/** * (void) actionTree : 树 * @param string $id * @param $user_id 用户ID */ public function actionTree($id = '@', $user_id) { $model = new MapUnit(); if ($id == '#') { $id = '@'; } $data = $model->getChildren($id, $user_id); Yii::$app->response->format = Response::FORMAT_JSON; echo json_encode($data); }