TW2.0产品分类获取子分类（频道下频道的产品分类）

{block:category type="child" cid="2" mid="3"}

<div class="c2_l b1_top">

    <div class="b1_tit">

        <div class="ct_p"></div>

        <div class="ct_c">产品分类</div>

        <div class="ct_n"></div>

        <a class="more" href="{$datak[cate_url]}">更多</a>

    </div>

    <div class="b1_cont catalog">

        {loop:$data $v}

        <div class="fenlei">

            <p>

                <a href="{$v[url]}" target="_blank" title="{$v[name]}"><strong>{$v[name]}</strong></a>

            </p>

            <ul>

                {php}global $run;$check_is_son=$run->category->check_is_son($v[upid]);if($check_is_son){$arr=$run->category->get_cids_by_upid($v[cid],3);$tmp=$run->category->get_category_db();foreach($arr as $key=>$value){$cname=$tmp[$key]['name'];$curl=$run->category->category_url($tmp[$key]['cid'],$tmp[$key]['alias']);echo '<li><a href='.$curl.'>'.$cname.'</a></li>';}}else{echo "<li>暂无分类！</li>";}{/php}

            </ul>

            <div class="c_b"></div>

        </div>

        {/loop}

    </div>

</div>

{/block}