<blockquote class="info"><p>子栏目调用标签</p></blockquote>
~~~
{nav cid='20' order='"sort desc"' value=''} 循环的栏目 {/nav}
/*
3个参数
cid=查询的栏目ID，若为空，则默认为当前栏目的id
order=排序规则 默认sort desc
value = '自定义变量'
*/
~~~
<blockquote class="info"><p>案例</p></blockquote>
~~~
{nav cid='20' order='"sort desc"' value=''}
<li>
<a href="{if condition='$nav["jumpurl"]'}{$nav["jumpurl"]}{else/}{:url('index/index/'.$nav['model'],['id'=>$nav['id']])}{/if}" title="{$nav.name}">
<img src="{$nav['originalPic']}" alt="">
<h2>{$nav.name}</h2>
<p>{$nav.description}</p>
</a>
</li>
{/nav}
~~~
