Hyperf跨域问题的解决方案
Hyperf跨域的问题解决方案
在传统框架中一般来说有两种方案
例如在laravel中直接在入口文件index.php中加上允许跨域代码，或者通过nginx反向代理配置
在laravel中
header('Access-Control-Allow-Origin:*');
if($_SERVER['REQUEST_METHOD'] == 'OPTIONS'){
header('Access-Control-Allow-Methods: GET,POST,PUT,DELETE,OPTIONS,PATCH');
// 设置是否允许发送 cookies
header('Access-Control-Allow-Credentials: true');
// 设置允许自定义请求头的字段
header('Access-Control-Allow-Headers: Authorization,Content-Type,Content-Length,Accept-Encoding,X-Requested-with, Origin');
exit;
}
但是在hyperf中没有入口文件啊，，，，那么就另外想个办法吧，弄一个中间件来解决也行。
建立一个跨域中间件
<?php
/**
* Author:陈杰
* Blog:http://blog.95shouyou.com
* Email:823380606@qq.com
* Git:https://gitee.com/chen95
* Date:2020/12/8 0008
* Time:11:33
*/
declare(strict_types=1);
namespace App\Middleware;
use Hyperf\Utils\Context;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
class CorsMiddleware implements MiddlewareInterface
{
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
{
$response = Context::get(ResponseInterface::class);
$response = $response->withHeader('Access-Control-Allow-Origin', '*')
->withHeader('Access-Control-Allow-Credentials', 'true')
// Headers 可以根据实际情况进行改写。
->withHeader('Access-Control-Allow-Headers', 'uid,token,Keep-Alive,User-Agent,Cache-Control,Content-Type');
Context::set(ResponseInterface::class, $response);
if ($request->getMethod() == 'OPTIONS') {
return $response;
}
return $handler->handle($request);
}
}
然后再
config/autoload/middlewares.php中注册一下
<?php
declare(strict_types=1);
return [
'http' => [
\App\Middleware\CorsMiddleware::class
],
];
还有一种方式，直接在nginx配置上加上这句也可以
location / {
add_header Access-Control-Allow-Origin *;
add_header Access-Control-Allow-Methods 'GET, POST, OPTIONS';
add_header Access-Control-Allow-Headers 'uid,token,Keep-Alive,User-Agent,Cache-Control,Content-Type,Authorization';
if ($request_method = 'OPTIONS') {
return 204;
}
}
