src/main/java/com/gk/firework/Mapper/SaleProductInfoMapper.java
对比新文件 @@ -0,0 +1,16 @@ package com.gk.firework.Mapper; import com.baomidou.mybatisplus.core.mapper.BaseMapper; import com.gk.firework.Domain.SaleProductInfo; import org.apache.ibatis.annotations.Param; import org.springframework.stereotype.Repository; import java.util.List; @Repository public interface SaleProductInfoMapper extends BaseMapper<SaleProductInfo> { List<SaleProductInfo> selectRandom(@Param("n") int n); }