微信授权登录，获取授权凭证改为后端获取

pages/forgetPassword/forgetPassword.js

@@ -44,7 +44,7 @@ Page({
         if (res.success) {
           this.countDown()
           wx.showToast({
-            title: '发送成功'+ res.result,
+            title: '发送成功',
             icon: 'none',
             duration: 2000
           })
@@ -272,26 +272,24 @@ Page({
     wx.login({
       success (res) {
         if (res.code) {
-          //发起网络请求
-          wx.request({
-            url: 'https://api.weixin.qq.com/sns/jscode2session',
-            data: {
-              appid: 'wx24914e866df035fb',
-              secret: '0d2830f26f57722716249f2b2236f409',
-              js_code: res.code,
-              grant_type: 'authorization_code'
-            },
-            success (res) { // 成功拿到openId
+          let params = {
+            appid: appId,
+            secret: secret,
+            js_code: res.code,
+            grant_type: 'authorization_code'
+          }
+          UserApi.getWxLoginPromise(params).then(res => {
+            if (res.success) { // 成功拿到openId
               // 微信和该账号绑定
               let params = {
-                openId: res.openId,
+                openId: res.result.openid,
                 rsaPublicKey: that.data.rsaPublicKey
               }
               UserApi.wxBind(params).then(res=>{})
             }
           })
         } else {
-          console.log('授权失败！' + res.errMsg)
+          console.log('授权失败！' + res.message)
         }
       }
     })