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538 lines
14 KiB
538 lines
14 KiB
var app = getApp();
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var util = require('../../utils/util.js')
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Page({
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data: {
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page: 1,
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minusStatuses: ['disabled', 'disabled', 'normal', 'normal', 'disabled'],
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total: 0.0,
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carts: [],
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cont: 1,
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upstatus: false,
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remind: '加载中',
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},
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//页面加载完成函数 remind: '加载中',
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onReady: function () {
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var that = this;
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},
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//下拉刷新
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onPullDownRefresh: function () {
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wx.showNavigationBarLoading() //在标题栏中显示加载
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this.loadProductData();
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this.sum();
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wx.hideNavigationBarLoading() //完成停止加载
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wx.stopPullDownRefresh() //停止下拉刷新
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},
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bindMinus: function (e) {
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var that = this;
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var index = parseInt(e.currentTarget.dataset.index);
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var num = that.data.carts[index].num;
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var cart_id = e.currentTarget.dataset.cartid;
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// 如果只有1件了，就不允许再减了
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if (num > 1) {
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num--;
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}
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if (num < 1) {
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wx.showToast({
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title: '数量不能小于1!',
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icon: 'none',
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duration: 2000
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});
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} else {
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wx.request({
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url: app.d.ceshiUrl + '&action=product&m=up_cart',
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method: 'post',
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data: {
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user_id: that.data.user_id,
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num: num,
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cart_id: cart_id
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},
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header: {
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'Content-Type': 'application/x-www-form-urlencoded'
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},
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success: function (res) {
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var status = res.data.status;
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if (status == 1) {
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util.getUesrBgplus(that, app, false)
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// 只有大于一件的时候，才能normal状态，否则disable状态
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var minusStatus = num <= 1 ? 'disabled' : 'normal';
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// 购物车数据
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var carts = that.data.carts;
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carts[index].num = num;
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// 按钮可用状态
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var minusStatuses = that.data.minusStatuses;
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minusStatuses[index] = minusStatus;
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// 将数值与状态写回
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that.setData({
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minusStatuses: minusStatuses
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});
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that.sum();
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}
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},
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fail: function () {
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// fail
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wx.showToast({
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title: '网络异常！',
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duration: 2000
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});
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}
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});
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}
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},
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//跳转首页
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go_index: function () {
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wx.switchTab({
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url: '../index/index'
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})
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},
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//清空购物车
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delall: function () {
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var that = this;
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wx.showModal({
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title: '提示',
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content: '你确认清空全部吗?',
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success: function (res) {
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if (res.confirm) {
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wx.request({
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url: app.d.ceshiUrl + '&action=product&m=delAll_cart',
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method: 'post',
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data: {
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user_id: that.data.user_id,
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},
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header: {
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'Content-Type': 'application/x-www-form-urlencoded'
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},
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success: function (res) {
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var data = res.data;
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if (data.status == 1) {
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wx.showToast({
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title: '操作成功！',
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duration: 2500
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});
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that.loadProductData();
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util.getUesrBgplus(that, app, false)
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} else {
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wx.showToast({
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title: '操作失败！',
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duration: 2000
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});
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}
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},
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});
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}
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},
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fail: function () {
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// fail
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wx.showToast({
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title: '网络异常！',
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duration: 2000
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});
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}
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});
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},
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//编辑完成
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ok: function () {
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var that = this;
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that.setData({
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upstatus: false
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});
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},
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//编辑购物车
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updata: function () {
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var that = this;
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that.setData({
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upstatus: true
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});
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},
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//删除
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delarr: function () {
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var that = this;
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// 初始化toastStr字符串
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var toastStr = '';
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// 遍历取出已勾选的cid
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for (var i = 0; i < this.data.carts.length; i++) {
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if (this.data.carts[i].selected) {
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toastStr += this.data.carts[i].id;
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toastStr += ',';
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}
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}
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if (toastStr == '') {
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wx.showToast({
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title: '请选择要删除的商品！',
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duration: 2000
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});
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return false;
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}
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that.removeShopCard(toastStr);
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},
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//移至收藏
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shouc: function () {
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var that = this;
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// 初始化toastStr字符串
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var toastStr = '';
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// 遍历取出已勾选的cid
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for (var i = 0; i < this.data.carts.length; i++) {
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if (this.data.carts[i].selected) {
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toastStr += this.data.carts[i].id;
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toastStr += ',';
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}
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}
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if (toastStr == '') {
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wx.showToast({
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title: '请选择要收藏的商品！',
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duration: 2000
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});
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return false;
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}
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//ajax请求
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wx.request({
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url: app.d.ceshiUrl + '&action=product&m=to_Collection',
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method: 'post',
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data: {
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user_id: that.data.user_id,
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carts: toastStr,
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},
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header: {
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'Content-Type': 'application/x-www-form-urlencoded'
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},
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success: function (res) {
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util.getUesrBgplus(that, app, false)
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var data = res.data;
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if (data.status == 1) {
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wx.showToast({
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title: '操作成功！',
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duration: 2000
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});
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that.loadProductData();
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} else {
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wx.showToast({
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title: '操作失败！',
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duration: 2000
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});
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}
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},
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});
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},
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bindPlus: function (e) {
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var that = this;
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var index = parseInt(e.currentTarget.dataset.index);
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var num = that.data.carts[index].num;
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// 自增
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num++;
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var pnum = that.data.carts[index].pnum;
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var cart_id = e.currentTarget.dataset.cartid;
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console.log(pnum)
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if (pnum > num) {
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wx.request({
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url: app.d.ceshiUrl + '&action=product&m=up_cart',
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method: 'post',
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data: {
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user_id: that.data.user_id,
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num: num,
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cart_id: cart_id
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},
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header: {
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'Content-Type': 'application/x-www-form-urlencoded'
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},
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success: function (res) {
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var status = res.data.status;
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if (status == 1) {
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util.getUesrBgplus(that, app, false)
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// 只有大于一件的时候，才能normal状态，否则disable状态
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var minusStatus = num <= 1 ? 'disabled' : 'normal';
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// 购物车数据
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var carts = that.data.carts;
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carts[index].num = num;
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// 按钮可用状态
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var minusStatuses = that.data.minusStatuses;
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minusStatuses[index] = minusStatus;
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// 将数值与状态写回
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that.setData({
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minusStatuses: minusStatuses
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});
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that.sum();
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}
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},
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fail: function () {
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wx.showToast({
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title: '网络异常！',
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duration: 2000
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});
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}
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});
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} else {
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wx.showToast({
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title: '库存不足！',
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icon: 'none',
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duration: 2000
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});
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}
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},
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bindCheckbox: function (e) {
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/*绑定点击事件，将checkbox样式改变为选中与非选中*/
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//拿到下标值，以在carts作遍历指示用
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var index = parseInt(e.currentTarget.dataset.index);
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//原始的icon状态
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var selected = this.data.carts[index].selected;
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var carts = this.data.carts;
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// 对勾选状态取反
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carts[index].selected = !selected;
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// 写回经点击修改后的数组
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this.setData({
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carts: carts
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});
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this.sum();
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},
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bindSelectAll: function () {
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// 环境中目前已选状态
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var selectedAllStatus = this.data.selectedAllStatus;
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// 取反操作
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selectedAllStatus = !selectedAllStatus;
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// 购物车数据，关键是处理selected值
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var carts = this.data.carts;
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// 遍历
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for (var i = 0; i < carts.length; i++) {
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carts[i].selected = selectedAllStatus;
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}
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this.setData({
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selectedAllStatus: selectedAllStatus,
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carts: carts
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});
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this.sum()
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},
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bindCheckout: function () {
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// 初始化toastStr字符串
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var toastStr = '';
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// 遍历取出已勾选的cid
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for (var i = 0; i < this.data.carts.length; i++) {
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if (this.data.carts[i].selected) {
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toastStr += this.data.carts[i].id;
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toastStr += ',';
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}
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}
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if (toastStr == '') {
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wx.showToast({
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title: '请选择要结算的商品！',
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duration: 2000
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});
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return false;
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}
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//存回data
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wx.navigateTo({
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url: '../order/pay?cartId=' + toastStr,
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})
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},
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bindToastChange: function () {
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this.setData({
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toastHidden: true
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});
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},
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sum: function () {
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var that = this;
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var carts = that.data.carts;
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// 计算总金额
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var total = 0;
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var selected = 0;
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for (var i = 0; i < carts.length; i++) {
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if (carts[i].selected) {
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total += carts[i].num * carts[i].price;
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selected = ++selected;
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}
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}
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//判断全选
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if (carts.length == selected && selected != 0) {
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that.setData({
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selectedAllStatus: true,
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});
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} else {
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that.setData({
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selectedAllStatus: false,
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});
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}
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// 写回经点击修改后的数组 .toFixed(2)取小数点2位
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this.setData({
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carts: carts,
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total: '¥ ' + total.toFixed(2)
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});
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},
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onLoad: function (options) {
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this.setData({
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bgcolor: app.d.bgcolor,
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user_id: app.globalData.userInfo.openid
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});
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wx.setNavigationBarColor({
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frontColor: app.d.frontColor,//
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backgroundColor: app.d.bgcolor //页面标题为路由参数
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});
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this.loadProductData();
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this.sum();
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},
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onShow: function () {
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var cont = this.data.cont;
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var carts = this.data.carts;
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var purchase = app.d.purchase;
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var that = this;
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if (cont > 1 && purchase == 1) {
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that.loadProductData();
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} else {
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that.setData({
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carts: carts,
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cont: cont + 1
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});
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}
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},
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removeShopCard: function (carts) {
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var that = this;
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wx.showModal({
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title: '提示',
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content: '你确认移除吗',
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success: function (res) {
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res.confirm && wx.request({
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url: app.d.ceshiUrl + '&action=product&m=delcart',
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method: 'post',
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data: {
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carts: carts,
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},
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header: {
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'Content-Type': 'application/x-www-form-urlencoded'
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},
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success: function (res) {
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util.getUesrBgplus(that, app, false)
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//--init data
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var data = res.data;
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if (data.status == 1) {
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that.loadProductData();
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} else {
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wx.showToast({
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title: '操作失败！',
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duration: 2000
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});
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}
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},
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});
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},
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fail: function () {
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// fail
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wx.showToast({
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title: '网络异常！',
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duration: 2000
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});
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}
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});
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},
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// 数据加载
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loadProductData: function () {
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var that = this;
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wx.request({
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url: app.d.ceshiUrl + '&action=product&m=Shopping',
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method: 'post',
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data: {
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user_id: app.globalData.userInfo.openid
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},
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header: {
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'Content-Type': 'application/x-www-form-urlencoded'
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},
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success: function (res) {
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var cart = res.data.cart;
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that.setData({
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carts: cart,
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selectedAllStatus: false,
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total: '￥0.00',
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remind: ''
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});
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},
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});
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},
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bindManual: function (e) {
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var num = e.detail.value;
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var carid = e.target.dataset.cartid;
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var carts = this.data.carts;
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var that = this;
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var index = parseInt(e.currentTarget.dataset.index);
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var cat_num = that.data.carts[index].num;
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var cart_id = e.currentTarget.dataset.cartid;
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var pnum = that.data.carts[index].pnum;
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console.log(num, cat_num, pnum)
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if (Number(num) > 0) {
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if (Number(num) <= Number(pnum)) {
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wx.request({
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url: app.d.ceshiUrl + '&action=product&m=up_cart',
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method: 'post',
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data: {
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user_id: that.data.user_id,
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num: num,
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cart_id: carid
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},
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header: {
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'Content-Type': 'application/x-www-form-urlencoded'
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},
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success: function (res) {
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var status = res.data.status;
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if (status == 1) {
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// 只有大于一件的时候，才能normal状态，否则disable状态
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var minusStatus = num <= 1 ? 'disabled' : 'normal';
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// 购物车数据
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var carts = that.data.carts;
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carts[index].num = num;
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// 按钮可用状态
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var minusStatuses = that.data.minusStatuses;
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minusStatuses[index] = minusStatus;
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// 将数值与状态写回
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that.setData({
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minusStatuses: minusStatuses
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});
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that.sum();
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}
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},
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fail: function () {
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wx.showToast({
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title: '网络异常！',
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duration: 2000
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});
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}
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});
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} else {
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wx.showToast({
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title: '库存不足,请重新输入！',
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icon: 'none',
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duration: 2000
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});
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var carts = that.data.carts;
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that.setData({
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carts: carts
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});
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that.sum();
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}
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} else {
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wx.showToast({
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title: '数量不能小于1,请重新输入！',
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icon: 'none',
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duration: 2000
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});
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var carts = that.data.carts;
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that.setData({
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carts: carts
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});
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that.sum();
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};
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},
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})
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