新增下单库存预警消息推送

src/main/java/com/chaozhanggui/system/cashierservice/dao/TbUserShopMsgMapper.java

@@ -2,6 +2,8 @@ package com.chaozhanggui.system.cashierservice.dao;
 
 import com.chaozhanggui.system.cashierservice.entity.TbUserShopMsg;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
 import org.springframework.stereotype.Component;
 
 @Component
@@ -18,4 +20,7 @@ public interface TbUserShopMsgMapper {
     int updateByPrimaryKeySelective(TbUserShopMsg record);
 
     int updateByPrimaryKey(TbUserShopMsg record);
-}
+
+    @Select("select * from tb_user_shop_msg where shop_id=#{shopId}")
+    TbUserShopMsg selectByShopId(@Param("shopId") String shopId);
+}