简单示例:
<ul class='top-bar-right fr'> <if condition='!isset($_SESSION["uid"]) OR !isset($_SESSION["username"])'> <li><a href="" class='login'>登录</a></li> <li style='color:#eaeaf1'>|</li> <li><a href="" class='register'>注册</a></li> <else/> <li class='userinfo'><a href="{:U('Member/index',array('id'=>$_SESSION['uid']))}" class='uname'>{$Think.session.username}</a></li> <li style='color:#eaeaf1'>|</li> <li><a href="{:U('Common/logout')}">退出</a></li> </if> </ul>