components/shopping/shoppingitem/shoppingitem.js

@@ -1,4 +1,5 @@
 // components/shopping/shoppingitem/shoppingitem.js
+import {request} from "../../../utils/bin"
 Component({
     /**
      * 组件的属性列表
@@ -7,14 +8,16 @@ Component({
         shopname: String,
         shopdesc: String,
         price: Number,
-        pic: String
+        pic: String,
+        gid:Number,
+        num:Number
     },
 
     /**
      * 组件的初始数据
      */
     data: {
-        num: 5
+        
     },
 
     /**
@@ -25,15 +28,31 @@ Component({
             if (this.data.num == 0) {
                 return
             } else {
-                this.setData({
-                    num: this.data.num - 1
+                request({
+                    url:"Cart/updateNum",
+                    urldata:{
+                        id:this.data.gid,
+                        num:this.data.num - 1
+                    }
+                }).then((res)=>{
+                    this.setData({
+                        num: this.data.num - 1
+                    })
                 })
+               
             }
         },
         add() {
-
-            this.setData({
-                num: this.data.num + 1
+            request({
+                url:"Cart/updateNum",
+                urldata:{
+                    id:this.data.gid,
+                    num:this.data.num + 1
+                }
+            }).then((res)=>{
+                this.setData({
+                    num: this.data.num + 1
+                })
             })
         }
 

pages/shopping/shopping.wxml

@@ -1,6 +1,6 @@
 <view class="shopping">
    <view class="item" wx:for="{{list}}" wx:for-index="j" wx:key="{{j}}">
-      <shopping-item shopname="{{item.goods_name}}" shopdesc="{{item.spec_key_name||'默认规格'}}" price="{{item.goods_price}}" pic="{{item.image}}"></shopping-item>
+      <shopping-item shopname="{{item.goods_name}}" shopdesc="{{item.spec_key_name||'默认规格'}}" price="{{item.goods_price}}" pic="{{item.image}}" num="{{item.goods_num}}" gid="{{item.id}}"></shopping-item>
    </view>
    <!-- <view class="item">
       <shopping-item shopname="J`adore - Dior" shopdesc="30支   1.30kg" price="61.78"></shopping-item>