1

laomenkuang_project/app.js

         success: res => {
           // 发送 res.code 到后台换取 openId, sessionKey, unionId
           // console.log(res)
-          if (res.code){
+          if (res.code) {
+            console.log(res.code)
             wx.request({
               url: this.globalData.httpUrl+'openid',
               header: {
                 code: res.code
               },
               success: e => {
-                // console.log(e)
+                console.log(e)
                 if (e.data.code == 200) {
                   this.globalData.openId = e.data.data.openid;
                   this.globalData.session_key = e.data.data.session_key;
                   wx.setStorageSync('openid', e.data.data.openid)
                   wx.setStorageSync('session_key', e.data.data.session_key)
                   wx.setStorageSync('token', e.data.data.token)
-
+                  // if (this.globalData.openidSuccessFuc) {
+                  //   this.globalData.openidSuccessFuc();
+                  // }
                 }
               }
             })
         wx.reLaunch({
           url: '/pages/register/register'
         })
-      } else if (e.code == 202){//已注册跳到首页购券大厅
-        wx.switchTab({
-          url: '/pages/index/index'
-        })
+      } else if (e.code == 202){//已注册
+        if (this.globalData.present_id){
+          wx.reLaunch({
+            url: '/pages/receiveTicket/receiveTicket?shareId=' + this.globalData.present_id + "&number=" + this.globalData.number
+          })
+        } else {
+          wx.switchTab({
+            url: '/pages/index/index'
+          })
+        }
       }
     },this)
   },
   globalData: {
+    openidSuccessFuc: null,//方法回调
     userInfo: null,
     present_id:"",//判断用户是通过领取优惠券进来的还是直接进的
     number:"",//赠送优惠券的数量

laomenkuang_project/pages/TicketDetails/TicketDetails.js

   data: {
     ticketUser: [],//优惠券信息
     ticketStateArr:[],//优惠券使用状态
+    codePicUrl:"",//二维码图片地址
+    yesCode: false,//二维码图片隐藏
   },
 
   /**
    */
   onLoad: function (options) {
     console.log(options.id)
-    this.getTicketUser(options.id,1)
+    this.getTicketUser(options.id, 1)
+    this.getCodeFn(options.id)
   },
   getTicketUser: function (id,from) {//获取优惠券信息
     app.wxRequest(app.globalData.httpUrl + 'couponsell/detail', { coupon_sell_id: id, from: from}, e => {
       }
     }, this)
   },
+  getCodeFn:function(id){//获取二维码
+    app.wxRequest(app.globalData.httpUrl + 'couponbuy/getqrcode', { coupon_sell_id: id}, e => {
+      console.log(e)
+      if (e.code == 200) {
+        this.setData({
+          codePicUrl: e.data.coupon_url,
+        })
+      }
+    }, this)
+  },
+  showCode:function(){//查看二维码
+    this.setData({
+      yesCode: true,
+    })
+  },
   /**
    * 生命周期函数--监听页面初次渲染完成
    */

laomenkuang_project/pages/TicketDetails/TicketDetails.wxml

   </view>
 
   <view class="lookView">
-    <button plain="true" size="mini" class="lookCode">点击查看二维码</button>
+    <button wx:if="{{!yesCode}}" plain="true" size="mini" class="lookCode" bindtap="showCode">点击查看二维码</button>
+    <image wx:else class="codeImg" src="{{codePicUrl}}"></image>
   </view>
   <!-- <scroll-view class="scrollY" scroll-y="true">
     <view class="history" wx:for="{{ticketStateArr}}">

laomenkuang_project/pages/TicketDetails/TicketDetails.wxss

   text-align: center;
   margin-top: 100rpx;
 }
+.codeImg{
+  width: 200rpx;
+  height: 200rpx;
+}
+
 /* .scrollY{
   height: 200rpx;
   margin-top: 107rpx;

laomenkuang_project/pages/receiveTicket/receiveTicket.js

     // })
   },
 
-  getTicketUser: function (id,number) {//获取优惠券信息
+  getTicketUser: function (id,number) {//获取赠送优惠券信息
     app.wxRequest(app.globalData.httpUrl + 'couponbuy/presentvisit', { present_id: id, present_num: number }, e => {
       console.log(e)
       if (e.code == 201) {

laomenkuang_project/pages/register/register.js

         })
         setTimeout(function () {
           if (app.globalData.present_id){
-            wx.switchTab({
+            wx.reLaunch({
               url: '/pages/receiveTicket/receiveTicket?shareId=' + app.globalData.present_id + "&number=" + app.globalData.number
             })
           } else {
             })
           }
         }, 1000)
+      }else{
+        wx.showToast({
+          title: e.message,
+          duration:500
+        })
       }
     }, this,"POST")
   },