{"id":39417,"date":"2023-07-23T01:50:01","date_gmt":"2024-01-23T22:31:47","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8angular%e5%92%8crxjs%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa%e7%ae%80%e5%8d%95%e7%9a%84%e5%ad%98%e5%82%a8%e7%b3%bb%e7%bb%9f%e3%80%82\/"},"modified":"2024-04-30T14:54:52","modified_gmt":"2024-04-30T06:54:52","slug":"%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8angular%e5%92%8crxjs%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa%e7%ae%80%e5%8d%95%e7%9a%84%e5%ad%98%e5%82%a8%e7%b3%bb%e7%bb%9f%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8angular%e5%92%8crxjs%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa%e7%ae%80%e5%8d%95%e7%9a%84%e5%ad%98%e5%82%a8%e7%b3%bb%e7%bb%9f%e3%80%82\/","title":{"rendered":"\u5c1d\u8bd5\u4f7f\u7528Angular\u548cRXJS\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u5b58\u50a8\u7cfb\u7edf"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u6ce8\u610f\uff01\u8fd9\u4e0d\u662f\u5173\u4e8eFlux\u6a21\u5f0f\u7684\u6587\u7ae0\uff01<\/p>\n<p>\u7531\u4e8eVue\u7684\u4eba\u6c14\u6682\u65f6\u505c\u6ede\u4e0d\u524d\uff0c\u4e3a\u4e86\u63a8\u52a8Angular\u7684\u53d1\u5c55\uff0c\u6211\u4eec\u9700\u8981\u53d1\u5e03\u4e00\u4e9b\u5185\u5bb9\uff01\uff01<\/p>\n<p>\u6211\u4f1a\u4f7f\u7528Angular+RXJS\u7684BehaviorSubject\u6765\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u5b58\u50a8\u5e93\u3002<\/p>\n<p>\u73af\u5883<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">angular-cli 6.2.2<\/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\">angular ^6.1.0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">rxjs ~6.2.0<\/ul>\n<h1>\u670d\u52a1\u5b9a\u4e49<\/h1>\n<p>\u9996\u5148\uff0c\u53ef\u4ee5\u5f00\u59cb\u4f7f\u7528 &#8220;ng new&#8221; \u547d\u4ee4\u6216\u5176\u4ed6\u65b9\u5f0f\uff0c\u51c6\u5907\u597d\u80fd\u591f\u7f16\u5199 Angular \u7684\u5f00\u53d1\u73af\u5883\u3002<\/p>\n<p>\u7136\u540e\u5728src\/app\u5185\u521b\u5efa\u4e00\u4e2a\u540d\u4e3acore\u7684\u6587\u4ef6\u5939\u3002<\/p>\n<p>\u5728\u5176\u4e2d\uff0c\u6211\u4eec\u7acb\u5373\u7f16\u5199StoreService\u3002\u6b64\u670d\u52a1\u4f7f\u7528BehaviorSubject\u6765\u4fdd\u5b58User\u7c7b\u578b\u3002\u9664\u4e86\u53ea\u4f20\u64adBehaviorSubject\u7684\u6d41\u4e4b\u5916\uff0c\u8fd8\u4f7f\u7528\u4fdd\u6301\u6700\u540e\u4f20\u64ad\u7684\u503c\u7684\u529f\u80fd\u3002<\/p>\n<p>\u6211\u5011\u4e5f\u6703\u628a\u5b83\u4f5c\u70baObservable\u4f86\u89c0\u5bdf\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><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">BehaviorSubject<\/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=\"p\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u4f55\u306e\u5909\u54f2\u3082\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u578b<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kr\">interface<\/span> <span class=\"nx\">User<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">id<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">name<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ Store\u30b5\u30fc\u30d3\u30b9<\/span>\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><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\">StoreService<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"c1\">\/\/ \u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u306e\u306f\u907f\u3051\u305f\u3044\u306e\u3067private<\/span>\r\n  <span class=\"k\">private<\/span> <span class=\"nx\">userSource<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">BehaviorSubject<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">User<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">({<\/span>\r\n    <span class=\"na\">id<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">knight<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">});<\/span>\r\n\r\n  <span class=\"c1\">\/\/ Observable value<\/span>\r\n  <span class=\"nx\">user$<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">userSource<\/span><span class=\"p\">.<\/span><span class=\"nx\">asObservable<\/span><span class=\"p\">();<\/span>\r\n\r\n  <span class=\"c1\">\/\/ Getter &amp; Setter<\/span>\r\n  <span class=\"kd\">get<\/span> <span class=\"nx\">user<\/span><span class=\"p\">():<\/span> <span class=\"nx\">User<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">userSource<\/span><span class=\"p\">.<\/span><span class=\"nx\">getValue<\/span><span class=\"p\">();<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"kd\">set<\/span> <span class=\"nx\">user<\/span><span class=\"p\">(<\/span><span class=\"nx\">value<\/span><span class=\"p\">:<\/span> <span class=\"nx\">User<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">userSource<\/span><span class=\"p\">.<\/span><span class=\"nx\">next<\/span><span class=\"p\">(<\/span><span class=\"nx\">value<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aCoreModule\u7684\u6a21\u5757\u6765\u63d0\u4f9b\u8fd9\u9879\u670d\u52a1\u3002\u8be5\u6a21\u5757\u88ab\u9650\u5236\u53ea\u80fd\u4eceAppModule\u4e2d\u8c03\u7528\uff0c\u5373\u5b83\u662f\u5355\u4f8b\u6a21\u5f0f\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=\"nx\">Optional<\/span><span class=\"p\">,<\/span> <span class=\"nx\">SkipSelf<\/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\">NgModule<\/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=\"nx\">CoreModule<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"p\">@<\/span><span class=\"nd\">Optional<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">@<\/span><span class=\"nd\">SkipSelf<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"nx\">parentModule<\/span><span class=\"p\">:<\/span> <span class=\"nx\">CoreModule<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">parentModule<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Error<\/span><span class=\"p\">(<\/span><span class=\"s2\">`<\/span><span class=\"p\">${<\/span><span class=\"nx\">parentModule<\/span><span class=\"p\">}<\/span><span class=\"s2\"> has already been loaded. Import Core module in the AppModule only.`<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u7ec4\u4ef6\u5b9a\u4e49<\/h1>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4ececore\u76ee\u5f55\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aAComponent\u7684\u7ec4\u4ef6\uff0c\u5229\u7528StoreService\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<p>\u8fd9\u4e2a\u7ec4\u4ef6\u901a\u8fc7\u6ce8\u5165StoreService\u6765\u5f15\u7528\u5b58\u50a8\u3002<\/p>\n<p>\u4f7f\u7528\u70b9\u51fb\u4e8b\u4ef6\u89e6\u53d1\u5e76\u83b7\u53d6\u7684 GET \u7248\u672c\uff0c\u4ee5\u53ca\u89c2\u5bdf\u578b\u7684 Observable \u7248\u672c\uff0c\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u53ef\u4ee5\u83b7\u53d6\u7528\u6237\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\">StoreService<\/span><span class=\"p\">,<\/span> <span class=\"nx\">User<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/core\/store.service<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/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><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-a<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"p\">:<\/span> <span class=\"s2\">`\r\n    &lt;h2&gt;Get\u7248&lt;\/h2&gt;\r\n    &lt;ng-container *ngIf=\"user\"&gt;\r\n      &lt;dl class=\"list\"&gt;\r\n        &lt;dt&gt;ID:&lt;\/dt&gt;&lt;dd&gt;{{ user.id }}&lt;\/dd&gt;\r\n        &lt;dt&gt;NAME:&lt;\/dt&gt;&lt;dd&gt;{{ user.name }}&lt;\/dd&gt;\r\n      &lt;\/dl&gt;\r\n    &lt;\/ng-container&gt;\r\n    &lt;button (click)=\"onGetUser()\"&gt;GET USER&lt;\/button&gt;\r\n    &lt;div class=\"divider\"&gt;&lt;\/div&gt;\r\n    &lt;h2&gt;Observable\u7248&lt;\/h2&gt;\r\n    &lt;ng-container *ngIf=\"user$ | async as u\"&gt;\r\n      &lt;dl class=\"list\"&gt;\r\n        &lt;dt&gt;ID:&lt;\/dt&gt;&lt;dd&gt;{{ u.id }}&lt;\/dd&gt;\r\n        &lt;dt&gt;NAME:&lt;\/dt&gt;&lt;dd&gt;{{ u.name }}&lt;\/dd&gt;\r\n      &lt;\/dl&gt;\r\n    &lt;\/ng-container&gt;\r\n  `<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styles<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"s2\">`\r\n      .list {\r\n        margin: 8px;\r\n        display: flex;\r\n      }\r\n\r\n      dt {\r\n        font-weight: bold;\r\n      }\r\n\r\n      dd {\r\n        margin-right: 16px;\r\n      }\r\n\r\n      .divider {\r\n        width: 100%;\r\n        margin: 16px 0;\r\n        border-bottom: solid 1px #000;\r\n      }\r\n    `<\/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=\"nx\">AComponent<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">user$<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Observable<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">User<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">user<\/span><span class=\"p\">:<\/span> <span class=\"nx\">User<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"p\">;<\/span>\r\n\r\n  <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span><span class=\"k\">private<\/span> <span class=\"nx\">store<\/span><span class=\"p\">:<\/span> <span class=\"nx\">StoreService<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">user$<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">store<\/span><span class=\"p\">.<\/span><span class=\"nx\">user$<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"nx\">onGetUser<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">user<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">store<\/span><span class=\"p\">.<\/span><span class=\"nx\">user<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u786e\u8ba4\u662f\u5426\u80fd\u6b63\u786e\u89c2\u6d4b\u5230AComponent\uff08\u7528\u6237$\uff09\uff0c\u6211\u4eec\u5728AppComponent\u7684ngOnInit()\u65b9\u6cd5\u4e2d\uff0c\u5c06\u57285\u79d2\u540e\u66f4\u65b0\u7528\u6237\u4fe1\u606f\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\">StoreService<\/span><span class=\"p\">,<\/span> <span class=\"nx\">User<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/core\/store.service<\/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-root<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"p\">:<\/span>\r\n  <span class=\"s2\">`\r\n    &lt;div&gt;\r\n      &lt;app-a&gt;&lt;\/app-a&gt;\r\n    &lt;\/div&gt;\r\n  `<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styles<\/span><span class=\"p\">:<\/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\">AppComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span><span class=\"k\">private<\/span> <span class=\"nx\">store<\/span><span class=\"p\">:<\/span> <span class=\"nx\">StoreService<\/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=\"nx\">setTimeout<\/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\">store<\/span><span class=\"p\">.<\/span><span class=\"nx\">user<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"na\">id<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">spidey<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"p\">};<\/span>\r\n    <span class=\"p\">},<\/span> <span class=\"mi\">5000<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u6211\u53ea\u662f\u5728\u9605\u8bfbCoreModule\uff0c\u4f46\u4e5f\u5c06AppModule\u9644\u4e0a\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\">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\">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\">CoreModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/core\/core.module<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AComponent<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/a\/a.component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\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    <span class=\"nx\">AppComponent<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nx\">AComponent<\/span><span class=\"p\">,<\/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\">CommonModule<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nx\">BrowserModule<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nx\">CoreModule<\/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\">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<h1>\u8fd0\u884c<\/h1>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span>: ng serve\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3a3237434c4406c7cf88\/25-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5e94\u8be5\u4f1a\u4ee5\u90a3\u79cd\u65b9\u5f0f\u663e\u793a\u3002<\/p>\n<p>\u4e0a\u8ff0\u7684\u622a\u56fe\u662f5\u79d2\u4e4b\u524d\u7684\u7248\u672c\uff0c\u4f46\u57285\u79d2\u540e\uff0cObservable\u7248\u672c\u5c06\u5728AppComponent\u4e2d\u88ab\u66f4\u65b0\u4e3a{id:1, name: spidey}\u3002<\/p>\n<h1>\u6700\u5f8c<\/h1>\n<p>\u6211\u89c9\u5f97\u867d\u7136\u8fd9\u7bc7\u6587\u7ae0\u4f3c\u4e4e\u6709\u70b9\u6beb\u65e0\u610f\u4e49\uff0c\u4f46\u5982\u679c\u5e94\u7528\u8d77\u6765\uff0c\u4e5f\u8bb8\u53ef\u4ee5\u628a\u6240\u6709\u7684\u72b6\u6001\u90fd\u89c2\u6d4b\u5230\u3002<\/p>\n<p>\u867d\u7136Angular\u7684\u7248\u672c\u5df2\u7ecf\u8fbe\u5230\u4e866\uff08\u5f88\u5feb\u5c06\u63a8\u51fa7\uff09\uff0c\u6211\u89c9\u5f97\u5b83\u5df2\u7ecf\u6446\u8131\u4e862\u7cfb\u521d\u671f\u7684\u6df7\u4e71\uff0c\u6240\u4ee5\u5e0c\u671b\u5b83\u80fd\u591f\u50cfVue\u548cReact\u4e00\u6837\u53d7\u5230\u66f4\u591a\u7684\u6b22\u8fce\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u6ce8\u610f\uff01\u8fd9\u4e0d\u662f\u5173\u4e8eFlux\u6a21\u5f0f\u7684\u6587\u7ae0\uff01 \u7531\u4e8eVue\u7684\u4eba\u6c14\u6682\u65f6\u505c\u6ede\u4e0d\u524d\uff0c\u4e3a\u4e86\u63a8\u52a8Angular\u7684\u53d1\u5c55\uff0c\u6211\u4eec\u9700 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-39417","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>\u5c1d\u8bd5\u4f7f\u7528Angular\u548cRXJS\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u5b58\u50a8\u7cfb\u7edf - 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\/\u5c1d\u8bd5\u4f7f\u7528angular\u548crxjs\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u5b58\u50a8\u7cfb\u7edf\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5c1d\u8bd5\u4f7f\u7528Angular\u548cRXJS\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u5b58\u50a8\u7cfb\u7edf\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u6ce8\u610f\uff01\u8fd9\u4e0d\u662f\u5173\u4e8eFlux\u6a21\u5f0f\u7684\u6587\u7ae0\uff01 \u7531\u4e8eVue\u7684\u4eba\u6c14\u6682\u65f6\u505c\u6ede\u4e0d\u524d\uff0c\u4e3a\u4e86\u63a8\u52a8Angular\u7684\u53d1\u5c55\uff0c\u6211\u4eec\u9700 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5c1d\u8bd5\u4f7f\u7528angular\u548crxjs\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u5b58\u50a8\u7cfb\u7edf\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-23T22:31:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-30T06:54:52+00:00\" \/>\n<meta property=\"og:image\" 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