Laravel 如何给中间件传递参数?

Laravel how to pass parameter to middlleware?

Kernel.php

protected $routeMiddleware = [
        'auth' => \Illuminate\Auth\Middleware\Authenticate::class,
        'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
        'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
        'can' => \Illuminate\Auth\Middleware\Authorize::class,
        'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
        'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,

        'isSeller' =>App\Http\Middleware\IsSeller::class,
        'isDealer' =>App\Http\Middleware\IsDealer::class,
    ];

web.php

Route::group(['middleware'=>['isDealer:verified']],function (){
    Route::post("/doc_submit", "DealerController@docSubmit")->name('doc-submit');
});

IsDealer.php

public function handle($request, Closure $next)
    {
        if ( Auth::check() && Auth::user()->isDealer() )
        {
            dd($request->route()->parameters()); // []
            $notification_count = count(Notification::where('user_id','=', Auth::user()->id)->where('seen', '=', 0)->get());

            View::share('notification', $notification_count);

            return $next($request);
        } else {
            return GlobalController::AuthLoginPrompt("dealer");
        }
    }

当用户尝试提交文档时,我需要检查该用户的用户帐户验证状态,我如何将参数传递给中间件? dd($request->route()->parameters()) return [] 我已经写了 ['middleware'=>['isDealer:verified' 如何得到 'verified' ]]

根据 laravel documentation,额外的中间件参数将在 $next 参数之后传递给中间件,尝试:

public function handle($request, Closure $next, $verify)