l3能源成本分摊（部分完成留存）

klp-ems/src/main/java/com/klp/ems/controller/EmsEnergyConsumptionController.java

@@ -2,6 +2,7 @@ package com.klp.ems.controller;
 
 import java.util.List;
 import java.util.Arrays;
+import java.util.Map;
 
 import com.klp.ems.domain.bo.EmsEnergyConsumptionQueryBo;
 import com.klp.ems.domain.vo.*;
@@ -80,6 +81,14 @@ public class EmsEnergyConsumptionController extends BaseController {
         return R.ok(iEmsEnergyConsumptionService.getChainAnalysis(queryBo));
     }
 
+    /**
+     * 获取能耗统计信息
+     */
+    @GetMapping("/statistics")
+    public R<Map<String, Object>> getStatistics(EmsEnergyConsumptionBo bo) {
+        return R.ok(iEmsEnergyConsumptionService.getStatistics(bo));
+    }
+
     /**
      * 查询能耗记录列表
      */
@@ -109,6 +118,31 @@ public class EmsEnergyConsumptionController extends BaseController {
         return R.ok(iEmsEnergyConsumptionService.queryById(energyConsumptionId));
     }
 
+    /**
+     * 获取设备的上次抄表记录（用于自动填充起始数据）
+     * 如果是首次抄表，返回null；否则返回上次抄表的结束读数作为本次的起始读数
+     *
+     * @param meterId 设备ID
+     */
+    @GetMapping("/lastReading/{meterId}")
+    public R<EmsEnergyConsumptionVo> getLastReading(@NotNull(message = "设备ID不能为空")
+                                                    @PathVariable Long meterId) {
+        EmsEnergyConsumptionVo lastReading = iEmsEnergyConsumptionService.getLastReadingForMeter(meterId);
+        return R.ok(lastReading);
+    }
+
+    /**
+     * 获取设备本月的累计消耗量
+     *
+     * @param meterId 设备ID
+     */
+    @GetMapping("/monthlyConsumption/{meterId}")
+    public R<Double> getMonthlyConsumption(@NotNull(message = "设备ID不能为空")
+                                           @PathVariable Long meterId) {
+        Double monthlyConsumption = iEmsEnergyConsumptionService.getMonthlyConsumption(meterId);
+        return R.ok(monthlyConsumption);
+    }
+
     /**
      * 新增能耗记录
      */