smarty中进行分列显示

<table border="1" width="599" cellpadding="0" cellspacing="0" align="center">

    <tr>

    <{section name=mydata loop=$news}>

        <td width="69%" align="center">

            <a href="#?id=<{$news[mydata].news_id}>"><{$news[mydata].news_title}>a>

        td>

    <{if $smarty.section.mydata.rownum is div by 3}>

    tr>

    <tr>

    <{/if}>

    <{/section}>

    tr>

table>