dedecms织梦让上传的图片名字不变保持原名

$filename_name = $cuserLogin->getUserID().'-'.dd2char(MyDate("ymdHis", $nowtme).mt_rand(100,999));

$fs2 = explode('.', $imgfile_name);
$filename_name = $fs2[count($fs2)-2];//缩略图不重命名

$filename = $cuserLogin->getUserID().'-'.dd2char(MyDate('ymdHis', time())).$rnddd;

if($ftype=='imagelit') $filename .= '-L';

$filename = $cuserLogin->getUserID().'-'.dd2char(MyDate('ymdHis', time())).$rnddd;

$file_snames = explode('.', $Filename);
$filename = $file_snames[count($file_snames)-2];//缩略图不重命名