poco 下c++ http 跨域處理方法

           response.add("Access-Control-Allow-Origin","*");
            response.add("Access-Control-Allow-Methods","POST,GET,OPTIONS,DELETE");
            response.add("Access-Control-Max-Age","3600");
            response.add("Access-Control-Allow-Headers","x-requested-with,content-type");
            response.add("Access-Control-Allow-Credentials","true");