mall_id); $res = $pay_service->create($trade, $params['trade_type'], $openid,$smsCode); return $res; } /** * 作者:zengfanhua * 创建时间:2023/12/30 15:19:56 * 退款 */ public static function refund(array $params) { $pay_service = new PayService($params['mall_id']); $res = $pay_service->refund($params); return $res; } }