修改

pages/index/index.js

@@ -56,10 +56,10 @@ Page({
       'https://static.ticket.sz-trip.com/uploads/20240228/24010b7a7a88b91c0ea75cf3f073702e.png',
       'https://static.ticket.sz-trip.com/uploads/20240228/59e199b98bfb9fbe4fd996503d5f5698.png',
     ],
-    // viewHeight:"0px",
+    viewHeight:"0px",
   },
   onLoad: function (options) {
-    // this.getHeight()
+    this.getHeight()
     //全屏广告
     wx.hideTabBar() //这里隐藏了底部导航栏
     commonApi._post("adv/getAdv", {
@@ -84,7 +84,7 @@ Page({
         }, 1000)
         let length = res.data.length
         if (res.data.length > 1) {
-          let num = Math.round(Math.random()*length)-1;
+          let num = Math.floor(Math.random()*length);
           console.log('num',num);
           this.setData({
             startList:res.data[num]
@@ -146,18 +146,18 @@ Page({
     this.getVideoPrize()
     this.getXpthList()
   },
-  // getHeight() {
-  //   let that = this
-  //   wx.getSystemInfo({
-  //     success(res) {
-  //       console.log(res)
-  //       that.setData({
-  //         viewHeight:res.windowHeight+'px'
-  //       })
-  //       console.log(that.data.viewHeight)
-  //     }
-  //   })
-  // },
+  getHeight() {
+    let that = this
+    wx.getSystemInfo({
+      success(res) {
+        console.log(res)
+        that.setData({
+          viewHeight:res.windowHeight+'px'
+        })
+        console.log(that.data.viewHeight)
+      }
+    })
+  },
   getXpthList:function () {
     // 元旦新增 新品特惠
     commonApi._post("product/get_product_indulgence", {