yii裏面獲取執行的sql語句

<?php
/**
 * Created by PhpStorm.
 * User: 董志勇
 * Date: 2019/11/7
 * Time: 17:40
 */
namespace app\controllers;
use app\controllers\BaseController;
use common\models\orders\Orders;
use common\widgets\Tool;
use yii;
class TestController extends BaseController{
    public function actionShow()
    {
        $query = Orders::find();
        $query->asArray()
            ->where(['=','id','aaa'])
            ->all();

       echo $query->createCommand()->getRawSql();
    }
}