{"id":31403,"date":"2024-11-25T11:03:49","date_gmt":"2024-11-25T03:03:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/31403\/"},"modified":"2024-11-25T11:03:49","modified_gmt":"2024-11-25T03:03:49","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e7%9a%84wx-request%e4%b8%8epromise%e7%9a%84%e7%bb%93%e5%90%88%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/31403\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684wx.request\u4e0ePromise\u7684\u7ed3\u5408\u4f7f\u7528"},"content":{"rendered":"<p style=\"text-align: left\">\u8fd9\u6b21\u7ed9\u5927\u5bb6\u5e26\u6765\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684wx.request \u4e0ePromise\u7684\u7ed3\u5408\u4f7f\u7528\uff0c\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684wx.request\u4e0ePromise\u7ed3\u5408\u4f7f\u7528\u7684\u6709\u54ea\u4e9b\uff0c\u4e0b\u9762\u5c31\u662f\u5b9e\u6218\u6848\u4f8b\uff0c\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u3002<\/p>\n<p style=\"text-align: left\">\u5728\u4f7f\u7528Promise,\u6211\u7684\u591a\u6b21\u5f02\u6b65\u4ee3\u7801\u901a\u5e38\u662f\u8fd9\u6837\u7684.<\/p>\n<pre>ajax(url, function (res){\r\n    ajax(res.url, function(res) {\r\n        ajax(res.url, function(res) {            if (res.status == '1') {\r\n                ajax(res.url, function(res) {\r\n                ...\r\n                }\r\n            }            else if (res.status == '2') {\r\n                ajax(url2, function(res) {\r\n                ...\r\n            }\r\n            ...\r\n        }\r\n    }\r\n}\r\n);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align: left\">\u8fd9\u79cd\u6d41\u7a0b\u662f\u5f88\u8017\u8d39\u5fc3\u529b\u5e76\u4e14\u8106\u5f31\u7684,\u4f53\u9a8c\u5f88\u7cdf\u7cd5,\u56e0\u6b64,\u5728\u8fd9\u6b21\u5c0f\u7a0b\u5e8f\u7684\u5f00\u53d1\u4e2d\u4e3a\u4e86\u66f4\u597d\u7684\u4f53\u9a8c,\u6211\u5f00\u59cb\u4f7f\u7528\u4e86Promise.<\/p>\n<p style=\"text-align: left\">\u4ee3\u7801\u5982\u4e0b,\u8fd9\u6837\u4e00\u6765,\u5f53\u6211\u4eec\u7b2c\u4e8c\u4e2a\u8bf7\u6c42\u9700\u8981\u7b2c\u4e00\u4e2a\u53c2\u6570\u5224\u65ad\u65f6,\u53ef\u4ee5\u4e0d\u518d\u9677\u5165\u56de\u8c03\u5730\u72f1,<\/p>\n<pre>\/\/ \u5c0f\u7a0b\u5e8f\u4e0e\u540e\u7aef\u60c5\u6c42\u63a5\u53e3\r\n    let baseUrlPromise = 'https:\/\/xxx.com';    \/\/ \u5b9a\u4e49\u65b9\u6cd5\u8fd4\u56dePromise\u53c2\u6570,obj \u4e3awx.request \u65b9\u6cd5\u4e2d\u6240\u9700\u53c2\u6570\r\n    let req = function (obj) {      return new Promise(function (resolve, reject) {\r\n        wx.request({\r\n          url: baseUrlPromise + obj.url,\r\n          data: obj.data,\r\n          header: obj.header,\r\n          method: obj.method == undefined ? \"get\" : obj.method,\r\n          success: function (data) {            \/\/ \u56de\u8c03\u6210\u529f\u6267\u884cresolve            resolve(data)\r\n          },\r\n          fail: function (data) {            \/\/ \u56de\u8c03\u5931\u8d25\u65f6\r\n            if (typeof reject == 'function') {\r\n              reject(data);\r\n            } else {\r\n              console.log(data);\r\n            }\r\n          },\r\n        })\r\n      })\r\n    }    \/\/ \u6267\u884creq \u65b9\u6cd5,\u4f20\u5165\u7b2c\u4e00\u4e2a\u8bf7\u6c42,\r\n    let req1 = req({\r\n      url: '\u7b2c\u4e00\u6b21\u8bf7\u6c42\u94fe\u63a5,\u4e0ebaseUrlPromise \u76f8\u7ed3\u5408',\r\n      data: {},\r\n    })    \/\/ \u5f53\u9700\u8981\u591a\u6b21\u8bf7\u6c42\u65f6\u52a0\u5165\r\n    req1.then(function (data) {\r\n      console.log('promiseThen1')\r\n      console.log(data);      return req({\r\n        url: '\u7b2c\u4e8c\u6b21\u8bf7\u6c42\u94fe\u63a5',\r\n      })\r\n    }).then(function (data) {\r\n      console.log('promiseThen3')\r\n      console.log(data);      return req({\r\n        url:'\u7b2c\u4e09\u6b21\u8bf7\u6c42\u94fe\u63a5'\r\n      })\r\n   }).then(......).catch(function(data){\r\n      console.log(PromiseCatch)\r\n   })<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u76f8\u4fe1\u770b\u4e86\u672c\u6587\u6848\u4f8b\u4f60\u5df2\u7ecf\u638c\u63e1\u4e86\u65b9\u6cd5\uff0c\u66f4\u591a\u7cbe\u5f69\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n<p>\u63a8\u8350\u9605\u8bfb\uff1a<\/p>\n<p><\/p>\n<p><\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684wx.request\u4e0ePromise\u7684\u7ed3\u5408\u4f7f\u7528\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>\u8fd9\u6b21\u7ed9\u5927\u5bb6\u5e26\u6765\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684wx.request \u4e0ePromise\u7684\u7ed3\u5408\u4f7f\u7528\uff0c\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684wx.request\u4e0ePromise\u7ed3\u5408\u4f7f\u7528\u7684\u6709\u54ea\u4e9b\uff0c\u4e0b\u9762\u5c31\u662f\u5b9e\u6218\u6848\u4f8b\uff0c\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u3002 \u5728\u4f7f\u7528Promise,\u6211\u7684\u591a\u6b21\u5f02\u6b65\u4ee3\u7801\u901a\u5e38\u662f\u8fd9\u6837\u7684. ajax(url, function (res){ ajax(res.url, function(res) { ajax(res.url, function(res) { if (res.status == &#8216;1&#8217;) { ajax(res.url, function(res) { &#8230; } } else if (res.status == &#8216;2&#8217;) { ajax(url2, function(res) { &#8230; } &#8230; } } } ); \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u79cd\u6d41\u7a0b\u662f\u5f88\u8017\u8d39\u5fc3\u529b\u5e76\u4e14\u8106\u5f31\u7684,\u4f53\u9a8c\u5f88\u7cdf\u7cd5,\u56e0\u6b64,\u5728\u8fd9\u6b21\u5c0f\u7a0b\u5e8f\u7684\u5f00\u53d1\u4e2d\u4e3a\u4e86\u66f4\u597d\u7684\u4f53\u9a8c,\u6211\u5f00\u59cb\u4f7f\u7528\u4e86Promise. \u4ee3\u7801\u5982\u4e0b,\u8fd9\u6837\u4e00\u6765,\u5f53\u6211\u4eec\u7b2c\u4e8c\u4e2a\u8bf7\u6c42\u9700\u8981\u7b2c\u4e00\u4e2a\u53c2\u6570\u5224\u65ad\u65f6,\u53ef\u4ee5\u4e0d\u518d\u9677\u5165\u56de\u8c03\u5730\u72f1, \/\/ \u5c0f\u7a0b\u5e8f\u4e0e\u540e\u7aef\u60c5\u6c42\u63a5\u53e3 let baseUrlPromise = &#8216;https:\/\/xxx.com&#8217;; \/\/ \u5b9a\u4e49\u65b9\u6cd5\u8fd4\u56dePromise\u53c2\u6570,obj \u4e3awx.request \u65b9\u6cd5\u4e2d\u6240\u9700\u53c2\u6570 let req = [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-31403","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31403","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=31403"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31403\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=31403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=31403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=31403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}