分享每一天-解决Call to undefined method Symfony\Component\HttpFoundation\Response::header()

解决Call to undefined method Symfony\Component\HttpFoundation\Response::header()

PHP 1874 0 创建时间：2020-08-06 17:27:08

跨域

#### 解决Call to undefined method Symfony\Component\HttpFoundation\Response::header()的方法

```php
$response = $next($request);
$response->header('Access-Control-Allow-Origin', '*');
$response->header('Access-Control-Allow-Headers', 'Origin, Content-Type, Cookie, Accept, multipart/form-data, application/json, Authorization, X-CSRF-TOKEN');
$response->header('Access-Control-Allow-Methods', 'GET, POST, PATCH, PUT, OPTIONS, DELETE');
$response->header('Access-Control-Allow-Credentials', 'true');
return $response;
```

#### api报错：

```php

Call to undefined method Symfony\Component\HttpFoundation\RedirectResponse::header()

```

解决：
```php
$response = $next($request);
$IlluminateResponse = 'Illuminate\Http\Response';
$SymfonyResopnse = 'Symfony\Component\HttpFoundation\Response';
$headers = [
    'Access-Control-Allow-Origin' => '*',
    'Access-Control-Allow-Methods' => 'POST, GET, OPTIONS, PUT, PATCH, DELETE',
    'Access-Control-Allow-Headers' => 'Access-Control-Allow-Headers, Origin,Accept, X-Requested-With, Content-Type, Access-Control-Request-Method, Authorization , Access-Control-Request-Headers, X-CSRF-TOKEN'
];

if ($response instanceof $IlluminateResponse) {
    foreach ($headers as $key => $value) {
        $response->header($key, $value);
    } 
}

if ($response instanceof $SymfonyResopnse) {
    foreach ($headers as $key => $value) {
        $response->headers->set($key, $value);
    } 
}
```

#### 跨域问题另外解决方案:{推荐}

**http://www.seedblog.cn/article_details/324**

项目中路由使用如下: 中间件

```php
$api = app('Dingo\Api\Routing\Router');

$api->version('v1', ['namespace' => 'App\Http\Controllers\Api\V1','middleware'=>['cors']], function ($api) {

$api->get('test', 'AuthController@test')->name('api.test');

});
```

解决Call to undefined method Symfony\Component\HttpFoundation\Response::header()

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