创建支付订单

编写UnionPayController方法

@PostMapping("/nativePayOrder")
@ApiOperation("native付款")
public R nativePayOrder(@RequestBody PayOrderForm form, @RequestHeader HashMap header) {
    ValidatorUtils.validateEntity(form);
    String token = header.get("token").toString();
    Long userId = Long.parseLong(jwtUtils.getClaimByToken(token).getSubject());
    int orderId = form.getOrderId();
    UserEntity user = new UserEntity();
    user.setUserId(userId);
    QueryWrapper wrapper = new QueryWrapper(user);
    long count = userService.count(wrapper);
    if (count == 0) {
        return R.error("用户不存在");
    }
    OrderEntity order = new OrderEntity();
    order.setUserId(userId.intValue());
    order.setId(orderId);
    order.setStatus(1);
    wrapper = new QueryWrapper(order);
    count = orderService.count(wrapper);
    if (count == 0) {
        return R.error("不是有效的订单");
    }
    //验证购物券是否有效
    //验证团购活动是否有效
    order = new OrderEntity();
    order.setId(orderId);
    wrapper = new QueryWrapper(order);
    order = orderService.getOne(wrapper);
    //向银联平台发出请求，创建支付订单
    String amount = order.getAmount().multiply(new BigDecimal("100")).intValue() + "";
    try {
        Map<String, String> requestData = new HashMap<String, String>();
        requestData.put("version", "5.0.0");    //版本号，全渠道默认值
        requestData.put("encoding", "UTF-8");  //字符集编码，可以使用UTF-8,GBK两种方式
        requestData.put("signMethod", "01"); //签名方法
        requestData.put("txnType", "01");     //交易类型 ，01：消费
        requestData.put("txnSubType", "01");  //交易子类型， 01：自助消费
        requestData.put("bizType", "000201"); //业务类型，B2C网关支付，手机wap支付
        requestData.put("channelType", "07"); //渠道类型；07：PC,平板  08：手机
        requestData.put("merId", mchId);      //商户号码，请改成自己申请的正式商户号或者open上注册得来的777测试商户号
        requestData.put("accessType", "0");   //接入类型，0：直连商户
        requestData.put("orderId", order.getCode());   //商户订单号
        //订单发送时间，取系统时间，格式为YYYYMMDDhhmmss，必须取当前时间，否则会报txnTime无效
        requestData.put("txnTime", new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()));
        requestData.put("currencyCode", "156");  //交易币种（境内商户一般是156 人民币）
        requestData.put("txnAmt", amount);  //交易金额，单位分，不要带小数点
        requestData.put("frontUrl", frontUrl);
        requestData.put("backUrl", backUrl);
        requestData.put("payTimeout", new SimpleDateFormat("yyyyMMddHHmmss").format(new Date().getTime() + 15 * 60 * 1000));
        Map<String, String> submitFromData = acpService.sign(requestData, "UTF-8");
        String requestFrontUrl = config.getFrontRequestUrl();
        //生成自动跳转的Html表单
        String htmlCode = AcpService.createAutoFormHtml(requestFrontUrl, submitFromData, "UTF-8");
        if (htmlCode!=null && htmlCode.length()>0) {
            order.setPaymentType(3);
            UpdateWrapper updateWrapper = new UpdateWrapper();
            updateWrapper.eq("id", order.getId());
            orderService.update(order, updateWrapper);
            String ip=header.get("ip").toString();
            Document doc=Jsoup.connect("http://ip.ws.126.net/ipquery?ip="+ip).get();
            String body=doc.body().text();
            ScriptEngine engine=new ScriptEngineManager().getEngineByExtension("js");
            String code="function getLocation(){";
            code+=body;
            code+=";return lo;}";
            engine.eval(code);
            String location=engine.eval("getLocation()").toString();
            PaymentLogEntity paymentLogEntity=new PaymentLogEntity();
            paymentLogEntity.setIp(ip);
            paymentLogEntity.setLocation(location);
            paymentLogEntity.setCode(order.getCode());
            paymentLogEntity.setAmount(order.getAmount());
            paymentLogEntity.setPaymentType(3);
            paymentLogService.save(paymentLogEntity);
            return R.ok().put("htmlCode", htmlCode);
        } else {
            return R.error("支付订单创建失败");
        }
    } catch (Exception e) {
        e.printStackTrace();
        return R.error("银联支付模块故障");
    }
}