<view >
 <scroll-view scroll-x="true" class="tab-h" scroll-left="{{scrollLeft}}">
  <view class="tab-item {{currentTab==0" data-current="0" bindtap="swichNav">健康</view>
  <view class="tab-item {{currentTab==1" data-current="1" bindtap="swichNav">情感</view>
  <view class="tab-item {{currentTab==2" data-current="2" bindtap="swichNav">职场</view>
  <view class="tab-item {{currentTab==3" data-current="3" bindtap="swichNav">育儿</view>
  <view class="tab-item {{currentTab==4" data-current="4" bindtap="swichNav">纠纷</view>
  <view class="tab-item {{currentTab==5" data-current="5" bindtap="swichNav">青葱</view>
  <view class="tab-item {{currentTab==6" data-current="6" bindtap="swichNav">全部</view>
  <view class="tab-item {{currentTab==7" data-current="7" bindtap="swichNav">其他</view>
 </scroll-view>
 <swiper class="tab-content" current="{{currentTab}}" duration="300" bindchange="switchTab"
  style="height:{{winHeight}}rpx">
  <swiper-item wx:for="{{[0,1,2,3,4,5,6,7]}}">
   <scroll-view scroll-y="true" class="scoll-h" >
    <block wx:for="{{[1,2,3,4,5,6,7,8]}}" wx:key="*this">
     <view class="item-ans">
      <view class="avatar">
       <image class="img" src="/UploadFiles/2021-04-02/avatar.png">

二、js部分


微信小程序在开发起来，个人感觉挺像vue的，以数据驱动视图的更新。所以在小程序中，不能直接操作dom，当然也不能使用jquery之类的库。


var app = getApp();
Page({
 data:{
  winHeight:"",//窗口高度
  currentTab:0, //预设当前项的值
  scrollLeft:0, //tab标题的滚动条位置
  expertList:[{ //假数据
   img:"avatar.png",
   name:"欢顔",
   tag:"知名情感博主",
   answer:134,
   listen:2234
  }]
 },
 // 滚动切换标签样式
 switchTab:function(e){
  this.setData({
   currentTab:e.detail.current
  });
  this.checkCor();
 },
 // 点击标题切换当前页时改变样式
 swichNav:function(e){
  var cur=e.target.dataset.current;
  if(this.data.currentTaB==cur){return false;}
  else{
   this.setData({
    currentTab:cur
   })
  }
 },
 //判断当前滚动超过一屏时，设置tab标题滚动条。
 checkCor:function(){
  if (this.data.currentTab>4){
  this.setData({
   scrollLeft:300
  })
  }else{
  this.setData({
   scrollLeft:0
  })
  }
 },
 onLoad: function() { 
  var that = this; 
  // 高度自适应
  wx.getSystemInfo( { 
   success: function( res ) { 
    var clientHeight=res.windowHeight,
     clientWidth=res.windowWidth,
     rpxR=750/clientWidth;
    var calc=clientHeight*rpxR-180;
    console.log(calc)
    that.setData( { 
     winHeight: calc 
    }); 
   } 
  });
 }, 
 footerTap:app.footerTap
})


三、wxss样式




.tab-h{
 height: 80rpx;width: 100%; box-sizing: border-box;overflow: hidden;line-height: 80rpx;background: #F7F7F7; font-size: 16px; white-space: nowrap;position: fixed;top: 0; left: 0; z-index: 99;}
.tab-item{margin:0 36rpx;display: inline-block;}
.tab-item.active{color: #4675F9;position: relative;}
.tab-item.active:after{ content: "";display: block;height: 8rpx;width: 52rpx;background: #4675F9;position: absolute; bottom: 0;left: 5rpx;border-radius: 16rpx;}
.item-ans{ width: 100%;display: flex; flex-grow: row no-wrap;justify-content: space-between; padding: 30rpx;box-sizing: border-box; height: 180rpx;align-items: center;border-bottom: 1px solid #F2F2F2;}
.avatar{width: 100rpx;height: 100rpx;position: relative;padding-right: 30rpx;}
.avatar .img{width: 100%;height: 100%;}
.avatar .doyen{width: 40rpx;height: 40rpx;position: absolute;bottom: -2px;right: 20rpx;}
.expertInfo{font-size: 12px;flex-grow: 2;color: #B0B0B0;line-height: 1.5em;}
.expertInfo .name{font-size: 16px;color:#000;margin-bottom: 6px;}
.askBtn{ width: 120rpx;height: 60rpx;line-height: 60rpx;text-align: center;font-size: 14px; border-radius: 60rpx;border: 1px solid #4675F9; color:#4675F9;}
.tab-content{margin-top: 80rpx;}
.scoll-h{height: 100%;}


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