public function actionLogin1()
 {
     $model = new Newuser();
     //        $model->scenario="create";
     $data = Yii::$app->request->post('Newuser');
     //        error_log(print_r($data,1));
     error_log(print_r($model::findByUsername($data['username'], $model::encryptPassword($data['password'])), 1));
     if ($model->load(Yii::$app->request->post()) && $model::findByUsername($data['username'], $model::encryptPassword($data['password']))) {
         error_log(21132);
         $_SESSION['usernews'] = 1;
         $this->redirect(['site/index']);
     } else {
         return $this->render('login', ['model' => $model]);
     }
 }