dede前台页面实现会员的登录状态

{dede:php}
require_once(DEDEMEMBER."/config.php");
$uid = $cfg_ml->M_LoginID;

if(!$uid){
echo '<div><a class="login-button" href="login.php">登录</a>
|<a class="join-button" href="add.php">加入</a></div>
';
}else{
echo ' <div><a class="login-button" href="#">'.$uid.'</a>
|<a class="join-button" href="<?php echo $cfg_memberurl; ?>/index_do.php?fmdo=login&dopost=exit">登出</a></div& gt;
';

}
{/dede:php}