## 路由中间件 You can also attach middleware to any route or route group. > 您还可以将中间件附加到任何路由或路由组。 ~~~php $app->group('/foo', function (RouteCollectorProxy $group) { $group->get('/bar', function ($request, $response, $args) { })->add(new RouteMiddleware()); })->add(new GroupMiddleware()); ~~~