public function action_file($size = null, $file_cate = null, $split_num = null, $file_name = null)
{
$file_name = sprintf('%s.%s', $file_name, Input::extension());
$config = array('type' => 'file', 'file_cate' => $file_cate, 'split_num' => $split_num, 'size' => $size, 'file_name' => $file_name);
$file = new Site_FileMaker($config);
if (!($data = $file->get_data())) {
throw new HttpNotFoundException();
}
$ext = $file->get_extension();
$accept_exts = conf('upload.types.file.accept_format');
return Response::forge($data, 200, array('Content-Type' => $accept_exts[$ext]));
}
