本文實例為大家分享了微信小程序之卡片層疊滑動效果的具體代碼,供大家參考,具體內容如下

代碼:
js:
// 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(); } },})
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