refactor: migrate to Tencent Cloud backend

miniprogram/app.js

@@ -12,14 +12,6 @@ App({
   onLaunch: function () {
     var sysInfo = wx.getSystemInfoSync()
     this.globalData.statusBarHeight = sysInfo.statusBarHeight || 44
-
-    if (!wx.cloud) {
-      console.error('请使用 2.2.3 或以上的基础库以使用云能力')
-      return
-    }
-    wx.cloud.init({
-      traceUser: true
-    })
     this.checkLogin()
   },
 
@@ -43,12 +35,21 @@ App({
   },
 
   doLogin: function () {
-    return http.post('/api/v1/auth/login', {}).then(function (data) {
-      wx.setStorageSync('token', data.token)
-      var app = getApp()
-      app.globalData.userInfo = data.user_info
-      app.globalData.userId = data.user_id
-      return data
+    return new Promise(function (resolve, reject) {
+      wx.login({
+        success: function (res) {
+          http.post('/api/v1/auth/login', { code: res.code }).then(function (data) {
+            wx.setStorageSync('token', data.token)
+            var app = getApp()
+            app.globalData.userInfo = data.user_info
+            app.globalData.userId = data.user_id
+            resolve(data)
+          }).catch(reject)
+        },
+        fail: function (err) {
+          reject({ code: 2002, message: err.errMsg || '微信登录失败' })
+        }
+      })
     })
   }
 })