{"id":39513,"date":"2023-11-17T09:50:20","date_gmt":"2023-03-26T10:46:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8angular%e6%9c%8d%e5%8a%a1%e5%9c%a8%e7%bb%84%e4%bb%b6%e4%b9%8b%e9%97%b4%e5%85%b1%e4%ba%ab%e6%95%b0%e6%8d%ae\/"},"modified":"2024-05-04T09:29:32","modified_gmt":"2024-05-04T01:29:32","slug":"%e4%bd%bf%e7%94%a8angular%e6%9c%8d%e5%8a%a1%e5%9c%a8%e7%bb%84%e4%bb%b6%e4%b9%8b%e9%97%b4%e5%85%b1%e4%ba%ab%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8angular%e6%9c%8d%e5%8a%a1%e5%9c%a8%e7%bb%84%e4%bb%b6%e4%b9%8b%e9%97%b4%e5%85%b1%e4%ba%ab%e6%95%b0%e6%8d%ae\/","title":{"rendered":"\u4f7f\u7528Angular\u670d\u52a1\u5728\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u6570\u636e"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u6211\u4eec\u5c06\u63a2\u8ba8\u5728\u6ca1\u6709\u4eb2\u5b50\u5173\u7cfb\u7684\u591a\u4e2a\u7ec4\u4ef6\u4e4b\u95f4\u4f7f\u7528\u670d\u52a1\u6765\u5171\u4eab\u6570\u636e\u7684\u65b9\u6cd5\u3002<\/p>\n<h1>\u63d0\u4f9b\u6700\u65b0\u6d88\u606f<\/h1>\n<h2>2021\u5e741\u67084\u65e5<\/h2>\n<ul class=\"post-ul\">\u8a18\u4e8b\u5185\u3067\u6271\u3063\u305f\u30b3\u30fc\u30c9\u3092 Angular v11.0.5 \u3067\u78ba\u8a8d\u3057\u307e\u3057\u305f<\/ul>\n<h2>2018\u5e745\u670826\u65e5 y\u012b b\u0101 w\u01d4 yu\u00e8 \u00e8r sh\u00ed li\u00f9 r\u00ec)<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Angular \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c 6 \u306b\u4e0a\u304c\u3063\u305f\u3053\u3068\u3067\uff64 RxJS \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3082\u66f4\u65b0\u3055\u308c\u307e\u3057\u305f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4e0a\u8a18\u306b\u4f34\u3044\u3001 RxJS \u306e import \u30d1\u30b9\u3082\u5909\u66f4\u3055\u308c\u307e\u3057\u305f\u3002\u3064\u304d\u307e\u3057\u3066\u306f\u3001\u8a18\u4e8b\u4e2d\u306e\u30b3\u30fc\u30c9\u3068 github \u306e\u30b3\u30fc\u30c9 \u3092\u3042\u308f\u305b\u3066\u4fee\u6b63\u3057\u307e\u3057\u305f<\/ul>\n<h1>\u5de5\u4f5c\u73af\u5883<\/h1>\n<div>\n<div class=\"post-table\">\u74b0\u5883\u30d0\u30fc\u30b8\u30e7\u30f3\u5099\u8003<a href=\"https:\/\/cli.angular.io\/\" target=\"_blank\" rel=\"nofollow noopener\">Angular CLI<\/a><del>v6.0.0<\/del> v11.0.5<code>$ ng --version<\/code><a href=\"https:\/\/angular.io\/\" target=\"_blank\" rel=\"nofollow noopener\">Angular<\/a><del>v6.0.0<\/del> v11.0.5\u540c\u4e0a<a href=\"https:\/\/www.typescriptlang.org\/\" target=\"_blank\" rel=\"nofollow noopener\">TypeScript<\/a>v4.0.2\u540c\u4e0a<a href=\"https:\/\/nodejs.org\/ja\/\" target=\"_blank\" rel=\"nofollow noopener\">Node.js<\/a><del>v9.2.1<\/del> v12.18.3<code>$ node --version<\/code><a href=\"https:\/\/www.npmjs.com\/\" target=\"_blank\" rel=\"nofollow noopener\">npm<\/a><del>v6.1.0<\/del> v6.14.6<code>$ npm --version<\/code><\/div>\n<\/div>\n<details>ng version \u7684\u7ed3\u679c<br \/>\n$ ng version_ _ ____ _ ___<br \/>\n\/ \\ _ __ __ _ _ _| | __ _ _ __ \/ ___| | |_ _|<br \/>\n\/ \u25b3 \\ | &#8216;_ \\ \/ _` | | | | |\/ _` | &#8216;__| | | | | | |<br \/>\n\/ ___ \\| | | | (_| | |_| | | (_| | | | |___| |___ | |<br \/>\n\/_\/ \\_\\_| |_|\\__, |\\__,_|_|\\__,_|_| \\____|_____|___|<br \/>\n|___\/<\/p>\n<p>Angular CLI: 11.0.5<br \/>\nNode: 12.18.3<br \/>\nOS: darwin x64<\/p>\n<p>Angular: 11.0.5<br \/>\n&#8230; animations, cli, common, compiler, compiler-cli, core, forms<br \/>\n&#8230; platform-browser, platform-browser-dynamic, router<br \/>\nIvy Workspace: Yes<\/p>\n<p>Package Version<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n@angular-devkit\/architect 0.1100.5<br \/>\n@angular-devkit\/build-angular 0.1100.5<br \/>\n@angular-devkit\/core 11.0.5<br \/>\n@angular-devkit\/schematics 11.0.5<br \/>\n@schematics\/angular 11.0.5<br \/>\n@schematics\/update 0.1100.5<br \/>\nrxjs 6.6.0<br \/>\ntypescript 4.0.2<\/p>\n<\/details>\n<h1>\u76f8\u5173\u6587\u7ae0<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">[Angular] Angular CLI \u306b\u3088\u308b\u30b5\u30fc\u30d3\u30b9\u306e\u751f\u6210<\/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] \u89aa\u5b50\u95a2\u4fc2\u306b\u3042\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u3067\u30c7\u30fc\u30bf\u306e\u53d7\u3051\u6e21\u3057\u3092\u884c\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">[Angular] \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3084\u5916\u90e8\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u53c2\u7167\u3092\u53d6\u5f97\u3059\u308b<\/ul>\n<h1>\u6784\u6210<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u6240\u6d89\u53ca\u7684\u7ed3\u6784\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>src\/\r\n  <span class=\"sb\">`<\/span><span class=\"nt\">-app<\/span>\/\r\n       <span class=\"sb\">`<\/span><span class=\"nt\">-sample1<\/span>\/\r\n       |   <span class=\"sb\">`<\/span>- sample1.component.css\r\n       |   <span class=\"sb\">`<\/span>- sample1.component.html\r\n       |   <span class=\"sb\">`<\/span>- sample1.component.ts\r\n       <span class=\"sb\">`<\/span><span class=\"nt\">-sample2<\/span>\/\r\n       |   <span class=\"sb\">`<\/span>- sample2.component.css\r\n       |   <span class=\"sb\">`<\/span>- sample2.component.html\r\n       |   <span class=\"sb\">`<\/span>- sample2.component.ts\r\n       <span class=\"sb\">`<\/span><span class=\"nt\">-service<\/span>\/\r\n       |   <span class=\"sb\">`<\/span>- common.service.ts\r\n       <span class=\"sb\">`<\/span>- app.component.css\r\n       <span class=\"sb\">`<\/span>- app.component.html\r\n       <span class=\"sb\">`<\/span>- app.component.ts\r\n       <span class=\"sb\">`<\/span>- app.module.ts\r\n<\/code><\/pre>\n<p>\u672c\u6b21\u6784\u6210\u7684\u91cd\u70b9\u5728\u4ee5\u4e0b2\u70b9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b5\u30fc\u30d3\u30b9\u306b\u3088\u308b\u30c7\u30fc\u30bf\u306e\u5171\u6709\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u6b21\u306e2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u914d\u7f6e<\/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\">sample1.component<\/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\">sample2.component<\/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\">\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u3067\u30c7\u30fc\u30bf\u5171\u6709\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u6b21\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u914d\u7f6e<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">common.service<\/ul>\n<p>\u5728\u8fd9\u4e9b\u7ec4\u4ef6\u548c\u670d\u52a1\u4e2d\uff0c\u9700\u8981\u786e\u8ba4\u7ec4\u4ef6\u4e4b\u95f4\u7684\u6570\u636e\u5171\u4eab\u3002<\/p>\n<h1>\u670d\u52a1\u7684\u5b9e\u65bd<\/h1>\n<h2>\u901a\u7528\u670d\u52a1<\/h2>\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\r\n<span class=\"c1\">\/\/ \u30a4\u30d9\u30f3\u30c8\u767a\u706b\u306e\u305f\u3081\u306e Subject \u3092 import<\/span>\r\n<span class=\"c1\">\/\/ Angular Ver.6.x.x \u3067\u306f rxjs \u304b\u3089\u76f4\u63a5import\u3059\u308b\u3088\u3046\u306b\u5909\u66f4\u3055\u308c\u305f<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Subject<\/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\">\/\/ \u3053\u3061\u3089\u306f Angular 6.x.x \u3060\u3068\u30d3\u30eb\u30c9\u30a8\u30e9\u30fc\u3068\u306a\u308b<\/span>\r\n<span class=\"c1\">\/\/import { Subject } from 'rxjs\/Subject';<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Injectable<\/span><span class=\"p\">()<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">CommonService<\/span> <span class=\"p\">{<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * \u30c7\u30fc\u30bf\u306e\u5909\u66f4\u3092\u901a\u77e5\u3059\u308b\u305f\u3081\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\r\n   *\r\n   * @private\r\n   * @memberof CommonService\r\n   *\/<\/span>\r\n  <span class=\"k\">private<\/span> <span class=\"nx\">sharedDataSource<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">Subject<\/span><span class=\"o\">&lt;<\/span><span class=\"kr\">string<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">();<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * Subscribe \u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\r\n   * `- \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u3067\u5171\u6709\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\r\n   *\r\n   * @memberof CommonService\r\n   *\/<\/span>\r\n  <span class=\"k\">public<\/span> <span class=\"nx\">sharedDataSource$<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">sharedDataSource<\/span><span class=\"p\">.<\/span><span class=\"nf\">asObservable<\/span><span class=\"p\">();<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf. CommonService \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\r\n   *\r\n   * @memberof CommonService\r\n   *\/<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">()<\/span> <span class=\"p\">{}<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * \u30c7\u30fc\u30bf\u306e\u66f4\u65b0\u30a4\u30d9\u30f3\u30c8\r\n   *\r\n   * @param {string} updateed \u66f4\u65b0\u30c7\u30fc\u30bf\r\n   * @memberof CommonService\r\n   *\/<\/span>\r\n  <span class=\"k\">public<\/span> <span class=\"nf\">onNotifySharedDataChanged<\/span><span class=\"p\">(<\/span><span class=\"nx\">updateed<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">[CommonService] onNotifySharedDataChanged fired.<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">sharedDataSource<\/span><span class=\"p\">.<\/span><span class=\"nf\">next<\/span><span class=\"p\">(<\/span><span class=\"nx\">updateed<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u5c06\u6309\u987a\u5e8f\u9010\u4e00\u67e5\u770b\u4ee5\u4e0b\u8981\u70b9\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>Subject \u7684\u5bfc\u5165<\/ol>\n<\/li>\n<\/ol>\n<p>\u4ecerxjs\u4e2d\u5bfc\u5165Subject\u3002<\/p>\n<p>\u5728\u4e0b\u9762\u7684\u201c\u58f0\u660eSubject\u7c7b\u578b\u7684\u5c5e\u6027\u201d\u4e2d\u9700\u8981\u5bfc\u5165Subject\u3002<br \/>\n\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Subject\u6765\u5b9e\u73b0\u6570\u636e\u5171\u4eab\uff0c\u4ee5\u53ca\u5728\u540e\u7eed\u7684\u7ec4\u4ef6\u4e2d\u5904\u7406\u8ba2\u9605\u3002<\/p>\n<p>\u58f0\u660eSubject\u7c7b\u578b\u7684\u5c5e\u6027<\/p>\n<p>\u58f0\u660eSubject\u7c7b\u578b\u7684\u5c5e\u6027<br \/>\nprivate sharedDataSource = new Subject();<\/p>\n<p>\u5728\u4e0b\u9762\u7684\u201c\u58f0\u660e\u8ba2\u9605\u5c5e\u6027\u201d\u548c\u201c\u6570\u636e\u66f4\u65b0\u4e8b\u4ef6\u201d\u4e2d\uff0c\u58f0\u660e\u5e76\u521b\u5efa\u4e00\u4e2aSubject\u5b9e\u4f8b\u3002<br \/>\n\u4f7f\u7528\u8be5\u5c5e\u6027\u6765\u901a\u77e5\u5171\u4eab\u6570\u636e\u7684\u53d8\u5316\u3002<\/p>\n<p>\u58f0\u660e\u8ba2\u9605\u5c5e\u6027<\/p>\n<p>\u58f0\u660e\u8ba2\u9605\u5c5e\u6027<br \/>\npublic sharedDataSource$ = this.sharedDataSource.asObservable();<\/p>\n<p>\u4ece\u5148\u524d\u521b\u5efa\u7684sharedDataSource\u5bf9\u8c61\u4e2d\uff0c\u4f7f\u7528asObservable()\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\u3002<br \/>\n\u901a\u8fc7\u5728\u5904\u7406\u6570\u636e\u5171\u4eab\u7684\u7ec4\u4ef6\u4e2d\u8fdb\u884c\u8ba2\u9605\uff08\u5982\u4e0b\u8ff0\uff09\uff0c\u4f7f\u7528asObservable()\u751f\u6210\u7684\u5bf9\u8c61\u6765\u5b9e\u73b0\u6570\u636e\u5171\u4eab\u7684\u673a\u5236\u3002<\/p>\n<p>\u6570\u636e\u66f4\u65b0\u4e8b\u4ef6<\/p>\n<p>\u6570\u636e\u66f4\u65b0\u4e8b\u4ef6<br \/>\npublic onNotifySharedDataChanged(updated: string) {<br \/>\nthis.sharedDataSource.next(updated);<br \/>\n}<\/p>\n<p>\u6211\u4eec\u4ece\u5148\u524d\u521b\u5efa\u7684sharedDataSource\u5bf9\u8c61\u4e2d\u8c03\u7528next()\u65b9\u6cd5\u3002<br \/>\n\u8fd9\u4e2a\u65b9\u6cd5\u662f\u7528\u4e8e\u4ece\u5904\u7406\u6570\u636e\u5171\u4eab\u7684\u7ec4\u4ef6\u4e2d\u8c03\u7528\u7684\uff0c\u5b83\u5c06\u53c2\u6570updated\u76f4\u63a5\u8bbe\u7f6e\u4e3anext()\u7684\u53c2\u6570\u3002<br \/>\n\u901a\u8fc7\u8c03\u7528this.sharedDataSource.next(updated)\u6765\u6267\u884c\u8be5\u65b9\u6cd5\uff0c\u53c2\u6570\u7684\u6570\u636e\u5c06\u4f20\u9012\u7ed9\u8ba2\u9605\uff08\u5982\u4e0b\u8ff0\uff09\u7b49\u5f85\u63a5\u6536\u6570\u636e\u7684\u7ec4\u4ef6\u3002<\/p>\n<h1>\u7ec4\u4ef6\u7684\u5b9e\u73b0<\/h1>\n<h2>\u6837\u672c1\u7684\u7ec4\u4ef6<\/h2>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnDestroy<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/ subscribe \u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306e Subscription \u3092 import<\/span>\r\n<span class=\"c1\">\/\/ Angular Ver.6.x.x \u3067\u306f rxjs \u304b\u3089\u76f4\u63a5import\u3059\u308b\u3088\u3046\u306b\u5909\u66f4\u3055\u308c\u305f<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Subscription<\/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\">\/\/ \u3053\u3061\u3089\u306f Angular 6.x.x \u3060\u3068\u30d3\u30eb\u30c9\u30a8\u30e9\u30fc\u3068\u306a\u308b<\/span>\r\n<span class=\"c1\">\/\/import { Subscription } from 'rxjs\/Subscription';<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30b5\u30fc\u30d3\u30b9\u3092\u767b\u9332\u3059\u308b\u305f\u3081\u306e import<\/span>\r\n<span class=\"c1\">\/\/ \u30a2\u30d7\u30ea\u5168\u4f53\u3067\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u5171\u6709\uff64\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5358\u4f4d\u3067\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u5171\u6709\u306b\u95a2\u308f\u3089\u305a\uff64\u3053\u3053\u306e import \u306f\u5fc5\u8981<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CommonService<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/service\/common.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-sample1<\/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\">.\/sample1.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/sample1.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">],<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Sample1Component<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnDestroy<\/span> <span class=\"p\">{<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * CommonService \u306e\u5909\u6570\u306e\u53c2\u7167\u3092\u53d6\u5f97\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\r\n   *\r\n   * @type {String}\r\n   * @memberof Sample1Component\r\n   *\/<\/span>\r\n  <span class=\"k\">public<\/span> <span class=\"nx\">serviceProp<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Initialized by Sample1Component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * subscribe \u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306e Subscription\r\n   *\r\n   * @private\r\n   * @type {Subscription}\r\n   * @memberof Sample1Component\r\n   *\/<\/span>\r\n  <span class=\"k\">private<\/span> <span class=\"nx\">subscription<\/span><span class=\"o\">!<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Subscription<\/span><span class=\"p\">;<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf. ServiceSample1Component \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\r\n   *\r\n   * @param {CommonService} commonService \u5171\u901a\u30b5\u30fc\u30d3\u30b9\r\n   * @memberof Sample1Component\r\n   *\/<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span><span class=\"k\">private<\/span> <span class=\"nx\">commonService<\/span><span class=\"p\">:<\/span> <span class=\"nx\">CommonService<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * \u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30e1\u30bd\u30c3\u30c9\uff61\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u521d\u671f\u5316\u3067\u4f7f\u7528\u3059\u308b\r\n   *\r\n   * @memberof Sample1Component\r\n   *\/<\/span>\r\n  <span class=\"nf\">ngOnInit<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\r\n    <span class=\"c1\">\/\/ \u30a4\u30d9\u30f3\u30c8\u767b\u9332<\/span>\r\n    <span class=\"c1\">\/\/ \u30b5\u30fc\u30d3\u30b9\u3067\u5171\u6709\u3057\u3066\u3044\u308b\u30c7\u30fc\u30bf\u304c\u66f4\u65b0\u3055\u308c\u305f\u3089\u767a\u706b\u3055\u308c\u308b\u30a4\u30d9\u30f3\u30c8\u3092\u30ad\u30e3\u30c3\u30c1\u3059\u308b<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">subscription<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">commonService<\/span><span class=\"p\">.<\/span><span class=\"nx\">sharedDataSource$<\/span><span class=\"p\">.<\/span><span class=\"nf\">subscribe<\/span><span class=\"p\">(<\/span>\r\n      <span class=\"nx\">msg<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">[Sample1Component] shared data updated.<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">serviceProp<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">msg<\/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\r\n  <span class=\"cm\">\/**\r\n   * \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u7d42\u4e86\u6642\u306e\u51e6\u7406\r\n   *\r\n   * @memberof Sample1Component\r\n   *\/<\/span>\r\n  <span class=\"nf\">ngOnDestroy<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/  \u30ea\u30bd\u30fc\u30b9\u30ea\u30fc\u30af\u9632\u6b62\u306e\u305f\u3081 CommonService \u304b\u3089 subcribe \u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7834\u68c4\u3059\u308b<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">subscription<\/span><span class=\"p\">.<\/span><span class=\"nf\">unsubscribe<\/span><span class=\"p\">();<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * \u30dc\u30bf\u30f3\u30af\u30ea\u30c3\u30af\u6642\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\r\n   *\r\n   * @memberof Sample1Component\r\n   *\/<\/span>\r\n  <span class=\"nf\">onClicSendMessage<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/ CommonService \u306e\u30c7\u30fc\u30bf\u66f4\u65b0\u3092\u884c\u3046<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">[Sample1Component] onClicSendMessage fired.<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">commonService<\/span><span class=\"p\">.<\/span><span class=\"nf\">onNotifySharedDataChanged<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Updated by Sample1Component.<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;p&gt;<\/span>\r\n  CommonService \u3067\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5024\u306f\uff62 {{this.serviceProp}} \uff63\u3067\u3059\uff61\r\n<span class=\"nt\">&lt;\/p&gt;<\/span>\r\n<span class=\"nt\">&lt;input<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"button\"<\/span> <span class=\"na\">value=<\/span><span class=\"s\">\"send message\"<\/span> <span class=\"na\">(click)=<\/span><span class=\"s\">\"onClicSendMessage()\"<\/span> <span class=\"nt\">\/&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u8bf7\u6309\u987a\u5e8f\u67e5\u770b\u4ee5\u4e0b\u8981\u70b9\u3002<br \/>\n\u5173\u4e8e CommonService \u7684 DI\uff0c\u8bf7\u53c2\u8003\u76f8\u5173\u6587\u7ae0\uff0c\u70b9\u51fb \u8fd9\u91cc \uff0c\u672c\u6587\u4e0d\u505a\u8be6\u8ff0\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u8ba2\u9605\u7684\u5bfc\u5165<\/ol>\n<\/li>\n<\/ol>\n<p>\u8ba2\u9605\u7684\u5bfc\u5165<br \/>\n\/\/ \u7701\u7565<br \/>\nimport { Subscription } from &#8216;rxjs&#8217;;<br \/>\n\/\/ \u7701\u7565<br \/>\nprivate subscription!: Subscription<\/p>\n<p>\u4e3a\u4e86\u4fdd\u6301\u8ba2\u9605\uff0c\u5bfc\u5165\u4e86Subscription\uff0c\u5e76\u58f0\u660e\u4e86\u8be5\u5c5e\u6027\u3002<\/p>\n<p>\u6ce8\u518c\u7528\u4e8e\u8ba2\u9605\u6570\u636e\u66f4\u65b0\u4e8b\u4ef6\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f<\/p>\n<p>\u6ce8\u518c\u7528\u4e8e\u8ba2\u9605\u6570\u636e\u66f4\u65b0\u4e8b\u4ef6\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f<br \/>\nthis.subscription = this.commonService.sharedDataSource$.subscribe(<br \/>\nmsg =&gt; {<br \/>\nthis.serviceProp = msg;<br \/>\n}<br \/>\n);<\/p>\n<p>\u5728CommonService\u4e2d\uff0c\u6ce8\u518c\u4e86\u4e00\u4e2a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u6765\u8ba2\u9605\u5728\u6570\u636e\u66f4\u65b0\u4e8b\u4ef6\u4e2d\u89e6\u53d1\u7684next()\u3002\u5728\u8fd9\u91cc\uff0cmsg\u662f\u8bbe\u7f6e\u4e3anext()\u53c2\u6570\u7684\u5bf9\u8c61\uff0c\u5e76\u901a\u8fc7\u5c06\u5176\u8bbe\u7f6e\u4e3a\u81ea\u5df1\u7684\u5c5e\u6027serviceProp\uff0c\u5b9e\u73b0\u4e86\u901a\u8fc7CommonService\u5171\u4eab\u548c\u66f4\u65b0\u6570\u636e\u3002\u5c06\u8ba2\u9605\u5bf9\u8c61\u8bbe\u7f6e\u4e3asubscription\u662f\u4e3a\u4e86\u5728\u4e0b\u9762\u7684ngOnDestroy\u4e2d\u9500\u6bc1\u8ba2\u9605\u5185\u5bb9\u3002<\/p>\n<p>\u901a\u77e5CommonService\u8fdb\u884c\u6570\u636e\u66f4\u65b0<\/p>\n<p>\u901a\u77e5CommonService\u8fdb\u884c\u6570\u636e\u66f4\u65b0<br \/>\nonClicSendMessage() {<br \/>\nthis.commonService.onNotifySharedDataChanged(&#8216;Updated by Sample1Component.&#8217;);<br \/>\n}<\/p>\n<p>\u7528\u4e8e\u63a5\u6536\u754c\u9762\u4e0a\u8f93\u5165\u6570\u636e\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002\u5728\u8fd9\u91cc\uff0c\u8c03\u7528\u4e86CommonService\u4e2d\u63d0\u4f9b\u7684\u65b9\u6cd5onNotifySharedDataChanged()\u6765\u5c06\u8f93\u5165\u7684\u6570\u636e\u53d1\u9001\u5230\u670d\u52a1\u4e2d\u3002\u8fd9\u91cc\u8bbe\u7f6e\u7684\u53c2\u6570\u5c06\u88ab\u89c6\u4e3a\u8981\u5728\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u7684\u6570\u636e\u3002<\/p>\n<p>\u7ec4\u4ef6\u9500\u6bc1\u65f6\u7684\u540e\u5904\u7406<\/p>\n<p>\u7ec4\u4ef6\u9500\u6bc1\u65f6\u7684\u540e\u5904\u7406<br \/>\nngOnDestroy() {<br \/>\nthis.subscription.unsubscribe();<br \/>\n}<\/p>\n<p>\u5728\u7ec4\u4ef6\u9500\u6bc1\u65f6\u901a\u8fc7unsubscribe\u6765\u53d6\u6d88\u8ba2\u9605\u7684\u5185\u5bb9\u4ee5\u8fdb\u884c\u9500\u6bc1\u3002\u5982\u679c\u4e0d\u8fd9\u6837\u505a\uff0c\u6ce8\u518c\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u5c06\u4f1a\u4e00\u76f4\u5b58\u5728\u3002<\/p>\n<p>\u5173\u4e8e\u6a21\u677f<br \/>\n\u5173\u4e8e\u6a21\u677f\uff0c\u53ea\u6709\u5355\u5411\u6570\u636e\u7ed1\u5b9a\u548c\u8f93\u5165\u8868\u5355\uff0c\u6ca1\u6709\u7279\u522b\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879\u3002<\/p>\n<h2>\u6837\u672c2.\u7ec4\u4ef6<\/h2>\n<p>\u7531\u4e8esample2.component\u7684\u5b9e\u73b0\u4e0esample1.component\u51e0\u4e4e\u76f8\u540c\uff0c\u56e0\u6b64\u53ea\u63d0\u53d6\u4e0d\u540c\u4e4b\u5904\uff0c\u5e76\u7701\u7565\u89e3\u91ca\u3002<br \/>\n\u5982\u9700\u4e86\u89e3sample2.component\u7684\u4ee3\u7801\u7ec6\u8282\uff0c\u8bf7\u53c2\u8003\u6b64\u5904\u7684\u4e0a\u4f20\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ \u7701\u7565<\/span>\r\n<span class=\"p\">@<\/span><span class=\"nd\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-sample2<\/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\">.\/sample2.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/sample2.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Sample2Component<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnDestroy<\/span> <span class=\"p\">{<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * CommonService \u306e\u5909\u6570\u306e\u53c2\u7167\u3092\u53d6\u5f97\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\r\n   *\r\n   * @type {String}\r\n   * @memberof Sample2Component\r\n   *\/<\/span>\r\n  <span class=\"k\">public<\/span> <span class=\"nx\">serviceProp<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Initialized by Sample2Component<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n  <span class=\"c1\">\/\/ \u7701\u7565<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * \u30dc\u30bf\u30f3\u30af\u30ea\u30c3\u30af\u6642\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\r\n   *\r\n   * @memberof Sample2Component\r\n   *\/<\/span>\r\n  <span class=\"nf\">onClicSendMessage<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">[Sample2Component] onClicSendMessage fired.<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">commonService<\/span><span class=\"p\">.<\/span><span class=\"nf\">onNotifySharedDataChanged<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Updated by Sample2Component.<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u6267\u884c\u7ed3\u679c<\/h1>\n<h2>1. \u5f00\u673a\u540e\u7acb\u5373<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3b1837434c4406c803cd\/34-0.png\" alt=\"share-service01.png\" \/><\/div>\n<p>\u88ab\u65b9\u6846\u6807\u8bb0\u7684\u6587\u5b57\u5728 sample1.component \u4e2d\u663e\u793a\u4e3a\u300cInitialized by Sample1Component\u300d\uff08\u6a59\u6846\uff09\uff0c\u5728 sample2.component \u4e2d\u663e\u793a\u4e3a\u300cInitialized by Sample2Component\u300d\uff08\u84dd\u6846\uff09\u3002<\/p>\n<h2>\u6267\u884c sample1.component \u7684 send message \u64cd\u4f5c<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3b1837434c4406c803cd\/37-0.png\" alt=\"share-service02.png\" \/><\/div>\n<p>\u70b9\u51fb\u53d1\u9001\u6d88\u606f\u6309\u94ae\u540e\uff0c\u901a\u8fc7CommonService\u53d1\u9001\u7684\u6d88\u606f\u5df2\u7ecf\u66f4\u65b0\u3002\u6b64\u65f6\u53ef\u4ee5\u786e\u5b9a\uff0c\u5728sample1.component\u548csample2.component\u4e2d\uff0c\u7528\u6837\u4f8b1.component\u8bbe\u7f6e\u7684\u6d88\u606f&#8221;Updated by Sample1Component.&#8221;\u6b63\u5728\u663e\u793a\u3002<\/p>\n<h2>\u6267\u884csample2.component\u7684\u53d1\u9001\u6d88\u606f\u51fd\u6570<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3b1837434c4406c803cd\/40-0.png\" alt=\"share-service03.png\" \/><\/div>\n<p>\u70b9\u51fb\u53d1\u9001\u6d88\u606f\u6309\u94ae\u540e\uff0c\u901a\u8fc7CommonService\u66f4\u65b0\u4e86\u62ec\u53f7\u5185\u7684\u6587\u5b57\u3002\u540c\u65f6\u53ef\u4ee5\u786e\u8ba4\uff0c\u62ec\u53f7\u4e2d\u7684\u6587\u5b57&#8221;Updated by Sample2Component.&#8221;\u5728sample1.component\u548csample2.component\u4e2d\u90fd\u663e\u793a\u4e3asample1.component\u8bbe\u7f6e\u7684\u6d88\u606f\u3002<\/p>\n<h1>\u7efc\u4e0a\u6240\u8ff0<\/h1>\n<p>\u603b\u7ed3\u672c\u6587\u5b9e\u65bd\u7684\u6570\u636e\u5171\u4eab\u673a\u5236\u53ef\u5206\u4e3a\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728\u7ec4\u4ef6\u4e2d\u4fee\u6539\u6570\u636e<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u7ec4\u4ef6\u901a\u8fc7\u65b9\u6cd5\u8c03\u7528\u5c06\u4fee\u6539\u540e\u7684\u6570\u636e\u4f20\u9012\u7ed9\u670d\u52a1<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u670d\u52a1\u63a5\u6536\u4fee\u6539\u540e\u7684\u6570\u636e\u5e76\u901a\u8fc7\u89e6\u53d1\u4e8b\u4ef6\u6765\u5c55\u793a\u6570\u636e<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u6bcf\u4e2a\u7ec4\u4ef6\u8ba2\u9605\u89e6\u53d1\u7684\u4e8b\u4ef6\u5e76\u66f4\u65b0\u81ea\u5df1\u7684\u5c5e\u6027<\/ol>\n<p>\u6362\u53e5\u8bdd\u8bf4\uff0c\u670d\u52a1\u548c\u7ec4\u4ef6\u4e4b\u95f4\u901a\u8fc7\u65b9\u6cd5\u8c03\u7528\u548c\u4e8b\u4ef6\u6765\u5b9e\u73b0\u6570\u636e\u5171\u4eab\u3002<\/p>\n<p>\u5c3d\u7ba1\u5728\u672c\u6587\u4e2d\u51fa\u73b0\u4e86&#8221;\u6570\u636e\u5171\u4eab&#8221;\u4e00\u8bcd\uff0c\u4f46\u6211\u611f\u89c9\u5230\u5b83\u4e0e\u672c\u6587\u6240\u8ff0\u7684\u5b9e\u65bd\u65b9\u6848\u4e4b\u95f4\u5b58\u5728\u4e00\u4e9b\u4e0d\u7b26\u4e4b\u5904\uff0c\u5c31\u6b64\u4e3a\u6b62\u3002<\/p>\n<p>\u5728\u76f8\u5173\u6587\u7ae0\u4e2d\uff0c\u901a\u8fc7\u5f15\u7528\u7ec4\u4ef6\u548c\u4f7f\u7528@Input \/ @Output\u8fdb\u884c\u6570\u636e\u4f20\u9012\u65f6\uff0c\u9700\u8981\u6709\u7236\u5b50\u5173\u7cfb\u3002\u4f46\u662f\uff0c\u672c\u6587\u4ecb\u7ecd\u7684\u65b9\u6cd5\u53ef\u4ee5\u5728\u6ca1\u6709\u7236\u5b50\u5173\u7cfb\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u6570\u636e\u5171\u4eab\u3002\u6211\u8ba4\u4e3a\uff0c\u8fd9\u5728\u7ec4\u4ef6\u8bbe\u8ba1\u65f6\u65e0\u9700\u62c5\u5fc3\u7236\u5b50\u5173\u7cfb\u7684\u9650\u5236\uff0c\u662f\u4e00\u4e2a\u4f18\u70b9\u3002<\/p>\n<h1>\u6e90\u4ee3\u7801<\/h1>\n<p>\u6b64\u6b21\u6587\u7ae0\u63d0\u53ca\u7684\u7528\u4e8e\u9a8c\u8bc1\u64cd\u4f5c\u7684\u4ee3\u7801\u5df2\u7ecf\u4e0a\u4f20\u5230\u8fd9\u91cc\uff0c\u4f9b\u53c2\u8003\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u6211\u4eec\u5c06\u63a2\u8ba8\u5728\u6ca1\u6709\u4eb2\u5b50\u5173\u7cfb\u7684\u591a\u4e2a\u7ec4\u4ef6\u4e4b\u95f4\u4f7f\u7528\u670d\u52a1\u6765\u5171\u4eab\u6570\u636e\u7684\u65b9\u6cd5\u3002 \u63d0\u4f9b\u6700\u65b0\u6d88\u606f 2021\u5e741\u67084\u65e5 \u8a18\u4e8b [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-39513","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528Angular\u670d\u52a1\u5728\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u6570\u636e - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528angular\u670d\u52a1\u5728\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u6570\u636e\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Angular\u670d\u52a1\u5728\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u6570\u636e\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u6211\u4eec\u5c06\u63a2\u8ba8\u5728\u6ca1\u6709\u4eb2\u5b50\u5173\u7cfb\u7684\u591a\u4e2a\u7ec4\u4ef6\u4e4b\u95f4\u4f7f\u7528\u670d\u52a1\u6765\u5171\u4eab\u6570\u636e\u7684\u65b9\u6cd5\u3002 \u63d0\u4f9b\u6700\u65b0\u6d88\u606f 2021\u5e741\u67084\u65e5 \u8a18\u4e8b [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528angular\u670d\u52a1\u5728\u7ec4\u4ef6\u4e4b\u95f4\u5171\u4eab\u6570\u636e\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-26T10:46:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-04T01:29:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3b1837434c4406c803cd\/34-0.png\" \/>\n<meta name=\"author\" content=\"\u96c5, \u609f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u96c5, \u609f\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" 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