{"id":38789,"date":"2022-12-24T23:22:49","date_gmt":"2023-09-09T05:58:03","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/"},"modified":"2024-04-29T06:50:29","modified_gmt":"2024-04-28T22:50:29","slug":"%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/","title":{"rendered":"\u4f7f\u7528JS\u6846\u67b6Angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c"},"content":{"rendered":"<p>\u8fd9\u662f\u5c06\u524d\u4e00\u7bc7\u6587\u7ae0\u7684\u7eed\u7bc7\u6309\u7167\u5404\u4e2a\u6846\u67b6\u8fdb\u884c\u5206\u7c7b\uff0c\u4ee5\u4fbf\u66f4\u5bb9\u6613\u8ffd\u8e2a\u65f6\u4ee3\u6f6e\u6d41\u53d8\u5316\u7684\u4f5c\u54c1\u3002<\/p>\n<ul class=\"post-ul\">jQuery\u611b\u597d\u5bb6\u306e\u305f\u3081\u306eVue.js\u3001React\u3001Angular\u5165\u9580<\/ul>\n<p>\u6211\u5e0c\u671b\u8fd9\u6b21\u80fd\u591f\u89e3\u91ca\u66f4\u6df1\u5165\uff0c\u5305\u62ec\u4e86\u4e0a\u6b21\u65e0\u6cd5\u5b8c\u5168\u5f25\u8865\u7684\u7ec4\u4ef6\u5468\u56f4\u66f4\u6df1\u5165\u7684\u64cd\u4f5c\u3002\u540c\u65f6\uff0c\u5728\u4e4b\u524d\u6211\u4eec\u6ca1\u6709\u770b\u5230Angular\u5177\u4f53\u7684\u6a21\u5757\u548c\u7ec4\u4ef6\u7684\u5177\u4f53\u4f5c\u7528\uff0c\u4e3a\u4e86\u83b7\u5f97\u5b9e\u8df5\u80fd\u529b\uff0c\u6211\u5e0c\u671b\u80fd\u6df1\u5165\u7814\u7a76\u8fd9\u4e9b\u65b9\u9762\u3002<\/p>\n<p>\u5f53\u524d\u8fd9\u7bc7\u5185\u5bb9\u662f\u5e26\u6709\u52a8\u4f5c\u9a8c\u8bc1\u7684\u6587\u7ae0\uff0c\u57fa\u4e8e Angular12 \u7684\u4fe1\u606f\uff0c\u529b\u6c42\u4f7f\u5176\u5177\u6709\u4e00\u5b9a\u7684\u901a\u7528\u6027\u3002\u4ece Angular13 \u5f00\u59cb\uff0c\u5c06\u63a8\u51fa\u6e32\u67d3\u5f15\u64ce\u7684\u52a0\u901f\u5316\uff08\u91c7\u7528 Ivy\uff09\uff0c\u4ee5\u53ca\u54cd\u5e94\u5f0f\u8868\u5355\u7684\u8bd5\u9a8c\u5b9e\u65bd\uff1b\u4ece Angular14 \u5f00\u59cb\uff0c\u9664\u4e86\u6b63\u5f0f\u5b9e\u65bd\u54cd\u5e94\u5f0f\u8868\u5355\uff0c\u8fd8\u5c06\u589e\u52a0\u4e00\u9879\u5212\u65f6\u4ee3\u7684\u529f\u80fd\u2014\u2014\u72ec\u7acb\u7ec4\u4ef6\uff08\u4e0d\u518d\u9700\u8981\u4f20\u7edf\u7684\u6a21\u5757\uff09\u3002\u56e0\u6b64\uff0c\u7b2c8\u7ae0\u4e2d\u6211\u4eec\u5c06\u4e13\u95e8\u521b\u5efa\u4e0e\u6b64\u76f8\u5173\u7684\u6587\u7ae0\u3002<\/p>\n<p>\u203b\u8fd9\u6b21\u5b66\u4e60\u7684\u5185\u5bb9\u662f<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\uff15\u7ae0\u3000\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5236\u5fa1\uff08\u96fb\u5353\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\uff16\u7ae0\u3000\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5236\u5fa1\uff08\u8cb7\u3044\u7269\u304b\u3054\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\uff17\u7ae0\u3000\u30b9\u30bf\u30a4\u30eb\u5236\u5fa1\uff08\u5199\u771f\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\uff18\u7ae0\u3000\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30d5\u30a9\u30fc\u30e0(Todo\u30a2\u30d7\u30ea)\u3000\u203bAngular14\u4f7f\u7528<\/ul>\n<p>\u5c31\u662f\u8fd9\u6837\u3002<\/p>\n<h1>import\u69cb\u6587\u7684\u5171\u540c\u89c4\u5219<\/h1>\n<p>\u5728\u90a3\u4e4b\u524d\uff0c\u6211\u4eec\u5e94\u8be5\u5148\u4e86\u89e3JavaScript\u7684import\u8bed\u6cd5\u89c4\u5219\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">A:import Fuga from &#8216;.\/Hoge&#8217;<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">B:import {Fuga} from &#8216;.\/Hoge&#8217;<\/ul>\n<p>\u5982\u679c\u4e0d\u7406\u89e3\u8fd9\u4e24\u4e2a\u533a\u522b\uff0c\u4ee5\u540e\u53ef\u80fd\u4f1a\u51fa\u73b0\u8bb8\u591a\u9519\u8bef\u3002A\u8868\u793a\u5c06\u5916\u90e8\u6587\u4ef6Hoge\u4ee5\u540d\u79f0Fuga\u8fdb\u884c\u5b9a\u4e49\uff08\u901a\u5e38\u4e0e\u5bfc\u5165\u6587\u4ef6\u540d\u76f8\u540c\uff0c\u6ca1\u6709\u7279\u610f\u66f4\u6539\u7684\u5fc5\u8981\uff09\u3002\u800cB\u8868\u793a\u4f7f\u7528\u7531\u5916\u90e8\u6587\u4ef6Hoge\u4e2d\u5b9a\u4e49\u7684\u5bf9\u8c61Fuga\u3002\u6240\u4ee5\uff0c\u4ee5\u4e0b\u7684\u4f8b\u5b50\u4e2d<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"nx\">React<\/span><span class=\"p\">,{<\/span><span class=\"nx\">useState<\/span><span class=\"p\">,<\/span><span class=\"nx\">useEffect<\/span><span class=\"p\">,<\/span><span class=\"nx\">useContext<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">React<\/span><span class=\"dl\">'<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u662f\u4e00\u4e2a\u547d\u4ee4\uff0c\u4f7f\u7528\u540d\u79f0\u4e3aReact\u7684\u5916\u90e8\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528\u5bf9\u8c61useState\u3001useEffect\u548cuseContext\u3002<\/p>\n<h1>\u7ec3\u4e605\uff1a\u7ec4\u4ef6\u63a7\u5236\uff08\u8ba1\u7b97\u5668\uff09<\/h1>\n<p>\u4f7f\u7528\u5b50\u7ec4\u4ef6\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u8ba1\u7b97\u5668\u6765\u5236\u4f5c\u7236\u7ec4\u4ef6\u3002\u4e3a\u6b64\uff0c\u9700\u8981\u63a7\u5236\u6309\u4e0b\u548c\u6309\u4e0b\u65f6\u95f4\u7684\u63a8\u6309\u94ae\uff0c\u4f46\u662f\uff0c\u901a\u8fc7\u5c06\u63a8\u6309\u94ae\u7684\u90e8\u4ef6\u8f6c\u5316\u4e3a\u5b50\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u6784\u5efa\u7cfb\u7edf\u3002<\/p>\n<p>\u5728\u8fdb\u884c\u4e4b\u524d\uff0c\u4e3a\u4ec0\u4e48\u8981\u5c06\u7236\u5b50\u7ec4\u4ef6\u62c6\u5206\u548c\u5206\u5c42\u5462\uff1f\u7b54\u6848\u662f\u4e3a\u4e86\u907f\u514d\u5197\u4f59\u7684\u63cf\u8ff0\u3002<\/p>\n<h2>\u25c6\u4f7f\u7528Angular\u63a7\u5236\u7ec4\u4ef6<\/h2>\n<p>\u5982\u679c\u4f7f\u7528Angular\u8fdb\u884c\u7ec4\u4ef6\u63a7\u5236\uff0c\u7a0d\u5fae\u6709\u70b9\u590d\u6742\u3002<\/p>\n<p>\u5fc5\u987b\u5728\u7531app-root\u63a7\u5236\u7684Angular.component.ts\u6587\u4ef6\u4e2d\u94fe\u63a5\u7236\u7ec4\u4ef6\u3002\u7136\u540e\uff0c\u901a\u8fc7\u7236\u7ec4\u4ef6\u5c06\u503c\u4f20\u9012\u7ed9\u5b50\u7ec4\u4ef6\uff0c\u518d\u7531\u5b50\u7ec4\u4ef6\u4f20\u9012\u7ed9\u7236\u7ec4\u4ef6\u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u867d\u7136\u7406\u8bba\u4e0a\u53ef\u4ee5\u5728\u5b50\u7ec4\u4ef6\u4e2d\u5b9a\u4e49\u503c\uff0c\u4f46\u6700\u7ec8\u4ecd\u9700\u8981\u5728\u7236\u7ec4\u4ef6\u548c\u5b50\u7ec4\u4ef6\u4e4b\u95f4\u8fdb\u884c\u540c\u6b65\uff0c\u56e0\u6b64\u5efa\u8bae\u5728\u7236\u7ec4\u4ef6\u4e2d\u5b9a\u4e49\u503c\u3002<\/p>\n<h3>\u521b\u5efa\u5e94\u7528\u7a0b\u5e8f<\/h3>\n<p>\u5728Angular\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528&#8221;ng&#8221;\u547d\u4ee4\u6765\u521b\u5efa\u5e94\u7528\u7a0b\u5e8f\u3001\u6a21\u5757\u548c\u7ec4\u4ef6\u3002\u56e0\u6b64\uff0c\u5982\u679c\u60f3\u8981\u521b\u5efa\u4e00\u4e2aAngular\u5e94\u7528\u7a0b\u5e8f\uff0c\u53ea\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5373\u53ef\u3002<\/p>\n<pre class=\"post-pre\"><code>html # ng new \u4efb\u610f\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u540d\r\n<\/code><\/pre>\n<p>\u7531\u4e8eAngular\u5e94\u7528\u7a0b\u5e8f\u7684\u4f53\u91cf\u8f83\u5927\uff0c\u56e0\u6b64\u6700\u597d\u4e0d\u8981\u50cfVue\u548cReact\u90a3\u6837\u521b\u5efa\u591a\u4e2a\u9879\u76ee\u3002\u5982\u679c\u60f3\u8981\u521b\u5efa\u4e00\u4e2a\u7528\u4e8e\u5b66\u4e60\u7684\u6d4b\u8bd5\u73af\u5883\uff0c\u53ef\u4ee5\u9488\u5bf9\u5355\u4e2a\u5e94\u7528\u7a0b\u5e8f\uff0c\u968f\u65f6\u66f4\u6539\u540e\u9762\u63d0\u5230\u7684\u7236\u7ec4\u4ef6\u548c\u6a21\u5757\u3002<\/p>\n<h3>\u25c6\u8c03\u7528\u6a21\u5757 m\u00f3<\/h3>\n<p>Angular-cli \u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u8c03\u7528\u7ec4\u4ef6\u3002\u4ece\u811a\u672c\u4e2d\u8c03\u7528\u6a21\u5757\uff0c\u7136\u540e\u4ece\u6a21\u5757\u4e2d\u8c03\u7528\u7ec4\u4ef6\u3002\u5982\u679c\u4f60\u60f3\u521b\u5efa\u548c\u63a7\u5236\u4efb\u610f\u6a21\u5757, \u5982\u8def\u7531\u63a7\u5236\u7b49\uff0c\u4f60\u53ef\u4ee5\u8c03\u6574\u8fd9\u91cc\uff0c\u4f46\u57fa\u672c\u4e0a\u4fdd\u6301 app \u6a21\u5757\u4e0d\u53d8\u53ef\u80fd\u66f4\u597d\u3002<\/p>\n<p>\u4e3b\u8981.ts \u2192 \u5e94\u7528\u6a21\u5757.ts \u2192 \u5e94\u7528\u7ec4\u4ef6.ts<\/p>\n<p>\u5982\u679c\u60a8\u60f3\u8981\u5c06\u4efb\u4f55\u6a21\u5757\u6587\u4ef6\uff08app.module.ts\uff09\u4e0e\u4e4b\u5173\u8054\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u4fee\u6539main.ts\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AppModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/app\/app.module<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u3053\u3053\u3067\u4efb\u610f\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u30d5\u30a1\u30a4\u30eb\u3092\u547c\u3073\u51fa\u3059<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">environment<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/environments\/environment<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">environment<\/span><span class=\"p\">.<\/span><span class=\"nx\">production<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">enableProdMode<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nf\">platformBrowserDynamic<\/span><span class=\"p\">().<\/span><span class=\"nf\">bootstrapModule<\/span><span class=\"p\">(<\/span><span class=\"nx\">AppModule<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u3053\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u66f8\u304d\u63db\u3048\u308b<\/span>\r\n  <span class=\"p\">.<\/span><span class=\"k\">catch<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">));<\/span>\r\n<\/code><\/pre>\n<p>\u521b\u5efa\u4efb\u610f\u6a21\u5757\u7684ng\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code>app # ng g module hoge --flat --module=hoge\r\n<\/code><\/pre>\n<h3>\u5728\u4e2d\u6587\u4e2d\uff0c\u5c06\u7ec4\u4ef6\u4e0e\u6a21\u5757\u7ed1\u5b9a\u8d77\u6765\u3002<\/h3>\n<p>\u8981\u5728Angular\u4e2d\u4f7f\u7528\u7ec4\u4ef6\uff0c\u9700\u8981\u5728\u6a21\u5757\u63a7\u5236\u6587\u4ef6\uff08app.module.ts\uff09\u4e2d\u5c06\u7ec4\u4ef6\u4e0e\u5176\u5173\u8054\u3002\u6b64\u5916\uff0c\u6a21\u677f\u662f\u4ece\u7ec4\u4ef6\u6587\u4ef6\u4e2d\u8c03\u7528\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">BrowserModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/platform-browser<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">NgModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">FormsModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/forms<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CalcComponent<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/calc.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30fc<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">SetkeyComponent<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/setkey.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30fc<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">FontAwesomeModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@fortawesome\/angular-fontawesome<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">NgbModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@ng-bootstrap\/ng-bootstrap<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">@<\/span><span class=\"nd\">NgModule<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">declarations<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n\t\t<span class=\"nx\">CalcComponent<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/\u4f7f\u7528\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5ba3\u8a00\u3057\u3066\u304a\u304f<\/span>\r\n\t\t<span class=\"nx\">SetkeyComponent<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/\u4f7f\u7528\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5ba3\u8a00\u3057\u3066\u304a\u304f<\/span>\r\n  <span class=\"p\">],<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"nx\">BrowserModule<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"nx\">NgbModule<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"nx\">FormsModule<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"nx\">FontAwesomeModule<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">],<\/span>\r\n  <span class=\"na\">providers<\/span><span class=\"p\">:<\/span> <span class=\"p\">[],<\/span>\r\n  <span class=\"na\">bootstrap<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span> <span class=\"nx\">CalcComponent<\/span><span class=\"p\">,<\/span> <span class=\"nx\">SetkeyComponent<\/span> <span class=\"p\">]<\/span> <span class=\"c1\">\/\/bootstrap\u3082\u8a2d\u5b9a\u3057\u3066\u304a\u304f<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">AppModule<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53e6\u5916\uff0c\u521b\u5efa\u4efb\u610f\u7ec4\u4ef6\u6587\u4ef6\u7684\u547d\u4ee4\u5982\u4e0b\uff08g\u662fgenerate\u7684\u7f29\u5199\u547d\u4ee4\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>app # ng g component hoge\r\n<\/code><\/pre>\n<p>\u8fd0\u884c\u8fd9\u4e2a\u547d\u4ee4\u540e\uff0c\u5c06\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6587\u4ef6\u5939\uff0c\u5e76\u5728\u5176\u4e2d\u8bbe\u7f6e\u4ee5\u4e0b4\u4e2a\u6587\u4ef6\u7684\u4e00\u7ec4\u3002<\/p>\n<pre class=\"post-pre\"><code>\u25a0Hoge\r\n - hoge.component.css \/\/CSS\u5236\u5fa1\u7528\r\n - hoge.component.html \/\/\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u7528\r\n - hoge.component.spec.ts\r\n - hoge.component.ts \/\/\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5236\u5fa1\u7528\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5e0c\u671b\u5728\u540c\u4e00\u76ee\u5f55\u4e0b\u521b\u5efa\uff0c\u8bf7\u6dfb\u52a0\u4ee5\u4e0b\u547d\u4ee4\u3002\u8fd9\u6837\uff0c\u5c06\u5728\u540c\u4e00\u76ee\u5f55\u4e0b\u751f\u62104\u4e2a\u6587\u4ef6\uff08\u5982\u679c\u5728\u5355\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b58\u5728\u591a\u4e2a\u6a21\u5757\uff0c\u5219\u9700\u8981\u6307\u5b9a\u6a21\u5757\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>app # ng g component hoge --flat --module=hoge.module\r\n<\/code><\/pre>\n<h3>\u25c6\u7236\u7ec4\u4ef6\u548capp-root<\/h3>\n<p>\u4e0e\u7236\u7ec4\u4ef6\u6587\u4ef6\u5173\u8054\u7684\u6a21\u677f\u6587\u4ef6\u5982\u4e0b\u6240\u793a\u3002\u5982\u679c\u4ed4\u7ec6\u89c2\u5bdf\uff0c\u60a8\u4f1a\u53d1\u73b0\u5b83\u4eec\u4e0eVue\u7684Options API\u5177\u6709\u76f8\u4f3c\u7684\u7ed3\u6784\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u8bf7\u786e\u4fdd\u7236\u7ec4\u4ef6\u7684\u9009\u62e9\u5668\u4ecd\u7136\u662fapp-root\uff08app-root\u6a21\u677f\u4e0esrc\u76ee\u5f55\u4e0b\u7684index.html\u76f8\u5173\u8054\uff0c\u8fd9\u91cc\u88ab\u8c03\u7528\u4e3a\u7236\u7ec4\u4ef6\uff09\u3002\u5982\u679c\u6ca1\u6709\u8fdb\u884c\u6b63\u786e\u7684\u5173\u8054\uff0c\u5c06\u4f1a\u663e\u793a\u627e\u4e0d\u5230app-root\u6a21\u677f\u7684\u8b66\u544a\u63d0\u793a\u3002<\/p>\n<p>\u6e90\u81eaStack Overflow<\/p>\n<ul class=\"post-ul\">Angular2 &#8211; Error: The selector &#8220;app-root&#8221; did not match any elements<\/ul>\n<p>\u8c03\u7528\u6a21\u677f\u5c06\u5305\u62ec\u4ee5\u4e0b\u90e8\u5206\u3002<\/p>\n<pre class=\"post-pre\"><code>@component({\r\n  selector: 'app-root', \/\/\u89aa\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u5834\u5408\u306fapp-root\u3068\u3057\u3066\u304a\u304f\r\n  templateUrl: '.\/calc.component.html', \/\/\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u547c\u3073\u51fa\u3057\r\n  styleUrls: ['.\/calc.component.css'] \/\/\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u9069\u7528\u3059\u308bcss\r\n})\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Data<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/class\/calc<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ \u8ffd\u52a0<\/span>\r\n<span class=\"kd\">let<\/span> <span class=\"nx\">data<\/span><span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"na\">lnum<\/span><span class=\"p\">:<\/span> <span class=\"kc\">null<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"na\">cnum<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span> <span class=\"p\">,<\/span>\r\n\t\t<span class=\"na\">sum<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span> <span class=\"p\">,<\/span>\r\n\t\t<span class=\"na\">str<\/span><span class=\"p\">:<\/span> <span class=\"dl\">''<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"na\">sign<\/span><span class=\"p\">:<\/span> <span class=\"dl\">''<\/span><span class=\"p\">,<\/span>\t\t\t\r\n<span class=\"p\">}<\/span>\r\n<span class=\"kd\">let<\/span> <span class=\"nx\">vals<\/span><span class=\"o\">=<\/span><span class=\"p\">[<\/span>\r\n\t\t<span class=\"p\">[[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">7<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">7<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">8<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">8<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">9<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">9<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">div<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\u00f7<\/span><span class=\"dl\">'<\/span><span class=\"p\">]],<\/span>\r\n\t\t<span class=\"p\">[[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">4<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">4<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">5<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">5<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">6<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">6<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">mul<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\u00d7<\/span><span class=\"dl\">'<\/span><span class=\"p\">]],<\/span>\r\n\t\t<span class=\"p\">[[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">1<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">1<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">2<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">2<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">3<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">3<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">sub<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">-<\/span><span class=\"dl\">'<\/span><span class=\"p\">]],<\/span>\r\n\t\t<span class=\"p\">[[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">0<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">0<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">eq<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">=<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">c<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">C<\/span><span class=\"dl\">'<\/span><span class=\"p\">],[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">add<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"dl\">'<\/span><span class=\"s1\">+<\/span><span class=\"dl\">'<\/span><span class=\"p\">]]<\/span>\r\n<span class=\"p\">]<\/span>\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-root<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/index\u306b\u7d10\u3065\u3044\u305froot\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/calc.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/app-root\u306b\u8868\u793a\u3055\u305b\u305f\u3044\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/calc.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span> \r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">CalcComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span><span class=\"p\">{<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">data<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">vals<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">vals<\/span>\r\n\t\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">()<\/span> <span class=\"p\">{}<\/span>\r\n  <span class=\"nf\">ngOnInit<\/span><span class=\"p\">()<\/span> <span class=\"p\">{}<\/span>\r\n    <span class=\"c1\">\/\/\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u5024\u306e\u53d7\u3051\u53d6\u308a<\/span>\r\n\t<span class=\"nf\">onReceive<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">data<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u25c6\u6a21\u677f\u6587\u4ef6<\/h3>\n<p>\u5bf9\u4e8e\u4e0e\u7236\u7ec4\u4ef6\u6587\u4ef6\u76f8\u5173\u8054\u7684\u6a21\u677f\u6587\u4ef6\uff0c\u5176\u60c5\u51b5\u5982\u4e0b\uff1a\u901a\u8fc7*ngFor\u6307\u4ee4\u5faa\u73af\u63a7\u5236\u5b50\u7ec4\u4ef6app-setkey\u7684\u521b\u5efa\u5e76\u751f\u6210\u63a8\u9001\u952e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;div&gt;<\/span>\r\n\t<span class=\"nt\">&lt;div<\/span> <span class=\"na\">*ngFor=<\/span><span class=\"s\">\"let val of vals\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\t\t<span class=\"nt\">&lt;app-setkey<\/span> <span class=\"na\">[dataFromParent]=<\/span><span class=\"s\">'data'<\/span> <span class=\"na\">[vByP]=<\/span><span class=\"s\">'v'<\/span> <span class=\"na\">(ev)=<\/span><span class=\"s\">\"onReceive($event)\"<\/span> <span class=\"na\">*ngFor=<\/span><span class=\"s\">\"let v of val\"<\/span><span class=\"nt\">&gt;&lt;\/app-setkey&gt;<\/span>\r\n\t<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n\t<span class=\"nt\">&lt;div&gt;<\/span>\r\n\t\t<span class=\"nt\">&lt;p&gt;<\/span>\u6253\u3061\u8fbc\u3093\u3060\u6587\u5b57:{{data.str}}<span class=\"nt\">&lt;\/p&gt;<\/span>\r\n\t\t<span class=\"nt\">&lt;p&gt;<\/span>\u5408\u8a08:{{data.sum}}<span class=\"nt\">&lt;\/p&gt;<\/span>\r\n\t<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<\/code><\/pre>\n<h4>\u25c6\u4f20\u9012\u503c\u4ece\u7236\u7ec4\u4ef6\u5230\u5b50\u7ec4\u4ef6<\/h4>\n<p>\u8bf7\u518d\u6b21\u5f3a\u8c03\u4e00\u4e0b\uff0cAngular\u4e2d\u4f7f\u7528\u5c5e\u6027\u7ed1\u5b9a[dataFromParent]=&#8217;data&#8217;\u3002\u901a\u8fc7\u8fd9\u4e2a\u8bed\u6cd5\uff0c\u53ef\u4ee5\u5c06\u53d8\u91cf\u4f20\u9012\u7ed9\u5b50\u7ec4\u4ef6\u3002<\/p>\n<h4>\u25c6\u63a5\u6536\u5b50\u7ec4\u4ef6\u4f20\u9012\u7ed9\u7236\u7ec4\u4ef6\u7684\u503c<\/h4>\n<p>\u53e6\u5916\uff0c\u5728Angular\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u4ef6\u7ed1\u5b9a(ev)=&#8221;onReceive($event)&#8221;\u6765\u63a5\u6536\u5b50\u7ec4\u4ef6\u4f20\u9012\u7ed9\u7236\u7ec4\u4ef6\u7684\u503c\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u7528\u4e8e\u63a5\u6536\u7684\u65b9\u6cd5<\/p>\n<pre class=\"post-pre\"><code>\t<span class=\"nf\">onReceive<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">data<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u987a\u5e26\u63d0\u4e00\u4e0b\uff0c\u5728\u7ec4\u4ef6\u6587\u4ef6\u4e2d\u6307\u5b9a\u7ec4\u4ef6\u540d\u662f\u4e0d\u5fc5\u8981\u7684\uff0c\u56e0\u4e3a\u8fd9\u5df2\u7ecf\u5728\u6a21\u5757\u4e2d\u5b9a\u4e49\u4e86\u3002<\/p>\n<h3>\u25c6\u7528\u4e8e\u5b9a\u4e49\u53d8\u91cfdata\u7684\u6587\u4ef6<\/h3>\n<p>\u56e0\u4e3a\u53d8\u91cfdata\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u6240\u4ee5\u5728TypeScript\u4e2d\uff0c\u5bf9\u4e8e\u6bcf\u4e2a\u6210\u5458\u90fd\u9700\u8981\u8be6\u7ec6\u6307\u5b9a\u7c7b\u578b\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5c06\u5148\u521b\u5efa\u4e00\u4e2a\u5b9a\u4e49\u6587\u4ef6\u3002<\/p>\n<p>\u7531\u4e8eTypeScript\u672c\u8eab\u53ef\u4ee5\u81ea\u52a8\u63a8\u65ad\u53d8\u91cf\u7684\u7c7b\u578b\uff0c\u6240\u4ee5\u73b0\u5728\u53ef\u4ee5\u7b80\u5355\u5730\u7f16\u5199\u5b9a\u4e49\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">type<\/span> <span class=\"nx\">Data<\/span>\r\n<span class=\"p\">{<\/span>\r\n\t<span class=\"nl\">lnum<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">;<\/span>\r\n\t<span class=\"nl\">cnum<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">;<\/span>\r\n\t<span class=\"nl\">sum<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">;<\/span>\r\n\t<span class=\"nl\">str<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">;<\/span>\r\n\t<span class=\"nl\">sign<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u25c6 \u63a7\u5236\u5b50\u7ec4\u4ef6<\/h3>\n<p>\u5b50\u7ec4\u4ef6\u6ca1\u6709\u4f7f\u7528\u5916\u90e8\u8c03\u7528\u6a21\u677f\u7684\u65b9\u5f0f\uff0c\u800c\u662f\u6545\u610f\u4f7f\u7528template\u5c5e\u6027\u6765\u7f16\u5199\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5e94\u8be5\u7528\u53cd\u5f15\u53f7\u5c06\u5176\u5305\u56f4\u8d77\u6765\uff0c\u4f8b\u5982`&lt;\u4efb\u610f\u7684html&gt;`\u3002<\/p>\n<p>\u53e6\u5916\uff0capp-setkey\u6a21\u677f\u4f1a\u6210\u4e3a\u521a\u624d\u7236\u7ec4\u4ef6\u4e2d\u6a21\u677f\u6240\u63cf\u8ff0\u7684\u7ec4\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span><span class=\"p\">,<\/span><span class=\"nx\">Input<\/span><span class=\"p\">,<\/span><span class=\"nx\">Output<\/span><span class=\"p\">,<\/span><span class=\"nx\">EventEmitter<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-setkey<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/\u89aa\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3067\u5b9a\u7fa9\u3057\u305f\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30bb\u30ec\u30af\u30bf<\/span>\r\n\t<span class=\"na\">template<\/span><span class=\"p\">:<\/span>\r\n\t\t<span class=\"s2\">`&lt;button type=\"button\" [value]=\"vByP[0]\" (click)=\"getChar(vByP[0],vByP[1])\"&gt;\r\n\t\t\t{{vByP[1]}}\r\n\t\t&lt;\/button&gt;`<\/span>\r\n<span class=\"p\">})<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">SetkeyComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span><span class=\"p\">{<\/span>\r\n\t<span class=\"p\">@<\/span><span class=\"nd\">Input<\/span><span class=\"p\">()<\/span> <span class=\"nx\">dataFromParent<\/span><span class=\"p\">;<\/span>\r\n\t<span class=\"p\">@<\/span><span class=\"nd\">Input<\/span><span class=\"p\">()<\/span> <span class=\"nx\">vByP<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">;<\/span>\r\n\t<span class=\"p\">@<\/span><span class=\"nd\">Output<\/span><span class=\"p\">()<\/span> <span class=\"nx\">ev<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">EventEmitter<\/span><span class=\"o\">&lt;<\/span><span class=\"kr\">any<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">();<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\r\n\t<span class=\"nf\">constructor<\/span><span class=\"p\">(){}<\/span>\r\n\t<span class=\"nf\">ngOnInit<\/span><span class=\"p\">(){}<\/span>\r\n\t\r\n\t<span class=\"nf\">getChar<\/span><span class=\"p\">(<\/span><span class=\"nx\">chr<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">,<\/span><span class=\"nx\">strtmp<\/span><span class=\"p\">:<\/span><span class=\"kr\">string<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">dataFromParent<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">lnum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">lnum<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">cnum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">cnum<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">sum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">sum<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">sign<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">sign<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">str<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">str<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">strtmp<\/span>\r\n\r\n\t\t<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">chr<\/span><span class=\"p\">.<\/span><span class=\"nf\">match<\/span><span class=\"p\">(<\/span><span class=\"sr\">\/<\/span><span class=\"se\">[<\/span><span class=\"sr\">0-9<\/span><span class=\"se\">]<\/span><span class=\"sr\">\/g<\/span><span class=\"p\">)<\/span><span class=\"o\">!==<\/span> <span class=\"kc\">null<\/span><span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">num<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">parseInt<\/span><span class=\"p\">(<\/span><span class=\"nx\">chr<\/span><span class=\"p\">)<\/span>\r\n\t\t\t<span class=\"nx\">cnum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cnum<\/span> <span class=\"o\">*<\/span> <span class=\"mi\">10<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">num<\/span> <span class=\"c1\">\/\/\u6570\u5024\u304c\u6253\u3061\u8fbc\u307e\u308c\u308b\u3054\u3068\u306b\u6841\u3092\u305a\u3089\u3057\u3066\u3044\u304f<\/span>\r\n\t\t<span class=\"p\">}<\/span><span class=\"k\">else<\/span> <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">chr<\/span><span class=\"p\">.<\/span><span class=\"nf\">match<\/span><span class=\"p\">(<\/span><span class=\"sr\">\/<\/span><span class=\"se\">(<\/span><span class=\"sr\">c|eq<\/span><span class=\"se\">)<\/span><span class=\"sr\">\/g<\/span><span class=\"p\">)<\/span> <span class=\"o\">==<\/span> <span class=\"kc\">null<\/span><span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">lnum<\/span> <span class=\"o\">!=<\/span> <span class=\"kc\">null<\/span><span class=\"p\">){<\/span>\r\n\t\t\t\t\t<span class=\"nx\">lnum<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">calc<\/span><span class=\"p\">(<\/span><span class=\"nx\">sign<\/span><span class=\"p\">,<\/span><span class=\"nx\">lnum<\/span><span class=\"p\">,<\/span><span class=\"nx\">cnum<\/span><span class=\"p\">)<\/span>\r\n\t\t\t<span class=\"p\">}<\/span><span class=\"k\">else<\/span><span class=\"p\">{<\/span>\r\n\t\t\t\t\t<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">chr<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">sub<\/span><span class=\"dl\">\"<\/span><span class=\"p\">){<\/span>\r\n\t\t\t\t\t\t\t<span class=\"nx\">lnum<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n\t\t\t\t\t<span class=\"p\">}<\/span>\r\n\t\t\t\t\t<span class=\"nx\">lnum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cnum<\/span>\r\n\t\t\t<span class=\"p\">}<\/span>\r\n\t\t\t<span class=\"nx\">sign<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">chr<\/span>\r\n\t\t\t<span class=\"nx\">cnum<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n\t\t<span class=\"p\">}<\/span><span class=\"k\">else<\/span> <span class=\"k\">if<\/span><span class=\"p\">(<\/span> <span class=\"nx\">chr<\/span> <span class=\"o\">==<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">eq<\/span><span class=\"dl\">\"<\/span><span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"nx\">lnum<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">calc<\/span><span class=\"p\">(<\/span><span class=\"nx\">sign<\/span><span class=\"p\">,<\/span><span class=\"nx\">lnum<\/span><span class=\"p\">,<\/span><span class=\"nx\">cnum<\/span><span class=\"p\">)<\/span>\r\n\t\t\t<span class=\"nx\">sum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">lnum<\/span>\r\n\t\t<span class=\"p\">}<\/span><span class=\"k\">else<\/span><span class=\"p\">{<\/span>\r\n\t\t\t<span class=\"nx\">lnum<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span>\r\n\t\t\t<span class=\"nx\">cnum<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n\t\t\t<span class=\"nx\">sum<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n\t\t\t<span class=\"nx\">str<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n\t\t<span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">lnum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">lnum<\/span>\r\n\t\t<span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">cnum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cnum<\/span>\r\n\t\t<span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">sum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sum<\/span>\r\n\t\t<span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">str<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">str<\/span>\r\n\t\t<span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">sign<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sign<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">ev<\/span><span class=\"p\">.<\/span><span class=\"nf\">emit<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u306e\u8ee2\u9001\u51e6\u7406<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t\r\n\t<span class=\"nf\">calc<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">,<\/span><span class=\"nx\">lnum<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">,<\/span><span class=\"nx\">cnum<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"k\">switch<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">){<\/span>\r\n\t\t\t\t<span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">add<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"nx\">lnum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cnum<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">lnum<\/span>\r\n\t\t\t\t<span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n\t\t\t\t<span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">sub<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"nx\">lnum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">lnum<\/span> <span class=\"o\">-<\/span> <span class=\"nx\">cnum<\/span>\r\n\t\t\t\t<span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n\t\t\t\t<span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">mul<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"nx\">lnum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">lnum<\/span> <span class=\"o\">*<\/span> <span class=\"nx\">cnum<\/span>\r\n\t\t\t\t<span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n\t\t\t\t<span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">div<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"nx\">lnum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">lnum<\/span> <span class=\"o\">\/<\/span> <span class=\"nx\">cnum<\/span>\r\n\t\t\t\t<span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n\t\t<span class=\"k\">return<\/span> <span class=\"nx\">lnum<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u25c6 \u5728\u4eb2\u5b50\u7ec4\u4ef6\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6d41<\/h2>\n<h3>\u25c6\u4e24\u79cd\u89e3\u7801\u5668\u548c\u4e8b\u4ef6\u53d1\u5c04\u5668<\/h3>\n<p>\u5728Angular\u4e2d\uff0c\u8981\u5b9e\u73b0\u4ece\u7236\u7ec4\u4ef6\u4f20\u503c\u7ed9\u5b50\u7ec4\u4ef6\u548c\u4ece\u5b50\u7ec4\u4ef6\u4f20\u503c\u7ed9\u7236\u7ec4\u4ef6\uff0c\u6211\u4eec\u9700\u8981\u5206\u522b\u4ece\u6a21\u5757\u4e2d\u8c03\u7528Input\u88c5\u9970\u5668\u548cOutput\u88c5\u9970\u5668\u8fd9\u4e24\u79cd\u88c5\u9970\u5668\u3002\u53e6\u5916\uff0c\u5728\u5b50\u7ec4\u4ef6\u4f20\u503c\u7ed9\u7236\u7ec4\u4ef6\u65f6\uff0c\u6211\u4eec\u9700\u8981\u4e8b\u5148\u5b9a\u4e49\u4e00\u4e2aEventEmitter\uff08\u4e8b\u4ef6\u53d1\u5c04\u5668\uff09\u3002<\/p>\n<h4>\u25c6\u4ece\u7236\u7ec4\u4ef6\u5411\u5b50\u7ec4\u4ef6\u4f20\u9012\u503c<\/h4>\n<p>\u8981\u5c06\u503c\u4ece\u7236\u7ec4\u4ef6\u4f20\u9012\u7ed9\u5b50\u7ec4\u4ef6\uff0c\u53ea\u9700\u4f7f\u7528Input\u88c5\u9970\u5668\u5e76\u8bbe\u7f6e\u5c5e\u6027\u7ed1\u5b9a\u3002\u6b64\u5916\uff0c\u8981\u5728\u65b9\u6cd5\u4e2d\u8c03\u7528\u503c\uff0c\u53ea\u9700\u4f7f\u7528this.xxxx\u5373\u53ef\u83b7\u53d6\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code>\t<span class=\"p\">@<\/span><span class=\"nd\">Input<\/span><span class=\"p\">()<\/span> <span class=\"nx\">dataFromParent<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/dataFromParent\u306f\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u8a18\u8f09\u3057\u305f\u30d7\u30ed\u30d1\u30c6\u30a3\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306e\u5024<\/span>\r\n\t<span class=\"p\">@<\/span><span class=\"nd\">Input<\/span><span class=\"p\">()<\/span> <span class=\"nx\">vByP<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/vByP\u306fngFor\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3067\u30eb\u30fc\u30d7\u3055\u305b\u305fvals\u5185\u306e\u5024<\/span>\r\n<\/code><\/pre>\n<h4>\u5c06\u503c\u4ece\u5b50\u7ec4\u4ef6\u4f20\u9012\u7ed9\u7236\u7ec4\u4ef6\u3002<\/h4>\n<p>\u8981\u5c06\u503c\u4ece\u5b50\u7ec4\u4ef6\u4f20\u9012\u7ed9\u7236\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528Output\u88c5\u9970\u5668\uff0c\u8bbe\u7f6e\u4e8b\u4ef6\u7ed1\u5b9a\u7684\u503c\uff0c\u7136\u540e\u4f7f\u7528EventEmitter\u4f20\u9012\u5177\u4f53\u503c\u3002<\/p>\n<h4>\u25c6\u8f93\u51fa\u89e3\u7801\u5668 q\u00ec)<\/h4>\n<p>\u8f93\u51fa\u89e3\u7801\u5668\u7528\u4e8e\u8bbe\u7f6e\u5b50\u7ec4\u4ef6\u5411\u7236\u7ec4\u4ef6\u4f20\u9012\u503c\u7684\u4e8b\u4ef6\uff0c\u5e76\u6309\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u63cf\u8ff0\u3002<\/p>\n<pre class=\"post-pre\"><code>\t<span class=\"p\">@<\/span><span class=\"nd\">Output<\/span><span class=\"p\">()<\/span> <span class=\"nx\">ev<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">EventEmitter<\/span><span class=\"o\">&lt;<\/span><span class=\"kr\">any<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">();<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\uff0cev \u662f\u5728\u7236\u7ec4\u4ef6\u6a21\u677f\u4e2d\u5b9a\u4e49\u7684\u4e8b\u4ef6\u7ed1\u5b9a\u7684\u503c\uff0c\u540e\u8ddf EventEmitter \u540e\u9762\u662f\u4f20\u9012\u7684\u503c\u7684\u7c7b\u578b\u3002\u7136\u800c\uff0c\u5728 TypeScript \u4e2d\u6ca1\u6709 Object \u7c7b\u578b\uff0c\u56e0\u6b64\u5728\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u4e86 Any \u6765\u9002\u5e94\u4efb\u4f55\u7c7b\u578b\uff08\u56e0\u4e3a dataFromParent \u53d8\u91cf\u662f\u5728\u7236\u7ec4\u4ef6\u4e2d\u5b9a\u4e49\u7684\uff0c\u6240\u4ee5\u8fd9\u6ca1\u6709\u95ee\u9898\uff09\u3002<\/p>\n<h4>\u25c6\u53d1\u5c04\u65b9\u6cd5<\/h4>\n<p>\u7531\u4e8eemit()\u65b9\u6cd5\u662fEventEmitter\u5185\u7684\u65b9\u6cd5\uff0c\u6240\u4ee5\u9700\u8981\u4eceOutput\u89e3\u7801\u5668\u7684\u539f\u578b\u4e2d\u8fdb\u884c\u8c03\u7528\uff0c\u5199\u6cd5\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">ev<\/span><span class=\"p\">.<\/span><span class=\"nf\">emit<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6570\u636e\u53d8\u91cf\u662f\u4e00\u4e2a\u7ecf\u8fc7\u63a7\u5236\u7684\u53d8\u91cf\uff0c\u5b83\u4e0e\u7236\u7ec4\u4ef6\u6a21\u677f\u4e2d\u7684\u4e8b\u4ef6\u7ed1\u5b9a\u76f8\u5bf9\u5e94\uff0c\u56e0\u6b64\u53ef\u4ee5\u5728onReceive\u65b9\u6cd5\u4e2d\u63a5\u6536\u5b83\u3002<\/p>\n<h4>\u25c6\u8981\u6ce8\u610f\u7684\u4e8b\u9879<\/h4>\n<p>\u53e6\u5916\uff0c\u5173\u4e8e\u8f93\u5165\u89e3\u7801\u5668\uff0c\u53ea\u80fd\u63a7\u5236\u8bbe\u5b9a\u4e3aapp-root\u7684app.component\u7684\u7236\u7ec4\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;app-calc&gt;&lt;\/app-calc&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5373\u4f7f\u60a8\u5192\u7136\u5c1d\u8bd5\u4eceindex.html\u8fdb\u884c\u63a7\u5236\uff0c\u4e5f\u5b8c\u5168\u4e0d\u8d77\u4f5c\u7528\uff08\u6211\u4eb2\u8eab\u82b1\u4e86\u4e00\u6574\u5929\u7684\u65f6\u95f4\u5728\u8fd9\u4e0a\u9762\uff09<\/p>\n<h2>\u7b2c\u4e94\u6b21\u6f14\u7fd2\u7684\u603b\u7ed3<\/h2>\n<p>\u5c06\u7ec4\u4ef6\u5206\u89e3\u7684\u76ee\u7684\u662f\u5c06\u5197\u4f59\u7684\u5143\u7d20\u8fdb\u884c\u6c47\u603b\u5e76\u8fdb\u884c\u6a21\u677f\u5316\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u63cf\u8ff0\u3002\u540c\u65f6\uff0c\u8fd9\u9700\u8981\u8fdb\u884c\u53d8\u91cf\u4f20\u9012\u5904\u7406\u3002<\/p>\n<p>\u7b80\u800c\u8a00\u4e4b\uff0c\u53ef\u4ee5\u603b\u7ed3\u4e3a\u8fd9\u6837\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4e8b\u524d\u306b\u4f7f\u7528\u3059\u308b\u5168\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u8ffd\u8a18\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30bb\u30ec\u30af\u30bf\u306b\u306fapp-root\u3092\u5b9a\u7fa9\u3057\u3066\u304a\u304f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5909\u6570\u5b9a\u7fa9\u306f\u3069\u3061\u3089\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5b9a\u7fa9\u3057\u3066\u3082\u52d5\u304f\u304c\u3001\u306a\u308b\u3079\u304f\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u8a18\u8ff0\u3059\u308b\u306e\u304c\u671b\u307e\u3057\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u89aa\u304b\u3089\u5b50\u3092\u547c\u3073\u51fa\u3059\u5834\u5408\u306f\u3001module\u30d5\u30a1\u30a4\u30eb\u306b\u5fc5\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5168\u90e8\u8a18\u8ff0\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u89aa\u304b\u3089\u5b50\u3078\u306e\u5024\u306e\u53d7\u3051\u6e21\u3057\u306f\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u30d7\u30ed\u30d1\u30c6\u30a3\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3092\u8a2d\u5b9a\u3057\u3001\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306bInput\u30c7\u30b3\u30fc\u30c0\u3092\u7528\u3044\u3001\u5024\u3092\u53d7\u3051\u53d6\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5b50\u304b\u3089\u89aa\u3078\u306e\u5024\u306e\u53d7\u3051\u6e21\u3057\u306f\u3001Output\u30c7\u30b3\u30fc\u30c0\u3092\u8a2d\u5b9a\u3057\u3001\u53d7\u3051\u6e21\u3057\u305f\u3044\u5909\u6570\u306bEventEmitter\u306eemit\u30e1\u30bd\u30c3\u30c9\u3092\u7528\u3044\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u8a2d\u5b9a\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3092\u7528\u3044\u3066\u3001\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u4efb\u610f\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u53d7\u3051\u53d6\u308b\u3002<\/ul>\n<h1>\u8d2d\u4e70\u7bee\u5b50\u7684\u8def\u7531\u7ec3\u4e606<\/h1>\n<p>\u6211\u5011\u904e\u53bb\u5df2\u7d93\u8aaa\u660e\u4e86\u7236\u5b50\u7d44\u4ef6\u4e4b\u9593\u7684\u63a7\u5236\uff0c\u4f46\u50c5\u50c5\u662f\u91dd\u5c0d\u55ae\u500b\u9801\u9762\u3002\u7136\u800c\uff0c\u5728\u73fe\u5be6\u4e16\u754c\u4e2d\uff0c\u7db2\u9801\u548c\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u81ea\u7531\u5730\u5207\u63db\u591a\u500b\u9801\u9762\u3002\u8ca0\u8cac\u63a7\u5236\u9019\u4e00\u5207\u7684\u6a5f\u5236\u5c31\u662f\u8def\u7531\u529f\u80fd\u3002<\/p>\n<p>\u5728\u6846\u67b6\u4e2d\uff0c\u8def\u7531\u662f\u6307\u6709\u4e00\u4e2a\u57fa\u672c\u7684\u94fe\u63a5\u6e90\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u8def\u5f84\u6765\u5207\u6362\u7ec4\u4ef6\u3002\u66f4\u4e13\u4e1a\u5730\u8bf4\uff0c\u5b83\u662f\u5c06URI\u5206\u53d1\u7ed9\u5404\u79cd\u7ec4\u4ef6\u6587\u4ef6\uff0c\u5e76\u663e\u793a\u4e0e\u8fd9\u4e9b\u6587\u4ef6\u76f8\u5173\u8054\u7684\u754c\u9762\u7684\u673a\u5236\uff0c\u8fd9\u4e5f\u88ab\u79f0\u4e3a\u5355\u9875\u9762\u5e94\u7528\u7a0b\u5f0f\uff08SPA\uff09\u3002<\/p>\n<p>Angular\u662f\u4e00\u4e2a\u62e5\u6709\u6807\u51c6\u5b9e\u73b0\u8def\u7531\u529f\u80fd\u7684\u6846\u67b6\uff0c\u9700\u8981\u5728\u6a21\u5757\u4e2d\u6dfb\u52a0\u5bfc\u5165\u8bed\u6cd5\u3002\u8be5\u6846\u67b6\u5177\u6709\u663e\u793a\u94fe\u63a5\u6807\u7b7e\u548c\u94fe\u63a5\u76ee\u6807\u7684\u6807\u7b7e\uff0c\u5e76\u5b58\u5728\u7528\u4e8e\u8def\u5f84\u63cf\u8ff0\u7684\u5c5e\u6027&#8221;to&#8221;\u3002\u6b64\u5916\uff0c\u8fd8\u63d0\u4f9b\u4e86\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u548c\u63a5\u6536\u7684\u5e93\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u4eec\u8fdb\u884c\u6570\u636e\u7684\u4f20\u9012\u548c\u63a5\u6536\u3002<\/p>\n<h2>\u25c6 \u4f7f\u7528Angular\u8fdb\u884c\u8def\u7531\u63a7\u5236\u3002<\/h2>\n<p>Angular\u7684\u8def\u7531\u914d\u7f6e\u5728\u6a21\u677f\u4e2d\u53ea\u9700\u5199\u5165\u94fe\u63a5\u8def\u5f84\uff0c\u5176\u4ed6\u90e8\u5206\u90fd\u9700\u8981\u5728\u6a21\u5757\u4e2d\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n<p>\u5728Angular\u7684\u60c5\u51b5\u4e0b\uff0c\u6587\u4ef6\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff08\u4ec5\u63d0\u53d6\u4e86\u6700\u57fa\u672c\u7684\u5fc5\u9700\u5904\u7406\u5185\u5bb9\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>\u25a0app\r\n   - \u25a0main-navigation\r\n       - main-navigation.component.ts \/\/\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08\u30ca\u30d3\u90e8\u5206\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30fc\uff09\r\n       - main-navigation.component.html \/\/\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\uff08\u3053\u3053\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u7528\u306e\u30ea\u30f3\u30af\u3092\u8a18\u8ff0\uff09\r\n   - \u25a0pages\r\n       - products.component.ts \/\/\u5546\u54c1\u4e00\u89a7\uff08\u3053\u3053\u306b\u5546\u54c1\u3092\u5165\u308c\u308b\u30dc\u30bf\u30f3\u304c\u3042\u308b\uff09      \r\n       - products.component.html \/\/\u5546\u54c1\u4e00\u89a7\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\r\n       - cart.component.ts \/\/\u8cb7\u3044\u7269\u304b\u3054\uff08\u3053\u3053\u306b\u5546\u54c1\u5dee\u3057\u623b\u3057\u3001\u8cfc\u5165\u306e\u30dc\u30bf\u30f3\u304c\u3042\u308b\uff09\r\n       - cart.component.html \/ \/\u8cb7\u3044\u7269\u304b\u3054\uff08\u3053\u3053\u306b\u5546\u54c1\u5dee\u3057\u623b\u3057\u3001\u8cfc\u5165\u306e\u30dc\u30bf\u30f3\u304c\u3042\u308b\uff09\r\n   - app.component.ts \/\/\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\r\n   - app.component.html \/\/\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\r\n   - app.service.ts \/\/\u5171\u901a\u306e\u51e6\u7406\u5236\u5fa1\u7528(\u30b5\u30fc\u30d3\u30b9)\r\n   - app.module.ts \/\/\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5236\u5fa1\u7528\r\n   - shop-context.ts \/\/\u5546\u54c1\u60c5\u5831\u306e\u683c\u7d0d\r\n<\/code><\/pre>\n<p>\u203b\u25a0\u662f\u4e00\u4e2a\u76ee\u5f55\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u6211\u4eec\u8981\u50cf\u4ee5\u524d\u4e00\u6837\u4f7f\u7528\u5546\u54c1\u9875\u9762\u4e0a\u7684\u4ea7\u54c1\u548c\u8d2d\u7269\u8f66\u9875\u9762\uff0c\u6309\u987a\u5e8f\u4f9d\u6b21\u67e5\u770b\u3002<\/p>\n<p>\u4e3a\u4e86\u63a7\u5236\u8def\u7531\uff0c\u91cd\u8981\u7684\u70b9\u662f<\/p>\n<pre class=\"post-pre\"><code>import {RouterModule,Routes} from '@angular\/router';\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u6765\u8c03\u7528\u8fd9\u4e2a\u8def\u7531\u5668\u6a21\u5757\u5427\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Routes\u5bf9\u8c61\u6765\u5b9a\u4e49\u8def\u7531\u3002<\/p>\n<p>Hoge:\u8def\u7531 = []<\/p>\n<p>\u8fd9\u6837\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u5bf9\u8c61\uff0c\u5e76\u5bf9\u6bcf\u4e2a\u91c7\u7528\u7684\u8def\u7531\u76ee\u6807\u8fdb\u884c\u4e86\u5b9a\u4e49\uff0c\u5176\u4e2dpath\u5c5e\u6027\uff08\u5982\u679c\u662f\u7236\u76ee\u5f55\u5219\u4e3a&#8221;\uff09\uff0c\u5e76\u4e14\u5b9a\u4e49\u4e86\u4f7f\u7528\u7684\u7ec4\u4ef6component\u5c5e\u6027\u3002<\/p>\n<pre class=\"post-pre\"><code>const Route: Routes = [\r\n\t{path: '',component: ProductsComponent},\r\n\t{path: '\/cart',component: CartComponent},\r\n]\r\n<\/code><\/pre>\n<p>\u5c06\u6b64\u8def\u7531\u8bbe\u7f6e\u8bbe\u7f6e\u4e3a\u6a21\u5757\u7684imports\u5c5e\u6027\u3002\u901a\u8fc7\u8fd9\u6837\u505a\uff0c\u53ef\u4ee5\u7acb\u5373\u5c06\u8def\u7531\u8bbe\u7f6e\u5e94\u7528\u4e8e\u8def\u7531\u5668\u3002<\/p>\n<p>RouterModule.forRoot(Route) \u53ef\u4ee5\u88ab\u6539\u5199\u4e3a\uff1a<br \/>\nRouterModule.forRoot(Route) \u7684\u539f\u751f\u4e2d\u6587\u7ffb\u8bd1\u4e3a\uff1a\u4f7f\u7528Route\u53c2\u6570\u521d\u59cb\u5316RouterModule\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u5728exports\u5c5e\u6027\u4e2d\u4e5f\u9700\u8981\u8bb0\u5f55RouterModule\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">BrowserModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/platform-browser<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">NgModule<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">RouterModule<\/span><span class=\"p\">,<\/span><span class=\"nx\">Routes<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306e\u30e2\u30b8\u30e5\u30fc\u30eb<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">AppComponent<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/app.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">MainNavigationComponent<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/main-navigation\/main-navigation.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u30ca\u30d3<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">ProductsComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/pages\/products.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u5546\u54c1\u30da\u30fc\u30b8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">CartComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/pages\/cart.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u8cb7\u3044\u7269\u304b\u3054\u30da\u30fc\u30b8<\/span>\r\n<span class=\"c1\">\/\/\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5b9a\u7fa9<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Route<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Routes<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">''<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ProductsComponent<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">pages\/cart<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">CartComponent<\/span><span class=\"p\">},<\/span>\r\n<span class=\"p\">]<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">NgModule<\/span><span class=\"p\">({<\/span>\r\n\t<span class=\"na\">declarations<\/span><span class=\"p\">:[<\/span>\r\n\t\t<span class=\"nx\">AppComponent<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"nx\">MainNavigationComponent<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"nx\">ProductsComponent<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"nx\">CartComponent<\/span><span class=\"p\">,<\/span>\r\n\t<span class=\"p\">],<\/span>\r\n\t<span class=\"na\">imports<\/span><span class=\"p\">:[<\/span>\r\n\t\t<span class=\"nx\">BrowserModule<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"nx\">RouterModule<\/span><span class=\"p\">.<\/span><span class=\"nf\">forRoot<\/span><span class=\"p\">(<\/span><span class=\"nx\">Route<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u3053\u306e\u5f15\u6570\u306b\u5148\u7a0b\u5b9a\u7fa9\u3057\u305f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u540d\u3092\u4ee3\u5165<\/span>\r\n\t<span class=\"p\">],<\/span>\r\n\t<span class=\"na\">exports<\/span><span class=\"p\">:[<\/span><span class=\"nx\">RouterModule<\/span><span class=\"p\">],<\/span> <span class=\"c1\">\/\/\u30eb\u30fc\u30bf\u30fc\u8a2d\u5b9a\u306b\u5fc5\u8981<\/span>\r\n\t<span class=\"na\">providers<\/span><span class=\"p\">:<\/span> <span class=\"p\">[],<\/span>\r\n\t<span class=\"na\">bootstrap<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">AppComponent<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">AppModule<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u25c6\u6a21\u677f\u63cf\u8ff0<\/h3>\n<p>\u6a21\u677f\u7684\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff0c\u4e0eVue\u7684\u94fe\u63a5\u6807\u7b7e\u548c\u6d4f\u89c8\u5668\u6807\u7b7e\u975e\u5e38\u76f8\u4f3c\u3002\u901a\u8fc7\u5728a\u6807\u7b7e\u4e2d\u8bbe\u7f6erouterLink\u5c5e\u6027\u6765\u63a7\u5236\u94fe\u63a5\uff0c\u5e76\u901a\u8fc7router-outlet\u6807\u7b7e\u6765\u63a7\u5236\u8def\u7531\u7684\u76ee\u6807\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;div<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"main-navigation\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\t<span class=\"nt\">&lt;ul&gt;<\/span>\r\n\t\t<span class=\"nt\">&lt;li&gt;&lt;a<\/span> <span class=\"na\">routerLink=<\/span><span class=\"s\">\"\/\"<\/span><span class=\"nt\">&gt;<\/span>Products<span class=\"nt\">&lt;\/a&gt;&lt;\/li&gt;<\/span>\r\n\t\t<span class=\"nt\">&lt;li&gt;&lt;a<\/span> <span class=\"na\">routerLink=<\/span><span class=\"s\">\".\/cart\"<\/span><span class=\"nt\">&gt;<\/span>Cart({{storage.cart.length}})<span class=\"nt\">&lt;\/a&gt;&lt;\/li&gt;<\/span>\r\n\t<span class=\"nt\">&lt;\/ul&gt;<\/span>\r\n<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<span class=\"c\">&lt;!-- \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5148\u3067\u53cd\u6620\u3055\u308c\u308b\u9818\u57df --&gt;<\/span>\r\n<span class=\"nt\">&lt;router-outlet&gt;&lt;\/router-outlet&gt;<\/span>\r\n<\/code><\/pre>\n<h2>\u25c6\u4f7f\u7528RxJS\u5728SPA\u4e2d\u8fdb\u884c\u6570\u636e\u4ea4\u6d41<\/h2>\n<p>\u5982\u679c\u5728Angular\u4e2d\u7684\u7ec4\u4ef6\u4e4b\u95f4\u6ca1\u6709\u7236\u5b50\u5173\u7cfb\uff0c\u5e76\u4e14\u9700\u8981\u5728\u5b83\u4eec\u4e4b\u95f4\u4ea4\u6362\u6570\u636e\uff0c\u6700\u6709\u6548\u7684\u65b9\u5f0f\u662f\u4ece\u4e00\u4e2a\u540d\u4e3aAppService\u7684\u5171\u4eab\u5904\u7406\u670d\u52a1\u4e2d\u5bfc\u5165\u503c\u3002\u8fd9\u4e2a\u5171\u4eab\u5904\u7406\u670d\u52a1\u5728\u4e00\u4e2a\u540d\u4e3aapp.service.ts\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002<\/p>\n<p>\u7136\u540e\uff0c\u636e\u8bf4Angular\u56de\u907f\u7684\u51b3\u5b9a\u56e0\u7d20\u4e4b\u4e00\u5c31\u662fRxJS\u6210\u4e3a\u5fc5\u9700\u3002RxJS\u975e\u5e38\u590d\u6742\uff0c\u6df1\u5165\u5230\u8db3\u4ee5\u51fa\u7248\u4e00\u672c\u4e66\u7684\u7a0b\u5ea6\uff0c\u4f46\u7b80\u5355\u6765\u8bf4\uff0c\u5b83\u662fAngular\u4e2d\u7528\u4e8e\u5728\u7f51\u7edc\u4e2d\u81ea\u7531\u4ea4\u6362\u6570\u636e\u7684\u5e93\u3002\u4f7f\u7528\u5b83\u53ef\u4ee5\u4f7f\u8def\u7531\u7ec4\u4ef6\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u4e92\u66f4\u52a0\u987a\u7545\u3002<\/p>\n<p>\u203bRxJS\u662fReactive extensions for JavaScript\u7684\u7f29\u5199\u3002\u800c\u8fd9\u90e8\u5206RxJS\uff0c\u5728Angular\u4e2d\u662f\u6700\u9891\u7e41\u66f4\u65b0\u89c4\u8303\uff0c\u8bed\u6cd5\u4e5f\u53d8\u5f97\u66f4\u7b80\u6d01\uff08\u8bed\u6cd5\u7cd6\uff09\u5316\u3002\u7279\u522b\u662f\u5728Angular6\u4e4b\u540e\uff0c\u5199\u6cd5\u5927\u5927\u7b80\u5316\uff0c\u80fd\u591f\u8f7b\u677e\u521b\u5efa\u7f51\u7edc\u76d1\u89c6\u548c\u66f4\u65b0\u7684\u539f\u578b\uff0c\u6240\u4ee5\u6211\u8ba4\u4e3a\u4e0d\u4f1a\u50cf\u4ee5\u524d\u90a3\u6837\u88ab\u4eba\u8fdc\u79bb\u8fd9\u4e2a\u6846\u67b6\u4e86\u3002<\/p>\n<h3>\u25c6\u4f7f\u7528BehaviorSubject\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u70b9\u66f4\u65b0\u6570\u636e\u3002<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528BehaviorSubject\u6765\u4f20\u9012\u76f8\u5bf9\u7b80\u5355\u4e14\u5b9a\u671f\u66f4\u65b0\u7684\u6570\u636e\u3002\u4f7f\u7528BehaviorSubject\u7684\u6548\u7387\u975e\u5e38\u9ad8\uff0c\u7279\u522b\u662f\u5728\u6211\u4eec\u5e0c\u671b\u5728\u56fa\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u5185\u6267\u884c\u66f4\u65b0\u64cd\u4f5c\u65f6\u3002\u5177\u4f53\u6d41\u7a0b\u662f\u5148\u51c6\u5907\u4e00\u4e2a\u53d8\u91cfcnt\u6765\u5b58\u50a8\u5546\u54c1\u6570\u91cf\uff0c\u7136\u540e\u5c06\u8be5\u53d8\u91cf\u7684\u503c\u4f20\u9012\u7ed9BehaviorSubject\u3002<\/p>\n<p>\u516c\u5171\u8ba2\u9605 `sub` \u7684\u521d\u59cb\u6570\u636e\u4e3a `cnt`\u3002<\/p>\n<p>\u4e3a\u53d8\u91cfsub\uff08\u540d\u79f0\u4efb\u610f\uff09\u521b\u5efa\u4e00\u4e2a\u539f\u578b\u3002\u5728\u539f\u578bsub\u4e2d\uff0c\u5229\u7528\u5171\u540c\u8c03\u7528\u7684\u53d8\u91cf\u5185\u7684\u65b9\u6cd5next\u53d1\u9001\u8def\u7531\u4fe1\u606f\u3002<\/p>\n<p>\u8fd9\u4e2a.sub.next(cnt2)\u300acnt2\u662f\u66f4\u65b0\u540e\u7684\u6570\u636e\u300b\u3002<\/p>\n<p>\u901a\u8fc7\u5c06\u66f4\u65b0\u540e\u7684\u503c\u5206\u914d\u7ed9\u4e0e\u539f\u578b\u76f8\u5173\u8054\u7684next\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u81ea\u52a8\u8fdb\u884c\u540c\u6b65\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cnext\u662f\u6267\u884c\u540c\u6b65\u6570\u636e\u7684\u6700\u7ec8\u66f4\u65b0\u65b9\u6cd5\uff0c\u901a\u8fc7\u8fd9\u4e2a\u65b9\u6cd5\u5904\u7406\u7684\u6570\u636e\u53ef\u4ee5\u4f5c\u4e3a\u66f4\u65b0\u540e\u7684\u4fe1\u606f\u901a\u8fc7\u5404\u4e2a\u7ec4\u4ef6\u5c55\u5f00\u5230\u6a21\u677f\u4e0a\u3002<\/p>\n<p>\u203bInjectable\u65b9\u6cd5\u6307\u793a\u4e86\u8be5service.ts\u6587\u4ef6\u53ef\u4ee5\u5728\u4efb\u4f55\u5176\u4ed6\u7ec4\u4ef6\u6587\u4ef6\u4e2d\u4f7f\u7528\uff0c\u901a\u8fc7\u6307\u5b9aprovider: root\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u5728\u4efb\u4f55\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u901a\u8fc7\u7f16\u5199\u6b64\u4ee3\u7801\uff0c\u53ef\u4ee5\u65e0\u7f1d\u5730\u5728\u6a21\u5757\u4e2d\u7684\u4efb\u4f55\u6587\u4ef6\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u5e76\u8fdb\u884c\u540c\u6b65\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Injectable<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">BehaviorSubject<\/span><span class=\"p\">,<\/span><span class=\"nx\">Observable<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rxjs<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">Storage<\/span><span class=\"p\">,{<\/span><span class=\"nx\">Product<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/shop-context<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">STORAGE_KEY<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">storage_key<\/span><span class=\"dl\">\"<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">type<\/span> <span class=\"nx\">CntT<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n   <span class=\"dl\">\"<\/span><span class=\"s2\">cart<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">,<\/span>\r\n   <span class=\"dl\">\"<\/span><span class=\"s2\">article<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">cnt<\/span> <span class=\"o\">=<\/span> <span class=\"o\">&lt;<\/span><span class=\"nx\">CntT<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">{<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">cart<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">article<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span><span class=\"mi\">0<\/span><span class=\"p\">}<\/span> <span class=\"c1\">\/\/\u30ca\u30d3\u306b\u8868\u793a\u3059\u308b\u500b\u6570<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Injectable<\/span><span class=\"p\">({<\/span>\r\n\t<span class=\"na\">providedIn<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">root<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"p\">})<\/span>\r\n\r\n<span class=\"c1\">\/\/export class AppService implements OnInit{<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">AppService<\/span><span class=\"p\">{<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">state<\/span> <span class=\"o\">=<\/span><span class=\"p\">[]<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">storage<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n    <span class=\"k\">public<\/span> <span class=\"nx\">sub<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">BehaviorSubject<\/span><span class=\"o\">&lt;<\/span><span class=\"kr\">any<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"nx\">cnt<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u540c\u671f\u3092\u53d6\u308a\u305f\u3044\u30c7\u30fc\u30bf\u306e\u8a2d\u5b9a<\/span>\r\n\t<span class=\"nx\">su2b<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Observable<\/span><span class=\"o\">&lt;<\/span><span class=\"kr\">any<\/span><span class=\"o\">&gt;<\/span>\r\n\r\n\t<span class=\"nf\">constructor<\/span><span class=\"p\">(){<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">storage<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Storage<\/span><span class=\"p\">()<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Observable<\/span><span class=\"p\">((<\/span><span class=\"nx\">ob<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n\t\t\t<span class=\"nx\">ob<\/span><span class=\"p\">.<\/span><span class=\"nf\">next<\/span><span class=\"p\">(<\/span><span class=\"nx\">storage<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"p\">})<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t\r\n\t<span class=\"c1\">\/\/\u8cb7\u3044\u7269\u304b\u3054\u306e\u8abf\u6574<\/span>\r\n\t<span class=\"nf\">addProductToCart<\/span><span class=\"p\">(<\/span><span class=\"nx\">product<\/span><span class=\"p\">:<\/span><span class=\"nx\">Product<\/span><span class=\"p\">,<\/span><span class=\"nx\">state<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">cartIndex<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">stat<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">state<\/span>\r\n\t\t<span class=\"c1\">\/\/\u8cb7\u3044\u7269\u304b\u3054\u306e\u8abf\u6574<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">updatedCart<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">cart<\/span><span class=\"p\">;<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">updatedItemIndex<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedCart<\/span><span class=\"p\">.<\/span><span class=\"nf\">findIndex<\/span><span class=\"p\">(<\/span>\r\n\t\t\t<span class=\"nx\">item<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">product<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span>\r\n\t\t<span class=\"p\">);<\/span>\r\n\t\t<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">updatedItemIndex<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t\t\t<span class=\"nx\">updatedCart<\/span><span class=\"p\">.<\/span><span class=\"nf\">push<\/span><span class=\"p\">({<\/span> <span class=\"p\">...<\/span><span class=\"nx\">product<\/span><span class=\"p\">,<\/span> <span class=\"na\">quantity<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span><span class=\"na\">stock<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span> <span class=\"p\">});<\/span>\r\n\t\t\t<span class=\"nx\">cartIndex<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedCart<\/span><span class=\"p\">.<\/span><span class=\"nx\">length<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span> <span class=\"c1\">\/\/\u30ab\u30fc\u30c8\u306e\u6700\u5f8c\u5c3e<\/span>\r\n\t\t<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n\t\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">updatedItem<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"p\">...<\/span><span class=\"nx\">updatedCart<\/span><span class=\"p\">[<\/span><span class=\"nx\">updatedItemIndex<\/span><span class=\"p\">]<\/span> <span class=\"p\">}<\/span>\r\n\t\t\t<span class=\"nx\">updatedItem<\/span><span class=\"p\">.<\/span><span class=\"nx\">quantity<\/span><span class=\"o\">++<\/span><span class=\"p\">;<\/span>\r\n\t\t\t<span class=\"nx\">updatedCart<\/span><span class=\"p\">[<\/span><span class=\"nx\">updatedItemIndex<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedItem<\/span><span class=\"p\">;<\/span>\r\n\t\t\t<span class=\"nx\">cartIndex<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedItemIndex<\/span><span class=\"err\">\u3000<\/span><span class=\"c1\">\/\/\u52a0\u7b97\u5bfe\u8c61\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n\t\t<span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">cart<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedCart<\/span>\r\n\t\t<span class=\"c1\">\/\/\u5546\u54c1\u5728\u5eab\u306e\u8abf\u6574<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">updatedProducts<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">products<\/span> <span class=\"c1\">\/\/\u5546\u54c1\u60c5\u5831<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">productid<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedCart<\/span><span class=\"p\">[<\/span><span class=\"nx\">cartIndex<\/span><span class=\"p\">].<\/span><span class=\"nx\">id<\/span> <span class=\"c1\">\/\/\u5728\u5eab\u6e1b\u7b97\u5bfe\u8c61\u306e\u5546\u54c1<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">productIndex<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedProducts<\/span><span class=\"p\">.<\/span><span class=\"nf\">findIndex<\/span><span class=\"p\">(<\/span>\r\n\t\t\t<span class=\"nx\">p<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">productid<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">p<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span>\r\n\t\t<span class=\"p\">)<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">tmpProduct<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"p\">...<\/span><span class=\"nx\">updatedProducts<\/span><span class=\"p\">[<\/span><span class=\"nx\">productIndex<\/span><span class=\"p\">]<\/span> <span class=\"p\">}<\/span>\r\n\t\t<span class=\"nx\">tmpProduct<\/span><span class=\"p\">.<\/span><span class=\"nx\">stock<\/span><span class=\"o\">--<\/span> <span class=\"c1\">\/\/\u5728\u5eab\u306e\u6e1b\u7b97<\/span>\r\n\t\t<span class=\"nx\">updatedProducts<\/span><span class=\"p\">[<\/span><span class=\"nx\">productIndex<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">tmpProduct<\/span>\r\n\t\t<span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">products<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedProducts<\/span>\r\n\t\t<span class=\"c1\">\/\/\u5408\u8a08\u91d1\u984d\u306e\u8abf\u6574<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">total<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">total<\/span> \r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">sum<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">getSummary<\/span><span class=\"p\">(<\/span><span class=\"nx\">updatedCart<\/span><span class=\"p\">,<\/span><span class=\"nx\">total<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">total<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sum<\/span>\r\n\t\t<span class=\"nx\">state<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{...<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span><span class=\"nx\">stat<\/span><span class=\"p\">}<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">state<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">state<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"c1\">\/\/\u30ab\u30fc\u30c8\u304b\u3089\u5546\u54c1\u306e\u8fd4\u5374<\/span>\r\n\t<span class=\"nf\">removeProductFromCart<\/span><span class=\"p\">(<\/span><span class=\"nx\">productId<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">,<\/span><span class=\"nx\">state<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">stat<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">state<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">updatedCart<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[...<\/span><span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">cart<\/span><span class=\"p\">];<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">updatedItemIndex<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedCart<\/span><span class=\"p\">.<\/span><span class=\"nf\">findIndex<\/span><span class=\"p\">(<\/span><span class=\"nx\">item<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">productId<\/span><span class=\"p\">);<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">updatedItem<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"p\">...<\/span><span class=\"nx\">updatedCart<\/span><span class=\"p\">[<\/span><span class=\"nx\">updatedItemIndex<\/span><span class=\"p\">]<\/span> <span class=\"p\">}<\/span>\r\n\t\t<span class=\"nx\">updatedItem<\/span><span class=\"p\">.<\/span><span class=\"nx\">quantity<\/span><span class=\"o\">--<\/span>\r\n\t\t<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">updatedItem<\/span><span class=\"p\">.<\/span><span class=\"nx\">quantity<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t\t\t<span class=\"nx\">updatedCart<\/span><span class=\"p\">.<\/span><span class=\"nf\">splice<\/span><span class=\"p\">(<\/span><span class=\"nx\">updatedItemIndex<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n\t\t<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n\t\t\t<span class=\"nx\">updatedCart<\/span><span class=\"p\">[<\/span><span class=\"nx\">updatedItemIndex<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedItem<\/span><span class=\"p\">;<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n\t\t<span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">cart<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedCart<\/span>\r\n\t\t<span class=\"c1\">\/\/\u5546\u54c1\u5728\u5eab\u306e\u8abf\u6574<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">updatedProducts<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[...<\/span><span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">products<\/span><span class=\"p\">]<\/span> <span class=\"c1\">\/\/\u5546\u54c1\u60c5\u5831<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">productIndex<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedProducts<\/span><span class=\"p\">.<\/span><span class=\"nf\">findIndex<\/span><span class=\"p\">(<\/span>\r\n\t\t\t<span class=\"nx\">p<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">p<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">productId<\/span>\r\n\t\t<span class=\"p\">)<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">tmpProduct<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"p\">...<\/span><span class=\"nx\">updatedProducts<\/span><span class=\"p\">[<\/span><span class=\"nx\">productIndex<\/span><span class=\"p\">]<\/span> <span class=\"p\">}<\/span>\r\n\t\t<span class=\"nx\">tmpProduct<\/span><span class=\"p\">.<\/span><span class=\"nx\">stock<\/span><span class=\"o\">++<\/span> <span class=\"c1\">\/\/\u5728\u5eab\u306e\u52a0\u7b97<\/span>\r\n\t\t<span class=\"nx\">updatedProducts<\/span><span class=\"p\">[<\/span><span class=\"nx\">productIndex<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">tmpProduct<\/span>\r\n\t\t<span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">products<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedProducts<\/span>\r\n\t\t<span class=\"c1\">\/\/\u5408\u8a08\u91d1\u984d\u306e\u8abf\u6574<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">sum<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">getSummary<\/span><span class=\"p\">(<\/span><span class=\"nx\">updatedCart<\/span><span class=\"p\">,<\/span><span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">total<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">total<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sum<\/span>\r\n\t\t<span class=\"nx\">state<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{...<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span><span class=\"nx\">stat<\/span><span class=\"p\">}<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">state<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">state<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"c1\">\/\/\u8cfc\u5165\u624b\u7d9a\u304d<\/span>\r\n\t<span class=\"nf\">buyIt<\/span><span class=\"p\">(<\/span><span class=\"nx\">articles<\/span><span class=\"p\">,<\/span><span class=\"nx\">state<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">stat<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">state<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">updatedArticles<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[...<\/span><span class=\"nx\">articles<\/span><span class=\"p\">]<\/span> <span class=\"c1\">\/\/\u6240\u6301\u54c1<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">tmp_cart<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[...<\/span><span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">cart<\/span><span class=\"p\">]<\/span>\r\n\t\t\r\n\t\t<span class=\"k\">for<\/span><span class=\"p\">(<\/span> <span class=\"kd\">let<\/span> <span class=\"nx\">cart<\/span> <span class=\"k\">of<\/span> <span class=\"nx\">tmp_cart<\/span><span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">articlesIndex<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">articles<\/span><span class=\"p\">.<\/span><span class=\"nf\">findIndex<\/span><span class=\"p\">(<\/span>\r\n\t\t\t\t<span class=\"nx\">a<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">a<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">cart<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span>\r\n\t\t\t<span class=\"p\">)<\/span>\r\n\t\t\t<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">articlesIndex<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t\t\t\t<span class=\"nx\">updatedArticles<\/span><span class=\"p\">.<\/span><span class=\"nf\">push<\/span><span class=\"p\">(<\/span><span class=\"nx\">cart<\/span><span class=\"p\">);<\/span>\r\n\t\t\t<span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n\t\t\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">tmpArticles<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"p\">...<\/span><span class=\"nx\">articles<\/span><span class=\"p\">[<\/span><span class=\"nx\">articlesIndex<\/span><span class=\"p\">]<\/span> <span class=\"p\">}<\/span>\r\n\t\t\t\t<span class=\"nx\">tmpArticles<\/span><span class=\"p\">.<\/span><span class=\"nx\">quantity<\/span><span class=\"o\">++<\/span><span class=\"p\">;<\/span>\r\n\t\t\t\t<span class=\"nx\">updatedArticles<\/span><span class=\"p\">[<\/span><span class=\"nx\">articlesIndex<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">tmpArticles<\/span><span class=\"p\">;<\/span>\r\n\t\t\t<span class=\"p\">}<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n\t\t<span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">articles<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">updatedArticles<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">summary<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">getSummary<\/span><span class=\"p\">(<\/span><span class=\"nx\">tmp_cart<\/span><span class=\"p\">,<\/span><span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">total<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">rest<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">money<\/span> <span class=\"o\">-<\/span> <span class=\"nx\">summary<\/span>\r\n\t\t<span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">money<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">rest<\/span>\r\n\t\t<span class=\"nx\">tmp_cart<\/span><span class=\"p\">.<\/span><span class=\"nf\">splice<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"nx\">summary<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n\t\t<span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">cart<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">tmp_cart<\/span>\r\n\t\t<span class=\"nx\">stat<\/span><span class=\"p\">.<\/span><span class=\"nx\">total<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">summary<\/span>\r\n\t\t<span class=\"nx\">state<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{...<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span><span class=\"nx\">stat<\/span><span class=\"p\">}<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">state<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">state<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"nf\">getSummary<\/span><span class=\"p\">(<\/span><span class=\"nx\">cart<\/span><span class=\"p\">,<\/span><span class=\"nx\">total<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">sum<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cart<\/span><span class=\"p\">.<\/span><span class=\"nf\">reduce<\/span><span class=\"p\">((<\/span><span class=\"nx\">total<\/span><span class=\"p\">,{<\/span><span class=\"nx\">price<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span><span class=\"nx\">quantity<\/span><span class=\"p\">})<\/span><span class=\"o\">=&gt;<\/span> <span class=\"nx\">total<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">price<\/span> <span class=\"o\">*<\/span> <span class=\"nx\">quantity<\/span><span class=\"p\">,<\/span><span class=\"mi\">0<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"k\">return<\/span> <span class=\"nx\">sum<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n     <span class=\"nx\">cartItemNumber<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">ctx<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n     <span class=\"k\">return<\/span> <span class=\"nx\">ctx<\/span><span class=\"p\">.<\/span><span class=\"nx\">cart<\/span><span class=\"p\">.<\/span><span class=\"nf\">reduce<\/span><span class=\"p\">((<\/span><span class=\"nx\">count<\/span><span class=\"p\">,<\/span><span class=\"nx\">curItem<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"nx\">count<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">curItem<\/span><span class=\"p\">.<\/span><span class=\"nx\">quantity<\/span> <span class=\"c1\">\/\/\u8cb7\u3044\u7269\u304b\u3054\u306e\u500b\u6570<\/span>\r\n    <span class=\"p\">},<\/span><span class=\"mi\">0<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\t<span class=\"nf\">reducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">selected<\/span><span class=\"p\">,<\/span><span class=\"nx\">storage<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">value<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t\t<span class=\"k\">switch<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">add<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">addProductToCart<\/span><span class=\"p\">(<\/span><span class=\"nx\">selected<\/span><span class=\"p\">,<\/span><span class=\"nx\">storage<\/span><span class=\"p\">)<\/span>\r\n\t\t\t<span class=\"k\">break<\/span>\r\n\t\t\t<span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">remove<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">removeProductFromCart<\/span><span class=\"p\">(<\/span><span class=\"nx\">selected<\/span><span class=\"p\">,<\/span><span class=\"nx\">storage<\/span><span class=\"p\">)<\/span>\r\n\t\t\t<span class=\"k\">break<\/span>\r\n\t\t\t<span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">buy<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">buyIt<\/span><span class=\"p\">(<\/span><span class=\"nx\">selected<\/span><span class=\"p\">,<\/span><span class=\"nx\">storage<\/span><span class=\"p\">)<\/span>\r\n\t\t\t<span class=\"k\">break<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n        <span class=\"kd\">let<\/span> <span class=\"nx\">cnt_tmp<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cnt<\/span>\r\n        <span class=\"nx\">cnt_tmp<\/span><span class=\"p\">.<\/span><span class=\"nx\">cart<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">cartItemNumber<\/span><span class=\"p\">(<\/span><span class=\"nx\">storage<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub<\/span><span class=\"p\">.<\/span><span class=\"nf\">next<\/span><span class=\"p\">(<\/span><span class=\"nx\">cnt<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u51e6\u7406\u3092\u66f4\u65b0\u3059\u308b<\/span>\r\n\t\t<span class=\"nx\">localStorage<\/span><span class=\"p\">.<\/span><span class=\"nf\">setItem<\/span><span class=\"p\">(<\/span><span class=\"nx\">STORAGE_KEY<\/span><span class=\"p\">,<\/span><span class=\"nx\">JSON<\/span><span class=\"p\">.<\/span><span class=\"nf\">stringify<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">state<\/span><span class=\"p\">))<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u203b\u53ea\u9700\u5728Angular\u4e2d\u6dfb\u52a0\u8fd4\u56de\u6700\u540e\u4e00\u4e2a\u53d8\u91cf\u7684\u90e8\u5206\uff0c\u5c31\u53ef\u4ee5\u91cd\u7528\u5728Vue\u548cReact\u4e2d\u4f7f\u7528\u7684\u65b9\u6cd5\uff08\u5c3d\u7ba1\u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\u6211\u4eec\u6545\u610f\u907f\u514d\u4f7f\u7528\u89e3\u6784\u8d4b\u503c\uff0c\u4f46\u5728Angular\u4e2d\u4f7f\u7528\u89e3\u6784\u8d4b\u503c\u4e5f\u6ca1\u6709\u95ee\u9898\uff09\u3002<\/p>\n<h3>\u25c6 \u5b9e\u65f6\u66f4\u65b0\u6570\u636e\uff08\u53ef\u89c2\u5bdf\u7684\uff09<\/h3>\n<p>\u5728RxJS\u4e2d\uff0c\u8fd8\u6709\u4e00\u79cd\u88ab\u9891\u7e41\u4f7f\u7528\u7684\u4e1c\u897f\uff0c\u53eb\u505aObservable\u3002\u5546\u54c1\u4fe1\u606f\u662f\u5728\u8fd9\u91cc\u8fdb\u884c\u63a7\u5236\u7684\u3002\u4e4b\u524d\u63d0\u5230\u7684BehaviorSubject\u662f\u7528\u6765\u53cd\u6620\u6570\u636e\u66f4\u65b0\u7684\uff0c\u800c\u8fd9\u6b21\u7684Observable\u5219\u662f\u7528\u6765\u89c2\u5bdf\u548c\u76d1\u6d4b\u6570\u636e\u7684\u52a8\u6001\u53d8\u5316\uff0c\u5c31\u50cf\u5b83\u7684\u548c\u8bd1\u201c\u89c2\u5bdf\u201d\u3001\u201c\u76d1\u89c6\u201d\u6240\u8868\u8fbe\u7684\u610f\u601d\u4e00\u6837\u3002\u56e0\u6b64\uff0c\u901a\u8fc7\u5b9e\u65f6\u76d1\u63a7\u5df2\u8bbe\u7f6e\u7684\u6570\u636e\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u68c0\u6d4b\u5230\u5176\u53d8\u5316\u3002\u56e0\u6b64\uff0c\u5982\u679c\u60f3\u8981\u5728\u4e0d\u786e\u5b9a\u7684\u65f6\u95f4\u70b9\u8fdb\u884c\u6570\u636e\u66f4\u65b0\uff0c\u90a3\u4e48\u4e0d\u9700\u8981reducer\u65b9\u6cd5\u7684next\u8bbe\u7f6e\uff0cObservable\u4f1a\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<p>\u82e5\u8981\u76d1\u89c6\u6570\u636e\uff0c\u8bf7\u5728constructor()\u4e2d\u8bbe\u7f6eObservable\u3002 \u7b2c7\u7ae0\u4ecb\u7ecd\u4e86constructor\u7684\u7528\u6cd5\uff0c\u5b83\u5728Angular\u7684DOM\u751f\u6210\u4e4b\u524d\u8fd0\u884c\uff0c\u6240\u4ee5\u5fc5\u987b\u63d0\u524d\u8bbe\u7f6e\uff0c\u5426\u5219\u4f1a\u5bfc\u81f4\u65e0\u6cd5\u5904\u7406\u6570\u636e\u7684\u9519\u8bef\u53d1\u751f\u3002<\/p>\n<p>\u203b\u6a21\u677f\u5185\u5bb9\u76f8\u540c<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Observable<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rxjs<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/Observable\u4f7f\u7528\u3092\u660e\u8a18\u3059\u308b<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">AppService<\/span><span class=\"p\">{<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">state<\/span> <span class=\"o\">=&lt;<\/span><span class=\"kr\">any<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">[]<\/span>\r\n\t<span class=\"nx\">sub2<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Observable<\/span><span class=\"o\">&lt;<\/span><span class=\"kr\">any<\/span><span class=\"o\">&gt;<\/span> <span class=\"c1\">\/\/\u5404\u7a2e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3078\u306e\u5c55\u958b\u7528<\/span>\r\n\r\n\t<span class=\"nf\">constructor<\/span><span class=\"p\">(){<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">storage<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Storage<\/span><span class=\"p\">()<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Observable<\/span><span class=\"p\">((<\/span><span class=\"nx\">ob<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n\t\t\t<span class=\"nx\">ob<\/span><span class=\"p\">.<\/span><span class=\"nf\">next<\/span><span class=\"p\">(<\/span><span class=\"nx\">storage<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u540c\u671f\u3092\u53d6\u308a\u305f\u3044\u30c7\u30fc\u30bf\u3092\u9001\u4fe1<\/span>\r\n\t\t<span class=\"p\">})<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n    <span class=\"cm\">\/*\u7565*\/<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662fob\u662f\u7528\u4e8e\u76d1\u89c6\u7684\u5bf9\u8c61\uff0csub2\u662f\u7528\u4e8e\u63cf\u8ff0\u7684\u5bf9\u8c61\u3002\u56e0\u6b64\uff0c\u5982\u679c\u8981\u5728\u4e0a\u8ff0\u7684AppService.ts\u4e2d\u4f7f\u7528next\u65b9\u6cd5\u6765\u53cd\u6620\u6570\u636e\uff0c\u5e94\u8be5\u4f7f\u7528this.ob.next\uff08BehaviorSubject\u4ec5\u4f20\u8f93\u66f4\u65b0\u4fe1\u606f\uff09\u3002<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u8ba2\u9605\u7684\u610f\u601d\u5c31\u662f\u901a\u8fc7subscribe\u6765\u63a5\u6536\u3002<\/p>\n<h3>\u25c6\u7ec4\u4ef6\u90e8\u5206\u7684\u63cf\u8ff0<\/h3>\n<p>\u4ee5\u4e0b\u662f\u63a5\u6536\u8ba2\u9605\u6570\u636e\u7684\u7ec4\u4ef6\u65b9\u9762\u7684\u63a7\u5236\u3002\u60a8\u9700\u8981\u5728\u6784\u9020\u51fd\u6570\u4e2d\u5b9a\u4e49\u8981\u4f7f\u7528\u7684\u7ec4\u4ef6\uff0c\u5e76\u901a\u8fc7\u4ece\u5148\u524d\u7684\u65b9\u6cd5\u4e2d\u8c03\u7528\u53d8\u91cfstorage\u6765\u5728ngOnInit\u5185\u5171\u4eab\u6570\u636e\uff0c\u5728\u6a21\u5757\u4e2d\u4e0e\u8def\u7531\u76f8\u5173\u8054\u3002<\/p>\n<p>this.appService.sub.subscribe((v) =&gt; {<br \/>\nthis.storage = v;<br \/>\n})<\/p>\n<p>\u8fd9\u91cc\u662f\u5173\u952e\u90e8\u5206\uff0cappService\u662f\u4e4b\u524d\u7684\u516c\u5171\u6587\u4ef6\uff0csub\u662f\u7528\u4e8e\u540c\u6b65\u5904\u7406\u7684\u539f\u578b\u3002\u901a\u8fc7subscibe\u65b9\u6cd5\u5c55\u5f00\u7684\u53d8\u91cfv\uff0c\u4f5c\u4e3athis.storage\u8fd4\u56de\u5230\u6a21\u677f\u4e2d\u3002\u6b64\u5916\uff0cpostcall\u51fd\u6570\u662f\u4e0e\u5404\u79cd\u6a21\u677f\u76f8\u5173\u7684\u64cd\u4f5c\u8d2d\u7269\u8f66\u7684\u901a\u7528\u65b9\u6cd5\uff0c\u7528\u4e8e\u4e0ereducer\u65b9\u6cd5\u8fdb\u884c\u6865\u63a5\uff0c\u5305\u62ec\u6dfb\u52a0\u5230\u8d2d\u7269\u8f66\u3001\u4ece\u8d2d\u7269\u8f66\u4e2d\u79fb\u9664\u3001\u8fdb\u884c\u8d2d\u4e70\u7b49\u5404\u79cd\u5904\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AppService<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">..\/appservice<\/span><span class=\"dl\">\"<\/span> <span class=\"c1\">\/\/\u5171\u901a\u5236\u5fa1\u7528\u306e\u30e1\u30bd\u30c3\u30c9<\/span>\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/products.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/products.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">ProductsComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">storage<\/span><span class=\"p\">:<\/span> <span class=\"p\">[]<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"k\">private<\/span> <span class=\"nx\">appService<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AppService<\/span><span class=\"p\">)<\/span> <span class=\"p\">{}<\/span>\r\n  <span class=\"nf\">ngOnInit<\/span><span class=\"p\">(){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">appService<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub2<\/span><span class=\"p\">.<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">(<\/span><span class=\"nx\">v<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">storage<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">v<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u5909\u6570\u3092\u8fd4\u3059<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"c1\">\/\/app.service\u306b\u8a18\u8ff0\u3055\u308c\u305fappService.reducer\u3078\u306e\u6a4b\u6e21\u3057<\/span>\r\n\t<span class=\"nf\">postcall<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">sel<\/span><span class=\"p\">,<\/span><span class=\"nx\">storage<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">appService<\/span><span class=\"p\">.<\/span><span class=\"nf\">reducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">sel<\/span><span class=\"p\">,<\/span><span class=\"nx\">storage<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u51e6\u7406\u632f\u308a\u5206\u3051\u7528\u306e\u30e1\u30bd\u30c3\u30c9<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u25c6\u6a21\u677f\u7684\u5199\u4f5c<\/h3>\n<p>\u5728\u6a21\u677f\u4e2d\uff0c\u6211\u4eec\u4f1a\u7f16\u5199\u7528\u4e8e\u5171\u4eab\u5904\u7406\u7684\u4e8b\u4ef6\u7ed1\u5b9a\u540e\u7f6e\u8c03\u7528\u7684\u4ee3\u7801\u3002postcall\u65b9\u6cd5\u5728AppService\u7ec4\u4ef6\u4e0a\u88ab\u5b9a\u4e49\u4e3a\u5904\u7406\u5206\u652f\u7684reducer\u7684\u6865\u6881\u3002<\/p>\n<p>\u8bf7\u6ce8\u610f\uff0c* ng\u6a21\u5757\u9700\u8981\u5728\u6a21\u5757\u6587\u4ef6\u4e2d\u8fdb\u884c\u9884\u5b9a\u4e49\uff0c\u5426\u5219\u65e0\u6cd5\u542f\u52a8\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;section<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"products\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\t\t<span class=\"nt\">&lt;ul&gt;<\/span>\r\n\t\t\t<span class=\"nt\">&lt;li<\/span> <span class=\"na\">*ngFor=<\/span><span class=\"s\">\"let product of storage.products; index as i\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\t\t\t\t<span class=\"nt\">&lt;div<\/span> <span class=\"nt\">&gt;<\/span>\r\n\t\t\t\t\t<span class=\"nt\">&lt;strong&gt;<\/span>{{ product.title }}<span class=\"nt\">&lt;\/strong&gt;<\/span> - {{ product.price}}\u5186\r\n\t\t\t\t\t<span class=\"nt\">&lt;ng-template<\/span> <span class=\"na\">*ngIf=<\/span><span class=\"s\">\"product.stock &gt; 0; then rest\"<\/span><span class=\"nt\">&gt;&lt;\/ng-template&gt;<\/span>\r\n\t\t\t\t\t<span class=\"nt\">&lt;ng-template<\/span> <span class=\"na\">#rest<\/span><span class=\"nt\">&gt;<\/span>\u3010\u6b8b\u308a{{product.stock}}\u500b\u3011 <span class=\"nt\">&lt;\/ng-template&gt;<\/span>\r\n\t\t\t\t<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n\t\t\t\t<span class=\"nt\">&lt;div&gt;<\/span>\r\n\t\t\t\t<span class=\"nt\">&lt;button<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"postcall('add',product,storage)\"<\/span><span class=\"nt\">&gt;<\/span>\u304b\u3054\u306b\u5165\u308c\u308b<span class=\"nt\">&lt;\/button&gt;<\/span>\r\n\t\t\t\t<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n\t\t\t<span class=\"nt\">&lt;\/li&gt;<\/span>\r\n\t\t<span class=\"nt\">&lt;\/ul&gt;<\/span>\r\n<span class=\"nt\">&lt;\/section&gt;<\/span>\r\n<\/code><\/pre>\n<h3>\u25c6\u5229\u7528of\u548cpipe\u5bf9\u66f4\u65b0\u7684\u6570\u636e\u8fdb\u884c\u52a0\u5de5\u5904\u7406<\/h3>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u4e0d\u4ec5\u4ec5\u662f\u5c06\u66f4\u65b0\u6570\u636e\u76f4\u63a5\u4f20\u9012\u5230\u6a21\u677f\u4e2d\uff0c\u8fd8\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u52a0\u5de5\u5e76\u4f20\u9012\u5230\u6a21\u677f\u4e2d\u3002\u8fd9\u5c31\u662f\u6240\u8c13\u7684of\u548cpipe\u529f\u80fd\u3002\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u4f7f\u7528pipe\u529f\u80fd\uff0c\u5c06\u8d2d\u7269\u8f66\u7684\u603b\u4ef7\u5206\u6210\u542b\u7a0e\u8d39\u7528\u548c\u5185\u7a0e\u8d39\u7528\u4e24\u90e8\u5206\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"k\">of<\/span><span class=\"p\">,<\/span><span class=\"nx\">pipe<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rxjs<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/\u8ffd\u8a18<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">map<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rxjs\/operators<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/\u8ffd\u8a18<\/span>\r\n<span class=\"cm\">\/*\u4e2d\u7565*\/<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">CartComponent<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">storage<\/span><span class=\"p\">:<\/span><span class=\"nx\">Storage<\/span>\r\n  <span class=\"nx\">totaltax<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"k\">private<\/span> <span class=\"nx\">appService<\/span><span class=\"p\">:<\/span><span class=\"nx\">AppService<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">totaltax<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">totaltax<\/span> <span class=\"c1\">\/\/\u4e8b\u524d\u306b\u4ee3\u5165\u3059\u308b\u5909\u6570\u3092\u53d6\u5f97<\/span>\r\n\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">appService<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub2<\/span><span class=\"p\">.<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">(<\/span><span class=\"nx\">v<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">storage<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">v<\/span><span class=\"p\">)<\/span><span class=\"c1\">\/\/\u8cfc\u8aad\u3055\u308c\u305f\u30c7\u30fc\u30bf\uff08\u30b5\u30fc\u30d3\u30b9\u304b\u3089\u306e\u66f4\u65b0\u30c7\u30fc\u30bf\uff09<\/span>\r\n    <span class=\"c1\">\/\/of\u306f\u30eb\u30fc\u30d7\u5236\u5fa1\u306e\u30e1\u30bd\u30c3\u30c9<\/span>\r\n    <span class=\"k\">of<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">storage<\/span><span class=\"p\">.<\/span><span class=\"nx\">total<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">.<\/span><span class=\"nf\">pipe<\/span><span class=\"p\">(<\/span>\r\n      <span class=\"nf\">map<\/span><span class=\"p\">((<\/span><span class=\"nx\">x<\/span><span class=\"p\">:<\/span><span class=\"kr\">number<\/span><span class=\"p\">):<\/span> <span class=\"kr\">number<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nb\">Math<\/span><span class=\"p\">.<\/span><span class=\"nf\">floor<\/span><span class=\"p\">(<\/span><span class=\"nx\">x<\/span> <span class=\"o\">*<\/span> <span class=\"mf\">1.1<\/span><span class=\"p\">)<\/span> <span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u6d88\u8cbb\u7a0e\u3092\u304b\u3051\u308b<\/span>\r\n    <span class=\"p\">).<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">((<\/span><span class=\"nx\">x<\/span><span class=\"p\">:<\/span><span class=\"kr\">number<\/span><span class=\"p\">):<\/span><span class=\"kr\">number<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">totaltax<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">x<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u52a0\u5de5\u51e6\u7406\u3057\u305f\u5024\u3092\u8fd4\u3059<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u8fd9\u6837\u8868\u8fbe\uff1a\u4f7f\u7528&#8221;of&#8221;\uff0c\u4f60\u53ef\u4ee5\u63cf\u8ff0\u8981\u8fdb\u884c\u5faa\u73af\u5904\u7406\u7684\u5bf9\u8c61\uff0c\u6216\u8005\u4f7f\u7528&#8221;of(a,b,c)&#8221;\u8fd9\u6837\u6307\u5b9a\u591a\u4e2a\u53c2\u6570\u3002&#8221;pipe&#8221;\u662f\u7528\u4e8e\u5728\u5faa\u73af\u5904\u7406\u7684\u503c\u4e0a\u8fdb\u884c\u4e2d\u7ee7\u52a0\u5de5\u7684\u65b9\u6cd5\u3002\u5728&#8221;pipe&#8221;\u4e2d\uff0c\u6709\u5404\u79cd\u5904\u7406\u64cd\u4f5c\u7b26\u5b58\u50a8\u5728rxjs\/operators\u4e2d\uff0c\u6240\u4ee5\u8fd9\u6b21\u6211\u4eec\u4f7f\u7528map\u64cd\u4f5c\u7b26\u8fdb\u884c\u52a0\u5de5\u5904\u7406\uff0c\u5c06\u6d88\u8d39\u7a0e\u6dfb\u52a0\u5230\u6bcf\u4e2a\u603b\u548c\u503c\uff08this.storage.total\uff09\u4e0a\u3002\u901a\u8fc7&#8221;subscribe&#8221;\u65b9\u6cd5\u8fd4\u56de\u52a0\u5de5\u540e\u7684\u503c\uff0c\u5e76\u5c06\u5176\u8fd4\u56de\u5230\u6a21\u677f\u4e0a\u7684totaltax\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u53ea\u8981\u5229\u7528\u9019\u500b\u7ba1\u9053\uff0c\u5c31\u53ef\u4ee5\u5728\u672c\u5730\u63a7\u5236\u672c\u4f86\u4e0d\u61c9\u8a72\u5b58\u5728\u65bc\u901a\u7528\u6578\u64da\u4e2d\u7684\u8b8a\u91cf\uff0c\u4f8b\u5982total\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;section<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"cart\"<\/span> <span class=\"nt\">&gt;<\/span>\r\n\t<span class=\"nt\">&lt;p<\/span> <span class=\"na\">*ngIf=<\/span><span class=\"s\">\"storage.cart.length &lt;= 0\"<\/span><span class=\"nt\">&gt;<\/span>No Item in the Cart!<span class=\"nt\">&lt;\/p&gt;<\/span>\r\n\t<span class=\"nt\">&lt;ul&gt;<\/span>\r\n\t\t\t<span class=\"nt\">&lt;li<\/span> <span class=\"na\">*ngFor=<\/span><span class=\"s\">\"let cartitem of storage.cart ; index as i\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\t\t\t\t<span class=\"nt\">&lt;div&gt;<\/span>\r\n\t\t\t\t\t<span class=\"nt\">&lt;strong&gt;<\/span>{{ cartitem.title }}<span class=\"nt\">&lt;\/strong&gt;<\/span> - {{ cartitem.price }}\u5186\r\n\t\t\t\t\t({{ cartitem.quantity }})\r\n\t\t\t\t<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n\t\t\t\t<span class=\"nt\">&lt;div&gt;<\/span>\r\n\t\t\t\t\t<span class=\"nt\">&lt;button<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"postcall('remove',cartitem.id,storage)\"<\/span><span class=\"nt\">&gt;<\/span>\u8cb7\u3044\u7269\u304b\u3054\u304b\u3089\u623b\u3059\uff081\u500b\u305a\u3064\uff09<span class=\"nt\">&lt;\/button&gt;<\/span>\r\n\t\t\t\t<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n\t\t\t<span class=\"nt\">&lt;\/li&gt;<\/span>\r\n\t<span class=\"nt\">&lt;\/ul&gt;<\/span>\r\n\t<span class=\"nt\">&lt;h3&gt;<\/span>\u5408\u8a08: {{ totaltax }}\u5186(\u5185\u7a0e{{ storage.total }}\u5186)<span class=\"nt\">&lt;\/h3&gt;<\/span>\r\n\t<span class=\"nt\">&lt;h3&gt;<\/span>\u6240\u6301\u91d1: {{storage.money}}\u5186<span class=\"nt\">&lt;\/h3&gt;<\/span>\r\n\t<span class=\"nt\">&lt;button<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"postcall('buy',storage.articles,storage)\"<\/span> \r\n\t<span class=\"na\">*ngIf=<\/span><span class=\"s\">\"storage.cart.length &gt;0 &amp;&amp; storage.money - storage.total &gt;= 0\"<\/span><span class=\"nt\">&gt;<\/span>\u8cfc\u5165<span class=\"nt\">&lt;\/button&gt;<\/span>\r\n<span class=\"nt\">&lt;\/section&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u8fd8\u6709\u4e00\u4e2a\u540d\u4e3atap\u7684\u64cd\u4f5c\u7b26\uff0c\u5b83\u53ef\u4ee5\u53c2\u8003\u5904\u7406\u8fc7\u7a0b\u4e2d\u7684\u503c\uff0c\u4e0e\u503c\u65e0\u5173\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"k\">of<\/span><span class=\"p\">,<\/span><span class=\"nx\">pipe<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rxjs<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">map<\/span><span class=\"p\">,<\/span><span class=\"nx\">tap<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rxjs\/operators<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"cm\">\/*\u4e2d\u7565*\/<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"k\">private<\/span> <span class=\"nx\">appService<\/span><span class=\"p\">:<\/span><span class=\"nx\">AppService<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">{<\/span>\r\n    <span class=\"k\">of<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">storage<\/span><span class=\"p\">.<\/span><span class=\"nx\">total<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">.<\/span><span class=\"nf\">pipe<\/span><span class=\"p\">(<\/span>\r\n      <span class=\"nf\">map<\/span><span class=\"p\">((<\/span><span class=\"nx\">x<\/span><span class=\"p\">:<\/span><span class=\"kr\">number<\/span><span class=\"p\">):<\/span> <span class=\"kr\">number<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nb\">Math<\/span><span class=\"p\">.<\/span><span class=\"nf\">floor<\/span><span class=\"p\">(<\/span><span class=\"nx\">x<\/span> <span class=\"o\">*<\/span> <span class=\"mf\">1.1<\/span><span class=\"p\">)<\/span> <span class=\"p\">),<\/span> <span class=\"c1\">\/\/\u6d88\u8cbb\u7a0e\u3092\u304b\u3051\u308b<\/span>\r\n      <span class=\"nf\">tap<\/span><span class=\"p\">((<\/span><span class=\"nx\">x<\/span><span class=\"p\">:<\/span><span class=\"kr\">number<\/span><span class=\"p\">):<\/span> <span class=\"k\">void<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">x<\/span><span class=\"p\">))<\/span> <span class=\"c1\">\/\/\u7a0e\u8fbc\u4fa1\u683c\u3092\u53c2\u7167\u3059\u308b<\/span>\r\n    <span class=\"p\">).<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">((<\/span><span class=\"nx\">x<\/span><span class=\"p\">:<\/span><span class=\"kr\">number<\/span><span class=\"p\">):<\/span><span class=\"kr\">number<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">totaltax<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">x<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u52a0\u5de5\u51e6\u7406\u3057\u305f\u5024\u3092\u8fd4\u3059<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u867d\u7136\u6709\u8bb8\u591a\u5176\u4ed6\u53ef\u4ee5\u7528\u4e8eDataFrame\u7684\u64cd\u4f5c\u7b26\uff0c\u4f46\u57fa\u672c\u4e0a\u90fd\u662f\u4f7f\u7528map\u51fd\u6570\u3002<\/p>\n<p>\u53c2\u8003\u5f00\u53d1\u535a\u5ba2<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u3010Angular\u3011Observable\u306e\u4e2d\u9593\u51e6\u7406\u3092\u3064\u304f\u308d\u3046\uff01\u3010pipe,tap,map\u3011<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">RxJS6\u4fbf\u5229\u306a\u3088\u304f\u4f7f\u3046Operators\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081<\/ul>\n<h4>\u25c6\u203b\u83b7\u53d6\u6a21\u5757\u4e2d\u7684\u6570\u636e\u7684\u65b9\u6cd5<\/h4>\n<p>\u4e5f\u53ef\u4ee5\u901a\u8fc7\u6a21\u5757\u4f20\u9012\u6570\u636e\u3002\u4e4b\u524d\u7684\u53d8\u91cf\u6570\u636e\u662f\u4ece\u4efb\u610f\u670d\u52a1\u4f20\u8f93\u6765\u7684\uff0c\u4f46\u662f\u901a\u8fc7\u8def\u7531\u63a5\u6536\u6570\u636e\u9700\u8981\u4f7f\u7528ActivatedRoute\u5bf9\u8c61\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728\u6a21\u5757\u4e2d\u5199\u4e0b\u60f3\u8981\u4f20\u8f93\u7684\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">Route<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Routes<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">''<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ProductsComponent<\/span><span class=\"p\">,<\/span><span class=\"nx\">data<\/span><span class=\"p\">{<\/span><span class=\"na\">title<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">Angular\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/span><span class=\"dl\">\"<\/span><span class=\"p\">}},<\/span>\r\n<\/code><\/pre>\n<p>\u8acb\u547c\u53eb ActivatedRoute \u7269\u4ef6\u4e26\u5728\u5efa\u69cb\u5b50\u4e2d\u5b9a\u7fa9\u5b83\u3002\u7136\u800c\uff0c\u5982\u679c\u4f60\u8981\u5f9e\u6a21\u7d44\u7684 data \u5c6c\u6027\u4e2d\u53d6\u5f97\u8a72\u7269\u4ef6\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 snapshot \u65b9\u6cd5\u4f86\u8f15\u9b06\u5730\u53d6\u5f97\u8cc7\u6599\uff0c\u800c\u4e0d\u662f\u4f7f\u7528 subscribe \u65b9\u6cd5\uff08Angular7\u6216\u66f4\u65b0\u7248\u672c\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/ActivatedRoute\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AppService<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">..\/appservice<\/span><span class=\"dl\">\"<\/span>\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/products.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/products.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">ProductsComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">storage<\/span><span class=\"p\">:<\/span> <span class=\"p\">[]<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">title<\/span><span class=\"p\">:<\/span> <span class=\"dl\">''<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"k\">private<\/span> <span class=\"nx\">route<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">,<\/span><span class=\"k\">private<\/span> <span class=\"nx\">appService<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AppService<\/span><span class=\"p\">)<\/span> <span class=\"p\">{}<\/span> <span class=\"c1\">\/\/\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u5b9a\u7fa9\u3057\u3066\u304a\u304f<\/span>\r\n  <span class=\"nf\">ngOnInit<\/span><span class=\"p\">(){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">title<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">route<\/span><span class=\"p\">.<\/span><span class=\"nx\">snapshot<\/span><span class=\"p\">.<\/span><span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">title<\/span> <span class=\"c1\">\/\/\u30e2\u30b8\u30e5\u30fc\u30eb\u304b\u3089\u53d7\u3051\u6e21\u3055\u308c\u305f\u30c7\u30fc\u30bf(title)<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">appService<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub<\/span><span class=\"p\">.<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">(<\/span><span class=\"nx\">v<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">storage<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">v<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/app.service\u304b\u3089\u53d7\u3051\u6e21\u3055\u308c\u305f\u30c7\u30fc\u30bf(\u540c\u671f\u51e6\u7406\u7528\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7sub)<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\t<span class=\"nf\">postcall<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">sel<\/span><span class=\"p\">,<\/span><span class=\"nx\">storage<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">appService<\/span><span class=\"p\">.<\/span><span class=\"nf\">reducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">sel<\/span><span class=\"p\">,<\/span><span class=\"nx\">storage<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u5728\u6a21\u677f\u5185\u4f7f\u7528{{title}}\u8fdb\u884c\u66ff\u6362\uff0c\u6a21\u5757\u4e2d\u4f20\u9012\u7684\u503c\u5c06\u88ab\u8d4b\u4e88\u8be5\u4f4d\u7f6e\u3002<\/p>\n<h3>\u5c55\u793a\u8be6\u7ec6\u9875\u9762\uff08\u53d1\u9001\u548c\u63a5\u6536\u53c2\u6570\uff09\u3002<\/h3>\n<p>\u901a\u8fc7\u5b66\u4e60\u5982\u4f55\u63a5\u6536\u6765\u81ea\u8be5\u6a21\u5757\u7684\u53c2\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u63a5\u6536\u548c\u5904\u7406\u4efb\u610f\u7684\u53c2\u6570\u3002\u5bf9\u4e8eAngular\u4e2d\u7684\u60c5\u51b5\uff0c\u5982\u679c\u8981\u5c06\u53c2\u6570\u5d4c\u5165\u5230\u6a21\u677f\u4e2d\uff0c\u662f\u65e0\u6cd5\u76f4\u63a5\u53d1\u9001\u5230URL\u7684\uff0c\u56e0\u6b64\u4ecd\u7136\u9700\u8981\u901a\u8fc7\u4e8b\u4ef6\u63a7\u5236\u6765\u5d4c\u5165\u53c2\u6570\uff0c\u8fd9\u5c31\u9700\u8981\u4f7f\u7528Angular\u4e2d\u7684Router\u5bf9\u8c61\u7684navigate\u65b9\u6cd5\u3002<\/p>\n<h4>\u63a5\u6536\u4f20\u9012\u52a8\u6001\u53c2\u6570<\/h4>\n<p>\u56e0\u6b64\uff0c\u6839\u636e\u4e0a\u8ff0\u60c5\u51b5\uff0c\u7531\u4e8e\u5728to\u5c5e\u6027\u4e2d\u5d4c\u5165\u53d8\u91cf\u65e0\u6cd5\u6210\u529f\uff0c\u6211\u4eec\u5c06\u66f4\u6539\u4e3a\u5728\u70b9\u51fb\u4e8b\u4ef6\u4e2d\u53d1\u9001\u53c2\u6570\u7ed9getId\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;div<\/span> <span class=\"nt\">&gt;<\/span>\r\n    <span class=\"nt\">&lt;a<\/span> <span class=\"na\">routerLink=<\/span><span class=\"s\">\"\/\"<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"getId(product.id)\"<\/span><span class=\"nt\">&gt;&lt;strong&gt;<\/span>{{ product.title }}<span class=\"nt\">&lt;\/strong&gt;&lt;\/a&gt;<\/span>\r\n\t- {{ product.price}}\u5186\r\n\t<span class=\"nt\">&lt;ng-template<\/span> <span class=\"na\">*ngIf=<\/span><span class=\"s\">\"product.stock &gt; 0; then rest\"<\/span><span class=\"nt\">&gt;&lt;\/ng-template&gt;<\/span>\r\n\t<span class=\"nt\">&lt;ng-template<\/span> <span class=\"na\">#rest<\/span><span class=\"nt\">&gt;<\/span>\u3010\u6b8b\u308a{{product.stock}}\u500b\u3011 <span class=\"nt\">&lt;\/ng-template&gt;<\/span>\r\n<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u7ee7\u7eed\u8bf4\u7ec4\u4ef6\u90e8\u5206\u3002 navigate \u65b9\u6cd5\u7684\u4f7f\u7528\u5f88\u7b80\u5355\uff0c\u770b\u8d77\u6765\u53ef\u4ee5\u53d1\u9001\u5404\u79cd\u53c2\u6570\uff0c\u4f46\u5982\u679c\u60f3\u8981\u7b80\u5355\u5730\u5d4c\u5165\u53c2\u6570\uff0c\u53ea\u9700\u5c06\u94fe\u63a5\u8bbe\u7f6e\u4e3a\u4e0e\u6a21\u5757\u8bbe\u7f6e\u7684\u76ee\u6807\u8def\u5f84\u76f8\u540c\u5373\u53ef\u3002<\/p>\n<p>\u8def\u7531\u5bfc\u822a\u81f3[\u8981\u5d4c\u5165\u7684\u8def\u5f84]<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">,<\/span><span class=\"nx\">Router<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/Router\u3092\u8ffd\u8a18\u3059\u308b<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">ProductsComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span>\r\n\t\t<span class=\"k\">private<\/span> <span class=\"nx\">route<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"k\">private<\/span> <span class=\"nx\">router<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Router<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/\u3053\u308c\u3092\u8ffd\u8a18\u3059\u308b<\/span>\r\n\t\t<span class=\"k\">private<\/span> <span class=\"nx\">appService<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AppService<\/span>\r\n\t<span class=\"p\">)<\/span> <span class=\"p\">{}<\/span>\r\n    <span class=\"cm\">\/*\u7565*\/<\/span>\r\n\t<span class=\"nf\">getId<\/span><span class=\"p\">(<\/span><span class=\"nx\">id<\/span><span class=\"p\">:<\/span><span class=\"kr\">string<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"nx\">id<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">id<\/span><span class=\"p\">.<\/span><span class=\"nf\">replace<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">p<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span><span class=\"dl\">\"\"<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">router<\/span><span class=\"p\">.<\/span><span class=\"nf\">navigate<\/span><span class=\"p\">([<\/span><span class=\"s2\">`detail\/<\/span><span class=\"p\">${<\/span><span class=\"nx\">id<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">])<\/span> <span class=\"c1\">\/\/router\u304b\u3089navigate\u3092\u547c\u3073\u51fa\u3059<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n    <span class=\"cm\">\/*\u7565*\/<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u25c6\u4f20\u9012\u7ed9\u6a21\u5757\u7684\u53c2\u6570<\/h4>\n<p>\u8be5\u6a21\u5757\u4f20\u9012\u7684\u53c2\u6570\u88ab\u547d\u540d\u4e3a\uff1aid\uff0c\u5e76\u901a\u8fc7\u8be5\u503c\u8fdb\u884c\u83b7\u53d6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">DetailComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/pages\/detail.component<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/\u8ffd\u8a18<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Route<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Routes<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">''<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ProductsComponent<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">detail\/:id<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">DetailComponent<\/span><span class=\"p\">},<\/span> <span class=\"c1\">\/\/\u8ffd\u8a18<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">cart<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">CartComponent<\/span><span class=\"p\">,<\/span><span class=\"na\">pathMatch<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">full<\/span><span class=\"dl\">'<\/span><span class=\"p\">},<\/span>\r\n<span class=\"p\">]<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">NgModule<\/span><span class=\"p\">({<\/span>\r\n\t<span class=\"na\">declarations<\/span><span class=\"p\">:[<\/span>\r\n\t\t<span class=\"nx\">AppComponent<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"nx\">MainNavigationComponent<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"nx\">ProductsComponent<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"nx\">CartComponent<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"nx\">DetailComponent<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/\u8ffd\u8a18<\/span>\r\n\t<span class=\"p\">],<\/span>\r\n    <span class=\"cm\">\/*\u7565*\/<\/span>\r\n<span class=\"p\">})<\/span>\r\n<\/code><\/pre>\n<h4>\u25c6\u8bf7\u5728\u8be6\u7ec6\u9875\u9762\u9886\u53d6<\/h4>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4e4b\u524d\u63d0\u5230\u7684snapshot\u65b9\u6cd5\u6765\u5728\u8be6\u7ec6\u9875\u9762\u4e2d\u63a5\u6536\u3002\u8bf7\u6ce8\u610f\uff0c\u8fd9\u6b21\u63a5\u6536\u7684\u4e0d\u662f\u8def\u7531\u5668\uff0c\u800c\u662f\u8def\u7531\uff08\u4e0eVue\u7684useRoute\u548cuseRouter\u7684\u5173\u7cfb\u76f8\u540c\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/ActivatedRoute\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AppService<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">..\/appservice<\/span><span class=\"dl\">\"<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-detail<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/detail.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/detail.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">DetailComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">storage<\/span><span class=\"p\">:<\/span><span class=\"kr\">any<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">item<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"k\">private<\/span> <span class=\"nx\">route<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">,<\/span><span class=\"k\">private<\/span> <span class=\"nx\">appService<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AppService<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n  <span class=\"nf\">ngOnInit<\/span><span class=\"p\">(){<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">id<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">route<\/span><span class=\"p\">.<\/span><span class=\"nx\">snapshot<\/span><span class=\"p\">.<\/span><span class=\"nx\">params<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"c1\">\/\/\u5148\u7a0b\u8ee2\u9001\u3057\u305f\u30d1\u30e9\u30e1\u30fc\u30bf<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">selid<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">`p<\/span><span class=\"p\">${<\/span><span class=\"nx\">id<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span> <span class=\"c1\">\/\/\u691c\u7d22\u6761\u4ef6\u306b\u5f15\u3063\u304b\u304b\u308b\u3088\u3046\u306b\u5024\u3092\u5408\u308f\u305b\u308b<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">appService<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub2<\/span><span class=\"p\">.<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">(<\/span><span class=\"nx\">v<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">storage<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">v<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u30b5\u30fc\u30d3\u30b9\u304b\u3089\u53d7\u3051\u53d6\u3063\u305f\u30c7\u30fc\u30bf<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">item<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">storage<\/span><span class=\"p\">.<\/span><span class=\"nx\">products<\/span><span class=\"p\">.<\/span><span class=\"nf\">find<\/span><span class=\"p\">((<\/span><span class=\"nx\">item<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">selid<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u4e00\u81f4\u3059\u308b\u30a2\u30a4\u30c6\u30e0\u3092\u53d6\u5f97<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">item<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">item<\/span> <span class=\"c1\">\/\/\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u8fd4\u3059<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u5982\u679c\u9700\u8981\u4f20\u9012\u67e5\u8be2\u53c2\u6570\uff08\u5df2\u4fee\u6b63\uff09<\/h4>\n<p>\u90a3\u4e48\uff0c\u6211\u4eec\u5c1d\u8bd5\u5728Angular\u4e2d\u901a\u8fc7\u67e5\u8be2\u4f20\u9012\u6570\u636e\u3002\u7531\u4e8eAngular\u7684navigate\u65b9\u6cd5\u65e0\u6cd5\u4f7f\u7528\u201c\uff1f\u201d\u5b57\u7b26\uff0c\u4ee5\u4e0b\u63cf\u8ff0\u662f\u5fc5\u9700\u7684\u3002<\/p>\n<p>router.navigate([destination path route, {queryParams: {parameter name: parameter value}})]:<\/p>\n<p>\u8def\u7531\u5bfc\u822a\u81f3[\u76ee\u6807\u8def\u5f84\u8def\u7531\uff0c{\u67e5\u8be2\u53c2\u6570\uff1a{\u53c2\u6570\u540d\u79f0\uff1a\u53c2\u6570\u503c}}]\u3002<\/p>\n<pre class=\"post-pre\"><code>\t<span class=\"nf\">getId<\/span><span class=\"p\">(<\/span><span class=\"nx\">id<\/span><span class=\"p\">:<\/span><span class=\"kr\">string<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">router<\/span><span class=\"p\">.<\/span><span class=\"nf\">navigate<\/span><span class=\"p\">([<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">detail<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,{<\/span><span class=\"na\">queryParams<\/span><span class=\"p\">:{<\/span><span class=\"dl\">'<\/span><span class=\"s1\">id<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span><span class=\"nx\">id<\/span><span class=\"p\">}})<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6a21\u5757\u53ea\u9700\u8bb0\u5f55\u8def\u5f84\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">Route<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Routes<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">''<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ProductsComponent<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">detail<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">DetailComponent<\/span><span class=\"p\">},<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u4e2d\u6587\u4e2d\uff0c\u5bf9\u4e8e\u63a5\u6536\u7aef\u7ec4\u4ef6\uff0c\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u63cf\u8ff0\u3002\u901a\u8fc7\u4ee5\u4e0b\u63cf\u8ff0\uff0c\u60a8\u53ef\u4ee5\u4e00\u6b21\u6027\u83b7\u53d6\u4efb\u610f\u7684\u67e5\u8be2\u53c2\u6570\u3002<\/p>\n<p>\u8def\u7531\u5feb\u7167.queryParams.\u4efb\u610f\u7684\u53c2\u6570\u3002\uff08lu you kuai zhao . queryParams . ren yi de can shu\uff09<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"nf\">ngOnInit<\/span><span class=\"p\">(){<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">selid<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">route<\/span><span class=\"p\">.<\/span><span class=\"nx\">snapshot<\/span><span class=\"p\">.<\/span><span class=\"nx\">queryParams<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">appService<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub2<\/span><span class=\"p\">.<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">(<\/span><span class=\"nx\">v<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">storage<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">v<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">item<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">storage<\/span><span class=\"p\">.<\/span><span class=\"nx\">products<\/span><span class=\"p\">.<\/span><span class=\"nf\">find<\/span><span class=\"p\">((<\/span><span class=\"nx\">item<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">selid<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">item<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">item<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u5b9e\u73b0\u8fd4\u56de\u6309\u94ae<\/h4>\n<p>\u5982\u679c\u8981\u4ece\u8def\u7531\u76ee\u6807\u8fd4\u56de\u5230\u524d\u4e00\u9875\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528Location\u5bf9\u8c61\u7684back\u65b9\u6cd5\uff0c\u5e76\u8fdb\u884c\u4e8b\u4ef6\u7ed1\u5b9a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Location<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/common<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u8ffd\u8a18\u3059\u308b<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/ActivatedRoute\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AppService<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">..\/appservice<\/span><span class=\"dl\">\"<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-detail<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/detail.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/detail.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">DetailComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">storage<\/span><span class=\"p\">:<\/span><span class=\"kr\">any<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">item<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span>\r\n\t\t<span class=\"k\">private<\/span> <span class=\"nx\">route<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"k\">private<\/span> <span class=\"nx\">appService<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AppService<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"k\">private<\/span> <span class=\"nx\">location<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Location<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/\u8ffd\u8a18\u3059\u308b<\/span>\r\n\t<span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n    <span class=\"cm\">\/*\u7565*\/<\/span>\r\n\t<span class=\"nf\">btBackTo<\/span><span class=\"p\">(){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">location<\/span><span class=\"p\">.<\/span><span class=\"nf\">back<\/span><span class=\"p\">()<\/span> <span class=\"c1\">\/\/\u623b\u308b\u5236\u5fa1<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;ul&gt;<\/span>\r\n\t<span class=\"nt\">&lt;li&gt;<\/span>{{item.title}}<span class=\"nt\">&lt;\/li&gt;<\/span>\r\n<span class=\"nt\">&lt;\/ul&gt;<\/span>\r\n<span class=\"nt\">&lt;button<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"btBackTo()\"<\/span><span class=\"nt\">&gt;<\/span>\u623b\u308b<span class=\"nt\">&lt;\/button&gt;<\/span>\r\n<\/code><\/pre>\n<h2>\u7b2c\u516d\u6b21\u6f14\u4e60\u603b\u7ed3<\/h2>\n<h3>\u25a0\u8def\u7531\u603b\u7ed3<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ea\u30f3\u30af\u306f<\/ul>\n<\/li>\n<\/ul>\n<p><a>\u3067\u30ea\u30f3\u30af\u5143\u3092\u3001\u3067\u30ea\u30f3\u30af\u5148\u3092\u8868\u793a\u3059\u308b\u3002<br \/>\n\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u60c5\u5831\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u8a18\u8ff0\u3059\u308b\u3002<br \/>\n\u5144\u5f1f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3078\u306e\u30c7\u30fc\u30bf\u306e\u3084\u308a\u3068\u308a\u306f\u30b5\u30fc\u30d3\u30b9\u3067\u5236\u5fa1\u3057\u3001\u305d\u306e\u969b\u306bRxJS\u306eBehaviorSubject\uff08\u5b9a\u671f\u66f4\u65b0\uff09\u304bObservable\uff08\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u66f4\u65b0\uff09\u3092\u7528\u3044\u3066\u3001next\u3067\u30c7\u30fc\u30bf\u66f4\u65b0\u3092\u9001\u4fe1\u3059\u308b\u3002\u66f4\u65b0\u30c7\u30fc\u30bf\u306f\u524d\u8ff0\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089subscribe\u3067\u53d7\u3051\u53d6\u308b\u3002<br \/>\n\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u306b\u306fRouter\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306enavigate\u3092\u4f7f\u7528\u3057\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b\u306b\u306fActiveRoute\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306esnapshot\u304b\u3089\u53d7\u3051\u53d6\u308b\u3002<br \/>\n\u4e00\u3064\u524d\u306e\u753b\u9762\u306b\u623b\u308b\u5834\u5408\u306fangular\/core\u30e9\u30a4\u30d6\u30e9\u30ea\u306eLocation\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3001back\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3002\u30a4\u30d9\u30f3\u30c8\u306f\u30a4\u30d9\u30f3\u30c8\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3067\u4efb\u610f\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u7d10\u3065\u3051\u308b\u3002 <\/a><\/p>\n<h1>\u7b2c\u4e03\u6b21\u7ec3\u4e60\uff1a\u6837\u5f0f\u63a7\u5236\uff08\u56fe\u7247\u641c\u7d22\u7cfb\u7edf\uff09<\/h1>\n<p>JS\u6846\u67b6\u7684\u5438\u5f15\u529b\u5728\u4e8e\u53ef\u4ee5\u5b9e\u65f6\u63a7\u5236\u6837\u5f0f\u5c5e\u6027\u3002\u56e0\u6b64\uff0c\u6211\u5728Angular\u4e2d\u4f7f\u7528font-awesome\u56fe\u6807\uff0c\u4e3a\u901a\u8fc7\u5927\u5e45\u91cd\u5199\u7684\u7167\u7247\u641c\u7d22\u7cfb\u7edf\u4e2d\u7684\u559c\u6b22\u7684\u56fe\u7247\u6dfb\u52a0\u4e86&#8221;\u559c\u6b22\uff01&#8221;\u529f\u80fd\uff08\u5c06\u5fc3\u5f62\u56fe\u6807\u7740\u4e3a\u7ea2\u8272\uff09\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u82e5\u8981\u4f7f\u7528font-awesome\uff0c\u9700\u8981\u5148\u5728\u9879\u76ee\u4e2d\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<h2>\u25c6\u4f7f\u7528Angular\u6765\u63a7\u5236\u6837\u5f0f<\/h2>\n<p>\u73b0\u5728\u6211\u4eec\u5c1d\u8bd5\u901a\u8fc7Angular\u6765\u8fdb\u884c\u63a7\u5236\uff0c\u4f7f\u7528Angular\u8fdb\u884c\u7c7b\u63a7\u5236\u975e\u5e38\u7b80\u5355\u3002\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u5229\u7528\u5c5e\u6027\u7ed1\u5b9a\uff0c\u5c06\u5c5e\u6027\u503c\u8d4b\u7ed9style\u5c5e\u6027\uff0c\u4ece\u800c\u5c06\u5176\u5e94\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;ul<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"ulDatas\"<\/span> <span class=\"nt\">&gt;<\/span>\r\n\u3000\u3000<span class=\"nt\">&lt;li<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"liData\"<\/span> <span class=\"na\">*ngFor=<\/span><span class=\"s\">\"let item of hits\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\u3000\u3000\t<span class=\"nt\">&lt;label<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"lbHit\"<\/span><span class=\"nt\">&gt;<\/span>{{ item.name }}\r\n\t\t<span class=\"nt\">&lt;label<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"colorSet(item.id)\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\t\t\t<span class=\"nt\">&lt;fa-icon<\/span> <span class=\"na\">[icon]=<\/span><span class=\"s\">\"faHeart\"<\/span> <span class=\"na\">[style.color]=<\/span><span class=\"s\">\"item.act\"<\/span><span class=\"nt\">&gt;&lt;\/fa-icon&gt;<\/span>\r\n\t\t<span class=\"nt\">&lt;\/label&gt;<\/span>\r\n\t\t<span class=\"nt\">&lt;\/label&gt;<\/span>\r\n\u3000\u3000\u3000\u3000<span class=\"nt\">&lt;br<\/span> <span class=\"nt\">\/&gt;<\/span>\r\n\u3000\u3000\u3000\u3000<span class=\"nt\">&lt;img<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"imageStyle\"<\/span> <span class=\"na\">[src]=<\/span><span class=\"s\">\"'..\/assets\/img\/'+item.src\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\u3000\u3000<span class=\"nt\">&lt;\/li&gt;<\/span>\r\n<span class=\"nt\">&lt;\/ul&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u63a7\u5236click\u4e8b\u4ef6\u4e2dcolorSet\u7684\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">active<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span> <span class=\"c1\">\/\/\u30a2\u30a4\u30b3\u30f3\u5857\u308a\u3064\u3076\u3057\u5bfe\u8c61\u306e\u30ab\u30e9\u30fc<\/span>\r\n<span class=\"cm\">\/*\u4e2d\u7565*\/<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">WorldComponent<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"cm\">\/*\u4e2d\u7565*\/<\/span>\r\n    <span class=\"k\">public<\/span> <span class=\"nx\">active<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">red<\/span><span class=\"dl\">\"<\/span>\r\n    <span class=\"k\">public<\/span> <span class=\"nx\">selecteditem<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n    <span class=\"c1\">\/\/\u30b9\u30bf\u30a4\u30eb\u5236\u5fa1<\/span>\r\n \t<span class=\"nf\">colorSet<\/span><span class=\"p\">(<\/span><span class=\"nx\">id<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">cities<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[...<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">cities<\/span><span class=\"p\">]<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">active<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">active<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">selecteditem<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cities<\/span><span class=\"p\">.<\/span><span class=\"nf\">find<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">item<\/span><span class=\"p\">,<\/span><span class=\"nx\">idx<\/span><span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"k\">return<\/span> <span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">==<\/span> <span class=\"nx\">id<\/span>\r\n\t\t<span class=\"p\">})<\/span>\r\n\t\t<span class=\"nx\">cities<\/span><span class=\"p\">.<\/span><span class=\"nf\">filter<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">item<\/span><span class=\"p\">,<\/span><span class=\"nx\">idx<\/span><span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">==<\/span> <span class=\"nx\">id<\/span><span class=\"p\">){<\/span>\r\n\t\t\t\t<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">selecteditem<\/span><span class=\"p\">.<\/span><span class=\"nx\">act<\/span> <span class=\"o\">!==<\/span> <span class=\"nx\">active<\/span><span class=\"p\">){<\/span>\r\n\t\t\t\t\t<span class=\"nx\">selecteditem<\/span><span class=\"p\">.<\/span><span class=\"nx\">act<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">active<\/span>\r\n\t\t\t\t<span class=\"p\">}<\/span><span class=\"k\">else<\/span><span class=\"p\">{<\/span>\r\n\t\t\t\t\t<span class=\"nx\">selecteditem<\/span><span class=\"p\">.<\/span><span class=\"nx\">act<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span>\r\n\t\t\t\t<span class=\"p\">}<\/span>\r\n\t\t\t<span class=\"p\">}<\/span>\r\n\t\t<span class=\"p\">})<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">cities<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cities<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u7b2c4\u7ae0\u6240\u8ff0\uff0cAngular\u4e0d\u4f1a\u91cd\u65b0\u751f\u6210\u5bf9\u8c61\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u5e38\u89c4\u7684JS\u8d4b\u503c\u65b9\u6cd5\u6765\u5b9e\u73b0\u540c\u6b65\u5904\u7406\u3002\u7136\u800c\uff0c\u4e00\u65e6\u719f\u6089\u4e86\u539f\u7406\uff0c\u4f7f\u7528\u5206\u5272\u8d4b\u503c\u65b9\u5f0f\u4f1a\u66f4\u5bb9\u6613\u7f16\u5199\u4ee3\u7801\u3002<\/p>\n<h4>\u25c6\u5173\u4e8eAngular\u7684\u6784\u9020\u51fd\u6570\u548cngOnInit<\/h4>\n<p>\u62b1\u6b49\u8bf4\u660e\u6765\u665a\u4e86\uff0c\u4f46\u6211\u4f1a\u7b80\u8981\u89e3\u91ca\u6784\u9020\u51fd\u6570\u548cngOnInit\u3002<\/p>\n<p>\u6784\u9020\u51fd\u6570\u662fTypescript\u4e2d\u5b9e\u73b0\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u53ef\u5728Angular\u52a0\u8f7d\u4e4b\u524d\u6267\u884c\u5904\u7406\u64cd\u4f5c\uff0c\u8fd8\u53ef\u4ee5\u5728\u751f\u6210DOM\u4e4b\u524d\u6267\u884c\u9884\u5904\u7406\u64cd\u4f5c\u3002<\/p>\n<p>ngOnInit\u662f\u4e00\u79cd\u751f\u547d\u5468\u671f\u94a9\u5b50\uff0c\u7528\u4e8e\u5728DOM\u751f\u6210\u540e\u8fdb\u884c\u521d\u59cb\u5316\u5904\u7406\u7684\u65b9\u6cd5\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u53d6\u5f97\u7684states\u548ccities\u5b58\u50a8\u8d77\u6765\uff0c\u901a\u8fc7\u5728ngOnInit\u4e2d\u8fdb\u884c\u8fd9\u4e9b\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7acb\u5373\u4f7f\u7528\u6570\u636e\u3002<\/p>\n<p>\u5728Angular\u4e2d\uff0c\u4f3c\u4e4e\u6ca1\u6709\u4e00\u822c\u5b58\u5728\u7528\u4e8e\u76d1\u89c6\u4e8b\u4ef6\u7684\u76d1\u89c6\u5c5e\u6027\u3002\u7136\u800c\uff0c\u4e0e\u5176\u4ed6JS\u6846\u67b6\u4e0d\u540c\uff0cAngular\u5728\u89c6\u56fe\u548c\u67b6\u6784\u4e2d\u8fdb\u884cIO\u4ea4\u4e92\uff0c\u56e0\u6b64\u53ea\u9700\u7f16\u5199\u65b9\u6cd5\u5373\u53ef\u5b9e\u73b0\u7c7b\u4f3c\u7684\u529f\u80fd\u3002\u6b64\u5916\uff0c\u4f3c\u4e4e\u8fd8\u6709\u4f7f\u7528RxJS\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u6709\u673a\u4f1a\u6211\u4e5f\u53ef\u4ee5\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span><span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">lodash<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">lodash<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">faHeart<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@fortawesome\/free-solid-svg-icons<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">state_json<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/json\/state.json<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">city_json<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/json\/city.json<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">countries<\/span><span class=\"p\">:<\/span><span class=\"kr\">any<\/span><span class=\"o\">=<\/span><span class=\"p\">[<\/span>\r\n\t\t\t\t<span class=\"p\">{<\/span><span class=\"na\">ab<\/span><span class=\"p\">:<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">US<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span><span class=\"na\">name<\/span><span class=\"p\">:<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">United States<\/span><span class=\"dl\">\"<\/span><span class=\"p\">},<\/span>\r\n\t\t\t\t<span class=\"p\">{<\/span><span class=\"na\">ab<\/span><span class=\"p\">:<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">JP<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span><span class=\"na\">name<\/span><span class=\"p\">:<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Japan<\/span><span class=\"dl\">\"<\/span><span class=\"p\">},<\/span>\r\n\t\t\t\t<span class=\"p\">{<\/span><span class=\"na\">ab<\/span><span class=\"p\">:<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">CN<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span><span class=\"na\">name<\/span><span class=\"p\">:<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">China<\/span><span class=\"dl\">\"<\/span><span class=\"p\">},<\/span>\r\n\t\t\t<span class=\"p\">]<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">states<\/span><span class=\"p\">:<\/span><span class=\"kr\">any<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">cities<\/span><span class=\"p\">:<\/span><span class=\"kr\">any<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">hit_cities<\/span><span class=\"p\">:<\/span><span class=\"kr\">any<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span> <span class=\"c1\">\/\/\u9078\u629e\u3067\u30d2\u30c3\u30c8<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">hit_cities_by_state<\/span><span class=\"p\">:<\/span><span class=\"kr\">any<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span> <span class=\"c1\">\/\/\u30a8\u30ea\u30a2\u691c\u7d22\u3067\u30d2\u30c3\u30c8\u3057\u305f\u90fd\u5e02\u3092\u7d5e\u308a\u8fbc\u307f<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">hit_cities_by_word<\/span><span class=\"p\">:<\/span><span class=\"kr\">any<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span> <span class=\"c1\">\/\/\u6587\u5b57\u691c\u7d22\u3067\u30d2\u30c3\u30c8\u3057\u305f\u90fd\u5e02\u3092\u7d5e\u308a\u8fbc\u307f<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">sel_country<\/span><span class=\"p\">:<\/span><span class=\"kr\">string<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span> <span class=\"c1\">\/\/\u9078\u629e\u3057\u305f\u56fd<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">sel_state<\/span><span class=\"p\">:<\/span><span class=\"kr\">string<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span> <span class=\"c1\">\/\/\u9078\u629e\u3057\u305f\u30a8\u30ea\u30a2<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">word<\/span><span class=\"p\">:<\/span><span class=\"kr\">string<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u691c\u7d22\u6587\u5b57<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">active<\/span><span class=\"p\">:<\/span><span class=\"kr\">string<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span> <span class=\"c1\">\/\/\u30a2\u30a4\u30b3\u30f3\u5857\u308a\u3064\u3076\u3057\u5bfe\u8c61\u306e\u30ab\u30e9\u30fc<\/span>\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n\t<span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-world<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/world.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/world.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">WorldComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span><span class=\"p\">{<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">faHeart<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">faHeart<\/span><span class=\"p\">;<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">countries<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">states<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">cities<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">sel_country<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sel_country<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">sel_state<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sel_state<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">word<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">hit_cities<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">hit_cities_by_state<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">hit_cities_by_word<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">active<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">red<\/span><span class=\"dl\">\"<\/span>\r\n\t<span class=\"k\">public<\/span> <span class=\"nx\">selecteditem<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t<span class=\"nf\">constructor<\/span><span class=\"p\">(){}<\/span>\r\n\t<span class=\"nf\">ngOnInit<\/span><span class=\"p\">(){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">countries<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">countries<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">states<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">state_json<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">cities<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">city_json<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"c1\">\/\/\u30b9\u30bf\u30a4\u30eb\u5236\u5fa1<\/span>\r\n\t<span class=\"nf\">colorSet<\/span><span class=\"p\">(<\/span><span class=\"nx\">id<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">cities<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[...<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">cities<\/span><span class=\"p\">]<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">active<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">active<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">selecteditem<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cities<\/span><span class=\"p\">.<\/span><span class=\"nf\">find<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">item<\/span><span class=\"p\">,<\/span><span class=\"nx\">idx<\/span><span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"k\">return<\/span> <span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">==<\/span> <span class=\"nx\">id<\/span>\r\n\t\t<span class=\"p\">})<\/span>\r\n\t\t<span class=\"nx\">cities<\/span><span class=\"p\">.<\/span><span class=\"nf\">filter<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">item<\/span><span class=\"p\">,<\/span><span class=\"nx\">idx<\/span><span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">==<\/span> <span class=\"nx\">id<\/span><span class=\"p\">){<\/span>\r\n\t\t\t\t<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">selecteditem<\/span><span class=\"p\">.<\/span><span class=\"nx\">act<\/span> <span class=\"o\">!==<\/span> <span class=\"nx\">active<\/span><span class=\"p\">){<\/span>\r\n\t\t\t\t\t<span class=\"nx\">selecteditem<\/span><span class=\"p\">.<\/span><span class=\"nx\">act<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">active<\/span>\r\n\t\t\t\t<span class=\"p\">}<\/span><span class=\"k\">else<\/span><span class=\"p\">{<\/span>\r\n\t\t\t\t\t<span class=\"nx\">selecteditem<\/span><span class=\"p\">.<\/span><span class=\"nx\">act<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span>\r\n\t\t\t\t<span class=\"p\">}<\/span>\r\n\t\t\t<span class=\"p\">}<\/span>\r\n\t\t<span class=\"p\">})<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">cities<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cities<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"c1\">\/\/\u56fd\u304b\u3089\u8a72\u5f53\u3059\u308b\u30a8\u30ea\u30a2\u3092\u7d5e\u308a\u8fbc\u307f<\/span>\r\n\t<span class=\"nf\">selectCountry<\/span><span class=\"p\">(<\/span><span class=\"nx\">sel_country<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">states<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">states<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">opt_states<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">states<\/span><span class=\"p\">.<\/span><span class=\"nf\">filter<\/span><span class=\"p\">((<\/span><span class=\"nx\">item<\/span><span class=\"p\">,<\/span><span class=\"nx\">key<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span> <span class=\"k\">return<\/span> <span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">country<\/span> <span class=\"o\">==<\/span> <span class=\"nx\">sel_country<\/span> <span class=\"p\">})<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">states<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">opt_states<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"c1\">\/\/\u30a8\u30ea\u30a2\u304b\u3089\u8a72\u5f53\u3059\u308b\u90fd\u5e02\u3092\u7d5e\u308a\u8fbc\u307f<\/span>\r\n\t<span class=\"nf\">selectState<\/span><span class=\"p\">(<\/span><span class=\"nx\">sel_state<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">hit_cities_by_state<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">cities<\/span><span class=\"p\">.<\/span><span class=\"nf\">filter<\/span><span class=\"p\">((<\/span><span class=\"nx\">item<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span> <span class=\"k\">return<\/span> <span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">state<\/span> <span class=\"o\">==<\/span> <span class=\"nx\">sel_state<\/span> <span class=\"p\">})<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">hit_cities_by_state<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">hit_cities_by_state<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">watcher<\/span><span class=\"p\">()<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"c1\">\/\/\u30d5\u30ea\u30fc\u30ef\u30fc\u30c9\u691c\u7d22<\/span>\r\n\t<span class=\"nf\">searchWord<\/span><span class=\"p\">(<\/span><span class=\"nx\">word<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">hit_cities_by_word<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">cities<\/span><span class=\"p\">.<\/span><span class=\"nf\">filter<\/span><span class=\"p\">((<\/span><span class=\"nx\">item<\/span><span class=\"p\">,<\/span><span class=\"nx\">key<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n\t\t\t<span class=\"nx\">item<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"p\">.<\/span><span class=\"nf\">replace<\/span><span class=\"p\">(<\/span><span class=\"sr\">\/<\/span><span class=\"se\">[<\/span><span class=\"sr\">A-Z<\/span><span class=\"se\">]<\/span><span class=\"sr\">\/g<\/span><span class=\"p\">,<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">ch<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span><span class=\"k\">return<\/span> <span class=\"nb\">String<\/span><span class=\"p\">.<\/span><span class=\"nf\">fromCharCode<\/span><span class=\"p\">(<\/span><span class=\"nx\">ch<\/span><span class=\"p\">.<\/span><span class=\"nf\">charCodeAt<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"o\">|<\/span> <span class=\"mi\">32<\/span><span class=\"p\">);})<\/span>\r\n\t\t\t<span class=\"k\">return<\/span> <span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nf\">includes<\/span><span class=\"p\">(<\/span><span class=\"nx\">word<\/span><span class=\"p\">)<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"nx\">word<\/span>\r\n\t\t<span class=\"p\">})<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">word<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">word<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">hit_cities_by_word<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">hit_cities_by_word<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">watcher<\/span><span class=\"p\">()<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"c1\">\/\/\u8ad6\u7406\u7a4d\u3092\u6c42\u3081\u308b\uff08\u305f\u3060\u306e\u30e1\u30bd\u30c3\u30c9\uff09<\/span>\r\n\t<span class=\"nf\">watcher<\/span><span class=\"p\">(){<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">hit_cities_by_state<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">hit_cities_by_state<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">hit_cities_by_word<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">hit_cities_by_word<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">len_state<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">hit_cities_by_state<\/span><span class=\"p\">.<\/span><span class=\"nx\">length<\/span>\r\n\t\t<span class=\"kd\">const<\/span> <span class=\"nx\">len_word<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">hit_cities_by_word<\/span><span class=\"p\">.<\/span><span class=\"nx\">length<\/span>\r\n\t\t<span class=\"kd\">let<\/span> <span class=\"nx\">hits<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t\t<span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">len_state<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">0<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"nx\">len_word<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">0<\/span> <span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"nx\">hits<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">lodash<\/span><span class=\"p\">.<\/span><span class=\"nf\">intersection<\/span><span class=\"p\">(<\/span><span class=\"nx\">hit_cities_by_state<\/span><span class=\"p\">,<\/span> <span class=\"nx\">hit_cities_by_word<\/span><span class=\"p\">)<\/span>\r\n\t\t<span class=\"p\">}<\/span><span class=\"k\">else<\/span> <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">len_state<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">0<\/span><span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"nx\">hits<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">hit_cities_by_state<\/span>\r\n\t\t<span class=\"p\">}<\/span><span class=\"k\">else<\/span> <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nx\">len_word<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">0<\/span><span class=\"p\">){<\/span>\r\n\t\t\t<span class=\"nx\">hits<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">hit_cities_by_word<\/span>\r\n\t\t<span class=\"p\">}<\/span><span class=\"k\">else<\/span><span class=\"p\">{<\/span>\r\n\t\t\t<span class=\"nx\">hits<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t\t<span class=\"p\">}<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">hit_cities<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">hits<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"nf\">clear<\/span><span class=\"p\">(){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">sel_state<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">sel_country<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">word<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">''<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">hit_cities<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;label&gt;<\/span> \u56fd\u306e\u9078\u629e <span class=\"nt\">&lt;\/label&gt;<\/span>\r\n<span class=\"nt\">&lt;select<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"sel1\"<\/span> <span class=\"na\">[(ngModel)]=<\/span><span class=\"s\">\"sel_country\"<\/span><span class=\"na\">(change)=<\/span><span class=\"s\">\"selectCountry(sel_country)\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\t<span class=\"nt\">&lt;option<\/span> <span class=\"na\">value=<\/span><span class=\"s\">''<\/span><span class=\"nt\">&gt;<\/span>-- \u56fd\u540d\u3092\u9078\u629e --<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n\t\t\t<span class=\"nt\">&lt;option<\/span> <span class=\"na\">*ngFor=<\/span><span class=\"s\">\"let item of countries\"<\/span> <span class=\"na\">[value]=<\/span><span class=\"s\">\"item.ab\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\t\t\t\t{{item.name}}\r\n\t\t\t<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n<span class=\"nt\">&lt;\/select&gt;<\/span>\r\n<span class=\"nt\">&lt;label&gt;<\/span> \u30a8\u30ea\u30a2\u306e\u9078\u629e<span class=\"nt\">&lt;\/label&gt;<\/span>\r\n<span class=\"nt\">&lt;select<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"sel2\"<\/span> <span class=\"na\">[(ngModel)]=<\/span><span class=\"s\">\"sel_state\"<\/span> <span class=\"na\">(change)=<\/span><span class=\"s\">\"selectState(sel_state)\"<\/span> <span class=\"nt\">&gt;<\/span>\r\n\t<span class=\"nt\">&lt;option<\/span> <span class=\"na\">value=<\/span><span class=\"s\">''<\/span><span class=\"nt\">&gt;<\/span>-- \u30a8\u30ea\u30a2\u3092\u9078\u629e --<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n\t<span class=\"nt\">&lt;option<\/span> <span class=\"na\">[value]=<\/span><span class=\"s\">\"item.code\"<\/span> <span class=\"na\">*ngFor=<\/span><span class=\"s\">\"let item of states\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\t\t{{item.name}}\r\n\t<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n<span class=\"nt\">&lt;\/select&gt;<\/span>\r\n\t<span class=\"nt\">&lt;br\/&gt;<\/span>\r\n<span class=\"nt\">&lt;h4&gt;<\/span>\u691c\u7d22\u6587\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044<span class=\"nt\">&lt;\/h4&gt;<\/span>\r\n<span class=\"nt\">&lt;input<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"text\"<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"word\"<\/span> <span class=\"na\">[(ngModel)]=<\/span><span class=\"s\">\"word\"<\/span> <span class=\"na\">(input)=<\/span><span class=\"s\">\"searchWord(word)\"<\/span> <span class=\"nt\">\/&gt;<\/span>\r\n<span class=\"nt\">&lt;button<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"button\"<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"clear()\"<\/span><span class=\"nt\">&gt;<\/span>clear<span class=\"nt\">&lt;\/button&gt;<\/span>\r\n<span class=\"nt\">&lt;div&gt;<\/span>\u30d2\u30c3\u30c8\u6570\uff1a{{ hit_cities.length }}\u4ef6<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<span class=\"nt\">&lt;ul<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"ulDatas\"<\/span> <span class=\"nt\">&gt;<\/span>\r\n\u3000\u3000<span class=\"nt\">&lt;li<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"liData\"<\/span> <span class=\"na\">*ngFor=<\/span><span class=\"s\">\"let item of hit_cities\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\u3000\u3000\t<span class=\"nt\">&lt;label<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"lbHit\"<\/span><span class=\"nt\">&gt;<\/span>{{ item.name }}\r\n\t\t<span class=\"nt\">&lt;label<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"colorSet(item.id)\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\t\t\t<span class=\"nt\">&lt;fa-icon<\/span> <span class=\"na\">[icon]=<\/span><span class=\"s\">\"faHeart\"<\/span> <span class=\"na\">[style.color]=<\/span><span class=\"s\">\"item.act\"<\/span><span class=\"nt\">&gt;&lt;\/fa-icon&gt;<\/span>\r\n\t\t<span class=\"nt\">&lt;\/label&gt;<\/span>\r\n\t\t<span class=\"nt\">&lt;\/label&gt;<\/span>\r\n\u3000\u3000\u3000\u3000<span class=\"nt\">&lt;br<\/span> <span class=\"nt\">\/&gt;<\/span>\r\n\u3000\u3000\u3000\u3000<span class=\"nt\">&lt;img<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"imageStyle\"<\/span> <span class=\"na\">[src]=<\/span><span class=\"s\">\"'..\/assets\/img\/'+item.src\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\u3000\u3000<span class=\"nt\">&lt;\/li&gt;<\/span>\r\n<span class=\"nt\">&lt;\/ul&gt;<\/span>\r\n<\/code><\/pre>\n<h1>\u7ec3\u4e608 \u5355\u72ec\u7ec4\u4ef6\u548c\u54cd\u5e94\u5f0f\u8868\u5355\uff08Todo\u5e94\u7528\uff09<\/h1>\n<h2>\u25c6\u72ec\u7acb\u7ec4\u4ef6<\/h2>\n<p>Angular14\u5f15\u5165\u4e86\u4e00\u9879\u98a0\u8986\u4ee5\u5f80Angular\u5e38\u8bc6\u3001\u53ef\u4e0eReact\u3001Vue\u3001Svelte\u7b49\u65b0\u52bf\u529b\u7ade\u4e89\u7684\u5212\u65f6\u4ee3\u529f\u80fd\uff0c\u79f0\u4e3a&#8221;Standalone Component&#8221;\u3002\u4f7f\u7528\u8fd9\u4e2aStandalone Component\uff0c\u53ef\u4ee5\u5e26\u6765\u5404\u79cd\u4f18\u52bf\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u4f9d\u5b58\u3057\u306a\u3044\u306e\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5927\u5e45\u306b\u8efd\u91cf\u5316\u3067\u304d\u308b\u3002\u3064\u307e\u308a\u3001\u5c0f\u898f\u6a21\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u3082\u9069\u3057\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3084\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f5c\u6210\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">app.module.ts\u304c\u4e0d\u8981\u306b\u306a\u308b\u306e\u3067\u3001\u4f5c\u696d\u306e\u5206\u62c5\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5207\u63db\u304c\u7c21\u5358\u306b\u306a\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">ngModule\u3001FormsModule\u3001BrowserModule\u306f\u4e0d\u8981\u306b\u306a\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u307e\u305f\u3001\u4f7f\u7528\u3057\u305f\u3044\u30e2\u30b8\u30e5\u30fc\u30eb\u3060\u3051\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4efb\u610f\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5f93\u5c5e\u95a2\u4fc2\u3092\u660e\u78ba\u5316\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5236\u5fa1\u3092\u7c21\u7565\u5316\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5f93\u5c5e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u30bb\u30ec\u30af\u30bf\u3092\u7701\u7565\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30ed\u30fc\u30ab\u30eb\u4e0a\u306e\u5909\u6570\u306f\u30c0\u30a4\u30ec\u30af\u30c8\u306b\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u308b<\/ul>\n<p>\u4e00\u5207\u5229\u76ca\u533a\u533a\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u53ef\u4ee5\u968f\u610f\u4f7f\u7528\u72ec\u7acb\u7ec4\u4ef6\uff0c\u6240\u4ee5\u5982\u679c\u4e0d\u60f3\u8981\u72ec\u7acb\u5316\uff0c\u4e5f\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528\u4f20\u7edf\u7ec4\u4ef6\u3002<\/p>\n<p>\u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u8fd9\u4e2a\u9875\u9762\u662f\u53c2\u8003\u4ee5\u4e0b\u6280\u672f\u7c7b\u7f51\u7ad9\uff08\u82f1\u6587\uff09\u5236\u4f5c\u7684\u3002\u6211\u505a\u4e86\u5f88\u591a\u641c\u7d22\uff0c\u4f46\u53ea\u6709\u8fd9\u4e2a\u9875\u9762\u80fd\u51e0\u4e4e\u5b8c\u6574\u5730\u83b7\u53d6\u5230\u6211\u60f3\u8981\u7684\u4fe1\u606f\u3002<\/p>\n<ul class=\"post-ul\">Head Start With Standalone Components In Angular<\/ul>\n<h2>\u25c6\u521b\u5efa\u72ec\u7acb\u7ec4\u4ef6\u3002<\/h2>\n<p>\u4f7f\u7528ng\u547d\u4ee4\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u521b\u5efa\u72ec\u7acb\u7ec4\u4ef6\u3002g\u662fgenerate\uff0cc\u662fcomponent\u7684\u7b80\u5199\u5f62\u5f0f\u3002\u5982\u679c\u60f3\u5728\u4efb\u610f\u76ee\u5f55\u521b\u5efa\uff0c\u8bf7\u53d6\u6d88\u4f7f\u7528&#8211;flat\u9009\u9879\u3002<\/p>\n<pre class=\"post-pre\"><code>#ng g c hoge-fuga --standalone --flat \r\n<\/code><\/pre>\n<p>\u5982\u679c\u6309\u7167\u8fd9\u6837\u7684\u65b9\u5f0f\uff0c\u5c06\u4f1a\u81ea\u52a8\u521b\u5efa\u4ee5\u4e0b\u7684\u7ec4\u4ef6\u3002\u8fd9\u4e2aCommonModule\u53d6\u4ee3\u4e86\u4f20\u7edf\u7684NgModule\uff0c\u540c\u65f6\u4e5f\u5305\u542b\u4e86FormsModule\u3001BrowserModule\u7b49\u529f\u80fd\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CommonModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/common<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-hoge-fuga<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">standalone<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">CommonModule<\/span><span class=\"p\">],<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/hoge-fuga.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/hoge-fuga.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">HogeFugaComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">{<\/span>\r\n\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"nf\">ngOnInit<\/span><span class=\"p\">():<\/span> <span class=\"k\">void<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u4f3c\u4e4e\u72ec\u7acb\u7ec4\u4ef6\u5e76\u4e0d\u4e00\u5b9a\u9700\u8981ngOnit\uff0c\u6240\u4ee5\u53ef\u4ee5\u5b89\u5168\u5730\u5c06\u5176\u79fb\u9664\u3002\u53e6\u5916\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u4f9d\u8d56\u5173\u7cfb\u7684\u7ec4\u4ef6\uff0c\u5220\u9664\u9009\u62e9\u5668\u5c5e\u6027\u4e5f\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CommonModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/common<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-hoge-fuga<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u524a\u9664\u3067\u304d\u308b<\/span>\r\n  <span class=\"na\">standalone<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">CommonModule<\/span><span class=\"p\">],<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/hoge-fuga.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/hoge-fuga.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">HogeFugaComponent<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u25c6\u5c06\u73b0\u6709\u7ec4\u4ef6\u8f6c\u53d8\u4e3a\u72ec\u7acb\u7684\u72ec\u7acb\u7ec4\u4ef6<\/h3>\n<p>\u60a8\u4e5f\u53ef\u4ee5\u5c06\u73b0\u6709\u7684\u7ec4\u4ef6\u6539\u4e3a\u72ec\u7acb\u4f7f\u7528\u3002\u6211\u5df2\u5728\u4fee\u6539\u5904\u52a0\u4e0a\u4e86\u6ce8\u91ca\u3002<\/p>\n<p>\u5728\u4e4b\u524d\u4f7f\u7528Angular\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\u65f6\uff0c\u9700\u8981\u6267\u884c\u4efb\u610f\u6a21\u5757*ngHoge\uff0c\u4f46\u73b0\u5728\u5b83\u4eec\u90fd\u5c06\u96c6\u4e2d\u5230CommonModule\u4e2d\u3002\u6b64\u5916\uff0c\u5728\u5c55\u5f00\u7c7b\u7ec4\u4ef6\u65f6\uff0c\u4e0d\u518d\u9700\u8981\u9010\u4e00\u7f16\u5199ngOninit\u3002<\/p>\n<p>\u901a\u8fc7\u663e\u793a\u5728\u2460\u5904\u7684\u6807\u8bb0\u63a7\u5236\uff0c\u5c06\u6b64\u6807\u8bb0\u8bbe\u7f6e\u4e3atrue\uff0c\u60a8\u53ef\u4ee5\u5c06\u6b64\u7ec4\u4ef6\u58f0\u660e\u4e3a\u72ec\u7acb\u7ec4\u4ef6\u3002\u5bfc\u5165RouterModule\u662f\u56e0\u4e3a\u6a21\u677f\u4e2d\u4f7f\u7528\u4e86router-outlet\u6807\u7b7e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CommonModule<\/span>  <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/common<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u6c4e\u7528\u30e2\u30b8\u30e5\u30fc\u30ebNgModule\u306b\u4ee3\u308f\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u7fa4<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AppService<\/span><span class=\"p\">,<\/span><span class=\"nx\">CntT<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">..\/appservice<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">RouterModule<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-main-navigation<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">standalone<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/\u2460\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5ba3\u8a00<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/main-navigation.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">],<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/main-navigation.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:[<\/span><span class=\"nx\">RouterModule<\/span><span class=\"p\">,<\/span><span class=\"nx\">CommonModule<\/span><span class=\"p\">],<\/span> <span class=\"c1\">\/\/\u4f7f\u7528\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8a18\u8ff0<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"c1\">\/\/implements onInit\u3068\u3057\u306a\u304f\u3066\u3082\u3001\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3067\u304d\u308b<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">MainNavigationComponent<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"k\">public<\/span> <span class=\"nx\">cnt<\/span><span class=\"p\">:<\/span><span class=\"nx\">CntT<\/span> <span class=\"c1\">\/\/\u51fa\u529b\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u578b\u3092\u53b3\u683c\u5316\u3057\u3066\u304a\u304f\u3053\u3068<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"k\">private<\/span> <span class=\"nx\">appService<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AppService<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">{<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">appService<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub<\/span><span class=\"p\">.<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">(<\/span><span class=\"nx\">v<\/span> <span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span><span class=\"err\">\u3000<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">cnt<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">v<\/span> <span class=\"p\">})<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u5c40\u90e8\u53d8\u91cf\u4e0d\u4ec5\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u503c\uff0c\u800c\u4e14\u5982\u679c\u5728\u6a21\u677f\u4e2d\u6ca1\u6709\u6307\u5b9a\u9009\u62e9\u5668\uff0c\u5219\u4e0d\u9700\u8981\u5b9a\u4e49\u9009\u62e9\u5668\u540d\u79f0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CommonModule<\/span>  <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/common<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">,<\/span><span class=\"nx\">Router<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AppService<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">..\/appservice<\/span><span class=\"dl\">\"<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">Storage<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/shop-context<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">standalone<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/products.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/products.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">],<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">CommonModule<\/span><span class=\"p\">],<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">ProductsComponent<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">storage<\/span><span class=\"p\">:<\/span><span class=\"nx\">Storage<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span>\r\n\t\t<span class=\"k\">private<\/span> <span class=\"nx\">router<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Router<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"k\">private<\/span> <span class=\"nx\">appservice<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AppService<\/span><span class=\"p\">,<\/span>\r\n\t<span class=\"p\">){<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">appservice<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub2<\/span><span class=\"p\">.<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">(<\/span><span class=\"nx\">v<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">storage<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">v<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/service\u306b\u3088\u3063\u3066\u5c55\u958b\u3055\u308c\u305f\u6c4e\u7528\u5909\u6570<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"nx\">title<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">Angular\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/span><span class=\"dl\">\"<\/span> <span class=\"c1\">\/\/\u3053\u306e\u3088\u3046\u306b\u30ed\u30fc\u30ab\u30eb\u4e0a\u3067\u5236\u5fa1\u3055\u308c\u308b\u5024\u306f\u305d\u306e\u307e\u307e\u8fd4\u305b\u308b<\/span>\r\n\t<span class=\"nf\">getId<\/span><span class=\"p\">(<\/span><span class=\"nx\">id<\/span><span class=\"p\">:<\/span><span class=\"kr\">string<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">router<\/span><span class=\"p\">.<\/span><span class=\"nf\">navigate<\/span><span class=\"p\">([<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">detail<\/span><span class=\"dl\">\"<\/span><span class=\"p\">],{<\/span><span class=\"na\">queryParams<\/span><span class=\"p\">:{<\/span><span class=\"dl\">'<\/span><span class=\"s1\">id<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span><span class=\"nx\">id<\/span><span class=\"p\">}})<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"nf\">postcall<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">sel<\/span><span class=\"p\">,<\/span><span class=\"nx\">storage<\/span><span class=\"p\">){<\/span>\r\n\t\t<span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">appsvs<\/span><span class=\"p\">.<\/span><span class=\"nf\">reducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">sel<\/span><span class=\"p\">,<\/span><span class=\"nx\">storage<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u4e3b\u8981.ts\u6587\u4ef6\u7684\u63a7\u5236<\/h3>\n<p>\u73b0\u5728\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5982\u4f55\u5728main.ts\u4e2d\u8fdb\u884c\u7f16\u5199\u3002\u5bf9\u4e8e\u72ec\u7acb\u7ec4\u4ef6\u6765\u8bf4\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u8fdb\u884c\u8def\u7531\u8bbe\u7f6e\u7684\u7f16\u5199\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">enableProdMode<\/span><span class=\"p\">,<\/span><span class=\"nx\">importProvidersFrom<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">bootstrapApplication<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/platform-browser<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AppComponent<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/app\/app.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">environment<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/environments\/environment<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">RouterModule<\/span><span class=\"p\">,<\/span><span class=\"nx\">Routes<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c1\">\/\/\u5404\u7a2e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">ProductsComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/app\/pages\/products.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">CartComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/app\/pages\/cart.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">DetailComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/app\/pages\/detail.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">environment<\/span><span class=\"p\">.<\/span><span class=\"nx\">production<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">enableProdMode<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"c1\">\/\/\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5236\u5fa1<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Route<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Routes<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">''<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ProductsComponent<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">detail<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">DetailComponent<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">cart<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">CartComponent<\/span><span class=\"p\">,<\/span><span class=\"na\">pathMatch<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">full<\/span><span class=\"dl\">'<\/span><span class=\"p\">},<\/span>\r\n<span class=\"p\">]<\/span>\r\n\r\n<span class=\"c1\">\/\/ Standalone\u306eBootstrap<\/span>\r\n<span class=\"nf\">bootstrapApplication<\/span><span class=\"p\">(<\/span><span class=\"nx\">AppComponent<\/span><span class=\"p\">,{<\/span>\r\n   <span class=\"na\">providers<\/span><span class=\"p\">:[<\/span><span class=\"nf\">importProvidersFrom<\/span><span class=\"p\">(<\/span><span class=\"nx\">RouterModule<\/span><span class=\"p\">.<\/span><span class=\"nf\">forRoot<\/span><span class=\"p\">(<\/span><span class=\"nx\">Route<\/span><span class=\"p\">))]<\/span>\r\n<span class=\"p\">}).<\/span><span class=\"k\">catch<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">error<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">));<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u60a8\u5728\u6700\u5e95\u90e8\u7684\u201cstandalone\u7684Bootstrap\u201d\u4e2d\u63d0\u5230\uff0c\u5982\u679c\u5c06\u4ee5\u4e0b\u4ee3\u7801\u6dfb\u52a0\u5230providers\u5c5e\u6027\u4e2d\uff0c\u60a8\u5c31\u53ef\u4ee5\u5b9e\u73b0\u8def\u7531\u63a7\u5236\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u60a8\u5c31\u53ef\u4ee5\u7701\u53bb\u4ece\u4f9d\u8d56\u7ec4\u4ef6\u4e2d\u5bfc\u51fa\u63a7\u5236\u7684\u9ebb\u70e6\u3002<\/p>\n<pre class=\"post-pre\"><code>bootstrapApplication(AppComponent,{\r\n   providers:[importProvidersFrom(RouterModule.forRoot(Route))]\r\n}).catch(err =&gt; console.error(err));\r\n<\/code><\/pre>\n<p>\u8fd9\u6b21\uff0c\u6211\u60f3\u7528Angular\u5236\u4f5c\u4e00\u4e2aTodo\u5e94\u7528\u7a0b\u5e8f\u3002\u7531\u4e8e\u8fd9\u4e2aTodo\u5e94\u7528\u7a0b\u5e8f\u5305\u542b\u7531\u8def\u7531\u63a7\u5236\u7684\u5144\u5f1f\u7ec4\u4ef6\u548c\u7236\u5b50\u5173\u7cfb\u7ec4\u4ef6\uff0c\u56e0\u6b64\u6211\u8ba4\u4e3a\u60a8\u5c06\u66f4\u52a0\u4e86\u89e3\u8fd9\u4e2a\u72ec\u7acb\u7ec4\u4ef6\u7684\u4fbf\u5229\u6027\u3002\u53e6\u5916\uff0c\u6211\u8fd8\u5c06\u4ecb\u7ecdAngular 14\u4e2d\u7684\u53e6\u4e00\u4e2a\u4eae\u70b9\uff0c\u5373\u54cd\u5e94\u5f0f\u8868\u5355\u3002<\/p>\n<h2>\u66f4\u6539\u8def\u7531\u4fe1\u606f<\/h2>\n<p>\u4ecemain.ts\u53ef\u4ee5\u63a7\u5236\u8def\u7531\u7684\u610f\u601d\u662f\u53ef\u4ee5\u81ea\u7531\u5207\u6362SPA\u3002\u56e0\u6b64\uff0c\u53ea\u9700\u521b\u5efa\u4efb\u610f\u7684\u8def\u7531\u6587\u4ef6\uff0c\u5c31\u53ef\u4ee5\u8f7b\u677e\u5207\u6362\u5230\u60f3\u8981\u8fde\u63a5\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u8fd9\u6837\u5206\u5de5\u4e5f\u4f1a\u53d8\u5f97\u975e\u5e38\u5bb9\u6613\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">enableProdMode<\/span><span class=\"p\">,<\/span><span class=\"nx\">importProvidersFrom<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">bootstrapApplication<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/platform-browser<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AppComponent<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/app\/app.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">environment<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/environments\/environment<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">RouterModule<\/span><span class=\"p\">,<\/span><span class=\"nx\">Routes<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">Route<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/app\/routes\/shopping-cart<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u60c5\u5831\u3092\u5916\u90e8\u30d5\u30a1\u30a4\u30eb\u5316\u3059\u308b<\/span>\r\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">environment<\/span><span class=\"p\">.<\/span><span class=\"nx\">production<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">enableProdMode<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ Standalone\u306eBootstrap<\/span>\r\n<span class=\"nf\">bootstrapApplication<\/span><span class=\"p\">(<\/span><span class=\"nx\">AppComponent<\/span><span class=\"p\">,{<\/span>\r\n   <span class=\"na\">providers<\/span><span class=\"p\">:[<\/span><span class=\"nf\">importProvidersFrom<\/span><span class=\"p\">(<\/span><span class=\"nx\">RouterModule<\/span><span class=\"p\">.<\/span><span class=\"nf\">forRoot<\/span><span class=\"p\">(<\/span><span class=\"nx\">Route<\/span><span class=\"p\">))]<\/span>\r\n<span class=\"p\">}).<\/span><span class=\"k\">catch<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">error<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">));<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u662f\u5982\u4f55\u521b\u5efa\u5916\u90e8\u6587\u4ef6\u7684\u8def\u7531\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Routes<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@angular\/router<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c1\">\/\/\u5404\u7a2e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">ProductsComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/pages\/products.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">CartComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/pages\/cart.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">ArticlesComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/pages\/articles.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">DetailComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/pages\/detail.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">Route<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Routes<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">''<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ProductsComponent<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">detail<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">DetailComponent<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">cart<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">CartComponent<\/span><span class=\"p\">,<\/span><span class=\"na\">pathMatch<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">full<\/span><span class=\"dl\">'<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">articles<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ArticlesComponent<\/span><span class=\"p\">,<\/span><span class=\"na\">pathMatch<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">full<\/span><span class=\"dl\">'<\/span><span class=\"p\">},<\/span>\r\n<span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<p>\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u5b8c\u6210\u4e86\u8d2d\u7269\u7bee\u5e94\u7528\u7a0b\u5e8f\u7684\u5207\u6362\u51c6\u5907\uff0c\u6240\u4ee5\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u5728main.ts\u4e2d\u521b\u5efaTodo\u5e94\u7528\u7a0b\u5e8f\u7684\u6587\u4ef6\uff0c\u4f46\u5728\u6b64\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u518d\u505a\u4e00\u4e9b\u51c6\u5907\u5de5\u4f5c\u3002<\/p>\n<h2>\u5728\u81ea\u5b9a\u4e49\u6a21\u5757\u4e2d\u8fdb\u884c\u63a7\u5236<\/h2>\n<p>\u72ec\u7acb\u7ec4\u4ef6\u4e0d\u9700\u8981NgModule\uff0c\u5982\u524d\u6240\u8ff0\uff0c\u4f46\u53cd\u8fc7\u6765\uff0c\u60a8\u53ef\u4ee5\u53ea\u5bfc\u5165SPA\u6240\u9700\u7684\u6a21\u5757\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u81ea\u5b9a\u4e49\u6a21\u5757\u53d1\u9001\u5230\u5404\u79cd\u7ec4\u4ef6\u3002\u5728\u5bfc\u5165\u76ee\u6807\u7ec4\u4ef6\u65f6\uff0c\u8bf7\u52a1\u5fc5\u5728exports\u4e2d\u8bb0\u5f55\u8981\u4f7f\u7528\u7684\u6a21\u5757\u3002\u5982\u679c\u5fd8\u8bb0\u8fd9\u4e00\u70b9\uff0c\u5916\u90e8\u7ec4\u4ef6\u5c06\u65e0\u6cd5\u4f7f\u7528\u5404\u79cd\u6a21\u5757\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">NgModule<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CommonModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/common<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">RouterModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">ReactiveFormsModule<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/forms<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">NgModule<\/span><span class=\"p\">({<\/span>\r\n\t<span class=\"na\">imports<\/span><span class=\"p\">:[<\/span>\r\n    <span class=\"nx\">CommonModule<\/span><span class=\"p\">,<\/span> <span class=\"nx\">RouterModule<\/span><span class=\"p\">,<\/span> <span class=\"nx\">ReactiveFormsModule<\/span><span class=\"p\">,<\/span>\r\n\t<span class=\"p\">],<\/span>\r\n    <span class=\"c1\">\/\/\u5916\u90e8\u3067\u5236\u5fa1\u3055\u305b\u305f\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/span>\r\n    <span class=\"na\">exports<\/span><span class=\"p\">:[<\/span>\r\n    <span class=\"nx\">CommonModule<\/span><span class=\"p\">,<\/span> <span class=\"nx\">RouterModule<\/span><span class=\"p\">,<\/span> <span class=\"nx\">ReactiveFormsModule<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">],<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">CustomModule<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u8981\u5bfc\u5165\u81ea\u5b9a\u4e49\u6a21\u5757\uff0c\u5c31\u53ef\u4ee5\u7701\u7565\u5197\u957f\u7684\u5199\u6cd5\uff0c\u4ee5\u4fbf\u4f7f\u7528\u6240\u9700\u7684\u7ec4\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CommonModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/common<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">TodoService<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/services\/todo-service<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">,<\/span><span class=\"nx\">Router<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/RouterModule\u306e\u8a18\u8ff0\u306f\u4e0d\u8981<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Data<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/todo-types\/types_todo<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">FormGroup<\/span><span class=\"p\">,<\/span><span class=\"nx\">FormControl<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/forms<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/ReactiveFormModule\u306e\u8a18\u8ff0\u306f\u4e0d\u8981<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CustomModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/custom.module<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/\u5148\u7a0b\u8a2d\u5b9a\u3057\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u5185\u5305\u3055\u308c\u308b<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-edit-todo<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">standalone<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">CustomModule<\/span><span class=\"p\">],<\/span> <span class=\"c1\">\/\/\u9010\u4e00\u3001\u4ed6\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b<\/span>\r\n<span class=\"cm\">\/*\u5f8c\u7565*\/<\/span>\r\n<\/code><\/pre>\n<p>\u90a3\u4e48\uff0c\u6211\u4eec\u73b0\u5728\u5f00\u59cb\u5236\u4f5c\u4e00\u4e2aTodo\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<h2>\u5236\u4f5c\u4e00\u4e2aTodo\u5e94\u7528<\/h2>\n<p>\u4ee5\u4e0b\u662fTodo\u5e94\u7528\u7a0b\u5e8f\u7684\u76ee\u5f55\u7ed3\u6784\u3002\u25cf\u8868\u793a\u4e00\u7ec4\u7ec4\u4ef6\u6587\u4ef6\uff08\u7ec4\u4ef6\u3001\u6a21\u677f\u3001\u6837\u5f0f\u3001\u89c4\u8303\uff09\u3002\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u8fd9\u4e2a\u5e94\u7528\u7a0b\u5e8f\u662f\u57fa\u4e8e\u4ee5\u4e0b\u6587\u7ae0\uff08\u4f7f\u7528Vue\u521b\u5efa\uff09\u7684\uff0c\u6211\u5c06\u5176\u7b80\u5316\u5e76\u8f6c\u6362\u4e3aAngular\u3002<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code>\u25a0app\r\n    \u25a0routes\r\n        -app-todo.ts\r\n    \u25a0services\r\n        -todo-service.ts\r\n    \u25a0todo-components\r\n        -\u25cftodo-item \/\/Todo\u5404\u7a2e\u306e\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\r\n        -\u25cftodos \/\/Todo\u30ea\u30b9\u30c8\u306e\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\r\n    \u25a0todo-types\r\n        -types-todo.ts\r\n    \u25a0todo-views\r\n        -\u25cfadd-todo \/\/\u65b0\u898f\u767b\u9332\r\n        -\u25cfapp \/\/\u30eb\u30fc\u30c8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\r\n        -\u25cfdetail-todo \/\/\u8a73\u7d30\r\n        -\u25cfedit-todo \/\/\u7de8\u96c6\r\n        -\u25cftodo \/\/\u30c8\u30c3\u30d7\u753b\u9762\r\nmain.ts\r\ncustom.module.ts #\u30ab\u30b9\u30bf\u30e0\u30e2\u30b8\u30e5\u30fc\u30eb\r\n<\/code><\/pre>\n<p>\u6839\u636e\u8fd9\u4e00\u57fa\u7840\uff0c\u9996\u5148\u9700\u8981\u8bbe\u7f6e\u8def\u7531\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Routes<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@angular\/router<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c1\">\/\/\u5404\u7a2e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">TodoComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/todo-views\/todo.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">AddTodoComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/todo-views\/add-todo.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">EditTodoComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/todo-views\/edit-todo.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">DetailTodoComponent<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/todo-views\/detail-todo.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">const<\/span> <span class=\"nx\">Route<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Routes<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">''<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">TodoComponent<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">add<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">AddTodoComponent<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">edit\/:id<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">EditTodoComponent<\/span><span class=\"p\">,<\/span><span class=\"na\">pathMatch<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">full<\/span><span class=\"dl\">'<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">{<\/span><span class=\"na\">path<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">detail\/:id<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span><span class=\"na\">component<\/span><span class=\"p\">:<\/span> <span class=\"nx\">DetailTodoComponent<\/span><span class=\"p\">,<\/span><span class=\"na\">pathMatch<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">full<\/span><span class=\"dl\">'<\/span><span class=\"p\">},<\/span>\r\n<span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<p>\u6839\u636e\u8fd9\u4e2a\uff0c\u6211\u4eec\u53ea\u9700\u8981\u6539\u53d8main.ts\u4e2d\u7684\u5bfc\u5165\u6587\u4ef6\uff08\u8def\u7531\u6587\u4ef6\u548c\u6839\u7ec4\u4ef6\uff09\uff0c\u4ee5\u4e0b\u7ec4\u4ef6\u5c06\u6210\u4e3aTodo\u5e94\u7528\u7a0b\u5e8f\u7684\u7ec4\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">enableProdMode<\/span><span class=\"p\">,<\/span><span class=\"nx\">importProvidersFrom<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">bootstrapApplication<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/platform-browser<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c1\">\/\/import { AppComponent } from '.\/app\/app.component';<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AppComponent<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/app.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u30eb\u30fc\u30c8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u7de8\u96c6\u3057\u306a\u3044\u65b9\u304c\u5229\u4fbf\u6027\u304c\u9ad8\u3044<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">environment<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/environments\/environment<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">RouterModule<\/span><span class=\"p\">,<\/span><span class=\"nx\">Routes<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c1\">\/\/import {Route} from '.\/app\/routes\/shopping-cart'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">Route<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/app\/routes\/app-todo<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/\u5207\u308a\u63db\u3048\u305f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb<\/span>\r\n<span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">environment<\/span><span class=\"p\">.<\/span><span class=\"nx\">production<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nf\">enableProdMode<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ Standalone\u306eBootstrap<\/span>\r\n<span class=\"nf\">bootstrapApplication<\/span><span class=\"p\">(<\/span><span class=\"nx\">AppComponent<\/span><span class=\"p\">,{<\/span>\r\n   <span class=\"na\">providers<\/span><span class=\"p\">:[<\/span><span class=\"nf\">importProvidersFrom<\/span><span class=\"p\">(<\/span><span class=\"nx\">RouterModule<\/span><span class=\"p\">.<\/span><span class=\"nf\">forRoot<\/span><span class=\"p\">(<\/span><span class=\"nx\">Route<\/span><span class=\"p\">))]<\/span>\r\n<span class=\"p\">}).<\/span><span class=\"k\">catch<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">error<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">));<\/span>\r\n<\/code><\/pre>\n<h3>\u6839\u7ec4\u4ef6<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4f5c\u4e3a\u6240\u6709\u6839\u7ec4\u4ef6\u7684\u53c2\u8003\u6807\u51c6\u7684\u8def\u7531\u7ec4\u4ef6\u3002\u8bf7\u6ce8\u610f\uff0c\u6a21\u677f\u4e2d\u4f7f\u7528\u4e86router-outlet\u6807\u7b7e\u6765\u6307\u793a\u8def\u7531\u76ee\u6807\uff0c\u56e0\u6b64\u4e5f\u4f7f\u7528\u4e86RouterModule\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CustomModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/custom.module<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/\u5148\u7a0b\u8a2d\u5b9a\u3057\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u5185\u5305\u3055\u308c\u308b<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">TodoService<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/services\/todo-service<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-root<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">standalone<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">CustomModule<\/span><span class=\"p\">],<\/span> <span class=\"c1\">\/\/\u3053\u3053\u306b\u8ffd\u8a18\u3059\u308b<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"p\">:<\/span> <span class=\"s2\">`&lt;router-outlet&gt;&lt;\/router-outlet&gt;`<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/app.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">],<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">AppComponent<\/span><span class=\"p\">{<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u9996\u9875<\/h3>\n<p>\u9996\u9875\u5c06\u5448\u73b0\u5982\u4e0b\u3002\u7531\u4e8e\u9700\u8981\u5c06\u9996\u9875\u4e0eTodos\u7ec4\u4ef6\u5173\u8054\u8d77\u6765\uff0c\u6240\u4ee5\u8bf7\u786e\u4fdd\u63d0\u524d\u5bfc\u5165Todos\u7ec4\u4ef6\u3002\u4ee5\u5f80\uff0c\u6240\u6709\u8fd9\u4e9b\u90fd\u5fc5\u987b\u4ece\u6a21\u5757\u4e2d\u8fdb\u884c\u63a7\u5236\uff0c\u4f46\u901a\u8fc7\u72ec\u7acb\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u72ec\u7acb\u8c03\u7528\u7ec4\u4ef6\u3002\u56e0\u6b64\uff0c\u7ec4\u4ef6\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u66f4\u52a0\u6e05\u6670\u6613\u61c2\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5728\u6b64\u753b\u9762\u4e0a\u5b9e\u73b0\u4e86\u7528\u4e8e\u8f6c\u5230\u65b0\u6ce8\u518c\u753b\u9762\u7684\u6309\u94ae\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5bfc\u5165RouterModule\uff08\u5982\u679c\u4e0d\u5bfc\u5165\u5b83\uff0c\u5c06\u65e0\u6cd5\u8fdb\u884c\u753b\u9762\u8f6c\u6362\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CustomModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/common<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">TodosComponent<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/todo-components\/todos.component<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/Todo\u5236\u5fa1\u7528\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">TodoService<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/services\/todo-service<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">RouterModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/\u65b0\u898f\u767b\u9332\u3078\u306e\u30ea\u30f3\u30af<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">standalone<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">CustomModule<\/span><span class=\"p\">,<\/span><span class=\"nx\">TodosComponent<\/span><span class=\"p\">],<\/span> <span class=\"c1\">\/\/\u5fc5\u8981\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"p\">:<\/span><span class=\"s2\">`\r\n    &lt;h2&gt;TODO\u4e00\u89a7&lt;\/h2&gt;\r\n      &lt;app-todos&gt;&lt;\/app-todos&gt;&lt;!-- Todos\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u7d10\u3065\u3051 --&gt;\r\n    &lt;a routerLink=\".\/add\"&gt;&lt;button&gt;\u65b0\u898f\u767b\u9332&lt;\/button&gt;&lt;\/a&gt;\r\n  `<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/todo.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">TodoComponent<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u5f85\u529e\u4e8b\u9879\u5217\u8868\u63a7\u5236<\/h2>\n<p>\u6240\u6709\u7684Todo\u5217\u8868\u7531todos\u7ec4\u4ef6\u63a7\u5236\u3002\u6b64\u7ec4\u4ef6\u7ba1\u7406\u6bcf\u4e2aTodo\u7684\u5b50\u7ec4\u4ef6\u5e76\u5efa\u7acb\u7236\u5b50\u5173\u7cfb\uff0c\u901a\u8fc7\u72ec\u7acb\u7ec4\u4ef6\u5b9e\u73b0\u4e86\u7ec4\u4ef6\u7684\u7b80\u6d01\u8fde\u63a5\uff08\u7c7b\u4f3c\u4e8eVue\u3001React\u3001Svelte\u7684\u5173\u8054\u5448\u73b0\u66f4\u52a0\u6e05\u6670\uff09\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u8fd9\u4e2aTodo\u5217\u8868\u662f\u9996\u9875\u7684todo\u7ec4\u4ef6\u7684\u4ece\u5c5e\u5173\u7cfb\uff0c\u6240\u4ee5\u5fc5\u987b\u4f7f\u7528\u9009\u62e9\u5668\u6765\u6307\u5b9a\u4ece\u5c5e\u5173\u7cfb\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u7368\u7acb\u7d44\u4ef6\u4e0d\u5fc5\u8981\u6c42ngOnInit\u63a7\u5236\uff0c\u56e0\u6b64\u53ef\u4ee5\u5728\u69cb\u9020\u51fd\u6578\u4e2d\u8655\u7406\u5f9e\u670d\u52d9\u5668\u8abf\u7528\u7684Todo\u6578\u64da\u3002\u901a\u904e\u5728\u670d\u52d9\u5668\u4e0a\u9032\u884c\u8a3b\u518a\u3001\u4fee\u6539\u548c\u522a\u9664\u7b49\u8655\u7406\uff0c\u53ef\u4ee5\u6aa2\u6e2c\u5230\u66f4\u65b0\u5f8c\u7684\u6578\u64da\u4e26\u8a02\u95b1\u5b83\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CustomModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/common<\/span><span class=\"dl\">'<\/span> <span class=\"c1\">\/\/\u30ab\u30b9\u30bf\u30e0\u30e2\u30b8\u30e5\u30fc\u30eb<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">TodoItemComponent<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/todo-item.component \/\/\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3000\r\nimport {TodoService} from <\/span><span class=\"dl\">'<\/span><span class=\"p\">..<\/span><span class=\"o\">\/<\/span><span class=\"nx\">services<\/span><span class=\"o\">\/<\/span><span class=\"nx\">todo<\/span><span class=\"o\">-<\/span><span class=\"nx\">service<\/span><span class=\"dl\">'<\/span><span class=\"s1\"> \/\/\u30c7\u30fc\u30bf\u3084\u66f4\u65b0\u60c5\u5831\u3092\u683c\u7d0d\u3057\u305f\u30b5\u30fc\u30d3\u30b9\u30d5\u30a1\u30a4\u30eb\r\nimport { Data } from <\/span><span class=\"dl\">'<\/span><span class=\"p\">..<\/span><span class=\"o\">\/<\/span><span class=\"nx\">todo<\/span><span class=\"o\">-<\/span><span class=\"nx\">types<\/span><span class=\"o\">\/<\/span><span class=\"nx\">types_todo<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\r\n\r\n@Component({\r\n  selector: <\/span><span class=\"dl\">'<\/span><span class=\"nx\">app<\/span><span class=\"o\">-<\/span><span class=\"nx\">todos<\/span><span class=\"dl\">'<\/span><span class=\"s1\">, \/\/\u5f93\u5c5e\u3059\u308b\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u7d10\u3065\u3051\u308b\u305f\u3081\u306b\u5fc5\u9808\r\n  standalone: true,\r\n  imports: [CustomModule,TodoItemComponent],\r\n  template: `\r\n            &lt;ul&gt;\r\n              &lt;app-todo-item\r\n                *ngFor=\"let todo of todos\"\r\n                [todo]=\"todo\"\r\n              &gt;&lt;\/app-todo-item&gt;\r\n            &lt;\/ul&gt;\r\n            `\r\n  ,\r\n  styleUrls: [<\/span><span class=\"dl\">'<\/span><span class=\"p\">..<\/span><span class=\"o\">\/<\/span><span class=\"nx\">todo<\/span><span class=\"o\">-<\/span><span class=\"nx\">components<\/span><span class=\"o\">\/<\/span><span class=\"nx\">todos<\/span><span class=\"p\">.<\/span><span class=\"nx\">component<\/span><span class=\"p\">.<\/span><span class=\"nx\">css<\/span><span class=\"dl\">'<\/span><span class=\"s1\">]\r\n})\r\nexport class TodosComponent{\r\n  todos: any\r\n  constructor(private svs: TodoService) {\r\n    this.svs.sub.subscribe(v =&gt; this.todos = v) \/\/\u66f4\u65b0\u3092\u691c\u77e5\u3057\u305f\u5024\u3092\u8cfc\u8aad\r\n  }\r\n}\r\n<\/span><\/code><\/pre>\n<h3>\u670d\u52a1\u6587\u4ef6<\/h3>\n<p>\u6211\u8ba4\u4e3a\u670d\u52a1\u6587\u4ef6\u6ca1\u6709\u592a\u5927\u53d8\u5316\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cObservable\u975e\u5e38\u65b9\u4fbf\u3002\u7136\u800c\uff0c\u5982\u679c\u4e0d\u4f7f\u7528splice\u63a7\u5236\u5220\u9664\u64cd\u4f5c\uff0c\u5c31\u65e0\u6cd5\u68c0\u6d4b\u5230\u66f4\u65b0\uff08\u56e0\u4e3afilter\u662f\u975e\u7834\u574f\u6027\u7684\uff0c\u5373\u4f7f\u8fdb\u884c\u63a7\u5236\uff0c\u53d8\u91cf\u7684\u503c\u4e5f\u4e0d\u4f1a\u66f4\u65b0\uff09\u3002\u6240\u4ee5\u8bf7\u6ce8\u610f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Injectable<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Observable<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rxjs<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Data<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/todo-types\/types_todo<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">todos<\/span> <span class=\"o\">=<\/span> <span class=\"o\">&lt;<\/span><span class=\"kr\">any<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">[]<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Injectable<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">providedIn<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">root<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"p\">})<\/span>\r\n\r\n\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">TodoService<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">sub<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Observable<\/span><span class=\"o\">&lt;<\/span><span class=\"kr\">any<\/span><span class=\"o\">&gt;<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(){<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Observable<\/span><span class=\"p\">((<\/span><span class=\"nx\">ob<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n      <span class=\"nx\">ob<\/span><span class=\"p\">.<\/span><span class=\"nf\">next<\/span><span class=\"p\">(<\/span><span class=\"nx\">todos<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">})<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"c1\">\/\/\u30c7\u30fc\u30bf\u767b\u9332<\/span>\r\n  <span class=\"nx\">addTodo<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">date<\/span> <span class=\"o\">=<\/span><span class=\"k\">new<\/span> <span class=\"nc\">Date<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">date<\/span><span class=\"p\">.<\/span><span class=\"nf\">getTime<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"nx\">todos<\/span><span class=\"p\">.<\/span><span class=\"nf\">push<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"c1\">\/\/\u30c7\u30fc\u30bf\u66f4\u65b0<\/span>\r\n  <span class=\"nx\">updTodo<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">idx<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">todos<\/span><span class=\"p\">.<\/span><span class=\"nf\">findIndex<\/span><span class=\"p\">((<\/span><span class=\"nx\">item<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">==<\/span> <span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">todos<\/span><span class=\"p\">[<\/span><span class=\"nx\">idx<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{...<\/span><span class=\"nx\">todos<\/span><span class=\"p\">[<\/span><span class=\"nx\">idx<\/span><span class=\"p\">],...<\/span><span class=\"nx\">data<\/span><span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"c1\">\/\/\u30c7\u30fc\u30bf\u524a\u9664<\/span>\r\n  <span class=\"nx\">delTodo<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">id<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">idx<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">todos<\/span><span class=\"p\">.<\/span><span class=\"nf\">findIndex<\/span><span class=\"p\">((<\/span><span class=\"nx\">item<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">==<\/span> <span class=\"nx\">id<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">todos<\/span><span class=\"p\">.<\/span><span class=\"nf\">splice<\/span><span class=\"p\">(<\/span><span class=\"nx\">idx<\/span><span class=\"p\">,<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"nx\">todoReducer<\/span> <span class=\"o\">=<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"k\">switch<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">){<\/span>\r\n      <span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">ADD_TODO<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">addTodo<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"k\">break<\/span>\r\n      <span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">UPD_TODO<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">updTodo<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"k\">break<\/span>\r\n      <span class=\"k\">case<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">DEL_TODO<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nf\">delTodo<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"k\">break<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u63a7\u5236\u5404\u4e2a\u5f85\u529e\u4e8b\u9879<\/h2>\n<p>\u6bcf\u4e2aTodo\u7684\u63a7\u5236\u5982\u4e0b\u3002\u8fd9\u91cc\u4ece\u7236\u7ec4\u4ef6\u63a5\u6536\u503c\uff0c\u6240\u4ee5\u4e0d\u9700\u8981\u8ba2\u9605\u670d\u52a1\u3002\u6b64\u5916\uff0c\u8fd9\u91cc\u4e5f\u662ftodos\u7ec4\u4ef6\u7684\u5b50\u7ec4\u4ef6\uff0c\u6240\u4ee5\u5fc5\u987b\u8fdb\u884c\u9009\u62e9\u5668\u6307\u5b9a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Input<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">TodoService<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/services\/todo-service<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">Router<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CustomModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/custom.module<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-todo-item<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/\u88ab\u5f93\u5c5e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306a\u306e\u3067\u30bb\u30ec\u30af\u30bf\u540d\u306f\u5fc5\u9808<\/span>\r\n  <span class=\"na\">standalone<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">CustomModule<\/span><span class=\"p\">],<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/todo-item.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/todo-item.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">TodoItemComponent<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"p\">@<\/span><span class=\"nd\">Input<\/span><span class=\"p\">()<\/span> <span class=\"nx\">todo<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nx\">svs<\/span><span class=\"p\">:<\/span><span class=\"nx\">TodoService<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nx\">rtr<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Router<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"nf\">postcall<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">data<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">svs<\/span><span class=\"p\">.<\/span><span class=\"nf\">todoReducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"nf\">getId<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">id<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">rtr<\/span><span class=\"p\">.<\/span><span class=\"nf\">navigate<\/span><span class=\"p\">([<\/span><span class=\"s2\">`<\/span><span class=\"p\">${<\/span><span class=\"nx\">mode<\/span><span class=\"p\">}<\/span><span class=\"s2\">\/<\/span><span class=\"p\">${<\/span><span class=\"nx\">id<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">])<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c\">&lt;!-- \u5404Todo\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 --&gt;<\/span>\r\n<span class=\"nt\">&lt;div<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"card\"<\/span><span class=\"nt\">&gt;<\/span>\r\n  <span class=\"nt\">&lt;div&gt;<\/span>\r\n    <span class=\"nt\">&lt;a<\/span> <span class=\"na\">routerLink=<\/span><span class=\"s\">\"\/\"<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"getId('detail',todo.id)\"<\/span><span class=\"nt\">&gt;<\/span>\r\n      <span class=\"nt\">&lt;span<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"title\"<\/span><span class=\"nt\">&gt;<\/span>{{todo.title}}<span class=\"nt\">&lt;\/span&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/a&gt;<\/span>\r\n    <span class=\"nt\">&lt;span<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"status\"<\/span><span class=\"nt\">&gt;<\/span>{{ todo.str_status }}<span class=\"nt\">&lt;\/span&gt;<\/span>\r\n  <span class=\"nt\">&lt;\/div&gt;<\/span>\r\n  <span class=\"nt\">&lt;div<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"action\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    <span class=\"nt\">&lt;a<\/span> <span class=\"na\">routerLink=<\/span><span class=\"s\">\"\/\"<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"getId('edit',todo.id)\"<\/span><span class=\"nt\">&gt;&lt;button&gt;<\/span>\u4fee\u6b63<span class=\"nt\">&lt;\/button&gt;&lt;\/a&gt;<\/span>\r\n    <span class=\"nt\">&lt;button<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"postcall('DEL_TODO',todo.id)\"<\/span><span class=\"nt\">&gt;<\/span>\u524a\u9664<span class=\"nt\">&lt;\/button&gt;<\/span>\r\n  <span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528\u54cd\u5e94\u5f0f\u8868\u5355\u6765\u63a7\u5236CRUD\u3002<\/h2>\n<p>\u5728Angular13\u4e2d\u8fdb\u884c\u4e86\u8bd5\u9a8c\u6027\u5b9e\u65bd\uff0c\u7136\u540e\u5728Angular14\u4e2d\u6b63\u5f0f\u5b9e\u65bd\u7684\u54cd\u5e94\u5f0f\u8868\u5355\u7684\u89e3\u91ca\u4ece\u8fd9\u91cc\u5f00\u59cb\u3002\u7b80\u5355\u5730\u8bf4\uff0c\u54cd\u5e94\u5f0f\u8868\u5355\u662f\u4e00\u79cd\u9884\u5148\u8bbe\u8ba1\u8868\u5355\u7ed3\u6784\u7684\u529f\u80fd\uff0c\u5728Angular\u4e0a\u53ef\u4ee5\u5c06\u8868\u5355\u63a7\u5236\u66f4\u52a0\u6e05\u6670\u5730\u5206\u7ec4\uff0c\u5e76\u4e14\u53ef\u4ee5\u9884\u5148\u8bbe\u7f6e\u503c\u6216\u8005\u6309\u7ec4\u83b7\u53d6\u8f93\u5165\u540e\u7684\u503c\u3002\u6b64\u5916\uff0c\u572813\u7248\u672c\u4e2d\u5b58\u5728\u4e00\u4e9bTypeScript\u63a7\u5236\u65b9\u9762\u7684\u95ee\u9898\uff0c\u4f46\u572814\u7248\u672c\u4e2d\u5df2\u8fdb\u884c\u4e86\u6539\u8fdb\u3002<\/p>\n<p>\u5728\u8fd9\u91cc\uff0c\u6709\u4e00\u4e9b\u9700\u8981\u6ce8\u610f\u7684\u70b9\u5173\u4e8e\u72ec\u7acb\u7ec4\u4ef6\u7684\u63cf\u8ff0\u3002\u5bf9\u4e8e\u72ec\u7acb\u7ec4\u4ef6\uff0c\u5728\u4ee3\u7801\u4e2d\u9700\u8981\u5f15\u5165\u4e00\u4e2a\u540d\u4e3aReactiveFormModule\u7684\u6a21\u5757\uff08\u5728\u793a\u4f8b\u4e2d\u5df2\u5305\u542b\u5728\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u4e2d\uff09\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u5bfc\u5165\u4e00\u4e9b\u5404\u79cd\u5bf9\u8c61\uff0c\u5982FormGroup\u548cFormControl\uff08\u5bf9\u4e8e\u72ec\u7acb\u7ec4\u4ef6\uff0c\u4e0d\u9700\u8981\u5bfc\u5165FormsModule\uff09\u3002<\/p>\n<h3>\u65b0\u5efaTodo\u6ce8\u518c<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CustomModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/custom.module<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">TodoService<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/services\/todo-service<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">Router<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Data<\/span><span class=\"p\">,<\/span><span class=\"nx\">Todos<\/span><span class=\"p\">,<\/span><span class=\"nx\">Params<\/span><span class=\"p\">,<\/span><span class=\"nx\">Status<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/todo-types\/types_todo<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">FormGroup<\/span><span class=\"p\">,<\/span><span class=\"nx\">FormControl<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/forms<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">standalone<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">CustomModule<\/span><span class=\"p\">],<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/add-todo.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/add-todo.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">AddTodoComponent<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">todos<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Todos<\/span>\r\n  <span class=\"nx\">data<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Data<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nx\">svs<\/span><span class=\"p\">:<\/span><span class=\"nx\">TodoService<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nx\">rtr<\/span><span class=\"p\">:<\/span><span class=\"nx\">Router<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">svs<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub<\/span><span class=\"p\">.<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">((<\/span><span class=\"nx\">v<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">todos<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">v<\/span><span class=\"p\">})<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"c1\">\/\/\u30c0\u30a4\u30ec\u30af\u30c8\u306b\u5909\u6570\u3092\u4ee3\u5165\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b<\/span>\r\n  <span class=\"nx\">date<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Date<\/span><span class=\"p\">()<\/span>\r\n  <span class=\"nx\">setid<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">date<\/span><span class=\"p\">.<\/span><span class=\"nf\">getTime<\/span><span class=\"p\">()<\/span>\r\n  <span class=\"nx\">todoForm<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">FormGroup<\/span><span class=\"p\">({<\/span>\r\n    <span class=\"na\">title<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">FormControl<\/span><span class=\"o\">&lt;<\/span><span class=\"kr\">string<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"dl\">''<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"na\">description<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">FormControl<\/span><span class=\"o\">&lt;<\/span><span class=\"kr\">string<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"dl\">''<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"na\">str_status<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">FormControl<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Status<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">waiting<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">})<\/span>\r\n  <span class=\"nf\">sendData<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">todoForm<\/span><span class=\"p\">.<\/span><span class=\"nx\">value<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">id<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">setid<\/span> \r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">svs<\/span><span class=\"p\">.<\/span><span class=\"nf\">todoReducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,{...<\/span><span class=\"nx\">data<\/span><span class=\"p\">,<\/span><span class=\"nx\">id<\/span><span class=\"p\">})<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">rtr<\/span><span class=\"p\">.<\/span><span class=\"nf\">navigate<\/span><span class=\"p\">([<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/<\/span><span class=\"dl\">'<\/span><span class=\"p\">])<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u6a21\u677f\u7684\u63cf\u8ff0<\/h3>\n<p>\u6a21\u677f\u4e0d\u518d\u652f\u6301\u53cc\u5411\u7ed1\u5b9a\uff0c\u5fc5\u987b\u4f7f\u7528formGroup\u548cformControlName\u8fd9\u4e24\u4e2a\u5c5e\u6027\u8fdb\u884c\u63a7\u5236\u3002formControlName\u5c5e\u6027\u4e0a\u7684\u540d\u79f0\u5c06\u6210\u4e3a\u6240\u5c5e\u4e8eformGroup\u4e2d\u6307\u5b9a\u7684\u7ec4\u540d\u7684\u8868\u5355\u540d\u79f0\u3002\u8fd9\u4e9b\u5c5e\u6027\u5fc5\u987b\u4e0e\u4e4b\u524d\u5728\u7ec4\u4ef6\u6587\u4ef6\u4e2d\u8bbe\u8ba1\u7684\u8868\u5355\u76f8\u5339\u914d\u3002<\/p>\n<p>\u5177\u4f53\u6765\u8bf4\uff0c\u5c5e\u4e8e\u8868\u5355\u7ec4\u540d\u4e3atodoForm\u7684\u5404\u79cd\u5c5e\u6027\u5305\u62ec\u6807\u9898\u3001\u63cf\u8ff0\u548c\u72b6\u6001\u3002<\/p>\n<p>\u203b\u6211\u4e0d\u77e5\u9053\u539f\u56e0\uff0c\u4f46\u7ec4\u4ef6\u4f7f\u7528\u5e15\u65af\u5361\u547d\u540d\u6cd5\uff08FormHoge\uff09\uff0c\u800c\u5c5e\u6027\u4f7f\u7528\u9a7c\u5cf0\u547d\u540d\u6cd5\uff08formHoge\uff09\u8fdb\u884c\u63cf\u8ff0\u3002\u8bf7\u6ce8\u610f\u8fd9\u4e00\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;h2&gt;<\/span>TODO\u306e\u4f5c\u6210<span class=\"nt\">&lt;\/h2&gt;<\/span>\r\n<span class=\"nt\">&lt;form<\/span> <span class=\"na\">[formGroup]=<\/span><span class=\"s\">\"todoForm\"<\/span> <span class=\"na\">(ngSubmit)=<\/span><span class=\"s\">\"sendData('ADD_TODO')\"<\/span><span class=\"nt\">&gt;<\/span>\r\n<span class=\"nt\">&lt;div&gt;<\/span>\r\n  <span class=\"nt\">&lt;label<\/span> <span class=\"na\">for=<\/span><span class=\"s\">\"title\"<\/span><span class=\"nt\">&gt;<\/span> ID<span class=\"nt\">&lt;\/label&gt;<\/span>\r\n  <span class=\"nt\">&lt;input<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"text\"<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"title\"<\/span> <span class=\"na\">[value]=<\/span><span class=\"s\">\"setid\"<\/span> <span class=\"na\">readonly<\/span> <span class=\"nt\">\/&gt;<\/span>\r\n<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<span class=\"nt\">&lt;div&gt;<\/span>\r\n  <span class=\"nt\">&lt;label<\/span> <span class=\"na\">for=<\/span><span class=\"s\">\"title\"<\/span><span class=\"nt\">&gt;<\/span> \u30bf\u30a4\u30c8\u30eb<span class=\"nt\">&lt;\/label&gt;<\/span>\r\n  <span class=\"nt\">&lt;input<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"text\"<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"title\"<\/span> <span class=\"na\">formControlName=<\/span><span class=\"s\">\"title\"<\/span> <span class=\"nt\">\/&gt;<\/span>\r\n<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<span class=\"nt\">&lt;div&gt;<\/span>\r\n  <span class=\"nt\">&lt;label<\/span> <span class=\"na\">for=<\/span><span class=\"s\">\"description\"<\/span><span class=\"nt\">&gt;&lt;\/label&gt;<\/span>\r\n  <span class=\"nt\">&lt;textarea<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"description\"<\/span> <span class=\"na\">formControlName=<\/span><span class=\"s\">\"description\"<\/span> <span class=\"nt\">&gt;&lt;\/textarea&gt;<\/span>\r\n  <span class=\"nt\">&lt;\/div&gt;<\/span>\r\n  <span class=\"nt\">&lt;div&gt;<\/span>\r\n  <span class=\"nt\">&lt;label<\/span> <span class=\"na\">for=<\/span><span class=\"s\">\"status\"<\/span><span class=\"nt\">&gt;<\/span>\u30b9\u30c6\u30fc\u30bf\u30b9<span class=\"nt\">&lt;\/label&gt;<\/span>\r\n  <span class=\"nt\">&lt;select<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"status\"<\/span>  <span class=\"na\">formControlName=<\/span><span class=\"s\">\"str_status\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    <span class=\"nt\">&lt;option<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"waiting\"<\/span><span class=\"nt\">&gt;<\/span>waiting<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n    <span class=\"nt\">&lt;option<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"working\"<\/span><span class=\"nt\">&gt;<\/span>working<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n    <span class=\"nt\">&lt;option<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"completed\"<\/span><span class=\"nt\">&gt;<\/span>completed<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n    <span class=\"nt\">&lt;option<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"pending\"<\/span><span class=\"nt\">&gt;<\/span>pending<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n  <span class=\"nt\">&lt;\/select&gt;<\/span>\r\n<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<span class=\"nt\">&lt;button<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"submit\"<\/span><span class=\"nt\">&gt;<\/span>\u4f5c\u6210\u3059\u308b<span class=\"nt\">&lt;\/button&gt;<\/span>\r\n<span class=\"nt\">&lt;\/form&gt;<\/span>\r\n<\/code><\/pre>\n<h3>\u5c06\u586b\u5199\u7684\u8868\u5355\u503c\u8fdb\u884c\u4f20\u8f93<\/h3>\n<p>\u5c06\u8868\u5355\u7684\u503c\u4f20\u9012\u7ed9\u5d4c\u5165\u5728form\u6807\u7b7e\u4e2d\u7684ngSubmit\u6307\u4ee4\u4e2d\u7684sendData\u3002sendData\u5982\u4e0b\u6240\u8ff0\uff0c\u5b58\u50a8\u5728\u8868\u5355\u7ec4\u7684\u539f\u578b\u4e2d\u7684value\u5c5e\u6027\u4e2d\u3002\u7136\u540e\u53ea\u9700\u5c06\u5176\u53d1\u9001\u5230\u63a7\u5236\u670d\u52a1\u6587\u4ef6\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"nf\">sendData<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">todoForm<\/span><span class=\"p\">.<\/span><span class=\"nx\">value<\/span> <span class=\"c1\">\/\/\u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b\u3055\u308c\u305f\u5024<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">svs<\/span><span class=\"p\">.<\/span><span class=\"nf\">todoReducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span> <span class=\"c1\">\/\/\u30b5\u30fc\u30d3\u30b9\u4e0a\u306e\u30e1\u30bd\u30c3\u30c9\u3078\u8ee2\u9001<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">rtr<\/span><span class=\"p\">.<\/span><span class=\"nf\">navigate<\/span><span class=\"p\">([<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/<\/span><span class=\"dl\">'<\/span><span class=\"p\">])<\/span> <span class=\"c1\">\/\/TOP\u753b\u9762\u3078\u9077\u79fb<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u4fee\u6b63\u6587\u4ef6\u7684\u63a7\u5236<\/h3>\n<p>\u90a3\u4e48\uff0c\u5bf9\u4e8e\u4fee\u6b63\u6587\u4ef6\uff0c\u5e94\u8be5\u5982\u4f55\u8fdb\u884c\u63a7\u5236\u5462\uff1f\u5728\u4fee\u6b63\u6587\u4ef6\u7684\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u9996\u5148\u5c06\u76f8\u5e94\u7684\u503c\u8fd4\u56de\u5230\u8868\u5355\u4e2d\uff0c\u8fd9\u65f6\u53ef\u4ee5\u4f7f\u7528patchValue\u65b9\u6cd5\uff0c\u5b83\u4f1a\u5bf9\u76ee\u6807\u8868\u5355\u5c5e\u6027\u8fdb\u884c\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n<p>\u6709\u4e00\u4e2a\u540d\u4e3asetValue\u7684\u65b9\u6cd5\uff0c\u4f46\u662f\u5b83\u9700\u8981\u8bbe\u7f6e\u6240\u6709\u5c5e\u6027\u3002\u4f46\u662f\u8fd9\u6b21\u6211\u4eec\u6682\u65f6\u4e0d\u9700\u8981\u8fd4\u56deid\u5230\u6a21\u677f\u4e2d\uff0c\u5982\u679c\u4f7f\u7528setValue\u53cd\u800c\u4f1a\u51fa\u73b0\u7c7b\u578b\u4e0d\u5339\u914d\u7684\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CustomModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/custom.module<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span><span class=\"nx\">TodoService<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/services\/todo-service<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">,<\/span><span class=\"nx\">Router<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/router<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Data<\/span><span class=\"p\">,<\/span><span class=\"nx\">Params<\/span><span class=\"p\">,<\/span><span class=\"nx\">Todos<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/todo-types\/types_todo<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">FormGroup<\/span><span class=\"p\">,<\/span><span class=\"nx\">FormControl<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/forms<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-edit-todo<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">standalone<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nx\">CustomModule<\/span><span class=\"p\">],<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/edit-todo.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/edit-todo.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">EditTodoComponent<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">todos<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/span>\r\n  <span class=\"nx\">data<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Data<\/span>\r\n  <span class=\"nx\">todoForm<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">FormGroup<\/span><span class=\"p\">({<\/span>\r\n    <span class=\"na\">id<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">FormControl<\/span><span class=\"p\">(<\/span><span class=\"kc\">null<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"na\">title<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">FormControl<\/span><span class=\"p\">(<\/span><span class=\"dl\">''<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"na\">description<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">FormControl<\/span><span class=\"p\">(<\/span><span class=\"dl\">''<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"na\">str_status<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">FormControl<\/span><span class=\"p\">(<\/span><span class=\"dl\">''<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">})<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nx\">svs<\/span><span class=\"p\">:<\/span><span class=\"nx\">TodoService<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nx\">rt<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ActivatedRoute<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nx\">rtr<\/span><span class=\"p\">:<\/span><span class=\"nx\">Router<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">svs<\/span><span class=\"p\">.<\/span><span class=\"nx\">sub<\/span><span class=\"p\">.<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">((<\/span><span class=\"nx\">v<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">todos<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">v<\/span><span class=\"p\">})<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">id<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Number<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">rt<\/span><span class=\"p\">.<\/span><span class=\"nx\">snapshot<\/span><span class=\"p\">.<\/span><span class=\"nx\">params<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">todos<\/span><span class=\"p\">.<\/span><span class=\"nf\">find<\/span><span class=\"p\">((<\/span><span class=\"nx\">item<\/span><span class=\"p\">)<\/span><span class=\"o\">=&gt;<\/span><span class=\"nx\">item<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">id<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">todoForm<\/span><span class=\"p\">.<\/span><span class=\"nf\">patchValue<\/span><span class=\"p\">(<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Params<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">{<\/span>\r\n      <span class=\"na\">title<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">title<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"na\">description<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">description<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"na\">str_status<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">str_status<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">})<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"nf\">sendData<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">todoForm<\/span><span class=\"p\">.<\/span><span class=\"nf\">patchValue<\/span><span class=\"p\">({<\/span>\r\n      <span class=\"na\">id<\/span><span class=\"p\">:<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span>\r\n    <span class=\"p\">})<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">todoForm<\/span><span class=\"p\">.<\/span><span class=\"nx\">value<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">svs<\/span><span class=\"p\">.<\/span><span class=\"nf\">todoReducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">mode<\/span><span class=\"p\">,<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">rtr<\/span><span class=\"p\">.<\/span><span class=\"nf\">navigate<\/span><span class=\"p\">([<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/<\/span><span class=\"dl\">'<\/span><span class=\"p\">])<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"nf\">backto<\/span><span class=\"p\">(){<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">rtr<\/span><span class=\"p\">.<\/span><span class=\"nf\">navigate<\/span><span class=\"p\">([<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/<\/span><span class=\"dl\">'<\/span><span class=\"p\">])<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u66f4\u65b0\u503c\u65f6\uff0c\u4e0d\u8981\u5fd8\u8bb0\u5bf9id\u5e94\u7528patchValue\u3002\u83b7\u53d6\u901a\u8fc7value\u8f93\u5165\u7684\u8868\u5355\u503c\u9700\u8981\u5728\u8fd4\u56deid\u540e\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0cTypeScript \u7684\u4f18\u70b9\u4e4b\u4e00\u662f\u53ef\u4ee5\u5728\u4e0d\u8fdb\u884c\u8d4b\u503c\u7684\u60c5\u51b5\u4e0b\u5b9a\u4e49\u7c7b\u578b\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7684\u5199\u6cd5\u6765\u5904\u7406\u3002\u5982\u679c\u9700\u8981\u9010\u4e00\u786e\u8ba4\u8868\u5355\u8fd4\u56de\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u524d\u9762\u63d0\u5230\u7684\u65b9\u6cd5\uff1b\u5982\u679c\u8868\u5355\u4e2d\u5e76\u4e0d\u5b58\u5728\u5230\u90a3\u4e2a\u9636\u6bb5\u4e3a\u6b62\u7684\u5185\u5bb9\uff0c\u90a3\u4e48\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u7684\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">todoForm<\/span><span class=\"p\">.<\/span><span class=\"nf\">patchValue<\/span><span class=\"p\">(<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Params<\/span><span class=\"o\">&gt;<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h3>\u7f16\u8f91\u754c\u9762\u6a21\u677f<\/h3>\n<p>\u7f16\u8f91\u7528\u7684\u6a21\u677f\u4e0e\u6ce8\u518c\u7528\u7684\u6a21\u677f\u6ca1\u6709\u533a\u522b\u3002\u867d\u7136\u662f\u7528\u4e8e\u7f16\u8f91\uff0c\u4f46\u662f\u8868\u5355\u7684\u503c\u4f1a\u7531ReactiveForm\u6765\u63a7\u5236\uff0c\u56e0\u6b64\u53ea\u9700\u8981\u4f7f\u7528FormGroup\u5373\u53ef\u6ee1\u8db3\u5c5e\u6027\u7ed1\u5b9a\u7684\u9700\u6c42\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;h2&gt;<\/span>TODO\u306e\u7de8\u96c6<span class=\"nt\">&lt;\/h2&gt;<\/span>\r\n<span class=\"nt\">&lt;form<\/span> <span class=\"na\">[formGroup]=<\/span><span class=\"s\">\"todoForm\"<\/span> <span class=\"na\">(ngSubmit)=<\/span><span class=\"s\">\"sendData('UPD_TODO')\"<\/span><span class=\"nt\">&gt;<\/span>\r\n<span class=\"nt\">&lt;div&gt;<\/span>\r\n  <span class=\"nt\">&lt;label<\/span> <span class=\"na\">for=<\/span><span class=\"s\">\"title\"<\/span><span class=\"nt\">&gt;<\/span> \u30bf\u30a4\u30c8\u30eb<span class=\"nt\">&lt;\/label&gt;<\/span>\r\n  <span class=\"nt\">&lt;input<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"text\"<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"title\"<\/span> <span class=\"na\">formControlName=<\/span><span class=\"s\">\"title\"<\/span> <span class=\"nt\">\/&gt;<\/span>\r\n<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<span class=\"nt\">&lt;div&gt;<\/span>\r\n  <span class=\"nt\">&lt;label<\/span> <span class=\"na\">for=<\/span><span class=\"s\">\"description\"<\/span><span class=\"nt\">&gt;&lt;\/label&gt;<\/span>\r\n  <span class=\"nt\">&lt;textarea<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"description\"<\/span> <span class=\"na\">formControlName=<\/span><span class=\"s\">\"description\"<\/span> <span class=\"nt\">&gt;&lt;\/textarea&gt;<\/span>\r\n  <span class=\"nt\">&lt;\/div&gt;<\/span>\r\n  <span class=\"nt\">&lt;div&gt;<\/span>\r\n  <span class=\"nt\">&lt;label<\/span> <span class=\"na\">for=<\/span><span class=\"s\">\"status\"<\/span><span class=\"nt\">&gt;<\/span>\u30b9\u30c6\u30fc\u30bf\u30b9<span class=\"nt\">&lt;\/label&gt;<\/span>\r\n  <span class=\"nt\">&lt;select<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"status\"<\/span>  <span class=\"na\">formControlName=<\/span><span class=\"s\">\"str_status\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    <span class=\"nt\">&lt;option<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"waiting\"<\/span><span class=\"nt\">&gt;<\/span>waiting<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n    <span class=\"nt\">&lt;option<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"working\"<\/span><span class=\"nt\">&gt;<\/span>working<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n    <span class=\"nt\">&lt;option<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"completed\"<\/span><span class=\"nt\">&gt;<\/span>completed<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n    <span class=\"nt\">&lt;option<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"pending\"<\/span><span class=\"nt\">&gt;<\/span>pending<span class=\"nt\">&lt;\/option&gt;<\/span>\r\n  <span class=\"nt\">&lt;\/select&gt;<\/span>\r\n<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<span class=\"nt\">&lt;button<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"submit\"<\/span><span class=\"nt\">&gt;<\/span>\u66f4\u65b0\u3059\u308b<span class=\"nt\">&lt;\/button&gt;<\/span>\r\n<span class=\"nt\">&lt;\/form&gt;<\/span>\r\n<span class=\"nt\">&lt;button<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"backto()\"<\/span><span class=\"nt\">&gt;<\/span>\u623b\u308b<span class=\"nt\">&lt;\/button&gt;<\/span>\r\n<\/code><\/pre>\n<h3>\u5982\u679cAngular 14\u7684\u542f\u52a8\u6216\u66f4\u65b0\u901f\u5ea6\u8f83\u6162\uff0c\u8865\u6551\u63aa\u65bd\u5982\u4e0b\uff1a<\/h3>\n<p>\u5982\u679c\u5728Angular.json\u4e2d\u542f\u52a8\u6216\u66f4\u65b0\u5f88\u6162\u7684\u60c5\u51b5\u4e0b\uff0c\u8c03\u6574\u4ee5\u4e0b\u5185\u5bb9\u4f3c\u4e4e\u4f1a\u6709\u6240\u5e2e\u52a9\u3002\u867d\u7136\u8fd9\u662f\u5173\u4e8eAngular 12\u7684\u6587\u7ae0\uff0c\u4f46\u901a\u8fc7\u4f7f\u7528ng update\u8fdb\u884c\u66f4\u65b0\u65f6\uff0c\u4f3c\u4e4e\u4f1a\u7ee7\u627f12\u7684\u914d\u7f6e\u3002<\/p>\n<p>\u542f\u52a8\u65f6\u95f4\u5df2\u7ecf\u4ece\u4e4b\u524d\u7684\u7ea630\u79d2\uff0c\u7f29\u77ed\u5230\u4e86\u5927\u7ea63\u79d2\u5de6\u53f3\u3002<\/p>\n<p>\u5728\u5347\u7ea7\u5230Angular v12\u4e4b\u540e\uff0c\u52a0\u5feb\u5f00\u53d1\u670d\u52a1\u5668\u7684\u53d1\u5c55\u901f\u5ea6\u3002<\/p>\n<details>Angular.json<br \/>\n&#8220;`json:Angular.json<br \/>\n{<br \/>\n&#8220;$schema&#8221;: &#8220;.\/node_modules\/@angular\/cli\/lib\/config\/schema.json&#8221;,<br \/>\n&#8220;version&#8221;: 1,<br \/>\n&#8220;newProjectRoot&#8221;: &#8220;projects&#8221;,<br \/>\n&#8220;projects&#8221;: {<br \/>\n&#8220;MyAngular&#8221;: {<br \/>\n&#8220;root&#8221;: &#8220;&#8221;,<br \/>\n&#8220;sourceRoot&#8221;: &#8220;src&#8221;,<br \/>\n&#8220;projectType&#8221;: &#8220;application&#8221;,<br \/>\n&#8220;prefix&#8221;: &#8220;app&#8221;,<br \/>\n&#8220;schematics&#8221;: {},<br \/>\n&#8220;targets&#8221;: {<br \/>\n&#8220;build&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:browser&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;outputPath&#8221;: &#8220;dist\/MyAngular&#8221;,<br \/>\n&#8220;index&#8221;: &#8220;src\/index.html&#8221;,<br \/>\n&#8220;main&#8221;: &#8220;src\/main.ts&#8221;,<br \/>\n&#8220;polyfills&#8221;: &#8220;src\/polyfills.ts&#8221;,<br \/>\n&#8220;tsConfig&#8221;: &#8220;src\/tsconfig.app.json&#8221;,<br \/>\n&#8220;assets&#8221;: [<br \/>\n&#8220;src\/favicon.ico&#8221;,<br \/>\n&#8220;src\/assets&#8221;<br \/>\n],<br \/>\n&#8220;styles&#8221;: [<br \/>\n&#8220;src\/styles.css&#8221;,<br \/>\n{<br \/>\n&#8220;input&#8221;: &#8220;.\/node_modules\/bootstrap\/dist\/css\/bootstrap.css&#8221;,<br \/>\n&#8220;inject&#8221;: true<br \/>\n}<br \/>\n],<br \/>\n&#8220;scripts&#8221;: []<br \/>\n},<br \/>\n&#8220;configurations&#8221;: {<br \/>\n&#8220;production&#8221;: {<br \/>\n&#8220;fileReplacements&#8221;: [<br \/>\n{<br \/>\n&#8220;replace&#8221;: &#8220;src\/environments\/environment.ts&#8221;,<br \/>\n&#8220;with&#8221;: &#8220;src\/environments\/environment.prod.ts&#8221;<br \/>\n}<br \/>\n],<br \/>\n&#8220;optimization&#8221;: false,<br \/>\n&#8220;outputHashing&#8221;: &#8220;all&#8221;,<br \/>\n&#8220;sourceMap&#8221;: true,<br \/>\n&#8220;namedChunks&#8221;: false,<br \/>\n&#8220;aot&#8221;: true,<br \/>\n&#8220;extractLicenses&#8221;: false,<br \/>\n&#8220;vendorChunk&#8221;: true,<br \/>\n&#8220;buildOptimizer&#8221;: false,<br \/>\n}<br \/>\n},<br \/>\n&#8220;defaultConfiguration&#8221;: &#8220;production&#8221;,<br \/>\n},<br \/>\n&#8220;serve&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:dev-server&#8221;,<br \/>\n&#8220;defaultConfiguration&#8221;: &#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;browserTarget&#8221;: &#8220;MyAngular:build&#8221;,<br \/>\n&#8220;host&#8221;: &#8220;0.0.0.0&#8221;,<br \/>\n&#8220;port&#8221;: 8080,<br \/>\n},<br \/>\n&#8220;configurations&#8221;: {<br \/>\n&#8220;production&#8221;: {<br \/>\n&#8220;browserTarget&#8221;: &#8220;MyAngular:build:production&#8221;<br \/>\n}<br \/>\n}<br \/>\n},<br \/>\n&#8220;extract-i18n&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:extract-i18n&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;browserTarget&#8221;: &#8220;MyAngular:build&#8221;<br \/>\n}<br \/>\n},<br \/>\n&#8220;test&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:karma&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;main&#8221;: &#8220;src\/test.ts&#8221;,<br \/>\n&#8220;polyfills&#8221;: &#8220;src\/polyfills.ts&#8221;,<br \/>\n&#8220;tsConfig&#8221;: &#8220;src\/tsconfig.spec.json&#8221;,<br \/>\n&#8220;karmaConfig&#8221;: &#8220;src\/karma.conf.js&#8221;,<br \/>\n&#8220;styles&#8221;: [<br \/>\n&#8220;src\/styles.css&#8221;<br \/>\n],<br \/>\n&#8220;scripts&#8221;: [],<br \/>\n&#8220;assets&#8221;: [<br \/>\n&#8220;src\/favicon.ico&#8221;,<br \/>\n&#8220;src\/assets&#8221;<br \/>\n]<br \/>\n}<br \/>\n},<br \/>\n&#8220;lint&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:tslint&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;tsConfig&#8221;: [<br \/>\n&#8220;src\/tsconfig.app.json&#8221;,<br \/>\n&#8220;src\/tsconfig.spec.json&#8221;<br \/>\n],<br \/>\n&#8220;exclude&#8221;: [<br \/>\n&#8220;**\/node_modules\/**&#8221;<br \/>\n]<br \/>\n}<br \/>\n}<br \/>\n}<br \/>\n},<br \/>\n&#8220;MyAngular-e2e&#8221;: {<br \/>\n&#8220;root&#8221;: &#8220;e2e\/&#8221;,<br \/>\n&#8220;projectType&#8221;: &#8220;application&#8221;,<br \/>\n&#8220;targets&#8221;: {<br \/>\n&#8220;e2e&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:protractor&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;protractorConfig&#8221;: &#8220;e2e\/protractor.conf.js&#8221;,<br \/>\n&#8220;devServerTarget&#8221;: &#8220;MyAngular:serve&#8221;<br \/>\n},<br \/>\n&#8220;configurations&#8221;: {<br \/>\n&#8220;production&#8221;: {<br \/>\n&#8220;devServerTarget&#8221;: &#8220;MyAngular:serve:production&#8221;<br \/>\n}<br \/>\n}<br \/>\n},<br \/>\n&#8220;lint&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:tslint&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;tsConfig&#8221;: &#8220;e2e\/tsconfig.e2e.json&#8221;,<br \/>\n&#8220;exclude&#8221;: [<br \/>\n&#8220;**\/node_modules\/**&#8221;<br \/>\n]<br \/>\n}<br \/>\n}<br \/>\n}<br \/>\n}<br \/>\n},<br \/>\n&#8220;defaultProject&#8221;: &#8220;MyAngular&#8221;,<br \/>\n&#8220;cli&#8221;: {<br \/>\n&#8220;analytics&#8221;: false<br \/>\n}<br \/>\n}<br \/>\n&#8220;`<br \/>\nAngular.json<br \/>\n&#8220;`json:Angular.json<br \/>\n{<br \/>\n&#8220;$schema&#8221;: &#8220;.\/node_modules\/@angular\/cli\/lib\/config\/schema.json&#8221;,<br \/>\n&#8220;version&#8221;: 1,<br \/>\n&#8220;newProjectRoot&#8221;: &#8220;projects&#8221;,<br \/>\n&#8220;projects&#8221;: {<br \/>\n&#8220;MyAngular&#8221;: {<br \/>\n&#8220;root&#8221;: &#8220;&#8221;,<br \/>\n&#8220;sourceRoot&#8221;: &#8220;src&#8221;,<br \/>\n&#8220;projectType&#8221;: &#8220;application&#8221;,<br \/>\n&#8220;prefix&#8221;: &#8220;app&#8221;,<br \/>\n&#8220;schematics&#8221;: {},<br \/>\n&#8220;targets&#8221;: {<br \/>\n&#8220;build&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:browser&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;outputPath&#8221;: &#8220;dist\/MyAngular&#8221;,<br \/>\n&#8220;index&#8221;: &#8220;src\/index.html&#8221;,<br \/>\n&#8220;main&#8221;: &#8220;src\/main.ts&#8221;,<br \/>\n&#8220;polyfills&#8221;: &#8220;src\/polyfills.ts&#8221;,<br \/>\n&#8220;tsConfig&#8221;: &#8220;src\/tsconfig.app.json&#8221;,<br \/>\n&#8220;assets&#8221;: [<br \/>\n&#8220;src\/favicon.ico&#8221;,<br \/>\n&#8220;src\/assets&#8221;<br \/>\n],<br \/>\n&#8220;styles&#8221;: [<br \/>\n&#8220;src\/styles.css&#8221;,<br \/>\n{<br \/>\n&#8220;input&#8221;: &#8220;.\/node_modules\/bootstrap\/dist\/css\/bootstrap.css&#8221;,<br \/>\n&#8220;inject&#8221;: true<br \/>\n}<br \/>\n],<br \/>\n&#8220;scripts&#8221;: []<br \/>\n},<br \/>\n&#8220;configurations&#8221;: {<br \/>\n&#8220;production&#8221;: {<br \/>\n&#8220;fileReplacements&#8221;: [<br \/>\n{<br \/>\n&#8220;replace&#8221;: &#8220;src\/environments\/environment.ts&#8221;,<br \/>\n&#8220;with&#8221;: &#8220;src\/environments\/environment.prod.ts&#8221;<br \/>\n}<br \/>\n],<br \/>\n&#8220;optimization&#8221;: false,<br \/>\n&#8220;outputHashing&#8221;: &#8220;all&#8221;,<br \/>\n&#8220;sourceMap&#8221;: true,<br \/>\n&#8220;namedChunks&#8221;: false,<br \/>\n&#8220;aot&#8221;: true,<br \/>\n&#8220;extractLicenses&#8221;: false,<br \/>\n&#8220;vendorChunk&#8221;: true,<br \/>\n&#8220;buildOptimizer&#8221;: false,<br \/>\n}<br \/>\n},<br \/>\n&#8220;defaultConfiguration&#8221;: &#8220;production&#8221;,<br \/>\n},<br \/>\n&#8220;serve&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:dev-server&#8221;,<br \/>\n&#8220;defaultConfiguration&#8221;: &#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;browserTarget&#8221;: &#8220;MyAngular:build&#8221;,<br \/>\n&#8220;host&#8221;: &#8220;0.0.0.0&#8221;,<br \/>\n&#8220;port&#8221;: 8080,<br \/>\n},<br \/>\n&#8220;configurations&#8221;: {<br \/>\n&#8220;production&#8221;: {<br \/>\n&#8220;browserTarget&#8221;: &#8220;MyAngular:build:production&#8221;<br \/>\n}<br \/>\n}<br \/>\n},<br \/>\n&#8220;extract-i18n&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:extract-i18n&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;browserTarget&#8221;: &#8220;MyAngular:build&#8221;<br \/>\n}<br \/>\n},<br \/>\n&#8220;test&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:karma&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;main&#8221;: &#8220;src\/test.ts&#8221;,<br \/>\n&#8220;polyfills&#8221;: &#8220;src\/polyfills.ts&#8221;,<br \/>\n&#8220;tsConfig&#8221;: &#8220;src\/tsconfig.spec.json&#8221;,<br \/>\n&#8220;karmaConfig&#8221;: &#8220;src\/karma.conf.js&#8221;,<br \/>\n&#8220;styles&#8221;: [<br \/>\n&#8220;src\/styles.css&#8221;<br \/>\n],<br \/>\n&#8220;scripts&#8221;: [],<br \/>\n&#8220;assets&#8221;: [<br \/>\n&#8220;src\/favicon.ico&#8221;,<br \/>\n&#8220;src\/assets&#8221;<br \/>\n]<br \/>\n}<br \/>\n},<br \/>\n&#8220;lint&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:tslint&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;tsConfig&#8221;: [<br \/>\n&#8220;src\/tsconfig.app.json&#8221;,<br \/>\n&#8220;src\/tsconfig.spec.json&#8221;<br \/>\n],<br \/>\n&#8220;exclude&#8221;: [<br \/>\n&#8220;**\/node_modules\/**&#8221;<br \/>\n]<br \/>\n}<br \/>\n}<br \/>\n}<br \/>\n},<br \/>\n&#8220;MyAngular-e2e&#8221;: {<br \/>\n&#8220;root&#8221;: &#8220;e2e\/&#8221;,<br \/>\n&#8220;projectType&#8221;: &#8220;application&#8221;,<br \/>\n&#8220;targets&#8221;: {<br \/>\n&#8220;e2e&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:protractor&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;protractorConfig&#8221;: &#8220;e2e\/protractor.conf.js&#8221;,<br \/>\n&#8220;devServerTarget&#8221;: &#8220;MyAngular:serve&#8221;<br \/>\n},<br \/>\n&#8220;configurations&#8221;: {<br \/>\n&#8220;production&#8221;: {<br \/>\n&#8220;devServerTarget&#8221;: &#8220;MyAngular:serve:production&#8221;<br \/>\n}<br \/>\n}<br \/>\n},<br \/>\n&#8220;lint&#8221;: {<br \/>\n&#8220;builder&#8221;: &#8220;@angular-devkit\/build-angular:tslint&#8221;,<br \/>\n&#8220;options&#8221;: {<br \/>\n&#8220;tsConfig&#8221;: &#8220;e2e\/tsconfig.e2e.json&#8221;,<br \/>\n&#8220;exclude&#8221;: [<br \/>\n&#8220;**\/node_modules\/**&#8221;<br \/>\n]<br \/>\n}<br \/>\n}<br \/>\n}<br \/>\n}<br \/>\n},<br \/>\n&#8220;defaultProject&#8221;: &#8220;MyAngular&#8221;,<br \/>\n&#8220;cli&#8221;: {<br \/>\n&#8220;analytics&#8221;: false<br \/>\n}<br \/>\n}<br \/>\n&#8220;`<\/details>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u5c06\u524d\u4e00\u7bc7\u6587\u7ae0\u7684\u7eed\u7bc7\u6309\u7167\u5404\u4e2a\u6846\u67b6\u8fdb\u884c\u5206\u7c7b\uff0c\u4ee5\u4fbf\u66f4\u5bb9\u6613\u8ffd\u8e2a\u65f6\u4ee3\u6f6e\u6d41\u53d8\u5316\u7684\u4f5c\u54c1\u3002 jQuery\u611b\u597d\u5bb6\u306e\u305f\u3081\u306eVu [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-38789","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528JS\u6846\u67b6Angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528js\u6846\u67b6angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528JS\u6846\u67b6Angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c\" \/>\n<meta property=\"og:description\" content=\"\u8fd9\u662f\u5c06\u524d\u4e00\u7bc7\u6587\u7ae0\u7684\u7eed\u7bc7\u6309\u7167\u5404\u4e2a\u6846\u67b6\u8fdb\u884c\u5206\u7c7b\uff0c\u4ee5\u4fbf\u66f4\u5bb9\u6613\u8ffd\u8e2a\u65f6\u4ee3\u6f6e\u6d41\u53d8\u5316\u7684\u4f5c\u54c1\u3002 jQuery\u611b\u597d\u5bb6\u306e\u305f\u3081\u306eVu [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528js\u6846\u67b6angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-09T05:58:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-28T22:50:29+00:00\" \/>\n<meta name=\"author\" content=\"\u96c5, \u609f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u96c5, \u609f\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"28 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/\",\"name\":\"\u4f7f\u7528JS\u6846\u67b6Angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-09-09T05:58:03+00:00\",\"dateModified\":\"2024-04-28T22:50:29+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u4f7f\u7528JS\u6846\u67b6Angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6\",\"name\":\"\u96c5, \u609f\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g\",\"caption\":\"\u96c5, \u609f\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yawu\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u4f7f\u7528JS\u6846\u67b6Angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528js\u6846\u67b6angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c\u3002\/","og_locale":"zh_CN","og_type":"article","og_title":"\u4f7f\u7528JS\u6846\u67b6Angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c","og_description":"\u8fd9\u662f\u5c06\u524d\u4e00\u7bc7\u6587\u7ae0\u7684\u7eed\u7bc7\u6309\u7167\u5404\u4e2a\u6846\u67b6\u8fdb\u884c\u5206\u7c7b\uff0c\u4ee5\u4fbf\u66f4\u5bb9\u6613\u8ffd\u8e2a\u65f6\u4ee3\u6f6e\u6d41\u53d8\u5316\u7684\u4f5c\u54c1\u3002 jQuery\u611b\u597d\u5bb6\u306e\u305f\u3081\u306eVu [&hellip;]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528js\u6846\u67b6angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c\u3002\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-09-09T05:58:03+00:00","article_modified_time":"2024-04-28T22:50:29+00:00","author":"\u96c5, \u609f","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u96c5, \u609f","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"28 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/","name":"\u4f7f\u7528JS\u6846\u67b6Angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-09-09T05:58:03+00:00","dateModified":"2024-04-28T22:50:29+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"\u4f7f\u7528JS\u6846\u67b6Angular\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u6574\u5408\u7248\u672c"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6","name":"\u96c5, \u609f","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g","caption":"\u96c5, \u609f"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yawu\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8js%e6%a1%86%e6%9e%b6angular%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e6%95%b4%e5%90%88%e7%89%88%e6%9c%ac%e3%80%82\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/38789","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=38789"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/38789\/revisions"}],"predecessor-version":[{"id":83704,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/38789\/revisions\/83704"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=38789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=38789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=38789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}