Laravel 5.6 CORS問題

Question

我關注了這篇文章，但它僅適用於GET方法（如您所見，已在注釋中提及）。 我也安裝了此包裝，但同樣僅適用於GET方法。 這是我得到的錯誤：

所請求的資源上沒有“ Access-Control-Allow-Origin”標頭。 因此，不允許訪問我的起源 。 響應的HTTP狀態碼為403。

PHP版本：7.1

Laravel版本：5.6

前端應用程序：angular應用程序（我需要在這里更改某物嗎？）

//Cours.php (middleware I created myself using the first method)
class Cors
{
    public function handle($request, Closure $next)
    {
        return $next($request)
            ->header('Access-Control-Allow-Origin', '*')
            ->header('Access-Control-Allow-Methods', 'GET, POST, PUT,         
DELETE, OPTIONS');
    }
}


//cors.php (config/cors.php second method using the laravel-cors package)
return [

    'supportsCredentials' => false,
    'allowedOrigins' => ['*'],
    'allowedOriginsPatterns' => [],
    'allowedHeaders' => ['*'],
    'allowedMethods' => ['*'],
    'exposedHeaders' => [],
    'maxAge' => 0,
];


//kernel.php
namespace App\Http;

use Illuminate\Foundation\Http\Kernel as HttpKernel;

class Kernel extends HttpKernel
{

protected $middleware = [
    \Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode::class,
    \Illuminate\Foundation\Http\Middleware\ValidatePostSize::class,
    \App\Http\Middleware\TrimStrings::class,
    \Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull::class,
    \App\Http\Middleware\TrustProxies::class,
    \Barryvdh\Cors\HandleCors::class,
];

protected $middlewareGroups = [
    'web' => [
        \App\Http\Middleware\EncryptCookies::class,
        \Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,
        \Illuminate\Session\Middleware\StartSession::class,
        // \Illuminate\Session\Middleware\AuthenticateSession::class,
        \Illuminate\View\Middleware\ShareErrorsFromSession::class,
        \App\Http\Middleware\VerifyCsrfToken::class,
        \Illuminate\Routing\Middleware\SubstituteBindings::class,
    ],

    'api' => [
        'throttle:60,1',
        'bindings',
    ],
];


protected $routeMiddleware = [
    'auth' => \App\Http\Middleware\Authenticate::class,
    'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
    'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
    'cache.headers' => \Illuminate\Http\Middleware\SetCacheHeaders::class,
    'can' => \Illuminate\Auth\Middleware\Authorize::class,
    'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
    'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
    'cors' => \App\Http\Middleware\Cors::class,
];
}

Answer 1

您需要在不使用任何程序包的情況下使用此方法的第一個方法，然后再將此類添加到protected $middleware例如該方法，然后post方法也具有所需的標頭。

它對我有用，我希望對你有用。

Answer 2

laravel-cors不需要任何類型的軟件包。 只需創建中間件：

namespace App\Http\Middleware;
use Closure;
class Cors {

    public function handle($request, Closure $next) {
        $allowedOrigins = ['http://myroute.xyz', 'http://clarkconcepts.net','http://localhost'];
        $origin = isset($_SERVER['HTTP_ORIGIN']) ? $_SERVER['HTTP_ORIGIN'] : '';
        if (in_array($origin, $allowedOrigins)) {
            return $next($request)
                ->header('Access-Control-Allow-Origin', $origin)
                ->header('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS')
                ->header('Access-Control-Allow-Headers',' Origin, Content-Type, Accept, Authorization, X-Request-With, cache-control,postman-token, token')
                ->header('Access-Control-Allow-Credentials',' true');
        }
        return $next($request);
    }
}

在app / Http / Kernel.php中，在$ middleware部分中添加Middleware：

protected $middleware = [
    \Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode::class,
    \Illuminate\Foundation\Http\Middleware\ValidatePostSize::class,
    \App\Http\Middleware\TrimStrings::class,
    \Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull::class,
    \App\Http\Middleware\TrustProxies::class,
    \App\Http\Middleware\Cors::class, //added here
];

Answer 3

您也可以使用barryvdh的laravel-cors軟件包。

安裝軟件包后，獲得所有路線的CORS支持的最簡單方法是在Http / Kernel.php中添加這樣的中間件：（$ middleware）

\Barryvdh\Cors\HandleCors::class

並編輯config/Cors.php 'allowedOrigins' => ['*']

更多信息請查看https://github.com/barryvdh/laravel-cors/blob/master/readme.md