xboot-modules/xboot-your/src/main/java/cn/exrick/xboot/your/mapper/DrivingRecordMapper.java
@@ -2,6 +2,7 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper; import cn.exrick.xboot.your.entity.DrivingRecord; import org.apache.ibatis.annotations.Select; import java.util.List; @@ -11,4 +12,9 @@ */ public interface DrivingRecordMapper extends BaseMapper<DrivingRecord> { @Select("select max(mileage) from t_driving_record where user_id=#{userId}") Integer maxByUserId(String userId); @Select("select min(mileage) from t_driving_record where user_id=#{userId}") Integer minByUserId(String userId); }