{pc:content action="category" catid="0" num="25" siteid="$siteid" order="listorder ASC"}
<a href="{siteurl($siteid)}" title="首页">首 页</a>{loop $data $k $r}<a href="{$r[url]}" title="{$r[catname]}" class="">{$r[catname]}</a>{pc:content action="category" catid="$k" num="25" siteid="$siteid" order="listorder ASC"}{loop $data $v}<a href="{$v[url]}" title="{$r[catname]}">{$v[catname]}</a>{/loop}{/pc}{/loop}{/pc}原文：http://www.cnblogs.com/flay/p/4213894.html