活动商品总库存

@@ -38,7 +38,8 @@ class Activity 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
         }
         ]
         },
@@ -77,6 +78,8 @@ class Activity extends Api
                     ->sum('number');
                 $item['price'] = $goods_spec['goods_price'];
                 $item['line_price'] = $goods_spec['line_price'];
+                // 总库存
+                $item->append(['stock_num']);
             });
         $timeslot = $this->timeplot();
         foreach ($timeslot as $key => $value){