add: 购物车_加减

src/pages/cart/cart.js

@@ -89,59 +89,37 @@ wxService.page({
   },
   minusNum: function (e) { // 减少数量
     let cartList = this.data.cartList
-    // let proNum = cartList[e.currentTarget.dataset.index].quantity
-    console.log('sssse', e.currentTarget.dataset)
-    // if (proNum > 1) {
-    //   proNum--
-    // } else {
-    //   wx.showToast({
-    //     title: '数量不能为0',
-    //     icon: 'none'
-    //   })
-    //   return false
-    // }
-    // cartList[e.currentTarget.dataset.index].quantity = proNum
-    // this.setData({
-    //   cartList: cartList
-    // }, function () {
-    //   this.setTotalFee()
-    //   this.editOk(cartList[e.currentTarget.dataset.index]) //调用完成
-    // })
-
-  },
-  addNum: function (e) { // 增加数量
-    var cartList = this.data.cartList
-    console.log('add', e.currentTarget.dataset)
-    var choosePro = cartList[e.currentTarget.dataset.index]
-    console.log(choosePro)
-    var proNum = choosePro.quantity
-    if (choosePro.quantityAverage == '0') {
-      if (proNum < choosePro.selectSku.inventory_num) {
-        proNum++
-      } else {
-        wx.showToast({
-          title: '不能超过库存',
-          icon: 'none'
-        })
-      }
+    let proNum = cartList[e.currentTarget.dataset.index].count
+    console.log('减少数量', proNum)
+    if (proNum > 1) {
+      proNum--
     } else {
-      if (proNum < choosePro.quantityAverage) {
-        proNum++
-      } else {
-        wx.showToast({
-          title: '每人限购' + choosePro.quantityAverage + '件',
-          icon: 'none'
-        })
-      }
+      wx.showToast({
+        title: '数量不能为0',
+        icon: 'none'
+      })
+      return false
     }
-    cartList[e.currentTarget.dataset.index].quantity = proNum
+    cartList[e.currentTarget.dataset.index].count = proNum
     this.setData({
       cartList: cartList
     }, function () {
       this.setTotalFee()
       this.editOk(cartList[e.currentTarget.dataset.index]) //调用完成
     })
+  },
+  addNum: function (e) { // 增加数量
+    var cartList = this.data.cartList
+    var proNum = cartList[e.currentTarget.dataset.index].count
+    console.log('增加数量',proNum)
 
+    cartList[e.currentTarget.dataset.index].count = proNum
+    this.setData({
+      cartList: cartList
+    }, function () {
+      this.setTotalFee()
+      this.editOk(cartList[e.currentTarget.dataset.index]) //调用完成
+    })
   },
   blurNum: function (e) {
     var newNum = e.detail.value