显示购物车数量的函数

yvan.ni
1 parent c445af20
Showing 1 changed file with 25 additions and 2 deletions
app.js
@@ -47,7 +47,6 @@ App({
                app.globalData.user_id= app.globalData.userInfo.user_id;
             }
         }
-
     },
  
     //---初始化第三方----
@@ -58,6 +57,8 @@ App({
         var t = wx.getExtConfigSync(), o = this.globalData.setting;
         console.log(t);
         t.appName ? (o.appName = t.appName, o.stoid = t.stoid) : tt=1;
+
+
     },
  
     //首页的第一次登录
@@ -287,6 +288,28 @@ App({
         var warn = that.selectComponent("#warn"); //组件的id
         warn.open(word,type);
         return 1;
-    }
+    },
+
+
+    //-------获取购物车数量----------
+    requestCardNum: function() {
+        var th = this;
+        th.request.get("/api/weshop/cart/page", {
+            data: {
+                store_id: th.globalData.setting.stoid,
+                user_id: th.globalData.user_id,
+            },
+            success: function(e) {
+                var num = 0;
+                for (var i = 0; i < e.data.data.pageData.length; i++) {
+                    num += e.data.data.pageData[i].goods_num;
+                }
+                wx.setTabBarBadge({ //tabbar右上角添加文本
+                    index: 2, ////tabbar下标
+                    text: '' + num //显示的内容
+                });
+            }
+        });
+    },
  
 });