[水感应客户端最新]

pages/mall/confirm/confirm.js

@@ -0,0 +1,220 @@
+ /*
+ * 手太欠
+ * 愿这世界都如故事里一样 美好而动人~
+ */
+
+Page({
+    data: {
+        goods_id     : '',  // 店铺id
+        goods_sku    : '',  // 产品id
+        goods_qty    : '',  // 产品数量
+        address      : '',  // 地址
+        addressId    : '',  // 地址id
+        goodskData   : '',  // 数据
+        amount       : '',  // 总金额
+        freight      : '',  // 运费
+        weight       : '',  // 重量
+        disabled     : true,//按钮
+        paySuccess   : false, // 兑换成功显示
+        maxcoupon    : '',   //拥有兑换券数量
+        coupon_qty   : 1,   //兑换券数量
+        checked      : false//兑换券
+    },
+
+    onLoad(options) {
+        this.setData({
+            goods_id  : options.goodsid,
+            goods_sku : options.skuid,
+            goods_qty : options.qty
+        })
+    },
+
+    onShow() {
+        // 获取下单信息
+        this.confirmInfo()
+    },
+
+    /**
+     * 产品下单信息
+     */
+    confirmInfo (){
+        wx.$api.mall.mallPlace({
+            goods_sku_id: this.data.goods_sku,
+            address_id: this.data.addressId,
+            qty: this.data.goods_qty
+        }).then(res => {
+            this.setData({
+                address   : res.data.address,
+                addressId : res.data.address.address_id,
+                goodskData: res.data.detail,
+                amount    : res.data.amount,
+                freight   : res.data.freight,
+                weight    : res.data.weight,
+                maxcoupon : res.data.couponCount
+            })
+
+            // 计算总价格
+            this.totalPrice()
+        }).catch(err => { })
+    },
+
+    /**
+     * 产品数量加减
+     */
+    goodsNumber(e){
+        let num = this.data.goods_qty,
+            val = e.currentTarget.dataset.type
+        if (val == 'plus'){
+            num ++;
+        }else{
+            if (num > 1){
+                num --;
+                if(num < this.data.coupon_qty) {
+                    this.setData({
+                        coupon_qty: num
+                    })
+                }
+            }else{
+                wx.showToast({
+                    title   : '商品数量不能小于1',
+                    icon    : 'none'
+                })
+            }
+            this.setData({
+                goods_qty: num
+            })
+        }
+        this.setData({
+            goods_qty: num
+        })
+
+        // 计算总价格
+        this.totalPrice()
+    },
+
+    /**
+     * 是否使用兑换券
+     */
+    checkedTap() {
+        this.setData({
+            checked: !this.data.checked
+        })
+
+        // 计算总价格
+        this.totalPrice()
+    },
+
+    /**
+     * 兑换券数量加减
+     */
+    couponNumber(e){
+        let minVal = Math.min(this.data.goods_qty, this.data.maxcoupon)
+        let num = this.data.coupon_qty,
+            val = e.currentTarget.dataset.type
+        if (val == 'plus'){
+            if(num >= minVal){
+                this.setData({
+                    coupon_qty: minVal
+                })
+                wx.showToast({
+                    title: '兑换券数量超出产品数量或兑换券不足',
+                    icon : 'none'
+                })
+                return
+            }
+            num ++;
+
+        }else{
+            if (num > 1){
+                num --;
+            }else{
+                wx.showToast({
+                    title   : '兑换券数量不能小于1',
+                    icon    : 'none'
+                })
+            }
+            this.setData({
+                coupon_qty: num
+            })
+        }
+        this.setData({
+            coupon_qty: num
+        })
+
+        // 计算总价格
+        this.totalPrice()
+    },
+
+    /**
+     * 计算总价格
+     */
+    totalPrice() {
+        let couponQty  = this.data.coupon_qty
+        let goodNum    = this.data.goods_qty
+        let goodPrice  = this.data.goodskData[0].items[0].price
+        let freight    = this.data.freight
+        let totalPrice = 0
+        
+        totalPrice = this.data.checked ? 
+                    (goodNum - couponQty) * goodPrice :
+                    goodNum * goodPrice
+        if(freight > 0) totalPrice += freight
+
+        this.setData({
+            amount: totalPrice
+        })
+    },
+
+    /**
+     * 产品确认购买
+     */
+    buyTap() {
+        wx.showLoading({
+            title: '加载中...',
+        })
+        let that = this
+        let data = {
+            goods_sku_id: this.data.goods_sku,
+            qty         : this.data.goods_qty,
+            address_id  : this.data.addressId,
+            use_coupon  : this.data.checked,
+            coupon_qty  : this.data.coupon_qty
+        }
+        wx.$api.mall.mallAffirm(data).then(res => {
+            this.setData({
+                disabled: false
+            })
+            wx.hideLoading()
+
+            if(res.data.can_pay) {
+                wx.redirectTo({
+                    url: '/pages/pay/index?order_no=' + res.data.order_no + '&total=' + res.data.total
+                })
+                return
+            }
+            
+            wx.showToast({
+                title: '支付成功',
+                icon: 'none',
+                duration: 2000,
+                //显示透明蒙层，防止触摸穿透
+                mask:true,
+                success: function () {
+                    that.setData({
+                        paySuccess: true
+                    })
+                    setTimeout(()=>{
+                        wx.redirectTo({
+                            url: '/pages/order/index?state=paid'
+                        })
+                    },3000)
+                }
+            })
+
+        }).catch(err => {
+            this.setData({
+                disabled: true
+            })
+        })
+    }
+})