221 lines
5.7 KiB
JavaScript
221 lines
5.7 KiB
JavaScript
/*
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* 手太欠
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* 愿这世界都如故事里一样 美好而动人~
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*/
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Page({
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data: {
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goods_id : '', // 店铺id
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goods_sku : '', // 产品id
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goods_qty : '', // 产品数量
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address : '', // 地址
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addressId : '', // 地址id
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goodskData : '', // 数据
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amount : '', // 总金额
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freight : '', // 运费
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weight : '', // 重量
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disabled : true,//按钮
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paySuccess : false, // 兑换成功显示
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maxcoupon : '', //拥有兑换券数量
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coupon_qty : 1, //兑换券数量
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checked : false//兑换券
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},
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onLoad(options) {
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this.setData({
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goods_id : options.goodsid,
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goods_sku : options.skuid,
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goods_qty : options.qty
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})
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},
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onShow() {
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// 获取下单信息
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this.confirmInfo()
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},
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/**
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* 产品下单信息
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*/
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confirmInfo (){
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wx.$api.mall.mallPlace({
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goods_sku_id: this.data.goods_sku,
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address_id: this.data.addressId,
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qty: this.data.goods_qty
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}).then(res => {
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this.setData({
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address : res.data.address,
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addressId : res.data.address.address_id,
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goodskData: res.data.detail,
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amount : res.data.amount,
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freight : res.data.freight,
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weight : res.data.weight,
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maxcoupon : res.data.couponCount
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})
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// 计算总价格
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this.totalPrice()
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}).catch(err => { })
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},
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/**
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* 产品数量加减
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*/
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goodsNumber(e){
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let num = this.data.goods_qty,
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val = e.currentTarget.dataset.type
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if (val == 'plus'){
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num ++;
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}else{
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if (num > 1){
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num --;
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if(num < this.data.coupon_qty) {
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this.setData({
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coupon_qty: num
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})
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}
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}else{
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wx.showToast({
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title : '商品数量不能小于1',
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icon : 'none'
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})
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}
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this.setData({
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goods_qty: num
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})
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}
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this.setData({
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goods_qty: num
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})
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// 计算总价格
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this.totalPrice()
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},
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/**
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* 是否使用兑换券
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*/
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checkedTap() {
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this.setData({
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checked: !this.data.checked
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})
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// 计算总价格
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this.totalPrice()
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},
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/**
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* 兑换券数量加减
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*/
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couponNumber(e){
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let minVal = Math.min(this.data.goods_qty, this.data.maxcoupon)
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let num = this.data.coupon_qty,
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val = e.currentTarget.dataset.type
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if (val == 'plus'){
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if(num >= minVal){
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this.setData({
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coupon_qty: minVal
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})
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wx.showToast({
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title: '兑换券数量超出产品数量或兑换券不足',
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icon : 'none'
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})
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return
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}
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num ++;
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}else{
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if (num > 1){
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num --;
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}else{
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wx.showToast({
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title : '兑换券数量不能小于1',
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icon : 'none'
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})
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}
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this.setData({
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coupon_qty: num
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})
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}
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this.setData({
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coupon_qty: num
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})
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// 计算总价格
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this.totalPrice()
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},
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/**
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* 计算总价格
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*/
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totalPrice() {
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let couponQty = this.data.coupon_qty
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let goodNum = this.data.goods_qty
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let goodPrice = this.data.goodskData[0].items[0].price
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let freight = this.data.freight
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let totalPrice = 0
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totalPrice = this.data.checked ?
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(goodNum - couponQty) * goodPrice :
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goodNum * goodPrice
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if(freight > 0) totalPrice += freight
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this.setData({
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amount: totalPrice
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})
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},
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/**
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* 产品确认购买
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*/
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buyTap() {
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wx.showLoading({
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title: '加载中...',
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})
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let that = this
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let data = {
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goods_sku_id: this.data.goods_sku,
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qty : this.data.goods_qty,
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address_id : this.data.addressId,
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use_coupon : this.data.checked,
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coupon_qty : this.data.coupon_qty
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}
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wx.$api.mall.mallAffirm(data).then(res => {
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this.setData({
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disabled: false
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})
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wx.hideLoading()
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if(res.data.can_pay) {
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wx.redirectTo({
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url: '/pages/pay/index?order_no=' + res.data.order_no + '&total=' + res.data.total
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})
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return
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}
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wx.showToast({
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title: '支付成功',
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icon: 'none',
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duration: 2000,
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//显示透明蒙层，防止触摸穿透
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mask:true,
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success: function () {
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that.setData({
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paySuccess: true
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})
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setTimeout(()=>{
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wx.redirectTo({
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url: '/pages/order/index?state=paid'
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})
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},3000)
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}
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})
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}).catch(err => {
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this.setData({
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disabled: true
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})
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})
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}
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})
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