{"id":31261,"date":"2024-11-25T11:08:02","date_gmt":"2024-11-25T03:08:02","guid":{"rendered":"https:\/\/fwq.ai\/blog\/31261\/"},"modified":"2024-11-25T11:08:02","modified_gmt":"2024-11-25T03:08:02","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8fpromise%e7%ae%80%e5%8c%96%e5%9b%9e%e8%b0%83%e5%ae%9e%e4%be%8b%e5%88%86%e4%ba%ab","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/31261\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8fPromise\u7b80\u5316\u56de\u8c03\u5b9e\u4f8b\u5206\u4eab"},"content":{"rendered":"<p>promise \u662f\u5f02\u6b65\u7f16\u7a0b\u7684\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\uff0c\u6bd4\u4f20\u7edf\u7684\u89e3\u51b3\u65b9\u6848\u2014\u2014\u56de\u8c03\u51fd\u6570\u548c\u4e8b\u4ef6\u2014\u2014\u66f4\u5408\u7406\u548c\u66f4\u5f3a\u5927\u3002\u5b83\u7531\u793e\u533a\u6700\u65e9\u63d0\u51fa\u548c\u5b9e\u73b0\uff0ces6 \u5c06\u5176\u5199\u8fdb\u4e86\u8bed\u8a00\u6807\u51c6\uff0c\u7edf\u4e00\u4e86\u7528\u6cd5\uff0c\u539f\u751f\u63d0\u4f9bpromise\u5bf9\u8c61\u3002\u672c\u6587\u4e3b\u8981\u548c\u5927\u5bb6\u4ecb\u7ecd\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4f7f\u7528promise\u7b80\u5316\u56de\u8c03\uff0c\u5c0f\u7f16\u89c9\u5f97\u633a\u4e0d\u9519\u7684\uff0c\u73b0\u5728\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u4e5f\u7ed9\u5927\u5bb6\u505a\u4e2a\u53c2\u8003\u3002\u4e00\u8d77\u8ddf\u968f\u5c0f\u7f16\u8fc7\u6765\u770b\u770b\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\u3002<\/p>\n<p>\u6240\u8c13Promise\uff0c\u7b80\u5355\u8bf4\u5c31\u662f\u4e00\u4e2a\u5bb9\u5668\uff0c\u91cc\u9762\u4fdd\u5b58\u7740\u67d0\u4e2a\u672a\u6765\u624d\u4f1a\u7ed3\u675f\u7684\u4e8b\u4ef6\uff08\u901a\u5e38\u662f\u4e00\u4e2a\u5f02\u6b65\u64cd\u4f5c\uff09\u7684\u7ed3\u679c\u3002\u4ece\u8bed\u6cd5\u4e0a\u8bf4\uff0cPromise \u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u4ece\u5b83\u53ef\u4ee5\u83b7\u53d6\u5f02\u6b65\u64cd\u4f5c\u7684\u6d88\u606f\u3002Promise \u63d0\u4f9b\u7edf\u4e00\u7684 API\uff0c\u5404\u79cd\u5f02\u6b65\u64cd\u4f5c\u90fd\u53ef\u4ee5\u7528\u540c\u6837\u7684\u65b9\u6cd5\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u4e86\u89e3\u4ec0\u4e48\u662f Promise \u5bf9\u8c61<\/p>\n<p>\u5728\u9879\u76ee\u4e2d\uff0c\u4f1a\u51fa\u73b0\u5404\u79cd\u5f02\u6b65\u64cd\u4f5c\uff0c\u5982\u679c\u4e00\u4e2a\u5f02\u6b65\u64cd\u4f5c\u7684\u56de\u8c03\u91cc\u8fd8\u6709\u5f02\u6b65\u64cd\u4f5c\uff0c\u5c31\u4f1a\u51fa\u73b0\u56de\u8c03\u91d1\u5b57\u5854\u3002<\/p>\n<p><strong>\u6bd4\u5982\u4e0b\u9762\u8fd9\u79cd<\/strong><\/p>\n<pre>\/\/&nbsp;\u6a21\u62df\u83b7\u53d6code\uff0c\u7136\u540e\u5c06code\u4f20\u7ed9\u540e\u53f0\uff0c\u6210\u529f\u540e\u83b7\u53d6userinfo\uff0c\u518d\u5c06userinfo\u4f20\u7ed9\u540e\u53f0\r\n\/\/&nbsp;\u767b\u5f55\r\nwx.login({\r\n&nbsp;&nbsp;success:&nbsp;res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;code&nbsp;=&nbsp;res.code\r\n&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u8bf7\u6c42\r\n&nbsp;&nbsp;&nbsp;&nbsp;imitationPost({\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;url:&nbsp;'\/test\/loginWithCode',\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;data:&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;code\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;success:&nbsp;data&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u83b7\u53d6userInfo\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;wx.getUserInfo({\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;success:&nbsp;res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;userInfo&nbsp;=&nbsp;res.userInfo\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u8bf7\u6c42\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;imitationPost({\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;url:&nbsp;'\/test\/saveUserInfo',\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;data:&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;userInfo\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;success:&nbsp;data&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(data)\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fail:&nbsp;res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(res)\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;})\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fail:&nbsp;res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(res)\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;})\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fail:&nbsp;res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(res)\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;})\r\n&nbsp;&nbsp;},\r\n&nbsp;&nbsp;fail:&nbsp;res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;console.log(res)\r\n&nbsp;&nbsp;}\r\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4e0b\u9762\u5206\u6790\u5982\u4f55\u7528Promise\u6765\u8fdb\u884c\u7b80\u5316\u4ee3\u7801<\/strong><\/p>\n<p>\u56e0\u4e3a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f02\u6b65api\u90fd\u662fsuccess\u548cfail\u7684\u5f62\u5f0f\uff0c\u6240\u6709\u6709\u4eba\u5c01\u88c5\u4e86\u8fd9\u6837\u4e00\u4e2a\u65b9\u6cd5:<\/p>\n<p>promisify.js<\/p>\n<pre>module.exports&nbsp;=&nbsp;(api)&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;return&nbsp;(options,&nbsp;...params)&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;new&nbsp;Promise((resolve,&nbsp;reject)&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;api(Object.assign({},&nbsp;options,&nbsp;{&nbsp;success:&nbsp;resolve,&nbsp;fail:&nbsp;reject&nbsp;}),&nbsp;...params);\r\n&nbsp;&nbsp;&nbsp;&nbsp;});\r\n&nbsp;&nbsp;}\r\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5148\u770b\u6700\u7b80\u5355\u7684:<\/p>\n<pre>\/\/&nbsp;\u83b7\u53d6\u7cfb\u7edf\u4fe1\u606f\r\nwx.getSystemInfo({\r\n&nbsp;&nbsp;success:&nbsp;res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;success\r\n&nbsp;&nbsp;&nbsp;&nbsp;console.log(res)\r\n&nbsp;&nbsp;},\r\n&nbsp;&nbsp;fail:&nbsp;res&nbsp;=&amp;gt;&nbsp;{\r\n\r\n&nbsp;&nbsp;}\r\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f7f\u7528\u4e0a\u9762\u7684promisify.js\u7b80\u5316\u540e:<\/p>\n<pre>const&nbsp;promisify&nbsp;=&nbsp;require('.\/promisify')\r\nconst&nbsp;getSystemInfo&nbsp;=&nbsp;promisify(wx.getSystemInfo)\r\n\r\ngetSystemInfo().then(res=&amp;gt;{\r\n&nbsp;&nbsp;\/\/&nbsp;success\r\n&nbsp;&nbsp;console.log(res)\r\n}).catch(res=&amp;gt;{\r\n\r\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/054\/025\/b220af07758dc200dca7eb2561c2601d-0.png\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8fPromise\u7b80\u5316\u56de\u8c03\u5b9e\u4f8b\u5206\u4eab\u63d2\u56fe\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8fPromise\u7b80\u5316\u56de\u8c03\u5b9e\u4f8b\u5206\u4eab\u63d2\u56fe\" \/><\/p>\n<p style=\"text-align: center\">getSystemInfo<\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u7b80\u5316\u540e\u7684\u56de\u8c03\u91cc\u5c11\u4e86\u4e00\u4e2a\u7f29\u8fdb\uff0c\u5e76\u4e14\u56de\u8c03\u51fd\u6570\u4ece9\u884c\u51cf\u5c11\u5230\u4e866\u884c\u3002<\/p>\n<p><strong>\u56de\u8c03\u91d1\u5b57\u5854\u7684\u7b80\u5316\u6548\u679c<\/strong><\/p>\n<p>\u90a3\u4e48\u518d\u6765\u770b\u770b\u6700\u5f00\u59cb\u7684\u90a3\u4e2a\u56de\u8c03\u91d1\u5b57\u5854<\/p>\n<pre>const&nbsp;promisify&nbsp;=&nbsp;require('.\/promisify')\r\nconst&nbsp;login&nbsp;=&nbsp;promisify(wx.login)\r\nconst&nbsp;getSystemInfo&nbsp;=&nbsp;promisify(wx.getSystemInfo)\r\n\r\n\/\/&nbsp;\u767b\u5f55\r\nlogin().then(res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;let&nbsp;code&nbsp;=&nbsp;res.code\r\n&nbsp;&nbsp;\/\/&nbsp;\u8bf7\u6c42\r\n&nbsp;&nbsp;pImitationPost({\r\n&nbsp;&nbsp;&nbsp;&nbsp;url:&nbsp;'\/test\/loginWithCode',\r\n&nbsp;&nbsp;&nbsp;&nbsp;data:&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;code\r\n&nbsp;&nbsp;&nbsp;&nbsp;},\r\n&nbsp;&nbsp;}).then(data&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u83b7\u53d6userInfo\r\n&nbsp;&nbsp;&nbsp;&nbsp;getUserInfo().then(res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;userInfo&nbsp;=&nbsp;res.userInfo\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u8bf7\u6c42\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pImitationPost({\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;url:&nbsp;'\/test\/saveUserInfo',\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;data:&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;userInfo\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}).then(data&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(data)\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}).catch(res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(res)\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;})\r\n&nbsp;&nbsp;&nbsp;&nbsp;}).catch(res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(res)\r\n&nbsp;&nbsp;&nbsp;&nbsp;})\r\n&nbsp;&nbsp;}).catch(res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;console.log(res)\r\n&nbsp;&nbsp;})\r\n}).catch(res&nbsp;=&amp;gt;&nbsp;{\r\n&nbsp;&nbsp;console.log(res)\r\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/054\/025\/b220af07758dc200dca7eb2561c2601d-1.jpg\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8fPromise\u7b80\u5316\u56de\u8c03\u5b9e\u4f8b\u5206\u4eab\u63d2\u56fe1\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8fPromise\u7b80\u5316\u56de\u8c03\u5b9e\u4f8b\u5206\u4eab\u63d2\u56fe1\" \/><\/p>\n<p style=\"text-align: center\">\u7b80\u5316\u56de\u8c03<\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u7b80\u5316\u6548\u679c\u975e\u5e38\u660e\u663e\u3002<\/p>\n<p>\u540c\u6837\u9002\u7528\u4e8e\u7f51\u9875\u6216\u8005nodejs\u7b49\u4e2d\u3002<\/p>\n<p><strong>\u76f8\u5173\u63a8\u8350\uff1a<\/strong><\/p>\n<\/p>\n<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8fPromise\u7b80\u5316\u56de\u8c03\u5b9e\u4f8b\u5206\u4eab\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>promise \u662f\u5f02\u6b65\u7f16\u7a0b\u7684\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\uff0c\u6bd4\u4f20\u7edf\u7684\u89e3\u51b3\u65b9\u6848\u2014\u2014\u56de\u8c03\u51fd\u6570\u548c\u4e8b\u4ef6\u2014\u2014\u66f4\u5408\u7406\u548c\u66f4\u5f3a\u5927\u3002\u5b83\u7531\u793e\u533a\u6700\u65e9\u63d0\u51fa\u548c\u5b9e\u73b0\uff0ces6 \u5c06\u5176\u5199\u8fdb\u4e86\u8bed\u8a00\u6807\u51c6\uff0c\u7edf\u4e00\u4e86\u7528\u6cd5\uff0c\u539f\u751f\u63d0\u4f9bpromise\u5bf9\u8c61\u3002\u672c\u6587\u4e3b\u8981\u548c\u5927\u5bb6\u4ecb\u7ecd\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4f7f\u7528promise\u7b80\u5316\u56de\u8c03\uff0c\u5c0f\u7f16\u89c9\u5f97\u633a\u4e0d\u9519\u7684\uff0c\u73b0\u5728\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u4e5f\u7ed9\u5927\u5bb6\u505a\u4e2a\u53c2\u8003\u3002\u4e00\u8d77\u8ddf\u968f\u5c0f\u7f16\u8fc7\u6765\u770b\u770b\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\u3002 \u6240\u8c13Promise\uff0c\u7b80\u5355\u8bf4\u5c31\u662f\u4e00\u4e2a\u5bb9\u5668\uff0c\u91cc\u9762\u4fdd\u5b58\u7740\u67d0\u4e2a\u672a\u6765\u624d\u4f1a\u7ed3\u675f\u7684\u4e8b\u4ef6\uff08\u901a\u5e38\u662f\u4e00\u4e2a\u5f02\u6b65\u64cd\u4f5c\uff09\u7684\u7ed3\u679c\u3002\u4ece\u8bed\u6cd5\u4e0a\u8bf4\uff0cPromise \u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u4ece\u5b83\u53ef\u4ee5\u83b7\u53d6\u5f02\u6b65\u64cd\u4f5c\u7684\u6d88\u606f\u3002Promise \u63d0\u4f9b\u7edf\u4e00\u7684 API\uff0c\u5404\u79cd\u5f02\u6b65\u64cd\u4f5c\u90fd\u53ef\u4ee5\u7528\u540c\u6837\u7684\u65b9\u6cd5\u8fdb\u884c\u5904\u7406\u3002 \u4e86\u89e3\u4ec0\u4e48\u662f Promise \u5bf9\u8c61 \u5728\u9879\u76ee\u4e2d\uff0c\u4f1a\u51fa\u73b0\u5404\u79cd\u5f02\u6b65\u64cd\u4f5c\uff0c\u5982\u679c\u4e00\u4e2a\u5f02\u6b65\u64cd\u4f5c\u7684\u56de\u8c03\u91cc\u8fd8\u6709\u5f02\u6b65\u64cd\u4f5c\uff0c\u5c31\u4f1a\u51fa\u73b0\u56de\u8c03\u91d1\u5b57\u5854\u3002 \u6bd4\u5982\u4e0b\u9762\u8fd9\u79cd \/\/&nbsp;\u6a21\u62df\u83b7\u53d6code\uff0c\u7136\u540e\u5c06code\u4f20\u7ed9\u540e\u53f0\uff0c\u6210\u529f\u540e\u83b7\u53d6userinfo\uff0c\u518d\u5c06userinfo\u4f20\u7ed9\u540e\u53f0 \/\/&nbsp;\u767b\u5f55 wx.login({ &nbsp;&nbsp;success:&nbsp;res&nbsp;=&amp;gt;&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;code&nbsp;=&nbsp;res.code &nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u8bf7\u6c42 &nbsp;&nbsp;&nbsp;&nbsp;imitationPost({ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;url:&nbsp;&#8216;\/test\/loginWithCode&#8217;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;data:&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;code &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;success:&nbsp;data&nbsp;=&amp;gt;&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u83b7\u53d6userInfo &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;wx.getUserInfo({ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;success:&nbsp;res&nbsp;=&amp;gt;&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;userInfo&nbsp;=&nbsp;res.userInfo &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u8bf7\u6c42 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;imitationPost({ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;url:&nbsp;&#8216;\/test\/saveUserInfo&#8217;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;data:&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;userInfo &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;success:&nbsp;data&nbsp;=&amp;gt;&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(data) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fail:&nbsp;res&nbsp;=&amp;gt;&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(res) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fail:&nbsp;res&nbsp;=&amp;gt;&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(res) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fail:&nbsp;res&nbsp;=&amp;gt;&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(res) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} &nbsp;&nbsp;&nbsp;&nbsp;}) &nbsp;&nbsp;}, &nbsp;&nbsp;fail:&nbsp;res&nbsp;=&amp;gt;&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;console.log(res) &nbsp;&nbsp;} 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