public function actionFingerEmpSave()
 {
     if (!Yii::$app->user->isGuest) {
         $model = new Kar_finger();
         if ($model->load(Yii::$app->request->post())) {
             //$model->CREATED_BY = Yii::$app->user->identity->username;
             //$model->CREATED_AT = date('Y-m-d H:i:s');
             $model->save();
             return $this->redirect(['index']);
         } else {
             return ActiveForm::validate($model);
         }
     }
 }