feat：商品类型

src/Goods/Enum/GoodsEnum.php

@@ -5,10 +5,15 @@
  * Date: 2018/7/26
  * Time: 16:00
  */
+
 namespace Hdll\Services\Goods\Enum;
 
-class GoodsEnum{
+class GoodsEnum
+{
 	const ON_OFFER = 0;//出售中
 	const SOLD_OUT = 1;//下架
 	const SELL_OUT = 2;//售完
+
+	const SERVER_GOODS = 1;//服务商品
+	const ENTITY_GOODS = 2;//实体商品
 }
\ No newline at end of file