关于ecshop的smarty有关问题

define('IN_ECS', true);
require(dirname(__FILE__) . '/includes/init.php');
$type = !empty($_GET['type']) ? $_GET['type'] : 'best';
if ($type != 'best' && $type != 'promote' && $type != 'hot' && $type != 'new')
{
	$type = 'best';
}
$smarty->assign('type', $type);

if (empty($_GET['order_price']))
{
	$order_rule = 'ORDER BY shop_price ASC, g.last_update DESC';
}
else
{
	$order_rule = 'ORDER BY shop_price DESC, g.last_update DESC';
}

if ($type == 'promote')
{
	$goods = wap_get_promote_goods($order_rule);
}
else
{
	$goods = wap_get_recommend_goods($type, $order_rule);
}

$num = count($goods);
if ($num > 0)
{
	foreach ($goods as $key => $data)
	{
		$sort_array[$data['id']] = $key;
	}
	$page_num = '10';
	$page = !empty($_GET['page']) ? intval($_GET['page']) : 1;
	$pages = ceil($num / $page_num);
	if ($page <= 0)
	{
		$page = 1;
	}
	if ($pages == 0)
	{
		$pages = 1;
	}
	if ($page > $pages)
	{
		$page = $pages;
	}
	$i = 1;
	foreach ($sort_array as $goods_key)
	{
		if (($i > ($page_num * ($page - 1 ))) && ($i <= ($page_num * $page)))
		{
			$price = empty($goods[$goods_key]['promote_price_org']) ? $goods[$goods_key]['shop_price'] : $goods[$goods_key]['promote_price'];
			//$wml_data .= "".encode_output($goods[$goods_key]['name'])."[".encode_output($price)."]
";
			$goods_data[] = array('i' => $i , 'price' => encode_output($price) , 'id' => $goods[$goods_key]['id'] , 'name' => encode_output($goods[$goods_key]['name']), 'thumb' => $goods[$goods_key]['thumb']);//16:43 2013-07-16
		}
		$i++;
	}
	$smarty->assign('goods_data', $goods_data);
	$pagebar = get_wap_pager($num, $page_num, $page, 'goods_list.php?type='.$type.'&order_price='.(empty($order_price)?0:$order_price), 'page');
	$smarty->assign('pagebar' , $pagebar);
}

$smarty->assign('footer', get_footer());
$smarty->display('goods_list.html');




function wap_get_recommend_goods($type = '', $order_rule = '')
{
	if (!in_array($type, array('best', 'new', 'hot')))
	{
		return array();
	}

	//取不同推荐对应的商品
	static $type_goods = array();
	if (empty($type_goods[$type]))
	{
		//初始化数据
		$type_goods['best'] = array();
		$type_goods['new'] = array();
		$type_goods['hot'] = array();
		$data = read_static_cache('recommend_goods');
		if ($data === false)
		{
			$sql = 'SELECT g.goods_id, g.is_best, g.is_new, g.is_hot, g.is_promote, b.brand_name,g.sort_order ' .
			   ' FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .
			   ' LEFT JOIN ' . $GLOBALS['ecs']->table('brand') . ' AS b ON b.brand_id = g.brand_id ' .
			   ' WHERE g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 AND (g.is_best = 1 OR g.is_new =1 OR g.is_hot = 1)'.
			   ' ORDER BY g.sort_order, g.last_update DESC';
			$goods_res = $GLOBALS['db']->getAll($sql);
			//定义推荐,最新，热门，促销商品
			$goods_data['best'] = array();
			$goods_data['new'] = array();
			$goods_data['hot'] = array();
			$goods_data['brand'] = array();
			if (!empty($goods_res))
			{
				foreach($goods_res as $data)
				{
					if ($data['is_best'] == 1)
					{
						$goods_data['best'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);
					}
					if ($data['is_new'] == 1)
					{
						$goods_data['new'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);
					}
					if ($data['is_hot'] == 1)
					{
						$goods_data['hot'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);
					}
					if ($data['brand_name'] != '')
					{
						$goods_data['brand'][$data['goods_id']] = $data['brand_name'];
					}
				}
			}
			write_static_cache('recommend_goods', $goods_data);