{"id":38824,"date":"2022-12-27T13:24:23","date_gmt":"2023-11-23T16:45:29","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bb%8b%e7%bb%8d%e4%b8%80%e4%b8%aa%e5%b8%ae%e5%8a%a9%e8%bf%81%e7%a7%bb%e5%88%b0angular-2%e7%9a%84%e5%ba%93angular-http-harness%e3%80%82\/"},"modified":"2024-04-29T07:11:13","modified_gmt":"2024-04-28T23:11:13","slug":"%e4%bb%8b%e7%bb%8d%e4%b8%80%e4%b8%aa%e5%b8%ae%e5%8a%a9%e8%bf%81%e7%a7%bb%e5%88%b0angular-2%e7%9a%84%e5%ba%93angular-http-harness%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bb%8b%e7%bb%8d%e4%b8%80%e4%b8%aa%e5%b8%ae%e5%8a%a9%e8%bf%81%e7%a7%bb%e5%88%b0angular-2%e7%9a%84%e5%ba%93angular-http-harness%e3%80%82\/","title":{"rendered":"\u4ecb\u7ecd\u4e00\u4e2a\u5e2e\u52a9\u8fc1\u79fb\u5230Angular 2\u7684\u5e93angular-http-harness"},"content":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u62c9\u79d1\u3002\u6211\u60f3\u4f60\u4eec\u8fd9\u4e9b\u559c\u6b22\u5c1d\u65b0\u7684\u4eba\u5e94\u8be5\u5df2\u7ecf\u5f00\u59cb\u8fc1\u79fb\u5230Angular 2\u4e86\uff0c\u4f46\u662f\u5173\u4e8e$http\u7684\u8fc1\u79fb\u600e\u4e48\u8fdb\u884c\u5462\uff1f<br \/>\n\u4e3a\u5e2e\u52a9\u4eceAngular 1\u7684$http\u8fc1\u79fb\u5230Angular 2\u7684Http\uff0c\u6211\u5f00\u53d1\u4e86\u4e00\u4e2a\u540d\u4e3aangular-http-harness\u7684\u5e93\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u4ecb\u7ecd\u5b83\u80fd\u89e3\u51b3\u54ea\u4e9b\u95ee\u9898\u4ee5\u53ca\u8ba9\u4f60\u4eec\u4ece\u4e2d\u53d7\u76ca\u7684\u5730\u65b9\u3002<\/p>\n<h2>\u8bed\u8a00\u89c4\u8303\u7684\u7edf\u4e00<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b5\u30fc\u30d3\u30b9: \u30d3\u30e5\u30fc\u304b\u3089\u5207\u308a\u96e2\u3055\u308c\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u307e\u305f\u306f\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30ed\u30b8\u30c3\u30af\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>$http: Angular 1\u306eHTTP\u901a\u4fe1\u30e2\u30b8\u30e5\u30fc\u30eb<\/p>\n<p>Http: Angular 2\u306eHTTP\u901a\u4fe1\u30e2\u30b8\u30e5\u30fc\u30eb<\/p>\n<h2>\u968f\u7740HTTP\u7684\u8f6c\u79fb\u5e26\u6765\u7684\u95ee\u9898<\/h2>\n<p>\u6211\u8ba4\u4e3a\u51e0\u4e4e\u6240\u6709\u7684Angular 1\u5e94\u7528\u7a0b\u5e8f\u90fd\u4f7f\u7528$http\uff0c\u6240\u4ee5\u6211\u8ba4\u4e3a\u4e0d\u9700\u8981\u518d\u89e3\u91ca\u4e86\uff0c\u4f46\u662f\u518d\u8bf4\u4e00\u904d\uff0c$http\u662fAngular 1\u4e2d\u975e\u5e38\u65b9\u4fbf\u7684\u670d\u52a1\uff0c\u7528\u4e8e\u8fdb\u884c\uff08\u901a\u5e38\u662fAjax\uff09HTTP\u901a\u4fe1\u3002<\/p>\n<p>http\u7684\u7279\u70b9\u662f\u5b83\u662f\u57fa\u4e8ePromise\u7684API\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\u4e00\u4e2a\u7b80\u5355\u7684GET\u8bf7\u6c42\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">$http<\/span><span class=\"p\">.<\/span><span class=\"kd\">get<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">\/sample.json<\/span><span class=\"dl\">\"<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">.<\/span><span class=\"nx\">then<\/span><span class=\"p\">(<\/span><span class=\"nx\">resp<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">resp<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">})<\/span>\r\n  <span class=\"p\">.<\/span><span class=\"k\">catch<\/span><span class=\"p\">(<\/span><span class=\"nx\">error<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">error<\/span><span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<p>\u5e76\u4e14\uff0c$http\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u88ab\u7528\u4e8e\u5c01\u88c5\u67d0\u79cd\u7a0b\u5ea6\u7684\u670d\u52a1\uff0c\u4ee5\u8fdb\u884c\u62bd\u8c61\u5316\u548c\u5355\u5143\u6d4b\u8bd5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5c06\u6267\u884c\u4e0a\u8ff0\u8bf7\u6c42\u7684\u670d\u52a1\u5b9a\u4e49\u4e3aSampleService\uff0c\u90a3\u4e48\u5c06\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>class SampleService {\r\n\r\n  constructor($http) {\r\n    this.$http = $http;\r\n  }\r\n\r\n  getJSON() {\r\n    return this.$http.get(\"\/sample.json\");\r\n  }\r\n}\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u5c06\u6b64SampleService\u4f20\u9012\u7ed9Angular 1\u7684angular.service()\uff0c\u53ef\u4ee5\u89e3\u51b3\u4f9d\u8d56\u4e8e$http\u7684\u95ee\u9898\uff0c\u4ece\u800c\u5728\u4f7f\u7528\u65f6\u53ef\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code>angular.module(\"app.service\").service(\"sampleService\", [\"$http\", SampleService]);\r\n\r\n\r\nclass SampleController {\r\n\r\n  constructor(sampleService) {\r\n    this.sampleService = sampleService;\r\n  }\r\n}\r\n<\/code><\/pre>\n<h3>\u8ba9\u6211\u4eec\u5f00\u59cb\u8f6c\u79fb\u5230Angular 2\u5427<\/h3>\n<p>\u5f53\u6211\u4eec\u8fc1\u79fb\u5230Angular 2\u65f6\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u5173\u6ce8\u4ece\u6307\u4ee4\u548c\u63a7\u5236\u5668\u5230\u7ec4\u4ef6\u7684\u8f6c\u53d8\uff0c\u4f46\u670d\u52a1\u5c42\u5b9e\u9645\u4e0a\u66f4\u52a0\u91cd\u8981\u3002\u53ea\u8981\u9002\u5f53\u5730\u8fdb\u884c\u6a21\u5757\u5316\uff0c\u7ec4\u4ef6\u57fa\u672c\u4e0a\u53ea\u8d1f\u8d23\u5c06\u6570\u636e\u6295\u5f71\u5230\u89c6\u56fe\u4e2d\uff0c\u5982\u679c\u6570\u636e\u4e0d\u6b63\u786e\uff0c\u5219\u6ca1\u6709\u610f\u4e49\uff0c\u800c\u521b\u5efa\u8fd9\u4e9b\u6570\u636e\u7684\u662f\u670d\u52a1\u3002\u56e0\u6b64\uff0c\u5982\u679c\u670d\u52a1\u65e0\u6cd5\u8fc1\u79fb\uff0c\u5c31\u65e0\u6cd5\u7ee7\u7eed\u8fdb\u884c\u7ec4\u4ef6\u5316\u3002<\/p>\n<p>\u5e38\u89c1\u7684\u8fc1\u79fb\u7b56\u7565\u662f\u521b\u5efa\u4e34\u65f6\u526f\u672c\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u590d\u5236\u73b0\u6709\u7684TestService\u6765\u521b\u5efaNg2TestService\uff0c\u5e76\u5c06\u5176\u4e0eHttp\u76f8\u5173\u8054\u3002\u7136\u540e\u5c06\u4f9d\u8d56\u4e8eTestService\u7684\u6307\u4ee4\u548c\u63a7\u5236\u5668\u4e5f\u590d\u5236\u5230Ng2TestService\uff0c\u5e76\u91cd\u65b0\u7f16\u5199\u4ee5\u4f9d\u8d56\u4e8e\u5b83\u3002<\/p>\n<p>Angular 1\u7684\u4ee3\u7801\u53ef\u4ee5\u4e0eAngular 2\u7684\u5177\u6709\u76f8\u540c\u529f\u80fd\u7684\u4ee3\u7801\u5e76\u5b58\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u9010\u6b65\u8fc1\u79fb\u5e94\u7528\u7a0b\u5e8f\u800c\u4e0d\u4f1a\u7834\u574f\u5b83\u3002\u5f53\u4e00\u5b9a\u6570\u91cf\u7684\u4ee3\u7801\u88ab\u590d\u5236\u540e\uff0c\u53ef\u4ee5\u91cd\u5199\u6839\u90e8\u5206\u5e76\u4e22\u5f03Angular 1\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u7136\u800c\uff0c\u8fd9\u79cd\u65b9\u6cd5\u5b58\u5728\u95ee\u9898\u3002\u7531\u4e8e\u9700\u8981\u6682\u65f6\u590d\u5236\u5e76\u4fee\u6539Angular 1\u4ee3\u7801\uff0c\u6240\u4ee5\u4f1a\u4ea7\u751f\u4e0e\u73b0\u6709Angular 1\u5e94\u7528\u7a0b\u5e8f\u7684\u529f\u80fd\u5f00\u53d1\u5dee\u5f02\u3002\u6bcf\u5f53\u65b0\u589e\u65b0\u529f\u80fd\u6216\u5bf9\u73b0\u6709\u4ee3\u7801\u8fdb\u884c\u4fee\u6539\u65f6\uff0c\u90fd\u9700\u8981\u9010\u4e00\u5728Angular 2\u4e2d\u8fdb\u884c\u53cd\u6620\uff0c\u8fd9\u662f\u975e\u5e38\u7e41\u7410\u7684\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u53ea\u80fd\u5b8c\u5168\u505c\u6b62\u529f\u80fd\u5f00\u53d1\uff0c\u5e76\u4e14\u6240\u6709\u5de5\u4f5c\u65f6\u95f4\u90fd\u8981\u7528\u4e8e\u8fc1\u79fb\uff0c\u8fd9\u662f\u4e00\u4e2a\u95ee\u9898\u3002\u5982\u679c\u662f\u4e00\u4e2a\u826f\u597d\u7684\u9879\u76ee\u6216\u56e2\u961f\uff0c\u90a3\u5c31\u53e6\u5f53\u522b\u8bba\u4e86\uff0c\u4f46\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5373\u4f7f\u5de5\u7a0b\u5e08\u60f3\u8981\u5c06\u5176\u8f6c\u4e3aAngular 2\uff0c\u4e5f\u4e0d\u5141\u8bb8\u505c\u6b62\u5f53\u524d\u5e94\u7528\u7684\u5f00\u53d1\u3002<\/p>\n<p>\u7279\u522b\u662f$http\u4f1a\u8fdb\u884cHTTP\u901a\u4fe1\uff0c\u6240\u4ee5\u9700\u8981\u4e0e\u670d\u52a1\u5668\u7aef\u534f\u540c\u5408\u4f5c\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u5ba2\u6237\u7aef\u3002\u5982\u679c\u670d\u52a1\u5668\u7aef\u7684API\u53d1\u751f\u66f4\u6539\uff0c\u670d\u52a1\u4e5f\u5fc5\u987b\u76f8\u5e94\u5730\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<p>\u6362\u53e5\u8bdd\u8bf4\uff0c\u5728\u63a8\u8fdbAngular 2\u7684\u540c\u65f6\uff0c\u4e5f\u9700\u8981\u8ddf\u8fdb\u5bf9\u73b0\u6709\u5e94\u7528\u7a0b\u5e8f\u7684\u66f4\u6539\u3002<\/p>\n<h2>\u89d2\u5ea6-HTTP-\u9a6c\u5177<\/h2>\n<p>\u4e3a\u4e86\u8fbe\u5230\u8fd9\u4e2a\u76ee\u7684\uff0c\u6211\u521b\u5efa\u4e86 angular-http-harness\u3002\u8fd9\u4e2a\u5e93\u53ef\u4ee5\u5c06HTTP\u901a\u4fe1\u670d\u52a1\u5206\u6210\u201cDI\u5165\u53e3\u70b9\u201d\u548c\u201c\u670d\u52a1\u903b\u8f91\u201d\uff0c\u4ee5\u4fbf\u5728Angular 1\u548cAngular 2\u4e2d\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684\u670d\u52a1\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u7531\u4e8e\u4f7f\u7528\u4e86\u5171\u540c\u7684\u903b\u8f91\uff0c\u6240\u4ee5Angular 1\u7684\u66f4\u6539\u4f1a\u81ea\u52a8\u53cd\u6620\u51fa\u6765\u3002<\/p>\n<h3>HttpHarness\u7c7b<\/h3>\n<p>angular-http-harness\u63d0\u4f9b\u7684\u529f\u80fd\u53ea\u6709HttpHarness\u7c7b\u3002\u8fd9\u662f\u4e00\u4e2a\u5305\u88c5\u5668\uff0c\u5b83\u901a\u8fc7\u62bd\u8c61\u5316\uff0c\u5c06Angular 1\u7684$http\u548cAngular 2\u7684Http\u7684\u5dee\u5f02\u5438\u6536\u5e76\u4ee5\u76f8\u540c\u7684\u63a5\u53e3\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5c06\u73b0\u6709\u7684Angular 1\u670d\u52a1\u91cd\u5199\u4e3a\u4f7f\u7528HttpHarness\u3002\u7136\u540e\uff0c\u5c06\u8fd9\u4e2a\u7c7b\u4fdd\u7559\u4e3a\u4e00\u4e2a\u62bd\u8c61\u7c7b\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4f7f\u7528\u5b83\u3002\u4e00\u773c\u770b\u4e0a\u53bb\uff0c\u5b83\u4e0e\u5728Angular 2\u4e2d\u4f7f\u7528Http\u7684\u670d\u52a1\u4ee3\u7801\u51e0\u4e4e\u6ca1\u6709\u4ec0\u4e48\u533a\u522b\uff01<\/p>\n<p>\u8bf7\u6ce8\u610f\uff0c\u6b64\u540e\u7684\u4ee3\u7801\u662f\u4ee5Angular 2\u4e3a\u57fa\u7840\u7684TypeScript\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">abstract<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">TestService<\/span> <span class=\"p\">{<\/span>\r\n   <span class=\"k\">private<\/span> <span class=\"nx\">http<\/span><span class=\"p\">:<\/span> <span class=\"nx\">HttpHarness<\/span><span class=\"p\">;<\/span>\r\n\r\n   <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">http<\/span><span class=\"p\">:<\/span> <span class=\"nx\">HttpHarness<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n       <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">http<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">http<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"p\">}<\/span>\r\n\r\n   <span class=\"kd\">get<\/span><span class=\"p\">(<\/span><span class=\"nx\">id<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">):<\/span> <span class=\"nx\">Observable<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">TestModel<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n       <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">http<\/span><span class=\"p\">.<\/span><span class=\"kd\">get<\/span><span class=\"p\">(<\/span><span class=\"s2\">`\/<\/span><span class=\"p\">${<\/span><span class=\"nx\">id<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">)<\/span>\r\n           <span class=\"p\">.<\/span><span class=\"nx\">map<\/span><span class=\"p\">(<\/span><span class=\"nx\">resp<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">resp<\/span><span class=\"p\">.<\/span><span class=\"nx\">json<\/span><span class=\"p\">()<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">TestModel<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>HttpHarness\u5728\u57fa\u672c\u4e0a\u5177\u6709\u4e0eHttp\u76f8\u540c\u7684\u63a5\u53e3\u3002get\u548cpost\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u662fObservable\u3002<\/p>\n<h3>\u521b\u5efa\u4e00\u4e2a\u7528\u4e8eAngular 1\u7684\u670d\u52a1\u3002<\/h3>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Angular 1\u670d\u52a1\u3002\u521b\u5efaNg1TestService\u7c7b\uff0c\u5e76\u7ee7\u627f\u4e4b\u524d\u521b\u5efa\u7684TestService\u3002\u5728Ng1TestService\u7c7b\u4e2d\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5904\u7406Angular 1\u7279\u6709\u7684\u90e8\u5206\uff0c\u4e5f\u5c31\u662fDI\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5728\u6784\u9020\u51fd\u6570\u4e2d\u63a5\u6536$http\uff0c\u5e76\u7528HttpHarness.fromNg1($http)\u8fdb\u884c\u5c01\u88c5\uff0c\u7136\u540e\u5c06\u5176\u4f20\u9012\u7ed9\u7236\u7c7bTestService\u3002<\/p>\n<p>\u91cd\u8981\u7684\u662f\uff0c\u5728.service()\u51fd\u6570\u4e2d\u63d0\u4f9b\u7684\u4e0d\u662fTestService\uff0c\u800c\u662fNg1TestService\u3002\u670d\u52a1\u7684\u540d\u79f0\uff08&#8221;testService&#8221;\uff09\u6ca1\u6709\u6539\u53d8\uff0c\u56e0\u6b64\u4f7f\u7528\u670d\u52a1\u7684\u4e00\u65b9\uff08\u63a7\u5236\u5668\u6216\u6307\u4ee4\uff09\u53ea\u9700\u8981\u7b80\u5355\u5730\u5c06Promise\u8f6c\u6362\u4e3aObservable\u5c31\u53ef\u4ee5\u4e86\u3002RxJS\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3aObservable#toPromise()\u7684\u65b9\u6cd5\uff0c\u56e0\u6b64\u51e0\u4e4e\u4e0d\u9700\u8981\u6539\u52a8\u73b0\u6709\u7684\u4ee3\u7801\uff0c\u53ea\u9700\u6dfb\u52a0\u4e00\u4e2a\u65b9\u6cd5\u5373\u53ef\uff08\u5c3d\u7ba1\u5728\u5c06\u6765\u5e94\u8be5\u66ff\u6362\u4e3aObservable\u7684subscribe\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">Ng1TestService<\/span> <span class=\"kd\">extends<\/span> <span class=\"nx\">TestService<\/span> <span class=\"p\">{<\/span>\r\n\r\n    <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">$http<\/span><span class=\"p\">:<\/span> <span class=\"nx\">angular<\/span><span class=\"p\">.<\/span><span class=\"nx\">IHttpService<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">super<\/span><span class=\"p\">(<\/span><span class=\"nx\">HttpHarness<\/span><span class=\"p\">.<\/span><span class=\"nx\">fromNg1<\/span><span class=\"p\">(<\/span><span class=\"nx\">$http<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nx\">angular<\/span><span class=\"p\">.<\/span><span class=\"kr\">module<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">app<\/span><span class=\"dl\">\"<\/span><span class=\"p\">).<\/span><span class=\"nx\">service<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">testService<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">$http<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Ng1TestService<\/span><span class=\"p\">]);<\/span>\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u9996\u5148\u786e\u8ba4\u5f53\u524d\u5e94\u7528\u7a0b\u5e8f\u6ca1\u6709\u53d7\u5230\u4efb\u4f55\u5f71\u54cd\u3002<\/p>\n<h3>\u521b\u5efa\u4e00\u4e2aAngular 2\u670d\u52a1<\/h3>\n<p>\u521b\u5efaAngular 2\u670d\u52a1\u975e\u5e38\u7b80\u5355\u3002\u53ea\u9700\u521b\u5efa\u4e00\u4e2aNg2TestService\u7c7b\u7ee7\u627fTestService\u7c7b\uff0c\u5e76\u5728\u6784\u9020\u51fd\u6570\u4e2d\u5c06HttpHarness.fromNg2(http)\u4f20\u9012\u7ed9\u7236\u7c7b\u5373\u53ef\u3002\u7531\u4e8e\u6240\u6709\u903b\u8f91\u90fd\u7531TestService\u6301\u6709\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u590d\u5236\u5e76\u4fee\u6539\u4e3aAngular 2\u7279\u5b9a\u7684\u903b\u8f91\u3002<\/p>\n<pre class=\"post-pre\"><code><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=\"nx\">Ng2TestService<\/span> <span class=\"kd\">extends<\/span> <span class=\"nx\">TestService<\/span> <span class=\"p\">{<\/span>\r\n\r\n    <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">http<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Http<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">super<\/span><span class=\"p\">(<\/span><span class=\"nx\">HttpHarness<\/span><span class=\"p\">.<\/span><span class=\"nx\">fromNg2<\/span><span class=\"p\">(<\/span><span class=\"nx\">http<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u597d\u5904<\/h2>\n<p>\u5229\u7528angular-http-harness\u6765\u901a\u7528\u5316\u670d\u52a1\u903b\u8f91\uff0c\u5e76\u4e14\u53ea\u5206\u5272DI\u7684\u5165\u53e3\u70b9\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u65e0\u9700\u5f71\u54cd\u73b0\u6709\u5e94\u7528\u7a0b\u5e8f\uff0c\u4e5f\u65e0\u9700\u505c\u6b62\u529f\u80fd\u5f00\u53d1\uff0c\u987a\u5229\u8fdb\u884c\u8fc1\u79fb\u5de5\u4f5c\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u7531\u4e8eDI\u662f\u5b8c\u5168\u72ec\u7acb\u7684\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u4f7f\u7528angular2\/upgrade\u7684UpgradeAdapter\u6765\u8fdb\u884c\u590d\u6742\u7684\u5347\u7ea7\u548c\u964d\u7ea7\uff0c\u53ea\u9700\u6d4b\u8bd5\u6b63\u5728\u8fdb\u884c\u8fc7\u6e21\u7684Angular 2\u4ee3\u7801\u5373\u53ef\u3002<br \/>\n\u5728angular-http-harness\u7684\u6d4b\u8bd5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9e\u9645\u4e0a\u4f7f\u7528\u4e86Angular 1\u548cAngular 2\u7684\u670d\u52a1\uff0c\u5e76\u5206\u522b\u5728\u5b83\u4eec\u7684DI\u673a\u5236\u4e2d\u8fdb\u884c\u4e86\u6d4b\u8bd5\u3002\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u6211\u4f7f\u7528\u4e86\u6211\u81ea\u5df1\u5236\u4f5c\u7684angular2-testing-micro\u6765\u7f16\u5199\u8fd9\u4e9b\u6d4b\u8bd5\u4ee3\u7801\uff0c\u8fd9\u4f7f\u5f97\u53ef\u4ee5\u5728karma + mocha + power-assert\u7684\u73af\u5883\u4e2d\u540c\u65f6\u6d4b\u8bd5Angular 1\u548cAngular 2\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u867d\u7136\u5b8c\u5168\u662f\u81ea\u5bb6\u5e93\u7684\u5ba3\u4f20\uff0c\u4f46\u8981\u63a8\u5e7fAngular 2\uff0c\u4e0d\u53ef\u907f\u514d\u5730\u9700\u8981\u89e3\u51b3\u4eceAngular 1\u8fc1\u79fb\u7684\u95ee\u9898\u3002\u7279\u522b\u662f\u5bf9\u4e8e\u89c4\u6a21\u8f83\u5927\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u9700\u8981\u4e00\u79cd\u9010\u6b65\u3001\u90e8\u5206\u6027\u5730\u8fc1\u79fb\u800c\u4e0d\u505c\u6b62\u5f53\u524d\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u5c3d\u7ba1angular2\/upgrade\u5f88\u6709\u7528\uff0c\u4f46\u5f3a\u884c\u5728Angular 2\u4e2d\u8c03\u7528Angular 1\u7684\u4ee3\u7801\u6216\u8005\u53cd\u8fc7\u6765\uff0c\u5f80\u5f80\u4f1a\u9047\u5230\u610f\u60f3\u4e0d\u5230\u7684\u884c\u4e3a\u95ee\u9898\u3002<\/p>\n<p>\u901a\u8fc7\u50cfangular-http-harness\u8fd9\u6837\u5bf9\u4ee3\u7801\u5171\u4eab\u548cDI\u8f93\u5165\u70b9\u8fdb\u884c\u5206\u79bb\uff0c\u53ef\u80fd\u4f1a\u66f4\u987a\u5229\u5730\u5b8c\u6210\u8fc1\u79fb\uff0c\u751a\u81f3\u6bd4\u4f7f\u7528angular2\/upgrade\u66f4\u597d\u3002<\/p>\n<p>\u5e0c\u671b\u5927\u5bb6\u7684Angular 2\u8fc1\u79fb\u5de5\u4f5c\u80fd\u591f\u53d8\u5f97\u66f4\u8f7b\u677e\u4e00\u4e9b\u3002\uff1a)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u62c9\u79d1\u3002\u6211\u60f3\u4f60\u4eec\u8fd9\u4e9b\u559c\u6b22\u5c1d\u65b0\u7684\u4eba\u5e94\u8be5\u5df2\u7ecf\u5f00\u59cb\u8fc1\u79fb\u5230Angular 2\u4e86\uff0c\u4f46\u662f\u5173\u4e8e$http\u7684\u8fc1\u79fb\u600e\u4e48 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-38824","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4ecb\u7ecd\u4e00\u4e2a\u5e2e\u52a9\u8fc1\u79fb\u5230Angular 2\u7684\u5e93angular-http-harness - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4ecb\u7ecd\u4e00\u4e2a\u5e2e\u52a9\u8fc1\u79fb\u5230angular-2\u7684\u5e93angular-http-harness\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4ecb\u7ecd\u4e00\u4e2a\u5e2e\u52a9\u8fc1\u79fb\u5230Angular 2\u7684\u5e93angular-http-harness\" \/>\n<meta property=\"og:description\" content=\"\u5927\u5bb6\u597d\uff0c\u6211\u662f\u62c9\u79d1\u3002\u6211\u60f3\u4f60\u4eec\u8fd9\u4e9b\u559c\u6b22\u5c1d\u65b0\u7684\u4eba\u5e94\u8be5\u5df2\u7ecf\u5f00\u59cb\u8fc1\u79fb\u5230Angular 2\u4e86\uff0c\u4f46\u662f\u5173\u4e8e$http\u7684\u8fc1\u79fb\u600e\u4e48 [&hellip;]\" \/>\n<meta property=\"og:url\" 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