样品有相关任务禁止删除

quality-review/src/main/java/com/ruoyi/mapper/TaskSampleRelationMapper.java

@@ -22,4 +22,6 @@ public interface TaskSampleRelationMapper extends BaseMapper<TaskSampleRelation>
     /**
      * 根据样品id查询*/
     List<SampleTaskVo> selectTaskBysampleId(@Param("idList") List<Long> idList);
+
+    public int selectTaskSumBySampleId(@Param("sampleId") Long sampleId);
 }

quality-review/src/main/java/com/ruoyi/web/SampleManagementController.java

@@ -3,7 +3,9 @@ package com.ruoyi.web;
 import java.util.List;
 
 import com.ruoyi.common.core.domain.R;
+import com.ruoyi.common.exception.ServiceException;
 import com.ruoyi.domain.Sample;
+import com.ruoyi.mapper.TaskSampleRelationMapper;
 import com.ruoyi.service.SampleManagementService;
 import com.ruoyi.web.request.SampleManagementGetInfoRequest;
 import com.ruoyi.web.request.SampleManagementRequest;
@@ -35,6 +37,9 @@ public class SampleManagementController extends BaseController
     @Autowired
     private SampleManagementService sampleManagementService;
 
+    @Autowired
+    private TaskSampleRelationMapper taskSampleRelationMapper;
+
     /**
      * 查询样品管理列表
      */
@@ -99,6 +104,10 @@ public class SampleManagementController extends BaseController
 	@PostMapping ("/del")
     public AjaxResult remove(@Validated @RequestBody SampleManagementGetInfoRequest request)
     {
+       int num =  taskSampleRelationMapper.selectTaskSumBySampleId(request.getId());
+        if(num>0){
+            throw new ServiceException("已有相关任务，不允许删除");
+        }
         return toAjax(sampleManagementService.removeById(request.getId()));
     }
 

quality-review/src/main/resources/mapper/TaskSampleRelationMapper.xml

@@ -39,4 +39,12 @@
             #{id}
         </foreach>
     </select>
+
+    <select id="selectTaskSumBySampleId">
+        select
+            count(task_id)
+        FROM
+            t_task_sample_relation
+        where sample_id = #{sampleId}
+    </select>
 </mapper>
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