* complete task #299:use default file name when download.

+ complete task #297:add file delete function to all files.

module/task/control.php

@@ -303,6 +303,13 @@ class task extends control
         }
     }
 
+    /* 删除一个文件。*/
+    public function deleteFile($fileID)
+    {
+        $this->dao->delete()->from(TABLE_FILE)->where('id')->eq($fileID)->exec();
+        die(js::reload('parent'));
+    }
+
     /* 发送邮件。*/
     private function sendmail($taskID, $actionID)
     {