ecshop调用指定分类（包含子分类）下所有产品的评论信息

调用指定分类（包含子分类）下所有产品的评论信息，使用了ecshop系统自带的函数get_children($cat_id)调用指定分类下所有子分类的id，该自带函数在文件include/lib_common.php文件内：

/**
 * 获得指定分类下的商品评论
 * sun04zh3-20130321
 * @access   public
 * @param    integer $cat_id
 * @return   array
 */
function get_comments_cat_id($cat_id)
{
    $sql = 'SELECT c.id_value, c.user_name, c.content, c.add_time, p.goods_name, p.goods_thumb,p.goods_id  FROM '. 
            $GLOBALS['ecs']->table('comment') .' AS c '.
            ' LEFT JOIN '.$GLOBALS['ecs']->table('goods').' AS p ON p.goods_id = c.id_value '.
            ' WHERE c.comment_rank = 5 AND c.status = 1 AND c.id_value in (SELECT g.goods_id FROM '.
            $GLOBALS['ecs']->table('goods').'AS g '.'WHERE '.get_children($cat_id).') 
            ORDER BY c.comment_id DESC LIMIT 5';
    $res = $GLOBALS['db']->getAll($sql);
    $comment = array();
    foreach ($res AS $row)
    {
        $comment[] = array(
                           'id_value' => $row['id_value'],
                           'user_name'  => $row['user_name'],
                           'short_content'  => sub_str($row['content'],60),
                           'content'  => $row['content'],
                           'add_time' => date("Y-m-d H:i:s", $row['add_time']),
                           'goods_thumb' => $row['goods_thumb'],
                           'goods_short_name'  => sub_str($row['goods_name'],30),
                           'goods_name'  => $row['goods_name'],
                           'url' => build_uri('goods', array('gid'=>$row['goods_id']), $row['goods_name']),);
    }
    return $comment;
}

category.php文件调用：

$smarty->assign('comment',          get_comments_cat_id($cat_id));

category.dwt文件显示：

<!-- {foreach from=$commont item=com} -->
        <div class="pinglun-list">
            <div class="pinglun-photo">
                <div class="pinglun-middle"><a href="{$com.url}"  title="{$com.goods_name}"><img src="{$com.goods_thumb}" width="78" height="58" border="0" /></a></div>
            </div>
            <div class="pinglun-name"><a href="{$com.url}"  title="{$com.goods_name}">{$com.goods_short_name}</a></div>
            <div class="pinglun-brief"><a href="{$com.url}" title="{$com.content}">{$com.short_content}</a></div>
        </div>
        <!--{/foreach}-->