通过路由传递的参数，怎么接收 about fish-redux HOT 2 CLOSED

  onGenerateRoute: (RouteSettings settings) {
      WidgetBuilder builder;
      if (settings.name == '/orderDetials') {
        builder = (ctx) => OrderdetailsPage().buildPage(settings.arguments);
      }
      return new MaterialPageRoute(builder: builder, settings: settings);
    }