dedecms导航判断当前选中样式

<div class="navr">
    <ul class="nav">
      <li><a href='{dede:global.cfg_cmsurl/}/' {dede:field name=typeid runphp="yes"}(@me=="")? @me=" class='current' ":@me="";{/dede:field}><span>首页</span></a></li>
      {dede:channel type='top' row='10' currentstyle="
      <li><a class='current' href='~typelink~' ~rel~><span>~typename~</span></a></li>
      "}
      <li><a href='[field:typeurl/]' [field:rel/]><span>[field:typename/]</span></a></li>
      {/dede:channel}
    </ul>
  </div>

{dede:field name=typeid runphp="yes"}(@me=="")? @me=" class='current' ":@me="";{/dede:field}>