Yii2 开启事务 批量插入

$trans = Yii::$app->db->beginTransaction();$m = new User();try{    foreach($list as $attributes){        $m->isNewRecord = true;        $m->setAttributes($attributes);        if(!$m->save()){            $trans->rollBack();            Yii::$app->session->setFlash('warning', '操作失败');            return $this-->render('',[]);        }else{            $m->id  = 0;        }    }    $trans->commit();    Yii::$app->session->setFlash('success', '操作成功');    return $this->redirect(['']);}catch(Exception $e){    $trans->rollBack();    Yii::$app->session->setFlash('warning', '操作失败.');    return $this->render('', []);}

Yii2.0 批量插入数据http://www.yiichina.com/tutorial/106