public function actionCancel($id)
{
try {
$cancelOrderForm = new CancelOrderForm($id);
} catch (InvalidParamException $e) {
throw new BadRequestHttpException($e->getMessage());
}
if ($cancelOrderForm->load(Yii::$app->request->post()) && $cancelOrderForm->cancel()) {
Yii::$app->session->setFlash('success', '取消成功!');
} else {
Yii::$app->session->setFlash('danger', '取消失败!');
}
return $this->redirect(['view', 'id' => $id]);
}