brand_info(); $ret = array('brands' => array('所有品牌' => $brands)); joutput_data($ret); } private function brand_info() { $mod_brand = Model('brand'); $items = $mod_brand->field('brand_id,brand_name,brand_pic')->limit(false)->select(); return $items; } private function class_info() { $mod_class = Model('goods_class'); } private function write_file() { } }