api更新

@@ -76,7 +76,8 @@ class Classification extends Api
             "goods_name": "小米Mix3",
             "price": "100.00",
             "line_price": "1000.00",划线价
-            "image_text": "图片路径"
+            "image_text": "图片路径",
+            "stock_num": 68, 商品总库存
             }
         ]
     },

@@ -137,6 +137,7 @@ class Index extends Api
             "price": "100.00", 价格
             "line_price": "1000.00", 划线价
             "image_text": "图片地址"
+            "stock_num": 68, 商品总库存
             }
         ]
     })

@@ -57,6 +57,7 @@ class Order extends Api
                 "total_num": 0, 数量
                 "total_price": "0.00", 价格
                 "image_text": "" 图片
+                "stock_num": 68, 商品总库存
             }],
             "createtime_text": "" 时间
             }