微信小程序如何實(shí)現(xiàn)滑動(dòng)

<view class="wrapper">
 <view class="container">
  <view class="list">
   <view class="line" bindtouchstart="touchstartX" bindtap="resetX" bindtouchmove="touchmoveX" bindtouchend="touchendX" animation="{{currentIndex === index &#63;animation : ''}}" data-index="{{index}}" wx:for="{{recordList}}" wx:key="id">
    <image class="icon-title" src="../../images/start_icon.png"></image>
    <view class="mes">
     <view class="title">{{item.title}}</view>
     <view class="date">預(yù)約時(shí)間：{{item.date}}</view>
     <view class="status">狀態(tài)：<text>{{item.status}}</text></view>
    </view>
    <view class="operation">
     <view class="detail" catchtap="openDetail">詳情</view>
     <view class="number" catchtap="getNumber">取號</view>
     <view class="delete" catchtap="deleteItem">刪除</view>
    </view>
   </view>
  </view>
 </view>
</view>

.container .line {
 display: flex;
 padding: 20rpx 30rpx;
 border-bottom: 2rpx solid #ebebeb;
 position: relative;
 cursor: pointer;
}
 
.container .line .icon-title {
 margin-top: 28rpx;
 width: 30rpx;
 height: 30rpx;
}
 
.container .line .mes {
 flex: 1;
 margin-left: 10rpx;
}
 
.container .line .mes .date, .container .line .mes .status {
 color: #9d9d9d;
 font-size: 24rpx;
 margin-top: 4rpx;
}
 
.status text {
 color: #fba500;
}
 
.operation {
 position: absolute;
 top: 0;
 right: -300rpx;
 height: 152rpx;
 text-align: center;
 color: #fff;
 line-height: 152rpx;
 display: flex;
}
 
.operation view {
 width: 100rpx;
}
 
.operation .detail {
 background-color: #018efb;
}
 
.operation .number {
 background-color: #fba500;
}
 
.operation .delete {
 background-color: #cfcfcf;
}

let movedistance = 0;
Page({
 data: {
  currentIndex: 0, // 列表操作項(xiàng)的index
  recordList: [{ // 列表數(shù)據(jù)
   id: 1,
   title: '業(yè)務(wù)辦理01',
   date: '2020-04-21 10:30-12:00',
   status: '未取號'
  }, {
   id: 2,
   title: '業(yè)務(wù)辦理02',
   date: '2020-04-21 10:30-12:00',
   status: '未取號'
  }, {
   id: 3,
   title: '業(yè)務(wù)辦理03',
   date: '2020-04-21 10:30-12:00',
   status: '取號'
  }]
 },
 // 打開詳情頁
 openDetail() {
  console.log(this.data.currentIndex, '點(diǎn)擊詳情');
 },
 // 取號
 getNumber() {
  console.log(this.data.currentIndex, '點(diǎn)擊取號');
 },
 // 刪除數(shù)據(jù)
 deleteItem() {
  let that = this;
  let recordList = this.data.recordList;
  wx.showModal({
   title: '提示',
   content: '是否刪除該條數(shù)據(jù)？',
   success(res) {
    if (res.confirm) {
     that.slideAnimation(0, 500);
     recordList.splice(that.data.currentIndex, 1);
     that.setData({
      recordList: recordList
     });
    } else if (res.cancel) {
     console.log('用戶點(diǎn)擊取消')
    }
   }
  });
 },
 // 手指觸摸動(dòng)作開始
 touchstartX(e) {
  this.setData({
   currentIndex: e.currentTarget.dataset.index
  });
  // 獲取觸摸X坐標(biāo)
  this.recordX = e.touches[0].clientX;
 },
 // 點(diǎn)擊操作
 resetX() {
  this.slideAnimation(0, 500);
 },
 // 手指觸摸后移動(dòng)
 touchmoveX(e) {
  let currentX = e.touches[0].clientX;
  movedistance = currentX - this.recordX; // 獲取移動(dòng)距離
  this.slideAnimation(movedistance, 500);
 },
 // 手指觸摸動(dòng)作結(jié)束
 touchendX() {
  let recordX;
  if (movedistance <= -100) { // 移動(dòng)達(dá)到距離就動(dòng)畫顯示全部操作項(xiàng)
   recordX = -300;
  } else if (movedistance >= -100) { // 移動(dòng)未達(dá)到距離即還原
   recordX = 0;
  }
  this.slideAnimation(recordX, 500);
 },
 // 滑動(dòng)動(dòng)畫
 slideAnimation(recordX, time) {
  let animation = wx.createAnimation({
   duration: time,
   timingFunction: 'ease'
  });
  animation.translate(recordX + 'rpx', 0).step()
  this.setData({
   animation: animation.export()
  })
 },
 onLoad: function(options) {
  wx.setNavigationBarTitle({
   title: '銀行業(yè)務(wù)',
  });
  movedistance = 0; // 解決切換到其它頁面再返回該頁面動(dòng)畫失效的問題
 }
})