导航

<header>
    <img src="{IMG_PATH}img/header/banner.png" />
</header>
<nav>
    <img id="logo" src="{IMG_PATH}img/header/q_logo.png" />
    <div class="menu"><span></span><span></span><span></span><span></span></div>
    <ul>
        {pc:content action="category" catid="0" num="25" siteid="$siteid" order="listorder ASC"}
        <li class="{if !$catid}curr{/if}"><a href="{siteurl($siteid)}">首页</a></li>
        {loop $data $r}
        <!--  一级栏目循环开始  -->
        <li class="{if $r[catid] == $catid}curr{/if}"><a href="{$r[url]}">{$r[catname]}</a>
        {if $r[child]}
        <!--是否有子栏目-->
        <ul>
            {pc:content action="category" catid="$r[catid]" num="15" siteid="$siteid" order="listorder ASC"
            return="data2"}

            {loop $data2 $v}
            <!--子栏目循环开始-->
            <li><a href="{$v[url]}">{$v[catname]}</a></li>
            {/loop}
            <!--子栏目循环结束-->
            {/pc}
        </ul>
        {/if}
        </li>
        {/loop}
        <!--  一级栏目循环结束-->
    </ul>
</nav>