流明角色中間件缺少參數

Question

我是新來的流明，我試圖讓角色中間件從一個例子流明文檔工作： http://lumen.laravel.com/docs/middleware#middleware-parameters

但只要我中間件添加到路由像這樣：

$app->get('/', ['middleware' => 'role:editor', 'uses' => 'IndexController@index']); 

我得到的錯誤：

at Application->Laravel\Lumen\{closure}('2', 'Missing argument 3 for App\Http\Middleware\RoleMiddleware::handle()', '/Users/peter/app/Http/Middleware/RoleMiddleware.php', '17', array('request' => object(Request), 'next' => object(Closure))) in RoleMiddleware.php line 17 

當我刪除中間件一切正常

$app->get('/', ['uses' => 'IndexController@index']); 

在app.php：

$app->middleware([ 
    Illuminate\Cookie\Middleware\EncryptCookies::class, 
    Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class, 
    Illuminate\Session\Middleware\StartSession::class, 
    Illuminate\View\Middleware\ShareErrorsFromSession::class, 
    Laravel\Lumen\Http\Middleware\VerifyCsrfToken::class, 
    App\Http\Middleware\RoleMiddleware::class 
]); 

應用程序\ HTTP \中間件\ RoleMiddleware.php：

<?php 

namespace App\Http\Middleware; 

use Closure; 

class RoleMiddleware 
{ 
    public function handle($request, Closure $next, $role) // <-line 17 
    { 
     if (! $request->user()->hasRole($role)) { 
      // Redirect... 
     } 
     return $next($request); 
    } 
} 

希望有人能幫助

Answer 1

看來，你必須註冊中間件RouteMiddleware所以不是：

$app->middleware([ 
    Illuminate\Cookie\Middleware\EncryptCookies::class, 
    Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class, 
    Illuminate\Session\Middleware\StartSession::class, 
    Illuminate\View\Middleware\ShareErrorsFromSession::class, 
    Laravel\Lumen\Http\Middleware\VerifyCsrfToken::class, 
    App\Http\Middleware\RoleMiddleware::class 
]); 

它必須是：

$app->middleware([ 
    Illuminate\Cookie\Middleware\EncryptCookies::class, 
    Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class, 
    Illuminate\Session\Middleware\StartSession::class, 
    Illuminate\View\Middleware\ShareErrorsFromSession::class, 
    Laravel\Lumen\Http\Middleware\VerifyCsrfToken::class, 
]); 

$app->routeMiddleware([ 
    "role" => App\Http\Middleware\RoleMiddleware::class 
]); 

然後它工作正常！

Answer 2

通過我的理解是錯誤您沒有在您的handle()即第三個參數中提供參數。

您的handle()應該看起來像這樣。

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

第三個參數$role存儲值editor按你的代碼