dedecms5.7调用会员登录 显示登陆状态

一下代码就是 调用会员登陆状态，退出，显示注册和登陆

{dede:php}

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

        $uid = $cfg_ml->M_LoginID;

        if(!$uid){

            echo '<div><a class="login-button" href="/member/login.php">登录</a>

        |<a class="join-button" href="/member/index_do.php?fmdo=user&dopost=regnew">注册</a></div>

';

        }else{

        echo ' <div><a class="login-button" href="'. $cfg_memberurl.'/index.php">'.$uid.'</a>

        |<a class="join-button" href="/member/index_do.php?fmdo=login&dopost=exit">登出</a></div>

';

        }

        {/dede:php}