phpstudy配置nginx跨域请问

      add_header Access-Control-Allow-Origin *;
		add_header Access-Control-Allow-Methods 'GET, POST, OPTIONS';
		add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';

		if ($request_method = 'OPTIONS') {
			return 204;
		}