laravel 路由按中间件分组

```php Route::group(['middleware' => ['visit']], function () { …… }); ```

Laravel 中间件获取路由参数

路由 ```php Route::get('{group:slug}', [GroupController::class, 'posts'])->name('group.show'); ``...

Laravel 中间件返回视图

```php public function handle(Request $request, Closure $next): Response { if(xxx){ return re...