From 65bca4b36817d91360ed32c22ddb6b97dd9c8fb7 Mon Sep 17 00:00:00 2001
From: HuangHuiKang <HuangHuiKang@qq.com>
Date: Thu, 29 Jan 2026 17:50:49 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E4=BF=AE=E5=A4=8D=E9=87=87=E9=9B=86?=
 =?UTF-8?q?=E8=AE=BE=E5=A4=87=E5=88=A0=E9=99=A4=E9=97=AE=E9=A2=98?=
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---
 .../yudao/module/iot/enums/ErrorCodeConstants.java |  2 ++
 .../module/iot/dal/mysql/device/DeviceMapper.java  |  3 +++
 .../iot/service/device/DeviceServiceImpl.java      | 14 ++++++++++++--
 .../main/resources/mapper/device/DeviceMapper.xml  |  7 +++++++
 4 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/yudao-module-iot/yudao-module-iot-api/src/main/java/cn/iocoder/yudao/module/iot/enums/ErrorCodeConstants.java b/yudao-module-iot/yudao-module-iot-api/src/main/java/cn/iocoder/yudao/module/iot/enums/ErrorCodeConstants.java
index b549cd6d70..e8c00c1d03 100644
--- a/yudao-module-iot/yudao-module-iot-api/src/main/java/cn/iocoder/yudao/module/iot/enums/ErrorCodeConstants.java
+++ b/yudao-module-iot/yudao-module-iot-api/src/main/java/cn/iocoder/yudao/module/iot/enums/ErrorCodeConstants.java
@@ -10,6 +10,8 @@ import cn.iocoder.yudao.framework.common.exception.ErrorCode;
 public interface ErrorCodeConstants {
 
     ErrorCode DEVICE_NOT_EXISTS = new ErrorCode(1_003_000_000, "设备不存在");
+    ErrorCode DEVICE_REFERENCES_EXIST = new ErrorCode(1_003_000_000, "存在设备已被引用，请先删除引用。");
+
     ErrorCode DEVICE_EXISTS = new ErrorCode(1_003_000_000, "同名或同主题设备已存在");
 
 
diff --git a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/mysql/device/DeviceMapper.java b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/mysql/device/DeviceMapper.java
index 933319dfd4..380ba1f8d7 100644
--- a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/mysql/device/DeviceMapper.java
+++ b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/dal/mysql/device/DeviceMapper.java
@@ -101,4 +101,7 @@ public interface DeviceMapper extends BaseMapperX<DeviceDO> {
 
 
     DeviceOperationStatusRespVO getDeviceOperationalStatus();
+
+    int selectIsReference(@Param("deviceId") Long deviceId);
+
 }
\ No newline at end of file
diff --git a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/DeviceServiceImpl.java b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/DeviceServiceImpl.java
index 27179073e8..452eb97779 100644
--- a/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/DeviceServiceImpl.java
+++ b/yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/DeviceServiceImpl.java
@@ -108,8 +108,6 @@ public class DeviceServiceImpl implements DeviceService {
     @Resource
     private DeviceOperationRecordMapper deviceOperationRecordMapper;
 
-
-
     @Override
     @Transactional(rollbackFor = Exception.class)
     public DeviceDO createDevice(DeviceSaveReqVO createReqVO) {
@@ -213,14 +211,26 @@ public class DeviceServiceImpl implements DeviceService {
         for (Long id : ids) {
             // 校验存在
             validateDeviceExists(id);
+            //是否有引用
+            validateReference(id);
 //            // 删除
 //            deviceMapper.deleteById(id);
             // 删除子表
             deleteDeviceConcatByDeviceId(id);
+
         }
         deviceMapper.deleteByIds(ids);
     }
 
+    private void validateReference(Long deviceId) {
+
+        int count = deviceMapper.selectIsReference(deviceId);
+        if (count > 0){
+            throw exception(DEVICE_REFERENCES_EXIST);
+        }
+
+    }
+
     private void deleteDeviceConcatByDeviceId(Long id) {
         LambdaQueryWrapper<DeviceContactModelDO> deviceContactModelDOLambdaQueryWrapper = new LambdaQueryWrapper<>();
         deviceContactModelDOLambdaQueryWrapper.eq(DeviceContactModelDO::getDeviceId,id);
diff --git a/yudao-module-iot/yudao-module-iot-biz/src/main/resources/mapper/device/DeviceMapper.xml b/yudao-module-iot/yudao-module-iot-biz/src/main/resources/mapper/device/DeviceMapper.xml
index df35f684d8..bdc808aaed 100644
--- a/yudao-module-iot/yudao-module-iot-biz/src/main/resources/mapper/device/DeviceMapper.xml
+++ b/yudao-module-iot/yudao-module-iot-biz/src/main/resources/mapper/device/DeviceMapper.xml
@@ -122,4 +122,11 @@
 
         order by mo.id desc
     </select>
+    <select id="selectIsReference" resultType="java.lang.Integer">
+        select
+        count(1)
+        from mes_organization
+        where machine_id = #{deviceId}
+        and deleted = 0
+    </select>
 </mapper>
\ No newline at end of file