实付款

src/component/selectCoupon/selectCoupon.js

@@ -60,10 +60,24 @@ Component({
       })
       couponList[index].checked = true
 
+      let params = {
+        type,
+        faceAmount: ''
+      }
+      if(type == 1){
+        params.faceAmount = couponList[index].couponSettingDTO.faceAmount
+      } else if(type == 2){
+        params.faceAmount = couponList[index].couponSettingDTO.faceAmount
+      }
+
       wxService.nextTick(() => {
-        this.triggerEvent('updateCoupon', couponList[index].couponDiscount)
+        this.triggerEvent('updateCoupon', params)
       })
 
+      // wxService.nextTick(() => {
+      //   this.triggerEvent('updateCoupon', couponList[index].couponDiscount)
+      // })
+
       this.setData({
         couponList
       },()=>{

src/pages/confirmOrder/confirmOrder.js

@@ -20,7 +20,8 @@ wxService.page({
     cityView: '',
     multiIndex: [0, 0, 0],
     selectCityName: ['', ''],
-    currentCoupon: '无可用优惠券'
+    currentCoupon: '',
+    orderPrice: null, // 订单金额
   },
 
   /**
@@ -63,14 +64,34 @@ wxService.page({
     // 地址列表
     this.getAddressList()
   },
-  updateCoupon(e){
+  updateCoupon(e) {
     console.log('e', e.detail)
-    if(e.detail){
+    // faceAmount 抵用多少钱（分） 1 抵用券  2 折扣券
+    const { faceAmount, type } = e.detail
+    const { orderPrice } = this.data
+    
+    if (type == 1) {
       this.setData({
         haveCoupon: true,
-        currentCoupon: `- ${e.detail}`
+        currentCoupon: `${faceAmount / 100}`
+      })
+    } else if (type == 2) {
+      let discounPrice = (faceAmount / 100) * (orderPrice)
+      let spread = Math.round(orderPrice - discounPrice)
+      this.setData({
+        haveCoupon: true,
+        currentCoupon: `${spread}`
       })
     }
+    // 实付款
+    this.setPayPrice()
+  },
+  setPayPrice() {
+    const { currentCoupon, orderPrice } = this.data
+    let orderCoupon = parseFloat(currentCoupon)
+    this.setData({
+      orderPrice: Math.round(orderPrice - currentCoupon)
+    })
   },
   formSubmit(e) {
     const { goodsAddress } = this.data
@@ -230,7 +251,10 @@ wxService.page({
         const { result, data } = res.data
         if (result == 0) {
           wx.hideLoading()
-          this.setData({ currentOrderList: data })
+          this.setData({ 
+            currentOrderList: data,
+            orderPrice: data.amount
+          })
         }
       }
     })

src/pages/confirmOrder/confirmOrder.wxml

 <!--pages/confirmOrder/confirmOrder.wxml-->
+<wxs src="../..//wxs/utils.wxs" module="utils" />
+
 <view class="page-confirm-order">
 	<form bindsubmit="formSubmit">
 		<view class="address-wrap">
@@ -122,7 +124,7 @@
 					<view>
 						<text class="price-label">优惠券</text>
 						<view class="select-coupon" bindtap="selectCoupon">
-							<text class="{{haveCoupon ? 'coupon-price' : 'no-coupon'}}">{{currentCoupon}}</text>
+							<text class="{{haveCoupon ? 'coupon-price' : 'no-coupon'}}"> {{currentCoupon ? '-' : '无可用优惠券'}} {{currentCoupon}}</text>
 							<image class="arrow-right" src="/assets/imgs/7_1_0/arrow-right.png" />
 						</view>
 					</view>
@@ -147,7 +149,7 @@
 		<view class="pro-footer">
 			<view class="cost">
 				<text class="cost-label">实付款：</text>
-				<text class="cost-price">￥{{currentOrderList.amount}}</text>
+				<text class="cost-price">￥{{utils.numberFormat(orderPrice)}}</text>
 			</view>
 			<!-- <button form-type="submit" class="theme-color buy-btn">立即购买</button>-->
 		<!--	<view class="theme-color buy-btn" bindtap="handelGobuy">立即购买</view> -->