文档&博客

H5支付官方文档

接入步骤

1. 申请H5支付
2. 调用统一下单接口
3. 通过mweb_url唤起微信客户端支付
4. 服务端异步通知处理

常见异常

常见异常以及解决方案请参考博客-微信H5支付

代码示例

https://gitee.com/javen205/IJPay-Demo https://github.com/javen205/IJPay-Demo

Spring Boot版本Demo

    /**
     * 微信H5 支付
     * 注意：必须再web页面中发起支付且域名已添加到开发配置中
     */
    @RequestMapping(value ="/wapPay",method = {RequestMethod.POST,RequestMethod.GET})
    public void wapPay(HttpServletRequest request,HttpServletResponse response){
        String ip = IpKit.getRealIp(request);
        if (StrKit.isBlank(ip)) {
            ip = "127.0.0.1";
        }

        H5ScencInfo sceneInfo = new H5ScencInfo();

        H5 h5_info = new H5();
        h5_info.setType("Wap");
        //此域名必须在商户平台--"产品中心"--"开发配置"中添加


        h5_info.setWap_url("https://pay.qq.com");
        h5_info.setWap_name("腾讯充值");
        sceneInfo.setH5_info(h5_info);

        Map<String, String> params = WxPayApiConfigKit.getWxPayApiConfig()
                .setAttach("IJPay H5支付测试  -By Javen")
                .setBody("IJPay H5支付测试  -By Javen")
                .setSpbillCreateIp(ip)
                .setTotalFee("520")
                .setTradeType(TradeType.MWEB)
                .setNotifyUrl(notify_url)
                .setOutTradeNo(String.valueOf(System.currentTimeMillis()))
                .setSceneInfo(h5_info.toString())
                .build();

        String xmlResult = WxPayApi.pushOrder(false,params);
log.info(xmlResult);
        Map<String, String> result = PaymentKit.xmlToMap(xmlResult);

        String return_code = result.get("return_code");
        String return_msg = result.get("return_msg");
        if (!PaymentKit.codeIsOK(return_code)) {
            log.error("return_code>"+return_code+" return_msg>"+return_msg);
            throw new RuntimeException(return_msg);
        }
        String result_code = result.get("result_code");
        if (!PaymentKit.codeIsOK(result_code)) {
            log.error("result_code>"+result_code+" return_msg>"+return_msg);
            throw new RuntimeException(return_msg);
        }
        // 以下字段在return_code 和result_code都为SUCCESS的时候有返回


        String prepay_id = result.get("prepay_id");
        String mweb_url = result.get("mweb_url");

        log.info("prepay_id:"+prepay_id+" mweb_url:"+mweb_url);
        try {
            response.sendRedirect(mweb_url);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

Jfinal版本Demo

    /**
     * 微信H5 支付
     * 注意：必须再web页面中发起支付且域名已添加到开发配置中
     */
    public void wapPay(){
        String ip = IpKit.getRealIp(getRequest());
        if (StrKit.isBlank(ip)) {
            ip = "127.0.0.1";
        }

        H5ScencInfo sceneInfo = new H5ScencInfo();

        H5 h5_info = new H5();
        h5_info.setType("Wap");
        //此域名必须在商户平台--"产品中心"--"开发配置"中添加
        h5_info.setWap_url("https://pay.qq.com");
        h5_info.setWap_name("腾讯充值");
        sceneInfo.setH5_info(h5_info);

        Map<String, String> params = WxPayApiConfigKit.getWxPayApiConfig()
                .setAttach("IJPay H5支付测试  -By Javen")
                .setBody("IJPay H5支付测试  -By Javen")
                .setSpbillCreateIp(ip)
                .setTotalFee("520")
                .setTradeType(TradeType.MWEB)
                .setNotifyUrl(notify_url)
                .setOutTradeNo(String.valueOf(System.currentTimeMillis()))
                .setSceneInfo(h5_info.toString())
                .build();

        String xmlResult = WxPayApi.pushOrder(false,params);
log.info(xmlResult);
        Map<String, String> result = PaymentKit.xmlToMap(xmlResult);

        String return_code = result.get("return_code");
        String return_msg = result.get("return_msg");
        if (!PaymentKit.codeIsOK(return_code)) {
            ajax.addError(return_msg);
            renderJson(ajax);
            return;
        }
        String result_code = result.get("result_code");
        if (!PaymentKit.codeIsOK(result_code)) {
            ajax.addError(return_msg);
            renderJson(ajax);
            return;
        }
        // 以下字段在return_code 和result_code都为SUCCESS的时候有返回

        String prepay_id = result.get("prepay_id");
        String mweb_url = result.get("mweb_url");

        System.out.println("prepay_id:"+prepay_id+" mweb_url:"+mweb_url);
        redirect(mweb_url);
    }