修改

wang-hao-jie

2021-11-25 97b74f99421ae0af00b3dcfa5c875a15ec287e6d

 xboot-modules/xboot-your/src/main/java/cn/exrick/xboot/your/mapper/DrivingRecordMapper.java

New file
@@ -0,0 +1,20 @@
package cn.exrick.xboot.your.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import cn.exrick.xboot.your.entity.DrivingRecord;
import org.apache.ibatis.annotations.Select;

import java.util.List;

/**
 * 行车记录数据处理层
 * @author zhangzeli
 */
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);
}