refactor(sip): 修改维护记录查询接口返回类型为列表

- 将 IMaintenanceService 和 MaintenanceMapper 接口中的 query 方法返回类型从 MaintenanceRecord 改为 List<MaintenanceRecord>
- 更新 MaintenanceServiceImpl 中的 query 方法实现，使其返回列表类型
- 这个改动允许查询多个维护记录，而不是单个记录，提高了系统的灵活性和扩展性

ruoyi-sip/src/main/java/com/ruoyi/sip/mapper/MaintenanceMapper.java

@@ -3,6 +3,8 @@ package com.ruoyi.sip.mapper;
 import com.ruoyi.sip.domain.MaintenanceRecord;
 import com.ruoyi.sip.domain.MaintenanceRecordsDto;
 
+import java.util.List;
+
 public interface MaintenanceMapper {
-    MaintenanceRecord query(MaintenanceRecordsDto dto);
+    List<MaintenanceRecord> query(MaintenanceRecordsDto dto);
 }

ruoyi-sip/src/main/java/com/ruoyi/sip/service/IMaintenanceService.java

@@ -3,6 +3,8 @@ package com.ruoyi.sip.service;
 import com.ruoyi.sip.domain.MaintenanceRecord;
 import com.ruoyi.sip.domain.MaintenanceRecordsDto;
 
+import java.util.List;
+
 public interface IMaintenanceService {
-    MaintenanceRecord query(MaintenanceRecordsDto dto);
+    List<MaintenanceRecord> query(MaintenanceRecordsDto dto);
 }

ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/MaintenanceServiceImpl.java

@@ -9,6 +9,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import javax.annotation.Resource;
+import java.util.List;
 
 /**
  * @author :   ch
@@ -32,7 +33,7 @@ public class MaintenanceServiceImpl implements IMaintenanceService {
 
 
     @Override
-    public MaintenanceRecord query(MaintenanceRecordsDto dto) {
+    public List<MaintenanceRecord> query(MaintenanceRecordsDto dto) {
         return mapper.query(dto);
     }
 }