【15个行业微信小程序模版精选源码】

// pages/myCart/myCart.js const app = getApp(); Page({ /** * 页面的初始数据 */ data: { cart: [], cartAllIn: false, }, /** * 生命周期函数--监听页面加载 */ onLoad: function (options) { console.log("跳转至购物车") this.setData({ cart: app.globalData.carts, }) console.log(this.data.cart) console.log(app.globalData.carts) }, // 点击减号 reduceItems: function (e) { let carts = app.globalData.carts; let classifyList = app.globalData.classifyList; let i = 0; for (let key of carts) { console.log(i); if (key.id === e.target.dataset.id) { key.cartSelected = true; if (key.num === 1) { console.log("没了"); key.num--; key.cartSelected = false; // classifyList.forEach((otherKey)=>{ // otherKey.forEach((anotherKey)=>{ // if(anotherKey.id ===e.target.dataset.id) // { // anotherKey.selected = false; // } // }) // }); // for(let keyy in classifyList) // { // for(let keyyy in classifyList[keyy]) // { // for(let keyyyy in classifyList[keyy][keyyy]){ // console.log(classifyList[keyy][keyyy]); // if(classifyList[keyy][keyyy][keyyy].id ===e.target.dataset.id ){ // classifyList[keyy][keyyy][keyyy].id .selected =false; // } // } // } // } key.selected = false; app.globalData.carts = carts.filter((item) => { return item.id != e.target.dataset.id; }) } else { key.num--; console.log(key.num); } } i++; } let num = 0; let totalPrice = 0; for (let key of carts) { if (key.cartSelected) { num += key.num; totalPrice += key.num * key.price; } } this.setData({ cart: app.globalData.carts, cartTotal: num, cartTotalPrice: totalPrice, }) }, // 点击加号 addItems: function (e) { let carts = app.globalData.carts; for (let key of carts) { console.log(carts); if (key.id === e.target.dataset.id) { key.cartSelected = true; console.log("add"); key.num++; console.log(key.num); console.log(carts); } } let num = 0; let totalPrice = 0; for (let key of carts) { if (key.cartSelected) { num += key.num; totalPrice += key.num * key.price; } } this.setData({ cart: app.globalData.carts, cartTotal: num, cartTotalPrice: totalPrice, }) }, // 购物车添加事件 cartAdd: function (e) { console.log(e); let carts = this.data.cart; for (let key of carts) { if (key.id === e.currentTarget.dataset.id) { if (key.cartSelected) { key.cartSelected = false; } else { key.cartSelected = true; } console.log(key.cartSelected); } } let num = 0; let totalPrice = 0; for (let key of carts) { if (key.cartSelected) { num += key.num; totalPrice += key.num * key.price; } } console.log(totalPrice); this.setData({ cart: carts, cartTotal: num, cartTotalPrice: totalPrice, }); app.globalData.carts = carts; }, // 购物车全选操作 cartAllIn: function () { for (let key of this.data.cart) { if (this.data.cartAllIn) { key.cartSelected = false; } else { key.cartSelected = true; } } if (this.data.cartAllIn) { this.data.cartAllIn = false; app.globalData.cartAllIn = false; } else { this.data.cartAllIn = true; app.globalData.cartAllIn = true; } let num = 0; let totalPrice = 0; let carts = this.data.cart; for (let key of carts) { if (key.cartSelected) { num += key.num; totalPrice += key.num * key.price; } } this.setData({ cartAllIn: this.data.cartAllIn, cart: this.data.cart, cartTotal: num, cartTotalPrice: totalPrice, }); app.globalData.carts = this.data.cart; }, // 点击购物车操作 finishedOrder: function () { wx.showToast({ title: "您好像没钱", icon: "loading", duration: 2000, }); }, /** * 生命周期函数--监听页面初次渲染完成 */ onReady: function () { }, /** * 生命周期函数--监听页面显示 */ onShow: function () { console.log(1); this.setData({ cart: app.globalData.carts, }) }, /** * 生命周期函数--监听页面隐藏 */ onHide: function () { }, /** * 生命周期函数--监听页面卸载 */ onUnload: function () { }, /** * 页面相关事件处理函数--监听用户下拉动作 */ onPullDownRefresh: function () { }, /** * 页面上拉触底事件的处理函数 */ onReachBottom: function () { }, /** * 用户点击右上角分享 */ onShareAppMessage: function () { } })