feat(service): 根据事务一致性原则，删除设备信息时要调用删除异常规则的方法，删除异常规则时调用删除具体措施步骤的删除方法（删除具体措施步骤已调用删除图片的mapper），删除与其绑定的具体措施步骤，层层嵌套并保证事务一致

- 在 EmsAlarmActionStepServiceImpl 中添加级联删除措施步骤和图片的逻辑
- 在 EmsBaseMonitorInfoServiceImpl 中实现设备信息删除时级联删除异常规则和措施步骤
- 在 EmsRecordAlarmRuleServiceImpl 中添加删除异常规则时级联删除措施步骤和图片的逻辑
- 优化了批量删除方法，确保事务一致性

os-ems/src/main/java/com/os/ems/base/service/impl/EmsAlarmActionStepServiceImpl.java

@@ -5,6 +5,7 @@ import java.io.File;
 import java.net.URLDecoder;
 
 import com.os.common.config.RuoYiConfig;
+import com.os.common.exception.ServiceException;
 import com.os.common.utils.DateUtils;
 import com.os.common.utils.StringUtils;
 import com.os.common.utils.uuid.IdUtils;
@@ -96,21 +97,67 @@ public class EmsAlarmActionStepServiceImpl implements IEmsAlarmActionStepService
      * @return 结果
      */
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public int deleteEmsAlarmActionStepByObjIds(String[] objIds)
     {
-        return emsAlarmActionStepMapper.deleteEmsAlarmActionStepByObjIds(objIds);
+        try {
+            int result = 0;
+            for (String objId : objIds) {
+                result += deleteEmsAlarmActionStepByObjId(objId);
+            }
+            return result;
+        } catch (Exception e) {
+            throw new RuntimeException("批量删除措施步骤失败: " + e.getMessage(), e);
+        }
     }
 
     /**
-     * 删除报警规则具体措施步骤信息
+     * 删除报警规则具体措施步骤信息（级联删除关联的图片文件）
      * 
      * @param objId 报警规则具体措施步骤主键
      * @return 结果
      */
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public int deleteEmsAlarmActionStepByObjId(String objId)
     {
-        return emsAlarmActionStepMapper.deleteEmsAlarmActionStepByObjId(objId);
+        try {
+            // 1. 查询要删除的措施步骤信息
+            EmsAlarmActionStep actionStep = emsAlarmActionStepMapper.selectEmsAlarmActionStepByObjId(objId);
+            if (actionStep == null) {
+                throw new RuntimeException("措施步骤不存在 ");
+            }
+            
+            // 2. 删除该步骤关联的所有图片文件
+            EmsAlarmActionStepImage imageQuery = new EmsAlarmActionStepImage();
+            imageQuery.setActionStepObjId(objId);
+            List<EmsAlarmActionStepImage> images = emsAlarmActionStepImageMapper.selectEmsAlarmActionStepImageList(imageQuery);
+            
+            if (images != null && !images.isEmpty()) {
+                for (EmsAlarmActionStepImage image : images) {
+                    try {
+                        // 删除物理文件
+                        deleteImageFile(image.getImageUrl());
+                        // 删除数据库记录
+                        emsAlarmActionStepImageMapper.deleteEmsAlarmActionStepImageByObjId(image.getObjId());
+                    } catch (Exception e) {
+                        throw new RuntimeException("删除措施步骤图片失败，导致事务回滚: " + e.getMessage(), e);
+                    }
+                }
+                System.out.println("删除措施步骤 " + actionStep.getDescription() + " 关联的 " + images.size() + " 张图片");
+            }
+            
+            // 3. 最后删除措施步骤本身
+            int result = emsAlarmActionStepMapper.deleteEmsAlarmActionStepByObjId(objId);
+
+            if (result > 0) {
+                System.out.println("成功删除措施步骤: " + actionStep.getDescription() + " (ID: " + objId + ")");
+            }
+            
+            return result;
+        } catch (Exception e) {
+            throw new RuntimeException("删除措施步骤失败: " + e.getMessage(), e);
+        }
     }
 
     /**

os-ems/src/main/java/com/os/ems/base/service/impl/EmsBaseMonitorInfoServiceImpl.java

@@ -5,11 +5,15 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.stream.Collectors;
 
+import com.os.common.exception.ServiceException;
 import com.os.common.utils.DateUtils;
 import com.os.common.utils.StringUtils;
 import com.os.ems.base.domain.TreeSelects;
+import com.os.ems.record.service.IEmsRecordAlarmRuleService;
+import com.os.ems.record.domain.EmsRecordAlarmRule;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 import com.os.ems.base.mapper.EmsBaseMonitorInfoMapper;
 import com.os.ems.base.domain.EmsBaseMonitorInfo;
 import com.os.ems.base.service.IEmsBaseMonitorInfoService;
@@ -26,6 +30,9 @@ public class EmsBaseMonitorInfoServiceImpl implements IEmsBaseMonitorInfoService
     @Autowired
     private EmsBaseMonitorInfoMapper emsBaseMonitorInfoMapper;
 
+    @Autowired
+    private IEmsRecordAlarmRuleService emsRecordAlarmRuleService;
+
     /**
      * 查询计量设备信息
      * 
@@ -93,21 +100,60 @@ public class EmsBaseMonitorInfoServiceImpl implements IEmsBaseMonitorInfoService
      * @return 结果
      */
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public int deleteEmsBaseMonitorInfoByObjIds(Long[] objIds)
     {
+        for (Long objId : objIds){
+                    // 3. 检查子设备（如果存在，则抛出异常）
+                    EmsBaseMonitorInfo childQuery = new EmsBaseMonitorInfo();
+                    childQuery.setParentId(objId);
+                    List<EmsBaseMonitorInfo> childDevices = emsBaseMonitorInfoMapper.selectEmsBaseMonitorInfoList(childQuery);
+                    if (childDevices != null && !childDevices.isEmpty()) {
+                        throw new ServiceException("存在子节点，无法删除设备信息 ");
+                    }
+                }
         return emsBaseMonitorInfoMapper.deleteEmsBaseMonitorInfoByObjIds(objIds);
     }
 
     /**
-     * 删除计量设备信息信息
+     * 删除计量设备信息信息（级联删除关联的异常规则和措施步骤）
      * 
      * @param objId 计量设备信息主键
      * @return 结果
      */
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public int deleteEmsBaseMonitorInfoByObjId(Long objId)
     {
-        return emsBaseMonitorInfoMapper.deleteEmsBaseMonitorInfoByObjId(objId);
+            // 1. 查询要删除的设备信息
+            EmsBaseMonitorInfo monitorInfo = emsBaseMonitorInfoMapper.selectEmsBaseMonitorInfoByObjId(objId);
+            if (monitorInfo == null) {
+                throw new RuntimeException("设备信息不存在 " );
+            }
+            // 3. 检查子设备（如果存在，则抛出异常）
+            EmsBaseMonitorInfo childQuery = new EmsBaseMonitorInfo();
+            childQuery.setParentId(objId);
+            List<EmsBaseMonitorInfo> childDevices = emsBaseMonitorInfoMapper.selectEmsBaseMonitorInfoList(childQuery);
+            if (childDevices != null && !childDevices.isEmpty()) {
+                throw new ServiceException("存在子节点，无法删除设备信息 ");
+            }
+            
+            // 4. 删除该设备关联的所有异常规则（会级联删除措施步骤和图片）
+            EmsRecordAlarmRule alarmRuleQuery = new EmsRecordAlarmRule();
+            alarmRuleQuery.setMonitorId(monitorInfo.getMonitorCode());
+            List<EmsRecordAlarmRule> alarmRules = emsRecordAlarmRuleService.selectEmsRecordAlarmRuleList(alarmRuleQuery);
+            
+            if (alarmRules != null && !alarmRules.isEmpty()) {
+                Long[] ruleIds = alarmRules.stream()
+                    .map(EmsRecordAlarmRule::getObjId)
+                    .toArray(Long[]::new);
+                // 级联删除异常规则（会自动删除关联的措施步骤和图片）
+                emsRecordAlarmRuleService.deleteEmsRecordAlarmRuleByObjIds(ruleIds);
+
+            }
+            // 5. 最后删除设备本身
+            int result = emsBaseMonitorInfoMapper.deleteEmsBaseMonitorInfoByObjId(objId);
+            return result;
     }
 
     /**

os-ems/src/main/java/com/os/ems/record/service/impl/EmsRecordAlarmRuleServiceImpl.java

@@ -2,8 +2,11 @@ package com.os.ems.record.service.impl;
 
 import java.util.List;
 import com.os.common.utils.DateUtils;
+import com.os.ems.base.service.IEmsAlarmActionStepService;
+import com.os.ems.base.domain.EmsAlarmActionStep;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 import com.os.ems.record.mapper.EmsRecordAlarmRuleMapper;
 import com.os.ems.record.domain.EmsRecordAlarmRule;
 import com.os.ems.record.service.IEmsRecordAlarmRuleService;
@@ -20,6 +23,9 @@ public class EmsRecordAlarmRuleServiceImpl implements IEmsRecordAlarmRuleService
     @Autowired
     private EmsRecordAlarmRuleMapper emsRecordAlarmRuleMapper;
 
+    @Autowired
+    private IEmsAlarmActionStepService emsAlarmActionStepService;
+
     /**
      * 查询异常告警规则
      * 
@@ -77,21 +83,61 @@ public class EmsRecordAlarmRuleServiceImpl implements IEmsRecordAlarmRuleService
      * @return 结果
      */
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public int deleteEmsRecordAlarmRuleByObjIds(Long[] objIds)
     {
-        return emsRecordAlarmRuleMapper.deleteEmsRecordAlarmRuleByObjIds(objIds);
+        try {
+            int result = 0;
+            for (Long objId : objIds) {
+                result += deleteEmsRecordAlarmRuleByObjId(objId);
+            }
+            return result;
+        } catch (Exception e) {
+            throw new RuntimeException("批量删除异常规则失败: " + e.getMessage(), e);
+        }
     }
 
     /**
-     * 删除异常告警规则信息
+     * 删除异常告警规则信息（级联删除关联的措施步骤和图片）
      * 
      * @param objId 异常告警规则主键
      * @return 结果
      */
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public int deleteEmsRecordAlarmRuleByObjId(Long objId)
     {
-        return emsRecordAlarmRuleMapper.deleteEmsRecordAlarmRuleByObjId(objId);
+        try {
+            // 1. 查询要删除的异常规则信息
+            EmsRecordAlarmRule alarmRule = emsRecordAlarmRuleMapper.selectEmsRecordAlarmRuleByObjId(objId);
+            if (alarmRule == null) {
+                throw new RuntimeException("异常规则不存在，ID: " + objId);
+            }
+            
+            // 2. 删除该规则关联的所有措施步骤（会级联删除图片文件）
+            List<EmsAlarmActionStep> actionSteps = emsAlarmActionStepService.selectEmsAlarmActionStepByRuleObjId(objId.toString());
+            
+            if (actionSteps != null && !actionSteps.isEmpty()) {
+                String[] stepIds = actionSteps.stream()
+                    .map(EmsAlarmActionStep::getObjId)
+                    .toArray(String[]::new);
+                
+                // 级联删除措施步骤（会自动删除关联的图片文件）
+                int deletedSteps = emsAlarmActionStepService.deleteEmsAlarmActionStepByObjIds(stepIds);
+                System.out.println("删除异常规则 " + alarmRule.getRuleName() + " 关联的 " + deletedSteps + " 个措施步骤");
+            }
+            
+            // 3. 最后删除异常规则本身
+            int result = emsRecordAlarmRuleMapper.deleteEmsRecordAlarmRuleByObjId(objId);
+            
+            if (result > 0) {
+                System.out.println("成功删除异常规则: " + alarmRule.getRuleName() + " (ID: " + objId + ")");
+            }
+            
+            return result;
+        } catch (Exception e) {
+            throw new RuntimeException("删除异常规则失败: " + e.getMessage(), e);
+        }
     }
 
     /**