add: 购物车_商品总价

src/pages/cart/cart.js

@@ -16,7 +16,8 @@ wxService.page({
     cartList: [],
     outGoods: [],
     checkAll: false,
-    checkedColor: 'rgb(203, 60, 60)'
+    checkedColor: 'rgb(203, 60, 60)',
+    shopCartTotalFee: 0, // 商品总价
   },
 
   /**
@@ -144,23 +145,22 @@ wxService.page({
   },
   blurNum: function (e) {
     var newNum = e.detail.value
-    console.log('blurNum', newNum)
     var cartList = this.data.cartList
     if (newNum === '') {
       newNum = 1
     }
-    // cartList[e.currentTarget.dataset.index].quantity = newNum
-    // this.setData({
-    //   cartList: cartList
-    // }, function () {
-    //   this.setTotalFee()
-    //   this.editOk(cartList[e.currentTarget.dataset.index]) //调用完成
-    // })
+    cartList[e.currentTarget.dataset.index].count = newNum
+
+    this.setData({
+      cartList: cartList
+    }, function () {
+      this.setTotalFee()
+      this.editOk(cartList[e.currentTarget.dataset.index]) //调用完成
+    })
 
   },
   inputNum: function (e) { // 输入数量
     var newNum = e.detail.value
-    console.log('newNum', newNum)
     if (newNum) {
       const { cartList } = this.data
       if (newNum === '0') {
@@ -168,41 +168,31 @@ wxService.page({
       } else {
         newNum = parseInt(newNum)
       }
+      cartList[e.currentTarget.dataset.index].count = newNum
+      this.setData({
+        cartList: cartList
+      }, function () {
+        this.setTotalFee()
+        this.editOk(cartList[e.currentTarget.dataset.index]) //调用完成
+      })
+    }
+  },
+  setTotalFee(skipRedemption) {
+    var cartList = this.data.cartList
+    var checkProsId = [] // 选中的商品id
+    
+    var totalFee = 0
+    // 购物车总金额
+    for (let i = 0; i < cartList.length; i++) {
+      if (cartList[i].checked) {
+        totalFee += cartList[i].price * (cartList[i].count ? cartList[i].count : 1)
+        checkProsId.push(cartList[i].skuId)
+      }
     }
-    // if(newNum) {
-    //   var cartList = this.data.cartList
 
-    //   var choosePro = cartList[e.currentTarget.dataset.index]
-    //   if (newNum === '0') {
-    //     newNum = 1
-    //   } else {
-    //     newNum = parseInt(newNum)
-    //     if (choosePro.quantityAverage == '0') {
-    //       if (newNum > choosePro.selectSku.inventory_num) {
-    //         newNum = choosePro.selectSku.inventory_num
-    //         wx.showToast({
-    //           title: '不能超过库存',
-    //           icon: 'none'
-    //         })
-    //       }
-    //     } else {
-    //       if (newNum > choosePro.quantityAverage) {
-    //         newNum = choosePro.quantityAverage
-    //         wx.showToast({
-    //           title: '每人限购' + choosePro.quantityAverage + '件',
-    //           icon: 'none'
-    //         })
-    //       }
-    //     }
-    //   }
-    //   cartList[e.currentTarget.dataset.index].quantity = newNum
-    //   this.setData({
-    //     cartList: cartList
-    //   }, function () {
-    //     this.setTotalFee()
-    //     this.editOk(cartList[e.currentTarget.dataset.index]) //调用完成
-    //   })
-    // }
+    this.setData({
+      shopCartTotalFee: totalFee.toFixed(2)
+    })
 
   },
   goBuy() {
@@ -263,19 +253,17 @@ wxService.page({
     })
   },
   // 调整商品 /trolley/add
-  editOk() {
+  editOk(cartPro) {
+    console.log('cartPro', cartPro)
+    // count skuId
     wx.showLoading({
       title: '加载中'
     })
-    wxService.post('/sale/trolley/add').then(res => {
-      console.log('query', res)
+    wxService.post(`/sale/trolley/add?count=${cartPro.count}&skuId=${cartPro.skuId}`).then(res => {
       if (res) {
-        const { result, data } = res.data
+        const { result } = res.data
         if (result == 0) {
           wx.hideLoading()
-          this.setData({
-            // cartList
-          })
         } else {
           wx.showToast({
             title: res.data.message,
@@ -308,7 +296,7 @@ wxService.page({
         cartList: cartList,
         checkAll: checkAll
       }, function () {
-        // this.setTotalFee()
+        this.setTotalFee()
       })
   
   },
@@ -324,7 +312,7 @@ wxService.page({
         }),
         checkAll: false
       }, function () {
-        // this.setTotalFee()
+        this.setTotalFee()
       })
     } else {
       this.setData({
@@ -335,7 +323,7 @@ wxService.page({
         }),
         checkAll: true
       }, function () {
-        // this.setTotalFee()
+        this.setTotalFee()
       })
     }
   },

src/pages/cart/cart.wxml

@@ -68,7 +68,7 @@
       </view>
       <view class="total-amount">
         <text class="total-label">合计：</text>
-        <text class="total-price">￥306</text>
+        <text class="total-price">￥{{shopCartTotalFee}}</text>
       </view>
     </view>
     <view class="theme-color buy-btn" bindtap="goBuy">立即购买</view>