public static function get_instance()
{
if (self::$instance === null) {
$classname = __CLASS__;
self::$instance = new $classname();
}
return self::$instance;
}
/**
* 通过商品类型ID获取商品类型所关联的商品品牌
*
* @param integer $classify_id
* @return array
*/
public static function get_clsbrdrs($classify_id = 0)
{
$brands = $query_struct = array();
if ($classify_id > 0) {
$query_struct_relation = array('where' => array('classify_id' => $classify_id));
$brand_ids = array();
$records = Classify_brand_relationService::get_instance()->index($query_struct_relation);
foreach ($records as $record) {
if (!in_array($record['brand_id'], $brand_ids)) {
$brand_ids[] = $record['brand_id'];
}
}
if (!empty($brand_ids)) {
$query_struct = array('where' => array('id' => $brand_ids), 'orderby' => array('name' => 'ASC'));
}
}
$brands = BrandService_Core::get_instance()->index($query_struct);
return $brands;
}
