`{pc:content action="category" catid="0" num="10" siteid="$siteid" order="listorder ASC"} ` `<li><a {if !$catid}class="current"{/if} href="{siteurl($siteid)}">首页</a></li> ` `{loop $data $r} ` `<li> ` `<a href="{$r['url']}"{if $r['catid'] == $catid || $CATEGORYS[$CAT['parentid']]['catid']==$r['catid']} class="current"{/if}>{$r['catname']}</a> ` ` {if $r['child']} ` ` <ul class="sub_nav"> ` `{pc:content action="category" catid="$r['catid']" num="15" siteid="$siteid" order="listorder ASC"} ` `{loop $data $r} ` `<li><a href="{$r['url']}">{$r['catname']}</a></li> ` `{/loop} ` `{/pc} ` `</ul> ` `{/if} ` `</li> ` `{/loop} ` `{/pc}`