backend\controllers\BuildingController::actionAdd PHP Method

    public function actionAdd()
    {
        $model = new Building();
        if ($model->load(Yii::$app->request->post())) {
            if ($model->save()) {
                Yii::$app->session->setFlash('success', '成功添加学校建筑“' . $model->name . '”。');
                return $this->redirect(['index']);
            } else {
                Yii::$app->session->setFlash('danger', '添加学校建筑失败。');
            }
        }
        return $this->render('form', ['model' => $model]);
    }