解析支付宝支付回调数据

工作中的代码收藏

 private NotifyVO parseAliPayReq(HttpServletRequest request){
        // 构造传入参数
        Map<String, String> params = new HashMap<>();
        Map requestParams = request.getParameterMap();
        for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext(); ) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            // 乱码解决，这段代码在出现乱码时使用。如果mysign和sign不相等也可以使用这段代码转化
            try {
                valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            } catch (UnsupportedEncodingException e) {
                logger.info("parse alipay callback data encoding error", e);
                throw new PyRuntimeError("解析结果错误" , "解析结果错误 : " + valueStr);
            }
            params.put(name, valueStr);
        }
        logger.info("alipay支付回调："  + JSON.toJSONString(params));

        //写入reocrd
        NotifyVO notifyVO = new ObjectMapper().convertValue(params, NotifyVO.class);
        if (notifyVO != null) {
            if (notifyVO.getTrade_status().equals("TRADE_SUCCESS")) {
                notifyVO.setTrade_status("1");
            } else if(notifyVO.getTrade_status().equals("TRADE_CLOSED")){
                notifyVO.setTrade_status("0");
            }else{
                notifyVO.setTrade_status("-1");//TRADE_FINISHED , WAIT_BUYER_PAY 不进行处理
            }

            notifyVO.setDetail_json(JSON.toJSONString(params));
        }

        return notifyVO;
    }