| New file | 
 |  |  | 
 |  |  | package com.dy.pipIrrGlobal.daoPr; | 
 |  |  |  | 
 |  |  | import com.baomidou.mybatisplus.core.mapper.BaseMapper; | 
 |  |  | import com.dy.pipIrrGlobal.pojoPr.PrWaterPrice; | 
 |  |  | import org.apache.ibatis.annotations.Mapper; | 
 |  |  |  | 
 |  |  | /** | 
 |  |  |  * @author ZhuBaoMin | 
 |  |  |  * @date 2024-05-24 9:28 | 
 |  |  |  * @LastEditTime 2024-05-24 9:28 | 
 |  |  |  * @Description | 
 |  |  |  */ | 
 |  |  |  | 
 |  |  | @Mapper | 
 |  |  | public interface PrWaterPriceMapper extends BaseMapper<PrWaterPrice> { | 
 |  |  |     int deleteByPrimaryKey(Long id); | 
 |  |  |  | 
 |  |  |     int insert(PrWaterPrice record); | 
 |  |  |  | 
 |  |  |     int insertSelective(PrWaterPrice record); | 
 |  |  |  | 
 |  |  |     PrWaterPrice selectByPrimaryKey(Long id); | 
 |  |  |  | 
 |  |  |     int updateByPrimaryKeySelective(PrWaterPrice record); | 
 |  |  |  | 
 |  |  |     int updateByPrimaryKey(PrWaterPrice record); | 
 |  |  |  | 
 |  |  |     /** | 
 |  |  |      * 获取水价 | 
 |  |  |      * @return | 
 |  |  |      */ | 
 |  |  |     Double getPrice(); | 
 |  |  | } |