ThinkPHP 5.1 跨域中间件

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<?php



namespace app\http\middleware;



class CrossDomain

{

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

    {

        header('Access-Control-Allow-Origin: *');

        header("Access-Control-Allow-Headers: Authorization, Sec-Fetch-Mode, DNT, X-Mx-ReqToken, Keep-Alive, User-Agent, If-Match, If-None-Match, If-Unmodified-Since, X-Requested-With, If-Modified-Since, Cache-Control, Content-Type, Accept-Language, Origin, Accept-Encoding");

        header('Access-Control-Allow-Methods: GET, POST, PATCH, PUT, DELETE');

        header('Access-Control-Max-Age: 1728000');

        if (strtoupper($request->method()) == "OPTIONS") {

            return response();

        }



        return $next($request);

    }

}