/**
* (void) actionTreenode : 生成目录树
* @param string $unitcode
*/
public function actionTree($id = 1)
{
$model = new Menu();
if ($id == '#') {
$id = 1;
}
$data = $model->getChildren($id);
//VarDumper::dump($data);
Yii::$app->response->format = Response::FORMAT_JSON;
echo json_encode($data);
}