解析微信支付回调数据

工作中的代码收藏

//解析方法
 private NotifyVO parseWechatPayReq(HttpServletRequest request){
        StringBuffer sb = new StringBuffer();
        String s;
        Map<String, String> m = Maps.newHashMap();
        Map<String, String> packageParams;
        Iterator it;

        //以下的逻辑过于繁琐，待之后优化
        try {
            InputStream inputStream = request.getInputStream();
            try (BufferedReader in = new BufferedReader(new InputStreamReader(inputStream, PayConstants.DEFAULT_ALIPAY_CHARSET))) {
                while ((s = in.readLine()) != null) {
                    sb.append(s);
                }
                in.close();
            }
            inputStream.close();
        }catch (Exception e){
            logger.error( "" , e);
            return null;
        }

        // sb.append("<xml><appid><![CDATA[wx781f4bed3533eae2]]></appid><bank_type><![CDATA[CFT]]></bank_type><cash_fee><![CDATA[1]]></cash_fee><fee_type><![CDATA[CNY]]></fee_type><<