frontend\controllers\AddressController::actionAdd PHP Method

    public function actionAdd()
    {
        $model = new Address();
        $model->load(Yii::$app->request->post());
        $model->user_id = Yii::$app->user->id;
        if (Yii::$app->request->isAjax) {
            Yii::$app->response->format = Response::FORMAT_JSON;
            return ActiveForm::validate($model);
        }
        if (Yii::$app->request->isPost && $model->save()) {
            Yii::$app->session->setFlash('success', '您已成功添加收货人是 ' . $model->consignee . ' 的收货地址。');
            return $this->redirect(['index']);
        }
        return $this->render('form', ['model' => $model]);
    }