dedecms织梦列表页每隔N行文章添加一条分隔线的实现方法

{dede:arclist row=30 titlelen=50 orderby=pubdate}
<li><span>[field:stime/]</span><a href="[field:arcurl/]" target="_blank">[field:title/]</a>
[field:global name=autoindex runphp="yes"]
if(@me%10==0)@me="<div class="liehuo_line"></div>";
else @me="";
[/field:global]
</li>
{/dede:arclist}

<style type="text/css">
.liehuo_line{ height:1px; width:100%; border-bottom:1px dashed #000;}
</style>
<div class="liehuo_line"></div>