package com.whyc.mapper; import com.whyc.dto.BattDto; import com.whyc.pojo.db_station.BattInf; import org.apache.ibatis.annotations.Param; import java.util.List; public interface BattInfMapper extends CustomMapper{ //获取对应的设备id Integer getMaxdevId(); //获取对应的电池组id Integer getMaxBattGroupId(); //查询电池 List getBatt(BattDto dto); //检测电源下是否存在设备 Integer getMaxDevNum(@Param("powerId") Integer powerId); }