// index/gun/jsSwiper2/jsSwiper2.jsPage({ /** * 頁面的初始數據 */ data: { startX: 0, endX: 0, iCenter: 3, datas: [{  id: 1,  zIndex: 2,  opacity: 0.2,  left: 40,  iamge: "../../images/1.jpg",  animation: null }, {  id: 2,  zIndex: 4,  opacity: 0.4,  left: 80,  iamge: "../../images/2.jpg",  animation: null }, {  id: 3,  zIndex: 6,  opacity: 0.6,  left: 120,  iamge: "../../images/3.jpg",  animation: null }, {  id: 4,  zIndex: 8,  opacity: 1,  left: 160,  iamge: "../../images/4.jpg",  animation: null }, {  id: 5,  zIndex: 6,  opacity: 0.6,  left: 200,  iamge: "../../images/5.jpg",  animation: null }, {  id: 6,  zIndex: 4,  opacity: 0.4,  left: 240,  iamge: "../../images/6.jpg",  animation: null }, {  id: 7,  zIndex: 2,  opacity: 0.2,  left: 280,  iamge: "../../images/7.jpg",  animation: null }, ], order: [] }, /** * 生命周期函數--監聽頁面加載 */ onLoad: function (options) { this.__set__(); this.move(); }, /** * 生命周期函數--監聽頁面初次渲染完成 */ onReady: function () { }, /** * 生命周期函數--監聽頁面顯示 */ onShow: function () { }, /** * 生命周期函數--監聽頁面隱藏 */ onHide: function () { }, /** * 生命周期函數--監聽頁面卸載 */ onUnload: function () { }, /** * 頁面相關事件處理函數--監聽用戶下拉動作 */ onPullDownRefresh: function () { }, /** * 頁面上拉觸底事件的處理函數 */ onReachBottom: function () { }, /** * 用戶點擊右上角分享 */ onShareAppMessage: function () { }, move: function () { var datas = this.data.datas; /*圖片分布*/ for (var i = 0; i < datas.length; i++) {  var data = datas[i];  var animation = wx.createAnimation({  duration: 200  });  animation.translateX(data.left).step();  this.setData({  ["datas[" + i + "].animation"]: animation.export(),  ["datas[" + i + "].zIndex"]: data.zIndex,  ["datas[" + i + "].opacity"]: data.opacity,  }) } }, /**左箭頭 */ left: function () { // var last = this.data.datas.pop(); //獲取數組的最后一個 this.data.datas.unshift(last);//放到數組的第一個 var orderFirst = this.data.order.shift(); this.data.order.push(orderFirst); this.move(); }, /** */ right: function () { var first = this.data.datas.shift(); //獲取數組的第一個 this.data.datas.push(first);//放到數組的最后一個位置 var orderLast = this.data.order.pop(); this.data.order.unshift(orderLast); this.move(); }, /**點擊某項 */ choose: function (e) { var that = this; var id = e.currentTarget.dataset.id; var order = that.data.order; var index = 0; for (var i = 0; i < order.length; i++) {  if (id == order[i]) {  index = i;  break;  } } if (index < that.data.iCenter) {  for (var i = 0; i < that.data.iCenter - index; i++) {  this.data.datas.push(this.data.datas.shift()); //獲取第一個放到最后一個  this.data.order.unshift(this.data.order.pop());  // this.right()   } } else if (index > that.data.iCenter) {  for (var i = 0; i < index - that.data.iCenter; i++) {  this.data.datas.unshift(this.data.datas.pop()); //獲取最后一個放到第一個  this.data.order.push(this.data.order.shift());  // this.left();  } } this.move(); }, /**新的排列復制到新的數組中 */ __set__: function () { var that = this; var order = that.data.order; var datas = that.data.datas; for (var i = 0; i < datas.length; i++) {  that.setData({  ["order[" + i + "]"]: datas[i].id  }) } }, //手指觸發開始移動 moveStart: function (e) { console.log(e); var startX = e.changedTouches[0].pageX; this.setData({  startX: startX }); }, //手指觸摸后移動完成觸發事件 moveItem: function (e) { console.log(e); var that = this; var endX = e.changedTouches[0].pageX; this.setData({  endX: endX }); //計算手指觸摸偏移劇距離 var moveX = this.data.startX - this.data.endX; //向左移動 if (moveX > 20) {  this.left(); } if (moveX < -20) {  this.right(); } },})

<view class="teachers_banner"> <view class="container clearfix teachers_b"> <view class="slide" id="slide" bindtouchstart='moveStart' bindtouchend='moveItem'>  <block wx:for="{{datas}}">  <li animation="{{item.animation}}" style="z-index: {{item.zIndex}} ;opacity:{{item.opacity}};" bindtap="choose" data-id="{{item.id}}">   <image src="{{item.iamge}}"></image>  </li>  </block> </view> </view></view>

.teachers_banner { width: 100%; height: 650px; background-size: cover; position: relative; overflow: hidden;}.teachers_b { position: relative; margin-top: 80px;}#slide { margin: 0 auto; width: 100%; height: 350px; position: relative;}image { width: 400rpx; height: 550rpx;}#slide li { position: absolute; width: 400rpx; display: -webkit-box; display: -webkit-flex; display: flex; align-items: flex-start; -webkit-box-align: flex-start; -webkit-align-items: flex-start; overflow: hidden; box-shadow: 0 0 20px #1d374d;}#slide li img { width: 100%; height: 100%;}.slide_right { padding: 40px; -webkit-box-flex: 1; -webkit-flex: 1; flex: 1; min-width: 0;}.slide_right dl { padding-top: 10px;}.arrow .prev, .arrow .next { position: absolute; width: 50px; top: 38%; z-index: 9; font: 700 96px 'simsun'; opacity: 0.3; color: #fff; cursor: pointer;}