How to achieve left and right sliding in WeChat mini program

<swiper class=&#39;swiper-item__content&#39; current="" bindchange="changeswiper">
 <swiper-item class="swip">
  <view class=&#39;page__bd_content&#39;> 
   <image class="slide-image" src="http://pic.qqtn.com/up/2017-12/15126388387704237.jpg" mode="scaleToFill"/> 
   <view class="name">K</view>
   <view class="age">♂21</view>
   <view class="conste">金牛座</view>
   <view class="status">文化/教育</view> 
  </view>
 </swiper-item>
</swiper>

<view class="page__ft">
 <image class="notlike {{left?&#39;active&#39;:&#39;&#39;}}" src="../../images/notlike.png" />
 <image class="like {{right?&#39;active&#39;:&#39;&#39;}}" src="../../images/like.png" />
 </view>

.active {
 animation: active 1s ease;//定义一个叫做active的动画
}
@keyframes active {//补充active动作脚本
 0% {
  transform: scale(0.8);
 }
 50% {
  transform: scale(1.2);
 }
 100% {
  transform: scale(1.0);
 }
}

data: {
 left: false ,
 right: false,
 activeIndex: 0
},

changeswiper: function(e) {
 var index = e.detail.current;//当前所在页面的 index
 if(index > this.data.activeIndex) {//左滑事件判断
  this.setData({
  left: true//若为左滑，left值为true,触发图片动画效果
  })
 } else if(index < this.data.activeIndex) {//右滑事件判断
  this.setData({
  right: true//若为右滑，right值为true,触发图片动画效果
  })
 }
 setTimeout(() => {//每滑动一次，数据发生变化
  this.setData({
  activeIndex: index,
  left:false,
  right:false
  })
 }, 1000);
 },

<image class="addImg" src="{{imgUrl}}" bindtap="uploadImg" />

data: {
 imgUrl: '../../images/addImg.png'
 },

uploadImg: function(e) {
var that = this;
wx.chooseImage({
 count: 1, //上传图片数量
 sizeType: ['original', 'compressed'], // 可以指定是原图还是压缩图，默认二者都有
 sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
 success: function (res) {// 返回选定照片的本地文件路径列表，tempFilePath可以作为img标签的src属性显示图片
  var tempFilePaths = res.tempFilePaths;
  that.setData({
   imgUrl: tempFilePaths
 })
  wx.showToast({//显示上传成功
   title: '上传成功',
   icon: 'success',
   duration: 2000
 })
 }
})，

<swiper-item>
 <view class="swiper-item__content">
  <block wx:for="{{friendsList}}" wx:key="index">
   <view class="weui-tab__content">
    <view class="weui-media-box__hd">
     <image src="{{item.avatar}}" mode="aspectFit"></image>
    </view> 
    <view class="weui-media-box__bd">
     <view class="weui-media-box__nickname">{{item.nickname}}</view>
     <view class="weui-media-box__message">{{item.message}}</view>
    </view>
   </view>
  </block>
 </view>
</swiper-item>

wx.request({
  url: 'https://www.easy-mock.com/mock/5a23dbf382614c0dc1bebf04/getFriendsList/getFriendsList',
  success: (res) => {
  // console.log(response);
  this.setData({
   friendsList: res.data.data.friendsList
  })
  }
 })