src/main/java/com/campus/water/controller/WorkOrderController.java

@@ -4,11 +4,13 @@ import com.campus.water.entity.WorkOrder;
 import com.campus.water.service.WorkOrderService;
 import com.campus.water.util.ResultVO;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.format.annotation.DateTimeFormat;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.web.bind.annotation.*;
 
+import java.time.LocalDateTime;
 import java.util.List;
 
 @RestController
@@ -145,6 +147,23 @@ public class WorkOrderController {
         }
     }
 
+    // 新增：按时间范围（+可选区域/状态）查询工单（复用已有Repository方法）
+    @GetMapping("/by-time-range")
+    @PreAuthorize("hasAnyRole('SUPER_ADMIN', 'AREA_ADMIN')")
+    public ResultVO<List<WorkOrder>> getOrdersByTimeRange(
+            @RequestParam(required = false) String areaId,          // 可选：区域ID
+            @RequestParam(required = false) WorkOrder.OrderStatus status, // 可选：工单状态
+            @RequestParam @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime startTime, // 必选：开始时间
+            @RequestParam @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime endTime) { // 必选：结束时间
+        try {
+            // 直接调用Service，复用已有Repository的findByCreatedTimeBetween方法
+            List<WorkOrder> orders = workOrderService.getOrdersByConditions(areaId, status, startTime, endTime);
+            return ResultVO.success(orders);
+        } catch (Exception e) {
+            return ResultVO.error(500, "按时间范围查询工单失败：" + e.getMessage());
+        }
+    }
+
     // 获取维修工自己的工单 - 维修人员和管理员可访问
     @GetMapping("/my")
     @PreAuthorize("hasAnyRole('REPAIRMAN', 'SUPER_ADMIN', 'AREA_ADMIN')")

src/main/java/com/campus/water/service/WorkOrderService.java

@@ -1,6 +1,8 @@
 package com.campus.water.service;
 
 import com.campus.water.entity.WorkOrder;
+
+import java.time.LocalDateTime;
 import java.util.List;
 
 public interface WorkOrderService {
@@ -31,4 +33,8 @@ public interface WorkOrderService {
     // 按状态查询工单的方法
     List<WorkOrder> getOrdersByStatus(WorkOrder.OrderStatus status);
     List<WorkOrder> getOrdersByAreaAndStatus(String areaId, WorkOrder.OrderStatus status);
+
+    // 核心：复用已有Repository的时间范围查询，新增组合条件查询方法
+    List<WorkOrder> getOrdersByConditions(String areaId, WorkOrder.OrderStatus status,
+                                          LocalDateTime startTime, LocalDateTime endTime);
 }

src/main/java/com/campus/water/service/WorkOrderServiceImpl.java

@@ -258,4 +258,24 @@ public class WorkOrderServiceImpl implements WorkOrderService {
     public List<WorkOrder> getOrdersByAreaAndStatus(String areaId, WorkOrder.OrderStatus status) {
         return workOrderRepository.findByAreaIdAndStatus(areaId, status);
     }
+
+    @Override
+    public List<WorkOrder> getOrdersByConditions(String areaId, WorkOrder.OrderStatus status,
+                                                 LocalDateTime startTime, LocalDateTime endTime) {
+        // 分步组合查询条件，核心复用已有findByCreatedTimeBetween方法
+        List<WorkOrder> timeRangeOrders = workOrderRepository.findByCreatedTimeBetween(startTime, endTime);
+
+        // 过滤区域和状态（如果传了这些参数）
+        return timeRangeOrders.stream()
+                .filter(order -> {
+                    // 区域过滤：如果传了areaId则匹配，没传则不过滤
+                    boolean areaMatch = (areaId == null || areaId.trim().isEmpty())
+                            || order.getAreaId().equals(areaId);
+                    // 状态过滤：如果传了status则匹配，没传则不过滤
+                    boolean statusMatch = (status == null)
+                            || order.getStatus() == status;
+                    return areaMatch && statusMatch;
+                })
+                .toList();
+    }
 }