沙箱环境下可以直接下载沙箱环境的APP进行测试，authCode就是支付宝客户端付钱中条码下的一窜数字。APP下载-沙箱工具

如有疑问请发issues

IJPay 接口

详见条码支付中的IJPay接口

代码示例

https://github.com/Javen205/IJPay-Demo

    /**
     * 声波支付
     */
    public void tradeWavePay() {
        String authCode = getPara("auth_code");
        String subject = "Javen 支付宝声波支付测试";
        String totalAmount = "100";
        String notifyUrl = notify_domain + "/alipay/notify_url";

        AlipayTradePayModel model = new AlipayTradePayModel();
        model.setAuthCode(authCode);
        model.setSubject(subject);
        model.setTotalAmount(totalAmount);
        model.setOutTradeNo(StringUtils.getOutTradeNo());
        model.setScene("wave_code");
        try {
            String resultStr = AliPayApi.tradePay(model,notifyUrl);
            renderText(resultStr);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 声波支付
     */
    @RequestMapping(value ="/tradeWavePay")
    @ResponseBody
    public String tradeWavePay(@RequestParam("auth_code") String authCode) {
        String subject = "Javen 支付宝声波支付测试";
        String totalAmount = "100";
        String notifyUrl = aliPayBean.getDomain() + "/alipay/notify_url";

        AlipayTradePayModel model = new AlipayTradePayModel();
        model.setAuthCode(authCode);
        model.setSubject(subject);
        model.setTotalAmount(totalAmount);
        model.setOutTradeNo(StringUtils.getOutTradeNo());
        model.setScene("wave_code");
        try {
            return AliPayApi.tradePay(model,notifyUrl);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return  null;
    }