{"id":38828,"date":"2023-09-05T22:27:41","date_gmt":"2023-09-24T00:33:48","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8d%87%e7%ba%a7angular-cli\/"},"modified":"2024-04-30T21:39:35","modified_gmt":"2024-04-30T13:39:35","slug":"%e5%8d%87%e7%ba%a7angular-cli","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8d%87%e7%ba%a7angular-cli\/","title":{"rendered":"\u5347\u7ea7Angular CLI"},"content":{"rendered":"<p>\u7531\u4e8e\u5728\u65b0\u673a\u5668\u4e0a\u5b89\u88c5\u7684 Angular CLI \u7248\u672c\u8f83\u65b0\uff0c\u6240\u4ee5\u6211\u8d81\u6b64\u673a\u4f1a\u4e5f\u66f4\u65b0\u4e86\u73b0\u6709\u73af\u5883\u3002\u56e0\u4e3a\u539f\u6709\u73af\u5883\u7684 Angular CLI \u7248\u672c\u662f 1.7.4\uff08\u592a\u65e7\u4e86\uff09\uff0c\u6240\u4ee5\u611f\u89c9\u6709\u70b9\u88ab\u843d\u4e0b\uff0c\u6211\u672c\u6765\u4ee5\u4e3a\u8fd9\u6b21\u66f4\u65b0\u53ef\u80fd\u4f1a\u5931\u8d25\uff08\u56e0\u4e3a Angular \u7248\u672c\u662f 5.2.0\uff0c\u53ef\u80fd\u4f1a\u987a\u5229\u8fdb\u884c\uff09\uff0c\u679c\u7136\u5931\u8d25\u4e86\uff0c\u6240\u4ee5\u8fb9\u54ed\u8fb9\u8bb0\u5f55\u5de5\u4f5c\u5907\u5fd8\u5f55\u3002<\/p>\n<h1>\u64cd\u4f5c\u6b65\u9aa4\u3002<\/h1>\n<h2>\u64cd\u4f5c\u6b65\u9aa4<\/h2>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5220\u9664\u548c\u5b89\u88c5\u5168\u5c40\u7684 Angular CLI<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u66f4\u65b0\u672c\u5730\uff08\u9879\u76ee\u5185\u7684\uff09Angular CLI<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u7531\u4e8e\u6784\u5efa\u65e0\u6cd5\u901a\u8fc7\uff0c\u4e0d\u5f97\u4e0d\u521b\u5efa\u4e00\u4e2a\u65b0\u9879\u76ee<\/ol>\n<h2>\u5b9e\u9645\u64cd\u4f5c<\/h2>\n<h3>1. \u5220\u9664\u5e76\u5b89\u88c5\u5168\u7403\u7684 Angular CLI<\/h3>\n<p>\u5982\u679c\u8f93\u5165\u9519\u8bef\u4e86\u547d\u4ee4<\/p>\n<pre class=\"post-pre\"><code>\u256d\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256e\r\n\u2502                                                                \u2502\r\n\u2502       New minor version of npm available! 6.0.0 \u2192 6.5.0        \u2502\r\n\u2502   Changelog: https:\/\/github.com\/npm\/npm\/releases\/tag\/v6.5.0:   \u2502\r\n\u2502               Run npm install -g npm to update!                \u2502\r\n\u2502                                                                \u2502\r\n\u2570\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u256f\r\n<\/code><\/pre>\n<p>\u9274\u4e8e\u6709\u4eba\u5efa\u8bae\u6211\u8fd9\u6837\u505a\uff0c\u6240\u4ee5\u6211\u8d81\u673a\u66f4\u65b0\u5168\u5c40\u7684 npm \u5305\u3002\u7136\u540e\u6211\u5220\u9664\u4e86\u5168\u5c40\u7684 Angular CLI\u3002<\/p>\n<pre class=\"post-pre\"><code>npm uninstall -g @angular\/cli\r\nnpm cache clean\r\n<\/code><\/pre>\n<p>\u867d\u7136\u4e0d\u786e\u5b9a\u662f\u5426\u9700\u8981\u8fdb\u884c\u7f13\u5b58\u6e05\u7406\uff0c\u4f46\u8fd8\u662f\u770b\u5230\u4e00\u7bc7\u5efa\u8bae\u7ecf\u5e38\u6e05\u7406\u7684\u6587\u7ae0\uff0c\u6240\u4ee5\u5148\u5b89\u88c5\u5168\u5c40 Angular CLI\u3002<\/p>\n<pre class=\"post-pre\"><code>npm install -g @angular\/cli\r\n<\/code><\/pre>\n<h3>2. \u66f4\u65b0\u672c\u5730Angular CLI\uff08\u9879\u76ee\u5185\uff09<\/h3>\n<p>\u8f6c\u5230Angular\u9879\u76ee\u5e76\u66f4\u65b0\u672c\u5730\uff08\u9879\u76ee\u5185\uff09\u7684Angular CLI\u3002<\/p>\n<pre class=\"post-pre\"><code>ng update @angular\/cli\r\n<\/code><\/pre>\n<p>\u5b8c\u6210\u4ee5\u4e0a\u540e\uff0c\u6682\u65f6\u5c1d\u8bd5\u6784\u5efa\u4e00\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code>The serve command requires to be run in an Angular project, but a project definition could not be found.\r\n<\/code><\/pre>\n<p>\u6211\u88ab\u8d23\u9a82\u4e86\u3002\u4ece\u67d0\u4e2a\u7248\u672c\u7684Angular CLI\u5f00\u59cb\uff0c.angular-cli.json\u6587\u4ef6\u88ab\u6539\u4e3aangular.json\u6587\u4ef6\u3002\u56e0\u6b64\uff0c\u6211\u4ece\u65b0\u5efa\u7684\u9879\u76ee\u4e2d\u62ff\u6765\u4e86\u8fd9\u4e2a\u6587\u4ef6\uff0c\u5e76\u5c06.angular-cli.json\u4e2d\u7684\u914d\u7f6e\u5185\u5bb9\u5199\u5165\u5e76\u91cd\u65b0\u8fdb\u884c\u6784\u5efa\u3002\u7ed3\u679c\u73b0\u5728\u53c8\u51fa\u73b0\u4e86\u6ca1\u6709module\u6216\u6ca1\u6709Observable\u7c7b\u578b\u7684\u9519\u8bef\uff0c\u611f\u89c9\u5f88\u9ebb\u70e6\uff0c\u6240\u4ee5\u51b3\u5b9a\u65b0\u5efa\u4e00\u4e2a\u9879\u76ee\u5e76\u5c06\u521b\u5efa\u7684\u6587\u4ef6\u653e\u7f6e\u5728\u90a3\u91cc\u3002<\/p>\n<h3>\u7531\u4e8e\u6784\u5efa\u65e0\u6cd5\u901a\u8fc7\uff0c\u6240\u4ee5\u4e0d\u5f97\u4e0d\u521b\u5efa\u4e00\u4e2a\u65b0\u9879\u76ee\u3002<\/h3>\n<p>\u5728\u65b0\u5efa\u9879\u76ee\u540e\uff0c\u5c06\u6240\u9700\u7684\u6587\u4ef6\u590d\u5236\uff0c\u5e76\u5c06 .angular-cli.json \u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u6dfb\u52a0\u5230 angular.json \u6587\u4ef6\u4e2d\uff0c\u7136\u540e\u8fdb\u884c\u6784\u5efa\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">trigger<\/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\">transition<\/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\">style<\/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\">animate<\/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>\u56e0\u4e3a\u5728\u5199\u8fd9\u90e8\u5206\u7684\u65f6\u5019\u51fa\u73b0\u4e86\u9519\u8bef\uff0c<br \/>\n\u6240\u4ee5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">trigger<\/span> <span class=\"p\">}<\/span>          <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/animations<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">transition<\/span> <span class=\"p\">}<\/span>       <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/animations<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">style<\/span> <span class=\"p\">}<\/span>            <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/animations<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">animate<\/span> <span class=\"p\">}<\/span>          <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/animations<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u7136\u540e\u8fdb\u884c\u4fee\u6b63\u3002<\/p>\n<pre class=\"post-pre\"><code>Cannot find module '@angular\/http'.\r\n<\/code><\/pre>\n<p>\u7531\u4e8e &#8216;@angular\/http&#8217; \u5df2\u88ab\u5e9f\u5f03\uff0c\u6211\u672c\u4ee5\u4e3a\u9700\u8981\u52a8\u624b\u4fee\u6539\uff0c\u4f46\u4e00\u76f4\u5047\u88c5\u6ca1\u770b\u5230&#8230; \u662f\u7684\uff0c\u6211\u4eec\u6765\u4fee\u6b63\u4e00\u4e0b\u5427\u3002<\/p>\n<p>\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7528\u4e2d\u6587\u8fd8\u539f\u4e3a\u4e00\u79cd\u53ef\u80fd\u65b9\u5f0f\uff1a<\/p>\n<p>\u5728 app.modules.ts \u6587\u4ef6\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">HttpClientModule<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/common\/http<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u5728@NgModule\u7684imports\u4e2d\u6dfb\u52a0\u8ffd\u52a0\u548c\u5408\u5e76\u3002\u7136\u540e\uff0c\u5728\u6d89\u53cahttp\u76f8\u5173\u7684\u90e8\u5206\u8fdb\u884c\u63cf\u8ff0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Http<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/http<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Headers<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/http<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">RequestOptions<\/span><span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/http<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rxjs\/add\/operator\/timeout<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e2d\u56fd\u7684\u6bcd\u8bed\u8fdb\u884c\u6539\u5199\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1a<\/p>\n<p>\u5bf9\u4e8e&#8221;\u3092&#8221;\u8fd9\u4e2a\u8bcd\u8fdb\u884c\u6539\u5199\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\u3002<\/p>\n<p>Note: The given sentence &#8220;\u3092&#8221; has no specific context or meaning in Chinese. The provided paraphrase is a general translation based on the request.<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">HttpClient<\/span><span class=\"p\">,<\/span> <span class=\"nx\">HttpHeaders<\/span> <span class=\"p\">}<\/span>      <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/common\/http<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">timeout<\/span><span class=\"p\">,<\/span> <span class=\"nx\">catchError<\/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=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Observable<\/span><span class=\"p\">,<\/span> <span class=\"nx\">throwError<\/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<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u91cd\u65b0\u5199\u76f8\u5173\u7684\u90e8\u5206\u3002\u4ee5\u4e0b\u662f\u53d1\u9001\u8fc7\u7a0b\u7684\u53d8\u66f4\uff0c\u4f9b\u53c2\u8003\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">\/**<\/span>\r\n * http\u30dd\u30b9\u30c8\u51e6\u7406\r\n * @param {string} _postUrl - \u9001\u4fe1URL\r\n * @param {any} _trans_data - \u9001\u4fe1\u30c7\u30fc\u30bf\r\n * @return {any} http.post\u51e6\u7406\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\r\n *\/\r\n<span class=\"gd\">-  public http(_postUrl: string, _trans_data: any, _options?: RequestOptions): any {\r\n<\/span><span class=\"gi\">+  public http(_postUrl: string, _trans_data: any): any {\r\n<\/span>    let ret;\r\n    let postUrl = SystemConst.API_DIR + _postUrl;\r\n<span class=\"gd\">-    ret = this._http.post(postUrl, _trans_data, this.options).timeout(SystemConst.TIMEOUT_TIME);\r\n<\/span><span class=\"gi\">+    ret = this._http.post(postUrl, _trans_data, HTTP_OPTIONS)\r\n+    .pipe(\r\n+      timeout(SystemConst.TIMEOUT_TIME),\r\n+      catchError(this.handleError())\r\n+    );\r\n<\/span>    return ret;\r\n  }\r\n<\/code><\/pre>\n<p>\u867d\u7136\u4e0d\u786e\u5b9a\u4f7f\u7528\u7ba1\u9053\u8fdb\u884c\u8d85\u65f6\u5904\u7406\u662f\u5426\u6b63\u786e\uff0c\u4f46\u73b0\u5728\u5b83\u80fd\u6b63\u5e38\u8fd0\u884c\uff0c\u6240\u4ee5\u53ef\u4ee5\u8ba4\u4e3a\u662f\u597d\u7684\u3002\u4f46\u5982\u679c\u4e0e\u7ba1\u9053\u65e0\u5173\u7684 postUrl \u9519\u8bef\uff0c\u5c06\u65e0\u6cd5\u83b7\u53d6\u5230 HTTP \u72b6\u6001\u7801 404\uff0c\u8fd9\u6709\u70b9\u795e\u79d8\uff08\u53ef\u80fd\u662f\u670d\u52a1\u5668\u7aef\u8bbe\u7f6e\u7684\u95ee\u9898\uff09\u3002\u76ee\u524d\u5b83\u88ab\u89c6\u4e3a\u8d85\u65f6\u5904\u7406\uff0c\u6240\u4ee5\u5e0c\u671b\u80fd\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u6682\u65f6\u5148\u53c2\u8003\u539f\u6587\u7684\u8fd9\u91cc\u548c\u539f\u6587\u7684\u8fd9\u91cc\uff0c\u7136\u540e\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n<p>\u8865\u5145\u8bf4\u660e\uff1a404\u5df2\u7ecf\u6b63\u786e\u83b7\u53d6\uff0c\u5e76\u4e14\u95ee\u9898\u51fa\u5728handleError()\u51fd\u6570\u4e2dreturn throwError(error.message)\u4e4b\u540e\u7684\u81ea\u5b9a\u4e49\u5904\u7406\u4e0a\uff0c\u8bd5\u56fe\u4ecereturn\u503cerror.message\u4e2d\u83b7\u53d6status\u3002\u5b9e\u9645\u4e0a\uff0cerror\u5185\u5df2\u7ecf\u6b63\u786e\u5b58\u50a8\u4e86status\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">HTTP_OPTIONS<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">headers<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">HttpHeaders<\/span><span class=\"p\">({<\/span>\r\n    <span class=\"dl\">'<\/span><span class=\"s1\">Content-Type<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span>  <span class=\"dl\">'<\/span><span class=\"s1\">application\/json<\/span><span class=\"dl\">'<\/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=\"cm\">\/**\r\n * Observable \u306e\u30a8\u30e9\u30fc\u3092\u8fd4\u5374\u3057\u307e\u3059\r\n * @param \u7121\u3057\r\n * @return {Observable&lt;any&gt;}\r\n *\/<\/span>\r\n<span class=\"k\">private<\/span> <span class=\"nx\">handleError<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">return<\/span> <span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/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=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/ \u5f37\u5236\u7684\u306b\u30c8\u30c3\u30d7\u306b\u79fb\u52d5<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">scrollTop<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">throwError<\/span><span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">.<\/span><span class=\"nx\">message<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">};<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u8ba4\u4e3a\u4ee5\u4e0a\u7684\u60c5\u51b5\u5df2\u57fa\u672c\u6062\u590d\u5230\u539f\u672c\u7684\u72b6\u6001\u3002<\/p>\n<p>\u5347\u7ea7\u7248\u672c\u65f6\u51fa\u73b0\u6784\u5efa\u9519\u8bef\uff0c\u901a\u5e38\u4f1a\u8ba9\u6211\u611f\u5230\u5f88\u4e0d\u723d\uff0c\u80c3\u4e5f\u4f1a\u75db\uff0c\u4f46\u662f\u6211\u5bf9RxJS\u548cObservable\u7684\u7406\u89e3\u8fd8\u4e0d\u592a\u900f\u5f7b\uff0c\u4e0d\u8fc7\u7a0d\u5fae\u80fd\u7406\u89e3\u4e00\u70b9\u70b9\uff0c\u611f\u89c9\u8fd8\u4e0d\u9519\u3002RxJS\u7684\u6982\u5ff5\u6027\u8bf4\u660e\u5728\u5b66\u4e60RxJS\u7684\u7b2c\u4e00\u96c6 &#8211; \u4e3a\u521d\u5b66\u8005\u4ecb\u7ecd \u7684\u5bfc\u8bba\u4e2d\u603b\u7ed3\u5f97\u5f88\u7b80\u77ed\u660e\u4e86\uff0c\u5f88\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n<p>\u4e0b\u4e00\u6b65\uff0c\u6211\u5e0c\u671b\u80fd\u591f\u540c\u65f6\u6574\u7406\u5b9e\u65bd\u5e76\u521b\u5efa\u5177\u4f53\u7684\u4f5c\u54c1\u6765\u8f93\u51fa\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7531\u4e8e\u5728\u65b0\u673a\u5668\u4e0a\u5b89\u88c5\u7684 Angular CLI \u7248\u672c\u8f83\u65b0\uff0c\u6240\u4ee5\u6211\u8d81\u6b64\u673a\u4f1a\u4e5f\u66f4\u65b0\u4e86\u73b0\u6709\u73af\u5883\u3002\u56e0\u4e3a\u539f\u6709\u73af\u5883\u7684 Ang [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-38828","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 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