微信小程序选项卡的实现方法

<view>  <view>一</view>  <view>二</view>  <view>三</view></view><swiper>  <swiper-item><view>第一屏</view></swiper-item>  <swiper-item><view>第二屏</view></swiper-item>  <swiper-item><view>第三屏</view></swiper-item></swiper>

var app=getApp()Page({ data:{  currentTab:0 }, onLoad:function(options){  // 页面初始化 options为页面跳转所带来的参数 }, //滑动切换 swiperTab:function( e ){  var that=this;  that.setData({   currentTba:e.detail.current  }); }, //点击切换 clickTab: function( e ) {   var that = this;   if( this.data.currentTab === e.target.dataset.current ) {    return false;   } else {    that.setData( {     currentTab: e.target.dataset.current    })   }  } })

.swiper-tab{  width: 100%;  border-bottom: 2rpx solid #ccc;  text-align: center;  height: 88rpx;  line-height: 88rpx;  font-weight: bold;}.swiper-tab-item{  display: inline-block;  width: 33.33%;  color:red;}.active{  color:aqua;  border-bottom: 4rpx solid red;}