     method: 'POST',
            dataType: "json",
            contentType: "application/json",
            data: JSON.stringify({
                "id": payOrderId,
                "channelCode": 'alipay_qr'
            }),
            success: function( result ) {
                if (result.code !== 0) {
                    alert('提交支付订单失败，原因：' + result.msg)
                    return;
                }
                //提交支付后返回的参数
                let data = resu