[PHP知识库]laravel中间件配置跨域

public function handle($request, Closure $next, $guard = null)
{

    header("Access-Control-Allow-Origin: *");
    header("Access-Control-Allow-Credentials: true");
    header("Access-Control-Allow-Methods: *");
    header('Access-Control-Allow-Headers', 'Origin ,Content-Type,Access-Token,Cookie, Accept,multipart/form-data, application/json');
    header('Access-Control-Expose-Headers:*');

    if($request->getMethod() === 'OPTIONS'){
        $origin = $request->header('ORIGIN', '*');
        header("Access-Control-Allow-Origin: $origin");
        header("Access-Control-Allow-Credentials: true");
        header('Access-Control-Allow-Methods: POST, GET, OPTIONS, PUT, DELETE');
        header('Access-Control-Allow-Headers: Origin, Access-Control-Request-Headers, SERVER_NAME, Access-Control-Allow-Headers, cache-control, token, X-Requested-With, Content-Type, Accept, Connection, User-Agent, Cookie, X-XSRF-TOKEN');
        header('Access-Control-Allow-Headers:signature');
    }
    return $next($request);
}