public function actionBackup()
{
$model = new Database();
try {
$model->backup();
Yii::$app->session->setFlash('success', Yii::t('System', 'database_backup_success'));
return $this->redirect('restore');
} catch (Exception $e) {
Yii::$app->session->setFlash('error', $e->getMessage());
return $this->redirect('index');
}
}
