"forex_liquidation_file", // the name of service "partner" =>$partner, "start_date" => "20071202", // you should change it, it is the start day. "end_date" => "20071209", //you should change it, it is the end day. ); $alipay = new alipay_service($parameter,$security_code,$sign_type); print_r($parameter ); $link=$alipay->create_url(); print << submit EOT; ?>