ECSHOP调用指定分类以及子分类下推荐商品（指定best，cat_id，number）

函数保存在include/lib_goods.php文件，调用了ecshop自带的函数get_children($cat_id)调用指定分类下所有子分类的id，该函数在文件include/lib_common.php文件内；

具体代码如下：

/**
 * 获得指定分类下的推荐商品
 * sun04zh3-20130321
 * @access  public
 * @param   string      $type       推荐类型，可以是 best, new, hot, promote
 * @param   string      $cats       分类的ID
 * @param   integer     $num        显示的产品数量
 * @return  array
 */
function get_category_recommend_goods_cat_id($type = '',$cat_id, $num)
{
    
    $sql = 'Select g.goods_id, g.goods_name, g.goods_name_style, g.market_price, g.shop_price, g.promote_price, ' .
                "promote_start_date, promote_end_date, g.goods_brief, g.goods_thumb, goods_img, " .
                "g.is_best, g.is_new, g.is_hot, g.is_promote " .
            'FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .
            "Where g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 AND ".get_children($cat_id);
            
    switch ($type)
    {
        case 'best':
            $sql .= ' AND g.is_best = 1';
            break;
        case 'new':
            $sql .= ' AND g.is_new = 1';
            break;
        case 'hot':
            $sql .= ' AND g.is_hot = 1';
            break;
        case 'promote':
            $time = gmtime();
            $sql .= " AND is_promote = 1 AND promote_start_date <= '$time' AND promote_end_date >= '$time'";
            break;
    } 
    $sql .=" LIMIT $num";
    $res = $GLOBALS['db']->getAll($sql);
    $goods = array();
    foreach ($res AS $idx => $row)
    {
        $goods[$idx]['id']           = $row['goods_id'];
        $goods[$idx]['name']         = $row['goods_name'];
        $goods[$idx]['brief']        = $row['goods_brief'];
        $goods[$idx]['brand_name']   = $row['brand_name'];
        $goods[$idx]['goods_style_name']   = add_style($row['goods_name'],$row['goods_name_style']);
        $goods[$idx]['short_name']   = $GLOBALS['_CFG']['goods_name_length'] > 0 ?
                                           sub_str($row['goods_name'], $GLOBALS['_CFG']['goods_name_length']) : $row['goods_name'];
        $goods[$idx]['short_style_name']   = add_style($goods[$idx]['short_name'],$row['goods_name_style']);
        $goods[$idx]['market_price'] = price_format($row['market_price']);
        $goods[$idx]['shop_price']   = price_format($row['shop_price']);
        $goods[$idx]['thumb']        = empty($row['goods_thumb']) ? $GLOBALS['_CFG']['no_picture'] : $row['goods_thumb'];
        $goods[$idx]['goods_img']    = empty($row['goods_img'])   ? $GLOBALS['_CFG']['no_picture'] : $row['goods_img'];
        $goods[$idx]['url']          = build_uri('goods', array('gid' => $row['goods_id']), $row['goods_name']);
    }
    return $goods;
}

gategory.php文件调用：

$smarty->assign('best_goods_rmb',       get_category_recommend_goods_cat_id('best',8 ,8));

gategory.dwt文件调用：

<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<!-- {if $best_goods_rmb} -->
    <!--{foreach from=$best_goods_rmb item=rmb}-->  
    <li><a href="{$rmb.url}"><img src="{$rmb.thumb}" alt="{$rmb.name|escape:html}" width="150" height="123" /></a><p><a href="{$rmb.url}" title="{$rmb.name|escape:html}">{$rmb.short_style_name}</a></p><em><!-- {if $rmb.promote_price neq ""} -->{$rmb.promote_price}<!-- {else}-->{$rmb.shop_price}<!--{/if}--></em></li>
    <!--{/foreach}-->
<!-- {/if} -->