l3能源成本分摊（部分完成留存）

klp-ems/src/main/java/com/klp/ems/mapper/EmsEnergyRateMapper.java

@@ -3,6 +3,9 @@ package com.klp.ems.mapper;
 import com.klp.ems.domain.EmsEnergyRate;
 import com.klp.ems.domain.vo.EmsEnergyRateVo;
 import com.klp.common.core.mapper.BaseMapperPlus;
+import org.apache.ibatis.annotations.Param;
+
+import java.time.LocalDate;
 
 /**
  * 能源费率（currency 为 INT：0=CNY,1=USD,2=EUR）Mapper接口
@@ -12,4 +15,9 @@ import com.klp.common.core.mapper.BaseMapperPlus;
  */
 public interface EmsEnergyRateMapper extends BaseMapperPlus<EmsEnergyRateMapper, EmsEnergyRate, EmsEnergyRateVo> {
 
+    /**
+     * 按能源类型与日期获取生效费率。
+     */
+    EmsEnergyRate selectEffectiveRate(@Param("energyTypeId") Long energyTypeId,
+                                      @Param("calcDate") LocalDate calcDate);
 }