数据集上传文件取消状态码

ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/DatasetServiceImpl.java

@@ -184,16 +184,16 @@ public class DatasetServiceImpl implements DatasetService {
      */
 
     @Override
-    public ResponseEntity<InputStreamResource> downloadDataset(Integer id) {
+    public ResponseEntity<InputStreamResource> downloadDataset(Integer id) throws Exception {
         DatasetVersion datasetVersion = this.datasetVersionDao.queryById(id);
         if (datasetVersion == null) {
-            return ResponseEntity.status(HttpStatus.NOT_FOUND).body(null);
+            throw new Exception("未找到该版本下数据集");
         }
 
         // 从数据库中获取存储路径（即MinIO中的对象名称）
         String objectName = datasetVersion.getUrl();
         if(objectName == null || objectName.isEmpty() ){
-            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(null);
+            throw new Exception("未找到该版本数据集文件");
         }
 
         try {
@@ -210,7 +210,7 @@ public class DatasetServiceImpl implements DatasetService {
 
         } catch (Exception e) {
             e.printStackTrace();
-            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(null);
+            throw new Exception("下载数据集文件错误");
         }
      }