文件下载

application/index/controller/News.php

@@ -216,6 +216,9 @@ class News extends Basic
         $where['id']     = $this->params['file_id'];
         $m_file = new SFile();
         $data = $m_file->getFileById($field, $where);
+        if (!$data) {
+            return $this->response(101, "查无数据！");
+        }
 
         $file_name = $data['file_name'];
         $file_former_name = $data['file_former_name'];