// pages/cart/cart.js const app = getApp(); Page({ /** * 页面的初始数据 */ data: { checkNum: 0,//勾选数量 checkAll: false,//全选 cartData: [], login: false, price:0, }, //商品详情 goodsDetails(e) { let id = e.currentTarget.dataset.id; wx.navigateTo({ url: '/pages/goodsDetails/goodsDetails?goodsId=' + id, }) }, //去购物 goShop(e) { wx.switchTab({ url: '/pages/classify/classify' }) }, onLoad: function (options) { if (options.pId) { wx.setStorage({ data: options.pId, key: 'pId', }) } }, onShow: function () { wx.getStorage({ key: 'user', success: s => { wx.showLoading({ title: '加载中..', }) wx.request({ url: app.globalData.ip + '/wisdommining/api/goods/getCart', method: 'POST', header: { "content-type": "application/x-www-form-urlencoded", }, data: { userId: s.data.id }, success: res => { wx.hideLoading() console.log(res) if (res.data.code == 1) { this.setData({ cartData: res.data.value, }) //判断全选 数量 this.judgeCheckAll(); if (res.data.value.length == 0) { app.globalData.cartNum = ''; wx.hideTabBarRedDot({ index: 3 }) } else { app.globalData.cartNum = res.data.value.length.toString() //购物车数量显示 wx.setTabBarBadge({ index: 3, text: app.globalData.cartNum }) } } else { wx.showModal({ title: '提示!', content: res.data.message, showCancel: false, }) } } }) } }) }, //结算 recommendedBulyPrice pay() { let goodsList = this.data.cartData; let goods = []; for (let i = 0; i < goodsList.length; i++) { goodsList[i].wisdGoods.wisdGoodsSpec.price = goodsList[i].wisdGoods.wisdGoodsSpec.specBulyPrice == null ? goodsList[i].wisdGoods.wisdGoodsSpec.specPrice : goodsList[i].wisdGoods.wisdGoodsSpec.specBulyPrice if (goodsList[i].check) { goods.push({ isDiscount: goodsList[i].wisdGoods.isDiscount, goodsPhoto: goodsList[i].wisdGoods.goodsPhoto, goodsName: goodsList[i].wisdGoods.goodsName, goodsId: goodsList[i].wisdGoods.id, num: goodsList[i].goodsNum, specs: goodsList[i].wisdGoods.wisdGoodsSpec }) } } if (goods.length == 0) { return } wx.navigateTo({ url: '/pages/cartPay/cartPay?goods=' + JSON.stringify(goods) + '&isCar=1', }) }, //加 减 add(e) { let id = e.currentTarget.dataset.id; let type = e.currentTarget.dataset.type; let index = e.currentTarget.dataset.index; let cartData = this.data.cartData; if (type == 2 && cartData[index].goodsNum <= 1) { wx.showToast({ title: '不能再减了~', icon: 'none', duration: 1000 }) return } wx.showLoading({ title: '加载中..', }) wx.request({ url: app.globalData.ip + '/wisdommining/api/goods/updateCartNum', method: 'POST', header: { "content-type": "application/x-www-form-urlencoded", }, data: { id: id, type: type, }, success: res => { wx.hideLoading() console.log(res) if (res.data.code == 1) { if(type==1){ cartData[index].goodsNum++ }else{ cartData[index].goodsNum-- } this.setData({ cartData:cartData }) //判断全选 数量 this.judgeCheckAll(); } else { wx.showModal({ title: '提示!', content: res.data.message, showCancel: false, }) } } }) }, //全选 checkAll() { this.setData({ checkAll: !this.data.checkAll, }) let cartData = this.data.cartData; for (let i = 0; i < cartData.length; i++) { if (this.data.checkAll) { cartData[i].check = true; } else { cartData[i].check = false; } } this.setData({ cartData: cartData, // total: total.toFixed(2), // totalIntegral: total, }) //判断全选 数量 this.judgeCheckAll(); }, //勾选 check(e) { let index = e.currentTarget.dataset.index; let cartData = this.data.cartData; cartData[index].check = !cartData[index].check; this.setData({ cartData: cartData, }) //判断全选 数量 this.judgeCheckAll(); }, //判断全选 数量 judgeCheckAll() { let cartData = this.data.cartData; let all = 0; let checkNum = 0; let price = 0; for (let i = 0; i < cartData.length; i++) { if (!cartData[i].check) { //有未选中 all = 1; } else { let p = cartData[i].wisdGoods.wisdGoodsSpec.specBulyPrice==null?cartData[i].wisdGoods.wisdGoodsSpec.specPrice:cartData[i].wisdGoods.wisdGoodsSpec.specBulyPrice checkNum++ price = price + parseFloat((cartData[i].goodsNum*p ).toFixed(2)) console.log(p) } } this.setData({ checkNum: checkNum, price:price }) if (all === 0) { this.setData({ checkAll: true, }) } else { this.setData({ checkAll: false, }) } }, //删除 del() { if (this.data.checkNum == 0) { wx.showToast({ title: '请先选择商品~', icon: 'none', duration: 500 }) return } wx.showModal({ title: '提示', content: '您确认删除当前购物车中商品么？', success: c => { if (c.confirm) { let shopCartId = ''; for (var i = 0; i < this.data.cartData.length; i++) { if (this.data.cartData[i].check) { shopCartId = shopCartId + this.data.cartData[i].id + ','; } } // shopCartId = shopCartId.substr(1); console.log(shopCartId) wx.showLoading({ title: '删除中..', mask: true, }) wx.request({ url: app.globalData.ip + '/wisdommining/api/goods/delCart', method: 'DELETE', header: { "content-type": "application/x-www-form-urlencoded", }, data: { ids: shopCartId, }, success: res => { console.log(res) wx.hideLoading() if (res.data.code == 1) { wx.showToast({ title: '删除成功', success: e => { setTimeout(() => { this.onShow(); }, 1500) } }) } else { wx.showModal({ content: res.data.message, showCancel: false, }) } } }) } } }) }, /** * 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 () { app.share(); return { path: '/pages/index/index?pId=' + app.globalData.userId, title: '三品慧采小程序等你来~' } }, })