ecshop首页显示最新评论修改方法

<?php
if(!function_exists("get_comments")){
function get_comments($num)
{
$sql = 'SELECT * FROM '. $GLOBALS['ecs']->table('comment') .
' WHERE status = 1 AND parent_id = 0 and comment_type=0 '.
' ORDER BY add_time DESC';
if ($num > 0)
{
$sql .= ' LIMIT ' . $num;
}
//echo $sql;
$res = $GLOBALS['db']->getAll($sql);
$comments = array();
foreach ($res AS $idx => $row)
{
$comments[$idx]['add_time'] = $comments[$idx]['add_time'] = local_date
($GLOBALS['_CFG']['time_format'], $row['add_time']);
$comments[$idx]['user_name'] = $row['user_name'];
$comments[$idx]['content'] = $row['content'];
$comments[$idx]['id_value'] = $row['id_value'];
}
return $comments;
}
}
$GLOBALS['smarty']->assign('my_comments',get_comments(10)); // 10条数据
?>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<!-- 很新评论__Begin --> <div class="box_2">
<h3><span>很新评论</span></h3>
<div class="top10List clearfix">
<!--{foreach from=$my_comments item=comments}-->
<ul class="clearfix">  <li style="padding:5px 10px;">
<a href="goods.php?id={$comments.id_value}" target="_blank">
{$comments.content|truncate:21:""}</a><br />
{$comments.add_time}
</li>
</ul>
<!--{/foreach}-->
</div>
</div>

<!-- #BeginLibraryItem "/library/index_comments.lbi" -->  <!-- #EndLibraryItem -->