/// <summary>
 /// 删除上传的文件
 /// </summary>
 /// <param name="id"></param>
 /// <param name="detail_id"></param>
 public void DeleteUpload(int id, int detail_id)
 {
     try
     {
         DBResourceUpload dbResourceUpload = new DBResourceUpload();
         dbResourceUpload.Delete(id, detail_id);
     }
     catch (Exception e)
     {
         throw;
     }
 }