{"id":39100,"date":"2023-09-12T22:40:03","date_gmt":"2023-06-27T06:49:58","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%bf%bb%e8%af%91-angular2-%e6%96%87%e6%a1%a3%e6%8c%87%e5%8d%97%e4%b8%ad%e7%9a%84-%e6%9e%b6%e6%9e%84%e6%a6%82%e8%bf%b0-%e4%b8%80%e8%8a%82%e3%80%82\/"},"modified":"2024-05-03T23:28:27","modified_gmt":"2024-05-03T15:28:27","slug":"%e7%bf%bb%e8%af%91-angular2-%e6%96%87%e6%a1%a3%e6%8c%87%e5%8d%97%e4%b8%ad%e7%9a%84-%e6%9e%b6%e6%9e%84%e6%a6%82%e8%bf%b0-%e4%b8%80%e8%8a%82%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%bf%bb%e8%af%91-angular2-%e6%96%87%e6%a1%a3%e6%8c%87%e5%8d%97%e4%b8%ad%e7%9a%84-%e6%9e%b6%e6%9e%84%e6%a6%82%e8%bf%b0-%e4%b8%80%e8%8a%82%e3%80%82\/","title":{"rendered":"\u7ffb\u8bd1 Angular2 \u6587\u6863\u6307\u5357\u4e2d\u7684 [\u67b6\u6784\u6982\u8ff0] \u4e00\u8282"},"content":{"rendered":"<h1>\u8bdd\u9898<\/h1>\n<p>\u8fd9\u662fAngular2\u6838\u5fc3\u6587\u6863\u6307\u5357\u7684\u7ffb\u8bd1\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">DOCUMENTATION OVERVIEW &#8211; \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6982\u8981 &#8211;<\/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\">ARCHITECTURE OVERVIEW &#8211; \u69cb\u6587\u6982\u8981 &#8211;<\/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\">DISPLAYING DATA &#8211; \u30c7\u30fc\u30bf\u8868\u793a &#8211;<\/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\">USER INPUT &#8211; \u30e6\u30fc\u30b6\u30fc\u5165\u529b &#8211;<\/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\">FORMS &#8211; \u30d5\u30a9\u30fc\u30e0 &#8211;<\/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\">DEPENDENCY INJECTION &#8211; \u4f9d\u5b58\u6027\u6ce8\u5165 &#8211;<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">STYLE GUIDE -\u3000\u30b9\u30bf\u30a4\u30eb\u30ac\u30a4\u30c9 &#8211;<\/ul>\n<p>\u8bf7\u6ce8\u610f\uff0c\u672a\u5728\u6b64\u5904\u5217\u51fa\u7684\u9879\u76ee\uff0c\u8bf7\u76f4\u63a5\u53c2\u8003Angular 2\u6838\u5fc3\u6587\u6863\u6307\u5357\u3002<\/p>\n<p>\u8bf7\u6ce8\u610f2\uff09\u8fd9\u4e2a\u7ffb\u8bd1\u662f\u57fa\u4e8e2016\u5e7410\u67084\u65e5\u7684\u7248\u672c\u3002\u7ffb\u8bd1\u8005\u5728TOEIC\u8003\u8bd5\u4e2d\u53d6\u5f97\u4e86\u5927\u7ea6700\u5206\u7684\u82f1\u8bed\u6c34\u5e73\uff0c\u6240\u4ee5\u82f1\u6587\u7ffb\u8bd1\u53ef\u80fd\u5b58\u5728\u9519\u8bef\u7684\u53ef\u80fd\u6027\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u5730\u65b9\u662f\u76f8\u5f53\u610f\u8bd1\u7684\u3002\u5982\u679c\u6709\u5730\u65b9\u8d85\u51fa\u4e86\u610f\u8bd1\u7684\u8303\u56f4\uff0c\u51fa\u73b0\u4e86\u9519\u8bef\u7ffb\u8bd1\uff0c\u8bf7\u60a8\u6307\u51fa\u3002<\/p>\n<h1>\u5efa\u7b51\u6982\u89c8 &#8211; \u67b6\u6784\u6982\u8ff0 &#8211;<\/h1>\n<blockquote><p>Angular\u5e94\u7528\u7a0b\u5e8f\u7684\u57fa\u7840\u6784\u6210\u8981\u7d20<\/p><\/blockquote>\n<p>Angular\u662f\u4e00\u4e2a\u7528\u4e8e\u6784\u5efa\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u7684\u6846\u67b6\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528HTML\u548cJavaScript\uff0c\u6216\u8005JavaScript\u7f16\u8bd1\u8bed\u8a00\uff08\u5982Dart\u6216TypeScript\uff09\u3002<\/p>\n<p>Angular \u5305\u542b\u4e00\u4e9b\u6838\u5fc3\u5e93\u548c\u53ef\u9009\u5e93\u3002\u6784\u5efa Angular \u5e94\u7528\u65f6\uff0c\u9996\u5148\u9700\u8981\u521b\u5efa\u4f7f\u7528 Angular \u6807\u8bb0\u7684 HTML \u6a21\u677f\uff0c\u5e76\u7f16\u5199\u7ba1\u7406\u8fd9\u4e9b\u6a21\u677f\u7684\u7ec4\u4ef6\u7c7b\u3002\u7136\u540e\u52a0\u5165\u5e94\u7528\u903b\u8f91\u5230\u670d\u52a1\u4e2d\uff0c\u5e76\u5c06\u7ec4\u4ef6\u548c\u670d\u52a1\u6dfb\u52a0\u5230\u6a21\u5757\u4e2d\u3002<\/p>\n<p>\u5f53\u60a8\u542f\u52a8\u6839\u6a21\u5757\u5e76\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f\u540e\uff0c\u5b83\u5c06\u63a5\u7ba1\u60a8\u5728\u6d4f\u89c8\u5668\u4e2d\u4fdd\u6301\u7684\u72b6\u6001\uff0c\u4ee5\u54cd\u5e94\u60a8\u53d1\u51fa\u7684\u7528\u6237\u4ea4\u4e92\u3002<\/p>\n<p>\u5f53\u7136\uff0cAngular\u4ecd\u7136\u6709\u8bb8\u591a\u9700\u8981\u638c\u63e1\u7684\u5185\u5bb9\u3002\u8ba9\u6211\u4eec\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u5728\u8fd9\u4e2a\u9875\u9762\u4e0a\u8be6\u7ec6\u5b66\u4e60\u5b83\u4eec\u3002\u9996\u5148\uff0c\u6211\u4eec\u5c06\u5c55\u793a\u6574\u4f53\u6982\u89c8\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/11-0.png\" alt=\"overview\" \/><\/div>\n<p>\u8fd9\u4e2a\u7ed3\u6784\u56fe\u7531 Angular \u5e94\u7528\u7a0b\u5e8f\u7684\u516b\u4e2a\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\u7ec4\u6210\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Modules &#8211; \u30e2\u30b8\u30e5\u30fc\u30eb &#8211;<\/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\">Components &#8211; \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 &#8211;<\/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\">Templates &#8211; \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8-<\/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\">Metadata &#8211; \u30e1\u30bf\u30c7\u30fc\u30bf-<\/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\">Data binding &#8211; \u30c7\u30fc\u30bf\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0-<\/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\">Directives &#8211; \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6-<\/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\">Services &#8211; \u30b5\u30fc\u30d3\u30b9-<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Dependency injection &#8211; \u4f9d\u5b58\u6027\u6ce8\u5165-<\/ul>\n<p>\u8bf7\u4ee5\u4f60\u81ea\u5df1\u7684\u65b9\u5f0f\u5b66\u4e60\u8fd9\u4e9b\u6784\u6210\u8981\u7d20\u3002<\/p>\n<blockquote><p>\u5728\u6b64\u9875\u9762\u4e0a\u6240\u5f15\u7528\u7684\u4ee3\u7801\u53ef\u4ee5\u5728\u5b9e\u65f6\u793a\u4f8b\u4e2d\u4f7f\u7528\u3002<\/p><\/blockquote>\n<h2>\u6a21\u5757 &#8211; \u6a21\u5757 &#8211;<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/17-0.png\" alt=\"Component\" \/><\/div>\n<p>Angular\u5e94\u7528\u7a0b\u5e8f\u662f\u7531\u6a21\u5757\uff08\u7ec4\u88c5\uff09\u7ec4\u6210\u7684\uff0c\u5e76\u4e14Angular\u672c\u8eab\u4e5f\u662f\u4e00\u4e2a\u79f0\u4e3aAngular\u6a21\u5757\u6216NgModules\u7684\u6a21\u5757\u5316\u7cfb\u7edf\u3002<\/p>\n<p>\u7531\u4e8eAngular\u6a21\u5757\u662f\u4e00\u4e2a\u76f8\u5f53\u5927\u7684\u4e3b\u9898\uff0c\u6240\u4ee5\u5728\u672c\u9875\u9762\u4e2d\u53ea\u4ecb\u7ecd\u4e86\u6a21\u5757\u7684\u57fa\u672c\u6982\u5ff5\u3002<br \/>\n\u8bf7\u5728Angular\u6a21\u5757\u9875\u9762\u4e2d\u8fdb\u4e00\u6b65\u4e86\u89e3\u3002<\/p>\n<p>\u6240\u6709\u7684Angular\u5e94\u7528\u7a0b\u5e8f\u81f3\u5c11\u90fd\u6709\u4e00\u4e2a\u88ab\u4e60\u60ef\u6027\u5730\u547d\u540d\u4e3aAppModule\u7684\u6839\u6a21\u5757\u3002<\/p>\n<p>\u5728\u5c0f\u578b\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6839\u6a21\u5757\u662f\u5e94\u7528\u7a0b\u5e8f\u5185\u552f\u4e00\u7684\u6a21\u5757\uff0c\u4f46\u5728\u8bb8\u591a\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u8fd8\u6709\u8bb8\u591a\u529f\u80fd\u6a21\u5757\u3002\u8fd9\u4e9b\u529f\u80fd\u6a21\u5757\u5206\u522b\u662f\u5e94\u7528\u7a0b\u5e8f\u9886\u57df\u3001\u5de5\u4f5c\u6d41\u7a0b\u6216\u4e0e\u6027\u80fd\u5bc6\u5207\u76f8\u5173\u7684\u529f\u80fd\u4ee3\u7801\u7684\u96c6\u5408\u4f53\u3002<\/p>\n<p>\u65e0\u8bba\u662f\u6839\u6a21\u5757\u8fd8\u662f\u529f\u80fd\u6a21\u5757\uff0cAngular\u6a21\u5757\u90fd\u662f\u4e00\u4e2a\u5e26\u6709@NgModule\u88c5\u9970\u5668\u7684\u7c7b\u3002<\/p>\n<blockquote><p>\u88c5\u9970\u5668\u662f\u4e00\u79cd\u7528\u4e8e\u4fee\u9970 JavaScript \u7c7b\u7684\u529f\u80fd\u3002Angular \u63d0\u4f9b\u4e86\u591a\u4e2a\u88c5\u9970\u5668\uff0c\u5b83\u4eec\u4f1a\u5c06\u5143\u6570\u636e\u9644\u52a0\u5230\u7c7b\u4e0a\uff0c\u4ee5\u4fbf\u4e86\u89e3\u8be5\u7c7b\u7684\u542b\u4e49\u548c\u529f\u80fd\u3002\u8bf7\u5728\u672c\u7f51\u7ad9\u4e0a\u5b66\u4e60\u6709\u5173\u88c5\u9970\u5668\u7684\u5185\u5bb9\u3002<\/p><\/blockquote>\n<p>@NgModule\u662f\u4e00\u4e2a\u88c5\u9970\u5668\uff0c\u5b83\u662f\u4e00\u4e2a\u5177\u6709\u89e3\u91ca\u8be5\u6a21\u5757\u7684\u5c5e\u6027\u7684\u552f\u4e00\u5143\u6570\u636e\u5bf9\u8c61\u3002\u4ee5\u4e0b\u662f\u6700\u91cd\u8981\u7684\u5c5e\u6027\uff1a<\/p>\n<p>declarations &#8211; \u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u5c5e\u3059\u308b\u30d3\u30e5\u30fc\u30af\u30e9\u30b9\u3067\u3059\u3002Angular\u306fcomponents\u3001directives\u3001pipes\u3068\u3044\u30463\u7a2e\u985e\u306e\u30d3\u30e5\u30fc\u30af\u30e9\u30b9\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n<p>exports &#8211; \u307b\u304b\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3042\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u4e2d\u3067\u3001\u95b2\u89a7\u304a\u3088\u3073\u4f7f\u7528\u3092\u53ef\u80fd\u306b\u3059\u308bdeclarations\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u3067\u3059\u3002<\/p>\n<p>imports &#8211; export\u3055\u308c\u305f\u30af\u30e9\u30b9\u3092\u6301\u3061\u3001\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u5185\u3067\u5ba3\u8a00\u3055\u308c\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u5fc5\u8981\u3068\u3055\u308c\u308b\u307b\u304b\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3059\u3002<\/p>\n<p>providers &#8211; \u30aa\u30ea\u30b8\u30ca\u30eb\u3067\u4f5c\u6210\u3057\u305f\u30b5\u30fc\u30d3\u30b9\u3092\u3001\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30b5\u30fc\u30d3\u30b9\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u305d\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u30a2\u30d7\u30ea\u5185\u306e\u3069\u3053\u304b\u3089\u3067\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>bootstrap &#8211; \u30eb\u30fc\u30c8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u547c\u3070\u308c\u308b\u30e1\u30a4\u30f3\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d3\u30e5\u30fc\u304c\u3001\u4ed6\u306e\u3059\u3079\u3066\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d3\u30e5\u30fc\u306e\u57fa\u790e\u3068\u306a\u308a\u307e\u3059\u3002bootstrap\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u30eb\u30fc\u30c8\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306e\u307f\u8a2d\u5b9a\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8def\u7531\u6a21\u5757\u793a\u4f8b\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\">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=\"p\">@<\/span><span class=\"nd\">NgModule<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">imports<\/span><span class=\"p\">:<\/span>      <span class=\"p\">[<\/span> <span class=\"nx\">BrowserModule<\/span> <span class=\"p\">],<\/span>\r\n  <span class=\"na\">providers<\/span><span class=\"p\">:<\/span>    <span class=\"p\">[<\/span> <span class=\"nx\">Logger<\/span> <span class=\"p\">],<\/span>\r\n  <span class=\"na\">declarations<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span> <span class=\"nx\">AppComponent<\/span> <span class=\"p\">],<\/span>\r\n  <span class=\"na\">exports<\/span><span class=\"p\">:<\/span>      <span class=\"p\">[<\/span> <span class=\"nx\">AppComponent<\/span> <span class=\"p\">],<\/span>\r\n  <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=\"nx\">AppModule<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<blockquote><p>AppComponent\u7684\u5bfc\u51fa\u53ea\u662f\u4e3a\u4e86\u5c55\u793a\u5bfc\u51fa\u7684\u65b9\u6cd5\u800c\u8bbe\u7acb\u7684\u4f8b\u5b50\uff0c\u6240\u4ee5\u5b9e\u9645\u4e0a\u5e76\u4e0d\u9700\u8981\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\u4f7f\u7528\u3002<br \/>\n\u7531\u4e8e\u5176\u4ed6\u7ec4\u4ef6\u4e0d\u9700\u8981\u5bfc\u5165\u6839\u6a21\u5757\uff0c\u6240\u4ee5\u6839\u6a21\u5757\u6ca1\u6709\u4ec0\u4e48\u9700\u8981\u5bfc\u51fa\u7684\u4e1c\u897f\u3002<\/p><\/blockquote>\n<p>\u8bf7\u542f\u52a8\u8def\u7531\u6a21\u5757\u5e76\u5c1d\u8bd5\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u3002\u5982\u679c\u8981\u5728\u5f00\u53d1\u4e2d\u542f\u52a8AppModule\uff0c\u8bf7\u5c06main.ts\u6587\u4ef6\u914d\u7f6e\u5982\u4e0b\u4e5f\u8bb8\u4f1a\u6709\u5e2e\u52a9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">COPY<\/span> <span class=\"nx\">CODE<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">platformBrowserDynamic<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/platform-browser-dynamic<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<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.module<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nx\">platformBrowserDynamic<\/span><span class=\"p\">().<\/span><span class=\"nx\">bootstrapModule<\/span><span class=\"p\">(<\/span><span class=\"nx\">AppModule<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h3>Angular\u6a21\u5757\u4e0eJavaScript\u6a21\u5757<\/h3>\n<p>Angular\u6a21\u5757\u662f\u4e00\u4e2a\u5177\u6709@NgModule\u88c5\u9970\u5668\u7684\u7c7b\uff0c\u5b83\u662fAngular\u7684\u57fa\u7840\u529f\u80fd\u3002<\/p>\n<p>\u6b64\u5916\uff0cJavaScript\u5177\u6709\u7ba1\u7406JavaScript\u5bf9\u8c61\u96c6\u5408\u7684\u6a21\u5757\u673a\u5236\uff0c\u8fd9\u4e0eAngular\u7684\u6a21\u5757\u7cfb\u7edf\u5b8c\u5168\u4e0d\u540c\uff0c\u4e5f\u6ca1\u6709\u5173\u8054\u6027\u3002<\/p>\n<p>JavaScript\u7684\u6bcf\u4e2a\u6587\u4ef6\u90fd\u4f5c\u4e3a\u4e00\u4e2a\u6a21\u5757\uff0c\u6240\u6709\u7684\u5bf9\u8c61\u90fd\u5728\u8be5\u6a21\u5757\u7684\u6587\u4ef6\u4e2d\u8fdb\u884c\u5b9a\u4e49\u3002JavaScript\u6a21\u5757\u4f7f\u7528export\u5173\u952e\u5b57\u58f0\u660e\u5bf9\u8c61\u4e3a\u516c\u5171\u5bf9\u8c61\uff0c\u5e76\u4f7f\u7528import\u8bed\u53e5\u8bbf\u95ee\u5176\u4ed6\u6a21\u5757\u4e2d\u58f0\u660e\u4e3a\u516c\u5171\u5bf9\u8c61\u7684\u5bf9\u8c61\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\">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<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">AppModule<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<blockquote><p>\u8bf7\u5728\u6b64\u7f51\u7ad9\u4e0a\u5b66\u4e60JavaScript\u6a21\u5757\u7684\u673a\u5236\u3002<\/p><\/blockquote>\n<p>\u5728Angular\u4e2d\u6709\u4e24\u4e2a\u4e0d\u540c\u4f46\u4e92\u8865\u7684\u6a21\u5757\u7cfb\u7edf\u3002\u5f53\u60a8\u521b\u5efa\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u8bf7\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n<h3>Angular\u5e93<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/40-0.png\" alt=\"Component\" \/><\/div>\n<p>Angular\u662f\u4e00\u4e2a\u5305\u542bJavaScript\u6a21\u5757\u7684\u96c6\u5408\uff0c\u5e76\u5c06\u5b83\u4eec\u4f5c\u4e3a\u5e93\u6a21\u5757\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>Angular\u5e93\u7684\u540d\u79f0\u4ee5\u524d\u7f00@angular\u5f00\u5934\u3002<\/p>\n<p>Angular\u7684\u5e93\u53ef\u4ee5\u901a\u8fc7npm\u5305\u7ba1\u7406\u5668\u8fdb\u884c\u5b89\u88c5\uff0c\u5e76\u901a\u8fc7JavaScript\u7684import\u8bed\u53e5\u8fdb\u884c\u5bfc\u5165\u3002<\/p>\n<p>\u4f5c\u4e3a\u793a\u4f8b\uff0c\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4ece @angular\/core \u5bfc\u5165 Angular \u7684 Component \u88c5\u9970\u5668\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<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528JavaScript\u4e2d\u7684import\u8bed\u53e5\uff0c\u4eceAngular\u5e93\u4e2d\u5bfc\u5165Angular\u6a21\u5757\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<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u7b80\u6613\u8def\u7531\u6a21\u5757\u7684\u4f8b\u5b50\u4e2d\uff0c\u5e94\u7528\u7a0b\u5e8f\u6a21\u5757\u9700\u8981\u4eceBrowserModule\u83b7\u53d6\u6570\u636e\u3002\u4e3a\u4e86\u8bbf\u95ee\u8be5\u6570\u636e\uff0c\u5728@NgModule\u5143\u6570\u636e\u7684import\u4e2d\u6dfb\u52a0BrowserModule\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">imports<\/span><span class=\"p\">:<\/span>      <span class=\"p\">[<\/span> <span class=\"nx\">BrowserModule<\/span> <span class=\"p\">],<\/span>\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528Angular\u548cJavaScript\u7684\u6a21\u5757\u7cfb\u7edf\u3002<\/p>\n<p>\u7136\u800c\uff0c\u7531\u4e8e\u5b83\u4eec\u5171\u4eab\u4e86\u76f8\u540c\u7684\u8bcd\u6c47\u201c\u8fdb\u53e3\u201d\u548c\u201c\u51fa\u53e3\u201d\uff0c\u6240\u4ee5\u5bb9\u6613\u7ed9\u8fd9\u4e24\u4e2a\u7cfb\u7edf\u5e26\u6765\u6df7\u6dc6\u3002<br \/>\n\u8bf7\u52aa\u529b\u7406\u89e3\uff0c\u8fd9\u9700\u8981\u65f6\u95f4\u548c\u7ecf\u9a8c\u3002<\/p>\n<blockquote><p>\u8bf7\u6df1\u5165\u5b66\u4e60Angular\u6a21\u5757\u7684\u9875\u9762\u3002<\/p><\/blockquote>\n<h2>\u6784\u6210\u7ec4\u4ef6 &#8211; \u7ec4\u4ef6 &#8211;<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/54-0.png\" alt=\"Component\" \/><\/div>\n<p>\u7ec4\u4ef6\u8d1f\u8d23\u7ba1\u7406\u88ab\u79f0\u4e3a\u89c6\u56fe\u7684\u5c4f\u5e55\u90e8\u5206\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u7684\u5c4f\u5e55\u662f\u7531\u7ec4\u4ef6\u6765\u63a7\u5236\u7684\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30ea\u30f3\u30af\u3092\u4f34\u3046\u30a2\u30d7\u30ea\u306e\u30eb\u30fc\u30c8\u753b\u9762<\/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\">heroes\u306e\u30ea\u30b9\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">hero\u306e\u7de8\u96c6<\/ul>\n<p>\u5fc5\u987b\u5c06\u5305\u542b\u5bf9\u89c6\u56fe\u652f\u6301\u5185\u5bb9\u7684\u7ec4\u4ef6\u7684\u5e94\u7528\u903b\u8f91\u5b9a\u4e49\u4e3a\u7c7b\u3002\u8be5\u7c7b\u5c06\u5bf9API\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u4ea7\u751f\u5f71\u54cd\u3002<\/p>\n<p>\u4f8b\u5982\uff0cHeroListComponent\u5177\u6709\u4e00\u4e2aheroes\u5c5e\u6027\uff0c\u5f53\u4ece\u670d\u52a1\u4e2d\u8bf7\u6c42\u65f6\uff0c\u8be5\u5c5e\u6027\u4f1a\u8fd4\u56deheroes\u6570\u7ec4\u3002\u6b64\u5916\uff0cHeroListComponent\u8fd8\u5177\u6709\u4e00\u4e2aselectHero()\u65b9\u6cd5\uff0c\u5f53\u7528\u6237\u4eceheroList\u4e2d\u9009\u62e9\u4e00\u4e2ahero\u5e76\u70b9\u51fb\u65f6\uff0c\u4f1a\u8bbe\u7f6eselectedHero\u5c5e\u6027\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">HeroListComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">heroes<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Hero<\/span><span class=\"p\">[];<\/span>\r\n  <span class=\"nl\">selectedHero<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Hero<\/span><span class=\"p\">;<\/span>\r\n\r\n  <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span><span class=\"k\">private<\/span> <span class=\"nx\">service<\/span><span class=\"p\">:<\/span> <span class=\"nx\">HeroService<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"nx\">ngOnInit<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">heroes<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">service<\/span><span class=\"p\">.<\/span><span class=\"nx\">getHeroes<\/span><span class=\"p\">();<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"nx\">selectHero<\/span><span class=\"p\">(<\/span><span class=\"nx\">hero<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Hero<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">selectedHero<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">hero<\/span><span class=\"p\">;<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>Angular\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7528\u6237\u7684\u52a8\u4f5c\uff0c\u521b\u5efa\u3001\u66f4\u65b0\u548c\u9500\u6bc1\u7ec4\u4ef6\u3002\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u751f\u547d\u5468\u671f\u94a9\u5b50\uff0c\u4f8b\u5982\u5728\u4e0a\u8ff0\u58f0\u660e\u7684ngOnInit()\u51fd\u6570\u4e2d\uff0c\u6839\u636e\u4e0d\u540c\u7684\u751f\u547d\u5468\u671f\u9636\u6bb5\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/p>\n<h2>\u6a21\u677f &#8211; \u6a21\u7248-<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/63-0.png\" alt=\"Template\" \/><\/div>\n<p>\u5f53\u5b9a\u4e49\u7ec4\u4ef6\u7684\u89c6\u56fe\u65f6\uff0c\u8fd8\u9700\u8981\u5b9a\u4e49\u76f8\u5e94\u7684\u6a21\u677f\u3002<br \/>\n\u6a21\u677f\u7528\u4e8e\u4ee5HTML\u683c\u5f0f\u544a\u8bc9Angular\u5982\u4f55\u6e32\u67d3\u7ec4\u4ef6\u3002<\/p>\n<p>\u9664\u4e86\u4e00\u4e9b\u7ec6\u5fae\u7684\u5dee\u5f02\uff0c\u6a21\u677f\u770b\u8d77\u6765\u4e0e\u666e\u901a\u7684HTML\u76f8\u540c\u3002<br \/>\n\u5728HeroListComponent\u4e2d\uff0c\u6a21\u677f\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;h2&gt;<\/span>Hero List<span class=\"nt\">&lt;\/h2&gt;<\/span>\r\n<span class=\"nt\">&lt;p&gt;&lt;i&gt;<\/span>Pick a hero from the list<span class=\"nt\">&lt;\/i&gt;&lt;\/p&gt;<\/span>\r\n<span class=\"nt\">&lt;ul&gt;<\/span>\r\n  <span class=\"nt\">&lt;li<\/span> <span class=\"na\">*ngFor=<\/span><span class=\"s\">\"let hero of heroes\"<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"selectHero(hero)\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    {{hero.name}}\r\n  <span class=\"nt\">&lt;\/li&gt;<\/span>\r\n<span class=\"nt\">&lt;\/ul&gt;<\/span>\r\n<span class=\"nt\">&lt;hero-detail<\/span> <span class=\"na\">*ngIf=<\/span><span class=\"s\">\"selectedHero\"<\/span> <span class=\"na\">[hero]=<\/span><span class=\"s\">\"selectedHero\"<\/span><span class=\"nt\">&gt;&lt;\/hero-detail&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u6b64\u6a21\u677f\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u4e9b\u5178\u578b\u7684HTML\u5143\u7d20\uff0c\u4f8b\u5982<\/p>\n<h2>\u548c<\/h2>\n<p>\uff0c\u4f46\u4e5f\u5305\u542b\u4e86\u4e00\u4e9b\u5dee\u5f02\u3002\u50cf*ngFor\u3001{{hero.name}}\u3001(click)\u3001[hero]\u3001\u8fd9\u6837\u7684\u4ee3\u7801\uff0c\u662f\u4f7f\u7528\u4e86Angular\u7684\u6a21\u677f\u8bed\u6cd5\u3002<\/p>\n<p>\u5728\u8fd9\u4e2a\u6a21\u677f\u7684\u6700\u540e\u4e00\u884c\uff0c\u6211\u4eec\u4f7f\u7528\u81ea\u5b9a\u4e49\u5143\u7d20\u6807\u7b7e\u6765\u663e\u793a\u4e00\u4e2a\u65b0\u7684\u7ec4\u4ef6HeroDetailComponent\u3002<\/p>\n<p>HeroDetailComponent\u548c\u4e4b\u524d\u63d0\u5230\u7684HeroListComponent\u662f\u4e0d\u540c\u7684\u7ec4\u4ef6\u3002HeroDetailComponent\uff08\u4e0d\u63d0\u4f9b\u4ee3\u7801\uff09\u663e\u793a\u4e86\u7528\u6237\u4eceHeroListComponent\u4e2d\u9009\u62e9\u7684\u7279\u5b9ahero\u7684\u4fe1\u606f\u3002HeroDetailComponent\u662fHeroListComponent\u7684\u5b50\u7ec4\u4ef6\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/70-0.png\" alt=\"Metadata\" \/><\/div>\n<p>\u8bf7\u6ce8\u610f\u4e0e\u539f\u751fHTML\u5143\u7d20\u975e\u5e38\u76f8\u5bb9\u7684\u4e8b\u5b9e\u3002\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u4e0e\u539f\u751fHTML\u5728\u540c\u4e00\u5e03\u5c40\u4e2d\u65e0\u7f1d\u6df7\u5408\u3002<\/p>\n<h2>\u5143\u6570\u636e<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/73-0.png\" alt=\"Metadata\" \/><\/div>\n<p>\u5143\u6570\u636e\u663e\u793a\u4e86\u5728Angular\u4e2d\u5904\u7406\u7c7b\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u5f53\u56de\u987eHeroListComponent\u7684\u4ee3\u7801\u65f6\uff0c\u60a8\u5c06\u53d1\u73b0\u5b83\u53ea\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7c7b\u3002\u5b83\u65e2\u4e0d\u662f\u6846\u67b6\u7684\u8bc1\u636e\uff0c\u4e5f\u6ca1\u6709\u4efb\u4f55\u4e0e\u201c Angular\u201d\u76f8\u5173\u7684\u63cf\u8ff0\u3002<\/p>\n<p>\u4ece\u4e8b\u5b9e\u6765\u770b\uff0cHeroListComponent\u53ea\u662f\u4e00\u4e2a\u666e\u901a\u7684\u7c7b\u3002\u9664\u975e\u901a\u8fc7Angular\u544a\u77e5\u5b83\u662f\u4e00\u4e2a\u7ec4\u4ef6\uff0c\u5426\u5219\u5b83\u5e76\u4e0d\u5177\u5907\u7ec4\u4ef6\u7684\u7279\u6027\u3002<\/p>\n<p>\u4e3a\u4e86\u544a\u8bc9Angular\uff0cHeroListComponent\u662f\u4e00\u4e2a\u7ec4\u4ef6\uff0c\u9700\u8981\u5728\u7c7b\u4e0a\u9644\u52a0\u5143\u6570\u636e\u3002<\/p>\n<p>\u5728TypeScript\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u88c5\u9970\u5668\u7ed9\u4ee3\u7801\u6dfb\u52a0\u5143\u6570\u636e\u3002HeroListComponent\u7684\u5143\u6570\u636e\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">moduleId<\/span><span class=\"p\">:<\/span> <span class=\"kr\">module<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span>    <span class=\"dl\">'<\/span><span class=\"s1\">hero-list<\/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\">hero-list.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">providers<\/span><span class=\"p\">:<\/span>  <span class=\"p\">[<\/span> <span class=\"nx\">HeroService<\/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=\"nx\">HeroListComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">{<\/span>\r\n<span class=\"cm\">\/* . . . *\/<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\uff0c@Component\u88c5\u9970\u5668\u5c06\u5176\u4e0b\u65b9\u7684\u7c7b\u7acb\u5373\u786e\u5b9a\u4e3a\u7ec4\u4ef6\u7c7b\u3002<\/p>\n<p>@Component \u88c5\u9970\u5668\u662f Angular \u9700\u8981\u7684\u4e00\u4e2a\u5fc5\u8981\u914d\u7f6e\u5bf9\u8c61\uff0c\u7528\u4e8e\u521b\u5efa\u548c\u663e\u793a\u7ec4\u4ef6\u548c\u89c6\u56fe\u7684\u5fc5\u8981\u4fe1\u606f\u3002<\/p>\n<p>@Component\u53ef\u7528\u7684\u914d\u7f6e\u9009\u9879\u975e\u5e38\u6709\u9650\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<p>moduleId: templateUrl\u306e\u3088\u3046\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u95a2\u9023\u3059\u308bURL\u306e\u305f\u3081\u306b\u3001\u30d9\u30fc\u30b9\u3068\u306a\u308b\u30a2\u30c9\u30ec\u30b9(module.id)\u306e\u30bd\u30fc\u30b9\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>selector: \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3001\u633f\u5165\u3059\u308b\u3053\u3068\u3092Angular\u306b\u4f1d\u3048\u308bCSS\u30bb\u30ec\u30af\u30bf\u3067\u3059\u3002\u89aa\u3068\u306a\u308bHTML\u306e\u4e2d\u3067\u30bf\u30b0\u3092\u898b\u3064\u3051\u308b\u305f\u3081\u306b\u306f\u3001\u3053\u3053\u3067\u660e\u793a\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u3082\u3057\u30a2\u30d7\u30ea\u5185\u306b\u3042\u308bHTML\u304c\u3092\u542b\u3093\u3067\u3044\u305f\u5834\u5408\u3001Angular\u306f\u3053\u306e\u30bf\u30b0\u306e\u9593\u306bHeroListComponent\u306e\u30d3\u30e5\u30fc\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u633f\u5165\u3057\u307e\u3059\u3002<\/p>\n<p>templateUrl: \u4e0a\u8a18\u306e\u3088\u3046\u306a\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306eHTML\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u7d10\u3065\u3051\u308b\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u95a2\u9023\u3059\u308b\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002<\/p>\n<p>providers: \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5fc5\u8981\u3068\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u3046\u305f\u3081\u306b\u3001Dependency Injection\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u5217\u6319\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304cHeroService\u3092\u8981\u6c42\u3059\u308b\u3053\u3068\u3092Angular\u306b\u4f1d\u3048\u308b\u65b9\u6cd5\u306e\uff11\u3064\u3067\u3042\u308a\u3001\u305d\u308c\u306b\u3088\u3063\u3066heroes\u3092\u8868\u793a\u3059\u308b\u305f\u3081\u306e\u30ea\u30b9\u30c8\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/84-0.png\" alt=\"Metadata\" \/><\/div>\n<p>@Component\u4e2d\u7684\u5143\u6570\u636e\u4f1a\u5411Angular\u4f20\u8fbe\u7ec4\u4ef6\u660e\u786e\u58f0\u660e\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u53ef\u4ee5\u5728\u54ea\u91cc\u83b7\u53d6\u3002<\/p>\n<p>\u6a21\u677f\u3001\u5143\u6570\u636e\u548c\u7ec4\u4ef6\u76f8\u4e92\u5173\u8054\u4ee5\u6e32\u67d3\u89c6\u56fe\u3002<\/p>\n<p>(Note: Translation may vary based on context)<\/p>\n<p>\u4e3a\u4e86\u786e\u5b9aAngular\u7684\u884c\u4e3a\uff0c\u8bf7\u4f7f\u7528\u5176\u4ed6\u5143\u6570\u636e\u88c5\u9970\u5668\u6765\u91c7\u7528\u76f8\u540c\u7684\u5f62\u5f0f\u3002<br \/>\n@Injectable\u3001@Input\u3001@Output\u662f\u5e38\u7528\u7684\u88c5\u9970\u5668\uff0c\u4f46\u4e0d\u662f\u975e\u5e38\u591a\u3002<\/p>\n<p>\u603b\u7ed3\u6765\u770b\uff0c\u4e3a\u4e86\u8ba9Angular\u53d1\u6325\u4f5c\u7528\uff0c\u60a8\u9700\u8981\u5728\u60a8\u7f16\u5199\u7684\u4ee3\u7801\u4e2d\u6dfb\u52a0\u5143\u6570\u636e\u3002<\/p>\n<h2>\u6570\u636e\u7ed1\u5b9a<\/h2>\n<p>\u5982\u679c\u6ca1\u6709\u6846\u67b6\u7684\u8bdd\uff0c\u4f60\u9700\u8981\u786e\u4fdd\u5c06\u6570\u636e\u503c\u6ce8\u5165\u5230HTML\u4e2d\uff0c\u5e76\u5c06\u7528\u6237\u64cd\u4f5c\u8f6c\u6362\u4e3a\u52a8\u4f5c\u548c\u503c\u7684\u66f4\u65b0\u63a7\u5236\u3002\u624b\u52a8\u7f16\u5199\u7c7b\u4f3cpush\u548cpull\u7684\u903b\u8f91\u975e\u5e38\u67af\u71e5\u6613\u9519\uff0c\u65e0\u8bba\u4f60\u662f\u591a\u4e48\u719f\u7ec3\u7684jQuery\u7a0b\u5e8f\u5458\uff0c\u8bfb\u8d77\u6765\u90fd\u4f1a\u662f\u4e00\u573a\u5669\u68a6\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/91-0.png\" alt=\"Data Binding\" \/><\/div>\n<p>Angular\u652f\u6301\u6570\u636e\u7ed1\u5b9a\u673a\u5236\uff0c\u53ef\u4ee5\u5c06\u7ec4\u4ef6\u90e8\u5206\u548c\u6a21\u677f\u90e8\u5206\u540c\u6b65\u3002\u4e3a\u4e86\u544a\u8bc9Angular\u5b83\u4eec\u5982\u4f55\u76f8\u4e92\u8fde\u63a5\uff0c\u9700\u8981\u5728\u6a21\u677fHTML\u4e2d\u6dfb\u52a0\u7ed1\u5b9a\u6807\u8bb0\u3002<\/p>\n<p>\u6839\u636e\u56fe\u793a\uff0c\u6570\u636e\u7ed1\u5b9a\u7684\u8bed\u6cd5\u6709\u56db\u79cd\u8868\u793a\u65b9\u6cd5\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u5177\u6709&#8221;DOM\u5230\u6570\u636e&#8221;\u3001&#8221;\u6570\u636e\u5230DOM&#8221;\u3001&#8221;\u53cc\u5411&#8221;\u7684\u65b9\u5411\u6027\u3002<\/p>\n<p>\u5728HeroListComponent\u7684\u6a21\u677f\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u4e86\u4e09\u79cd\u8bed\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;li&gt;<\/span>{{hero.name}}<span class=\"nt\">&lt;\/li&gt;<\/span>\r\n<span class=\"nt\">&lt;hero-detail<\/span> <span class=\"na\">[hero]=<\/span><span class=\"s\">\"selectedHero\"<\/span><span class=\"nt\">&gt;&lt;\/hero-detail&gt;<\/span>\r\n<span class=\"nt\">&lt;li<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"selectHero(hero)\"<\/span><span class=\"nt\">&gt;&lt;\/li&gt;<\/span>\r\n<\/code><\/pre>\n<p>{{hero.name}}\u306f\u3001<\/p>\n<ul class=\"post-ul\">\n<li>\u30bf\u30b0\u306e\u4e2d\u3067\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3042\u308bhero.name\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5024\u3068\u7f6e\u304d\u63db\u3048\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002[hero] \u30d7\u30ed\u30d1\u30c6\u30a3\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306f\u3001\u89aa\u3067\u3042\u308bHeroListComponent\u304b\u3089\u3001\u5b50\u3067\u3042\u308bHeroDetailComponent\u306ehero\u30d7\u30ed\u30d1\u30c6\u30a3\u306bselectedHero\u306e\u5024\u3092\u6e21\u3057\u307e\u3059\u3002\n<p>(click)\u30a4\u30d9\u30f3\u30c8\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304chero\u306e\u540d\u524d\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u306b\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3042\u308bselectHero\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u5728\u4f7f\u7528ngModel\u6307\u4ee4\u65f6\uff0c\u53cc\u5411\u7ed1\u5b9a\u662f\u5c06\u5c5e\u6027\u548c\u4e8b\u4ef6\u7ed1\u5b9a\u5728\u5355\u4e00\u8868\u793a\u6cd5\u4e2d\u7684\u91cd\u8981\u7b2c\u56db\u79cd\u8868\u793a\u6cd5\u3002<br \/>\nHeroDetailComponent\u6a21\u677f\u4e2d\u5b58\u5728\u4ee5\u4e0b\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;input<\/span> <span class=\"na\">[(ngModel)]=<\/span><span class=\"s\">\"hero.name\"<\/span><span class=\"nt\">&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u53cc\u5411\u7ed1\u5b9a\u4e2d\uff0c\u901a\u8fc7\u5c5e\u6027\u7ed1\u5b9a\uff0c\u5c06\u7ec4\u4ef6\u4e2d\u7684\u6570\u636e\u5c5e\u6027\u503c\u4f20\u9012\u7ed9\u8f93\u5165\u6846\u3002\u540c\u65f6\uff0c\u5f53\u7528\u6237\u66f4\u6539\u503c\u65f6\uff0c\u901a\u8fc7\u4e8b\u4ef6\u7ed1\u5b9a\u5c06\u8be5\u4fe1\u606f\u4f20\u9012\u7ed9\u7ec4\u4ef6\uff0c\u5e76\u5c06\u5c5e\u6027\u91cd\u65b0\u8bbe\u7f6e\u4e3a\u6700\u65b0\u503c\u3002<\/p>\n<p>Angular\u4f1a\u901a\u8fc7\u5e94\u7528\u7a0b\u5e8f\u7ec4\u4ef6\u6811\uff0c\u4ece\u6839\u7ec4\u4ef6\u5230\u6240\u6709\u5b50\u7ec4\u4ef6\uff0c\u5728\u6bcf\u4e2aJavaScript\u4e8b\u4ef6\u5faa\u73af\u4e2d\u5904\u7406\u6240\u6709\u6570\u636e\u7ed1\u5b9a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/101-0.png\" alt=\"Data Binding\" \/><\/div>\n<p>\u6570\u636e\u7ed1\u5b9a\u5728\u6a21\u677f\u548c\u7ec4\u4ef6\u76f8\u4e92\u4ea4\u4e92\u65f6\u626e\u6f14\u4e86\u91cd\u8981\u7684\u89d2\u8272\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/103-0.png\" alt=\"Parent\/Child binding\" \/><\/div>\n<p>\u6570\u636e\u7ed1\u5b9a\u5728\u7236\u5b50\u7ec4\u4ef6\u4e4b\u95f4\u8fdb\u884c\u4e92\u52a8\u65f6\u4e5f\u5f88\u91cd\u8981\u3002<\/p>\n<h2>\u6307\u4ee4 &#8211; \u6307\u5bfc\u6027\u6587\u4ef6-<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/106-0.png\" alt=\"Parent child\" \/><\/div>\n<p>Angular\u6a21\u677f\u662f\u52a8\u6001\u7684\u3002\u5f53Angular\u6e32\u67d3\u6a21\u677f\u65f6\uff0c\u6839\u636e\u6307\u4ee4\u63d0\u4f9b\u7684\u6307\u793a\uff0c\u4f1a\u6539\u53d8DOM\u3002<\/p>\n<p>\u6307\u4ee4\u662f\u5e26\u6709\u6307\u4ee4\u5143\u6570\u636e\u7684\u7c7b\u3002\u5728TypeScript\u4e2d\uff0c\u8bf7\u4f7f\u7528@Directive\u88c5\u9970\u5668\u5c06\u5143\u6570\u636e\u9644\u52a0\u5230\u7c7b\u4e0a\u3002<\/p>\n<p>\u7ec4\u4ef6\u662f\u5177\u6709\u6a21\u677f\u7684\u6307\u4ee4\u3002@Component\u88c5\u9970\u5668\u5b9e\u9645\u4e0a\u662f\u901a\u8fc7\u4f7f\u7528\u4e0e\u6a21\u677f\u76f8\u5173\u7684\u529f\u80fd\u6765\u6269\u5c55@Directive\u88c5\u9970\u5668\u3002<\/p>\n<blockquote><p>\u7ec4\u4ef6\u5728\u6280\u672f\u4e0a\u662f\u6307\u4ee4\uff0c\u4f46\u5b83\u662fAngular\u5e94\u7528\u7a0b\u5e8f\u7684\u7279\u5f81\u6027\u548c\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00\uff0c\u56e0\u6b64\u5728\u8fd9\u4e2a\u67b6\u6784\u6982\u8ff0\u4e2d\uff0c\u6211\u4eec\u533a\u5206\u5bf9\u5f85\u6307\u4ee4\u548c\u7ec4\u4ef6\u3002<\/p><\/blockquote>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u5b58\u5728\u7740\u4e24\u79cd\u4e0d\u540c\u7684\u6307\u4ee4\uff1a\u7ed3\u6784\u6307\u4ee4\u548c\u5c5e\u6027\u6307\u4ee4\u3002<\/p>\n<p>\u8fd9\u4e9b\u6307\u4ee4\u901a\u5e38\u7528\u4f5c\u6807\u7b7e\u5143\u7d20\u7684\u5c5e\u6027\uff0c\u6709\u65f6\u4e5f\u7528\u4f5c\u6807\u7b7e\u540d\u79f0\uff0c\u4f46\u4e3b\u8981\u7528\u4e8e\u8d4b\u503c\u548c\u7ed1\u5b9a\u3002<\/p>\n<p>\u6784\u9020\u6307\u4ee4\u901a\u8fc7\u6dfb\u52a0\u3001\u5220\u9664\u3001\u4ea4\u6362DOM\u5143\u7d20\u6765\u6539\u53d8\u5e03\u5c40\u3002<\/p>\n<p>\u5728\u4ee5\u4e0b\u6a21\u677f\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u4e86\u4e24\u4e2a\u5185\u7f6e\u7ed3\u6784\u6307\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;li<\/span> <span class=\"na\">*ngFor=<\/span><span class=\"s\">\"let hero of heroes\"<\/span><span class=\"nt\">&gt;&lt;\/li&gt;<\/span>\r\n<span class=\"nt\">&lt;hero-detail<\/span> <span class=\"na\">*ngIf=<\/span><span class=\"s\">\"selectedHero\"<\/span><span class=\"nt\">&gt;&lt;\/hero-detail&gt;<\/span>\r\n<\/code><\/pre>\n<p>*ngFor\u306fheroes\u30ea\u30b9\u30c8\u3092\u307e\u308f\u3057\u3066\u3001hero\u3054\u3068\u306b\uff11\u3064\u306e<\/p>\n<ul class=\"post-ul\">\n<li>\u3092\u51fa\u529b\u3059\u308b\u3088\u3046Angular\u306b\u4f1d\u3048\u3066\u3044\u307e\u3059\u3002*ngIf\u306f\u3001\u9078\u629e\u3055\u308c\u305fhero\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u5834\u5408\u306e\u307f\u3001HeroDetail\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u8868\u793a\u3055\u305b\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u5c5e\u6027\u6307\u4ee4\u4f1a\u6539\u53d8\u663e\u793a\u5143\u7d20\u7684\u884c\u4e3a\u6216\u8868\u8fbe\u65b9\u5f0f\u3002\u5728\u6a21\u677f\u4e2d\uff0c\u5b83\u4eec\u7c7b\u4f3c\u4e8e\u5e38\u89c4\u7684HTML\u5c5e\u6027\uff0c\u56e0\u6b64\u88ab\u79f0\u4e3a\u5c5e\u6027\u6307\u4ee4\u3002<\/p>\n<p>ngModel\u662f\u4e00\u79cd\u4f7f\u7528\u53cc\u5411\u7ed1\u5b9a\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u7684\u5c5e\u6027\u6307\u4ee4\uff0c\u5b83\u662f\u5c5e\u6027\u6307\u4ee4\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002\u901a\u8fc7\u8bbe\u7f6e\u663e\u793a\u503c\u7684\u5c5e\u6027\u6216\u66f4\u6539\u4e8b\u4ef6\uff0cngModel\u6307\u793a\u5e76\u6539\u53d8\u663e\u793a\u5143\u7d20\uff08\u5178\u578b\u7684\u4f8b\u5b50\u662f<input type=\"text\" \/>\uff09\u7684\u884c\u4e3a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;input<\/span> <span class=\"na\">[(ngModel)]=<\/span><span class=\"s\">\"hero.name\"<\/span><span class=\"nt\">&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5728Angular\u4e2d\uff0c\u5e76\u4e0d\u662f\u6709\u5f88\u591a\uff0c\u4f46\u4ecd\u7136\u6709\u4e00\u4e9b\u53ef\u7528\u4e8e\u4fee\u6539\u5e03\u5c40\u7ed3\u6784\u7684\u6307\u4ee4\uff0c\u4f8b\u5982ngSwitch\uff0c\u4ee5\u53ca\u7528\u4e8e\u4fee\u6539DOM\u5143\u7d20\u6216\u7ec4\u4ef6\u5916\u89c2\u7684\u6307\u4ee4\uff0c\u4f8b\u5982ngStyle\u548cngClass\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u60a8\u4e5f\u53ef\u4ee5\u7f16\u5199\u81ea\u5df1\u7684\u6307\u4ee4\u3002\u50cfHeroListComponent\u8fd9\u6837\u7684\u7ec4\u4ef6\u5c31\u662f\u81ea\u5b9a\u4e49\u6307\u4ee4\u7684\u4e00\u4e2a\u793a\u4f8b\u3002<\/p>\n<h2>\u670d\u52a1<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/123-0.png\" alt=\"Service\" \/><\/div>\n<p>\u8be5\u670d\u52a1\u6db5\u76d6\u4e86\u5e7f\u6cdb\u7684\u7c7b\u522b\uff0c\u5e76\u8986\u76d6\u4e86\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u6240\u6709\u503c\u3001\u51fd\u6570\u548c\u529f\u80fd\u3002<\/p>\n<p>\u4efb\u4f55\u4e1c\u897f\u90fd\u53ef\u4ee5\u6210\u4e3a\u670d\u52a1\u3002\u670d\u52a1\u901a\u5e38\u662f\u89c4\u6a21\u8f83\u5c0f\u4e14\u5177\u6709\u5e38\u89c1\u7528\u9014\u7684\u7c7b\u522b\uff0c\u4f46\u6700\u597d\u662f\u76ee\u6807\u660e\u786e\u4e14\u7cbe\u5fc3\u7b56\u5212\u7684\u3002<\/p>\n<p>\u670d\u52a1\u7684\u4f8b\u5b50<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ed\u30b0\u30b5\u30fc\u30d3\u30b9<\/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\">\u30c7\u30fc\u30bf\u30b5\u30fc\u30d3\u30b9<\/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\">\u30d0\u30b0\u5831\u544a<\/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\">\u7a0e\u8a08\u7b97<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u74b0\u5883\u8a2d\u5b9a<\/ul>\n<p>\u5728Angular\u7684\u670d\u52a1\u4e2d\uff0c\u6ca1\u6709\u4ec0\u4e48\u7279\u522b\u7684\u4e8b\u60c5\u3002<br \/>\n\u670d\u52a1\u6ca1\u6709\u88ab\u5b9a\u4e49\uff0c\u670d\u52a1\u7684\u539f\u578b\u7c7b\u4e5f\u6ca1\u6709\u88ab\u786e\u5b9a\uff0c\u5b89\u88c5\u7684\u4f4d\u7f6e\u4e5f\u6ca1\u6709\u786e\u5b9a\u3002<\/p>\n<p>\u7136\u800c\uff0c\u670d\u52a1\u662f\u6bcf\u4e2aAngular\u5e94\u7528\u7a0b\u5e8f\u7684\u57fa\u7840\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u7ec4\u4ef6\u662f\u670d\u52a1\u7684\u4e13\u4e1a\u7528\u6237\u3002<\/p>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u5c06\u5c55\u793a\u4e00\u4e2a\u670d\u52a1\u7c7b\u7684\u4f8b\u5b50\uff0c\u8be5\u4f8b\u5b50\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u63a7\u5236\u53f0\u4e0a\u663e\u793a\u65e5\u5fd7\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">Logger<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">msg<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/span><span class=\"p\">)<\/span>   <span class=\"p\">{<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">msg<\/span><span class=\"p\">);<\/span> <span class=\"p\">}<\/span>\r\n  <span class=\"nx\">error<\/span><span class=\"p\">(<\/span><span class=\"nx\">msg<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">error<\/span><span class=\"p\">(<\/span><span class=\"nx\">msg<\/span><span class=\"p\">);<\/span> <span class=\"p\">}<\/span>\r\n  <span class=\"nx\">warn<\/span><span class=\"p\">(<\/span><span class=\"nx\">msg<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/span><span class=\"p\">)<\/span>  <span class=\"p\">{<\/span> <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">warn<\/span><span class=\"p\">(<\/span><span class=\"nx\">msg<\/span><span class=\"p\">);<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u5c55\u793a\u4e00\u4e2a\u5728\u542f\u52a8\u65f6\u4f7f\u7528Promise\u8bbf\u95eeheros\u5e76\u8fd4\u56deHeroService\u7684\u4f8b\u5b50\u3002HeroService\u4f9d\u8d56\u4e8eLogger service\u548c\u53e6\u4e00\u4e2a\u540d\u4e3aBackendService\u7684\u670d\u52a1\uff0c\u8be5\u670d\u52a1\u7528\u4e8e\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u4ea4\u4e92\uff0c\u8fd9\u662f\u4e00\u9879\u4e0d\u592a\u60f3\u505a\u7684\u5de5\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">HeroService<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">private<\/span> <span class=\"nx\">heroes<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Hero<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[];<\/span>\r\n\r\n  <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nx\">backend<\/span><span class=\"p\">:<\/span> <span class=\"nx\">BackendService<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nx\">logger<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Logger<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"nx\">getHeroes<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">backend<\/span><span class=\"p\">.<\/span><span class=\"nx\">getAll<\/span><span class=\"p\">(<\/span><span class=\"nx\">Hero<\/span><span class=\"p\">).<\/span><span class=\"nx\">then<\/span><span class=\"p\">(<\/span> <span class=\"p\">(<\/span><span class=\"nx\">heroes<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Hero<\/span><span class=\"p\">[])<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">logger<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"s2\">`Fetched <\/span><span class=\"p\">${<\/span><span class=\"nx\">heroes<\/span><span class=\"p\">.<\/span><span class=\"nx\">length<\/span><span class=\"p\">}<\/span><span class=\"s2\"> heroes.`<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">heroes<\/span><span class=\"p\">.<\/span><span class=\"nx\">push<\/span><span class=\"p\">(...<\/span><span class=\"nx\">heroes<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/ fill cache<\/span>\r\n    <span class=\"p\">});<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">heroes<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u65e0\u8bba\u670d\u52a1\u5728\u54ea\u91cc\u90fd\u53ef\u4ee5\u3002<\/p>\n<p>\u7ec4\u4ef6\u7c7b\u7684\u4ee3\u7801\u5e94\u8be5\u5c3d\u53ef\u80fd\u7b80\u6d01\u3002\u5728\u7ec4\u4ef6\u7c7b\u4e2d\uff0c\u4e0d\u8981\u76f4\u63a5\u8bbf\u95ee\u670d\u52a1\u5668\u6570\u636e\u3001\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u6216\u5c06\u65e5\u5fd7\u76f4\u63a5\u8f93\u51fa\u5230\u63a7\u5236\u53f0\uff0c\u800c\u662f\u5e94\u8be5\u5c06\u8fd9\u4e9b\u5de5\u4f5c\u4ea4\u7ed9\u670d\u52a1\u6765\u5904\u7406\u3002<\/p>\n<p>\u7ec4\u4ef6\u7684\u5de5\u4f5c\u4e0d\u4ec5\u4ec5\u662f\u8ba9\u7528\u6237\u4f53\u9a8c\u6210\u4e3a\u53ef\u80fd\uff0c\u8fd8\u8981\u8d1f\u8d23\u8c03\u6574\u89c6\u56fe\uff08\u7531\u6a21\u677f\u6e32\u67d3\uff09\u548c\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\uff08\u901a\u5e38\u7528\u4f5c\u6a21\u578b\u6982\u5ff5\uff09\u4e4b\u95f4\u7684\u914d\u5408\u3002<br \/>\n\u7ec4\u4ef6\u901a\u5e38\u5177\u6709\u7528\u4e8e\u6570\u636e\u7ed1\u5b9a\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u901a\u8fc7\u8fd9\u4e9b\u53ef\u4ee5\u5c06\u6240\u6709\u91cd\u8981\u4e8b\u52a1\u59d4\u6258\u7ed9\u670d\u52a1\u3002<\/p>\n<p>Angular\u6ca1\u6709\u5f3a\u5236\u8fd9\u6837\u7684\u539f\u5219\u3002\u5373\u4f7f\u4f60\u5199\u4e86\u4e00\u4e2a\u50cf&#8221;\u4e07\u80fd\u6c34\u69fd&#8221;\u90a3\u6837\u76843000\u884c\u7ec4\u4ef6\uff0c\u4e5f\u4e0d\u4f1a\u6709\u4efb\u4f55\u6307\u8d23\u3002<\/p>\n<p>Angular\u901a\u8fc7\u5c06\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\u6574\u5408\u4e3a\u670d\u52a1\uff0c\u4f7f\u5176\u66f4\u6613\u4e8e\u9075\u5faa\u4e0a\u8ff0\u539f\u5219\uff0c\u5e76\u4f7f\u7528\u4f9d\u8d56\u6ce8\u5165\u6765\u652f\u6301\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u670d\u52a1\u3002<\/p>\n<h2>\u4f9d\u8d56\u6ce8\u5165\u3002<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/140-0.png\" alt=\"Service\" \/><\/div>\n<p>\u4f9d\u8d56\u6ce8\u5165\u662f\u4e00\u79cd\u65b9\u6cd5\uff0c\u5b83\u5728\u4fdd\u6301\u7c7b\u6240\u9700\u7684\u4f9d\u8d56\u6027\u7684\u5b8c\u6574\u6027\u7684\u540c\u65f6\uff0c\u4ece\u7c7b\u4e2d\u521b\u5efa\u65b0\u5b9e\u4f8b\u3002\u7c7b\u6240\u4f9d\u8d56\u7684\u5927\u90e8\u5206\u662f\u670d\u52a1\u3002Angular\u4f7f\u7528\u4f9d\u8d56\u6ce8\u5165\u6765\u521b\u5efa\u5177\u6709\u6240\u9700\u670d\u52a1\u7684\u65b0\u7ec4\u4ef6\u3002<\/p>\n<p>\u5728Angular\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u6784\u9020\u51fd\u6570\u4e2d\u53c2\u6570\u7684\u7c7b\u578b\u6765\u5224\u65ad\u9700\u8981\u54ea\u4e2a\u670d\u52a1\u3002\u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\uff0cHeroListComponent\u7684\u6784\u9020\u51fd\u6570\u9700\u8981HeroService\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span><span class=\"k\">private<\/span> <span class=\"nx\">service<\/span><span class=\"p\">:<\/span> <span class=\"nx\">HeroService<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728Angular\u4e2d\u521b\u5efa\u7ec4\u4ef6\u65f6\uff0c\u9996\u5148\u9700\u8981\u63d0\u4f9b\u7ec4\u4ef6\u6240\u9700\u7684\u670d\u52a1\u6ce8\u5165\u5668\u3002<\/p>\n<p>\u4f9d\u8d56\u6ce8\u5165\u662f\u6307\u5f53\u6240\u8bf7\u6c42\u7684\u670d\u52a1\u5b9e\u4f8b\u4e0d\u5b58\u5728\u4e8e\u5bb9\u5668\u4e2d\u65f6\uff0c\u6ce8\u5165\u5668\u4f1a\u521b\u5efa\u65b0\u7684\u670d\u52a1\u5e76\u6dfb\u52a0\u5230\u5bb9\u5668\u4e2d\uff0c\u7136\u540e\u8c03\u7528\u4f7f\u7528\u8fd9\u4e9b\u670d\u52a1\u4f5c\u4e3a\u53c2\u6570\u7684\u7ec4\u4ef6\u6784\u9020\u51fd\u6570\u3002\u8fd9\u6837\u5f53\u6240\u6709\u8bf7\u6c42\u7684\u670d\u52a1\u90fd\u6267\u884c\u5e76\u8fd4\u56de\u65f6\uff0c\u53ef\u4ee5\u8c03\u7528\u7ec4\u4ef6\u7684\u6784\u9020\u51fd\u6570\u3002<\/p>\n<p>\u5c06HeroService\u6ce8\u5165\u7684\u8fc7\u7a0b\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d384c37434c4406c75860\/147-0.png\" alt=\"Service\" \/><\/div>\n<p>\u5982\u679c\u6ce8\u5165\u5668\u6ca1\u6709HeroService\uff0c\u6211\u4eec\u600e\u4e48\u77e5\u9053\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u65b0\u7684HeroService\u5462\uff1f<\/p>\n<p>\u7b80\u5355\u6765\u8bf4\uff0c\u6211\u4eec\u9700\u8981\u9884\u5148\u6ce8\u518c\u5e26\u6709\u6ce8\u5165\u5668\u7684HeroService\u63d0\u4f9b\u7a0b\u5e8f\u3002\u63d0\u4f9b\u7a0b\u5e8f\u5177\u6709\u521b\u5efa\u6216\u8fd4\u56de\u670d\u52a1\uff08\u901a\u5e38\u662f\u670d\u52a1\u672c\u8eab\uff09\u7684\u529f\u80fd\u3002<\/p>\n<p>\u63d0\u4f9b\u8005\u53ef\u4ee5\u5c06\u6a21\u5757\u6216\u7ec4\u4ef6\u6ce8\u518c\u3002<\/p>\n<p>\u4e3a\u4e86\u8ba9\u60a8\u53ef\u4ee5\u4ece\u4efb\u4f55\u5730\u65b9\u4f7f\u7528\u76f8\u540c\u7684\u670d\u52a1\u5b9e\u4f8b\uff0c\u5efa\u8bae\u63d0\u4f9b\u8005\u57fa\u672c\u4e0a\u5c06\u5176\u6dfb\u52a0\u5230\u6839\u6a21\u5757\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">providers<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n  <span class=\"nx\">BackendService<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">HeroService<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">Logger<\/span>\r\n<span class=\"p\">],<\/span>\r\n<\/code><\/pre>\n<p>\u8bf7\u6539\u4e3a\u5728\u7ec4\u4ef6\u7ea7\u522b\uff0c\u540c\u6837\u9700\u8981\u5c06\u5176\u6dfb\u52a0\u5230@Component\u5143\u6570\u636e\u7684providers\u5c5e\u6027\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">moduleId<\/span><span class=\"p\">:<\/span> <span class=\"kr\">module<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span>    <span class=\"dl\">'<\/span><span class=\"s1\">hero-list<\/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\">hero-list.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">providers<\/span><span class=\"p\">:<\/span>  <span class=\"p\">[<\/span> <span class=\"nx\">HeroService<\/span> <span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u5728\u7ec4\u4ef6\u7ea7\u522b\u6ce8\u518c\u63d0\u4f9b\u8005\uff0c\u53ef\u4ee5\u4f7f\u6bcf\u4e2a\u65b0\u521b\u5efa\u7684\u7ec4\u4ef6\u5b9e\u4f8b\u80fd\u591f\u83b7\u53d6\u65b0\u670d\u52a1\u5b9e\u4f8b\u3002<\/p>\n<p>\u4e3a\u4e86\u4e0d\u5fd8\u8bb0\uff0c\u6211\u4f1a\u5217\u4e3e\u4e00\u4e9b\u4f9d\u8d56\u6ce8\u5165\u7684\u8981\u70b9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Dependency injection\u306fAngular\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u4e2d\u306b\u5f35\u308a\u5de1\u3089\u3055\u308c\u3066\u3044\u3066\u3001\u3069\u3053\u304b\u3089\u3067\u3082\u5229\u7528\u3066\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u30a4\u30f3\u30b8\u30a7\u30af\u30bf\u304c\u6838\u3068\u306a\u308b\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u306a\u308b\u3002<\/p>\n<p>\u30a4\u30f3\u30b8\u30a7\u30af\u30bf\u306f\u4f5c\u6210\u3057\u305f\u30b5\u30fc\u30d3\u30b9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30b3\u30f3\u30c6\u30ca\u3092\u4fdd\u6301\u3059\u308b\u3002<br \/>\n\u30a4\u30f3\u30b8\u30a7\u30af\u30bf\u306f\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u304b\u3089\u65b0\u3057\u3044\u30b5\u30fc\u30d3\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3067\u304d\u308b\u3002<\/p>\n<p>\u30d7\u30ed\u30d0\u30a4\u30c0\u306f\u30b5\u30fc\u30d3\u30b9\u3092\u4f5c\u308b\u3068\u304d\u306e\u30ec\u30b7\u30d4\u306b\u306a\u308b\u3002<br \/>\n\u30a4\u30f3\u30b8\u30a7\u30af\u30bf\u3092\u6301\u3063\u305f\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u767b\u9332\u3059\u308b\u3002<\/p>\n<h2>\u6982\u62ec<\/h2>\n<p>\u6211\u5df2\u7ecf\u5b66\u4e60\u4e86Angular\u5e94\u7528\u7a0b\u5e8f\u76848\u4e2a\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\u7684\u57fa\u7840\u77e5\u8bc6\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Modules &#8211; \u30e2\u30b8\u30e5\u30fc\u30eb &#8211;<\/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\">Components &#8211; \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8 &#8211;<\/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\">Templates &#8211; \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8-<\/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\">Metadata &#8211; \u30e1\u30bf\u30c7\u30fc\u30bf-<\/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\">Data binding &#8211; \u30c7\u30fc\u30bf\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0-<\/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\">Directives &#8211; \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6-<\/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\">Services &#8211; \u30b5\u30fc\u30d3\u30b9-<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Dependency injection &#8211; \u4f9d\u5b58\u6027\u6ce8\u5165-<\/ul>\n<p>\u8fd9\u4e9b\u662fAngular\u5e94\u7528\u7a0b\u5e8f\u7684\u6240\u6709\u57fa\u7840\uff0c\u4f5c\u4e3a\u8d77\u70b9\u6765\u8bf4\u5df2\u7ecf\u8db3\u591f\u4e86\u3002\u7136\u800c\uff0c\u4ec5\u4ec5\u5b66\u4e60\u8fd9\u4e9b\u8fd8\u4e0d\u8db3\u4ee5\u5b8c\u6210\u4f60\u5e94\u8be5\u5b66\u4e60\u7684\u5168\u90e8\u5185\u5bb9\u3002<\/p>\n<p>\u5728\u8fd9\u91cc\u7b80\u5355\u5217\u4e3e\u4e86Angular\u7684\u4e3b\u8981\u529f\u80fd\u548c\u670d\u52a1\u7684\u6309\u5b57\u6bcd\u987a\u5e8f\u6392\u5217\u7684\u5217\u8868\u3002<br \/>\n\u5927\u90e8\u5206\u91cd\u8981\u5185\u5bb9\u5df2\u7ecf\u5305\u542b\u5728\u4ee5\u4e0b\u6587\u6863\u4e2d\uff08\u6216\u5728\u4e0d\u4e45\u7684\u5c06\u6765\u4f1a\u5305\u542b\uff09\u3002<\/p>\n<p>Animations: Angular\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3048\u3070\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u6280\u8853\u3084CSS\u306e\u6df1\u3044\u77e5\u8b58\u304c\u306a\u304f\u3066\u3082\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u632f\u308b\u821e\u3044\u306b\u52d5\u304d\u3092\u3064\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>Change detection: Change detection\uff08\u5909\u66f4\u691c\u77e5\uff09\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u306f\u3001Angular\u304c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u3082\u3064\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5024\u306e\u5909\u5316\u3092\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u6c7a\u3081\u3001\u3069\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u753b\u9762\u3092\u66f4\u65b0\u3057\u3066\u3044\u308b\u304b\u3068\u3044\u3063\u305f\u30c8\u30d4\u30c3\u30af\u3092\u6271\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u975e\u540c\u671f\u3067\u52d5\u3044\u3066\u3044\u308b\u3082\u306e\u3092\u4e2d\u65ad\u3057\u3001\u305d\u306e\u5909\u66f4\u691c\u77e5\u304c\u3082\u3064\u6226\u7565\u3092\u5b9f\u884c\u3059\u308b\u30be\u30fc\u30f3\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3082\u6271\u3044\u307e\u3059\u3002<\/p>\n<p>Events: \u30a4\u30d9\u30f3\u30c8\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u884c\u3001\u8cfc\u8aad\u3059\u308b\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u4f7f\u3063\u3066\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3084\u30b5\u30fc\u30d3\u30b9\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u706b\u3055\u305b\u308b\u4ed5\u7d44\u307f\u3092\u6271\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Forms: HTML\u30d9\u30fc\u30b9\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3068dirty\u30c1\u30a7\u30c3\u30af\u3067\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u5165\u529b\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<p>HTTP: HTTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u3001\u4fdd\u5b58\u3068\u3044\u3063\u305f\u3084\u308a\u53d6\u308a\u3092\u30b5\u30fc\u30d0\u30fc\u3068\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>Lifecycle hooks: \u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30d5\u30c3\u30af\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u751f\u6210\u3055\u308c\u3066\u304b\u3089\u7834\u58ca\u3055\u308c\u308b\u307e\u3067\u306e\u5b58\u7d9a\u671f\u9593\u4e2d\u306b\u3001\u30ad\u30fc\u5165\u529b\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Pipes: \u753b\u9762\u4e0a\u306b\u3042\u308b\u5024\u306e\u5909\u5316\u306b\u3088\u3063\u3066UX\u3092\u5909\u66f4\u3055\u305b\u308b\u306b\u306f\u3001\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3067\u30d1\u30a4\u30d7\u3092\u4f7f\u3046\u3068\u3088\u3044\u3067\u3059\u3002\u6b21\u306e\u4f8b\u3067\u3001currency\u30d1\u30a4\u30d7\u306e\u66f8\u304d\u65b9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>price | currency:&#8217;USD&#8217;:true<br \/>\n\u3053\u308c\u306b\u3088\u3063\u3066\u3001&#8221;42.33&#8243;\u3068\u3044\u3046\u5024\u306f $42.33\u3068\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Router: \u30d6\u30e9\u30a6\u30b6\u3092\u96e2\u308c\u308b\u3053\u3068\u306a\u304f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u4e0a\u3067\u30da\u30fc\u30b8\u304b\u3089\u30da\u30fc\u30b8\u3078\u9077\u79fb\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Testing: Angular\u306e\u30c6\u30b9\u30c8\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u4f7f\u3063\u3066\u3001\u3042\u306a\u305f\u306e\u4f5c\u3063\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u90e8\u54c1\u304c\u3001Angular\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u4e0a\u3067\u3046\u307e\u304f\u6a5f\u80fd\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3001\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u30c6\u30b9\u30c8\u3092\u884c\u3063\u3066\u8a66\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<blockquote><p>\u4e0b\u4e00\u6b65<br \/>\n\u5c55\u793a\u6570\u636e<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u8bdd\u9898 \u8fd9\u662fAngular2\u6838\u5fc3\u6587\u6863\u6307\u5357\u7684\u7ffb\u8bd1\u3002 DOCUMENTATION OVERVIEW &#8211;  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