织梦dedecms模板下载里如何显示当前登录会员名

<?php

require_once(dirname(__FILE__)."/../include/common.inc.php");

require_once(DEDEMEMBER."/config.php");

$uid = $cfg_ml->M_LoginID;

$uid = ($uid) ? $uid : '游客';

echo "document.write('".$uid."');";

exit();

<script src="{dede:field name='phpurl'/}/uid.php" language="javascript"></script>