JSON格式的各种转换

        /**
         *JSON 格式的解析
         */
　　　　　　// json 去掉转义字符
            message = message.replaceAll("\\\\", "");
　　　　　　//转成String类型
            String jsonStr = message.substring(message.indexOf("[") + 1,
                    message.indexOf("]"));
　　　　　　//转成String类型的JSON格式
            jsonObject = JSONObject.fromObject(jsonStr);
　　　　　　//通过key进行取值
            String responseCode = jsonObject.getString("msg");

    mapRes.put("empNameAdd", empNameAdd);
            mapRes.put("deptNameAdd", deptNameAdd);

            mapRes.put("deptNo", deptNo);
            mapRes.put("loginName", loginName);
            mapRes.put("empId", empId);
//定义转成json数组,将map集合封装的数据放到json数组里,定义一个jsonObject,
//通过put方法,转给前台
                JSONArray ar = new JSONArray();
                ar.add(mapRes);
                JSONObject oj = new JSONObject();
                oj.put("memberInfo", ar);
                _result.setData(oj);

/**
**{
  "status": 0,
  "msg": "ok",
  "data": [
   "memberInfo":{
    {
      "deptNo": "103",
      "empNameAdd": "李俊",
      "empId": "50048",
      "loginName": "lj",
      "deptNameAdd": "上海健一网大药房连锁经营有限公司小世界药店"
    }
}
  ]
}
*/

    @RequestMapping("/insertFromStore")
    public void insertFromStore(
            HttpServletRequest request,
            HttpServletResponse response){
        StringBuffer json = new StringBuffer();
        String line = null;
        String orderMsg = "";
        try {
            BufferedReader reader = request.getReader();
            while((line = reader.readLine()) != null) {
                json.append(line);
            }
            orderMsg = json.toString();
        }
        catch(Exception e) {
            logger.error(e);
        }
        if (StringUtil.isEmpty(orderMsg)){
                this.setResultInfo("-1", "params error!").write(request, response);
                return;
        }
        com.alibaba.fastjson.JSONObject jsonObject = null;

        try {
//把String类型的json串转成Json Object对象
            jsonObject = com.alibaba.fastjson.JSONObject.parseObject(orderMsg);
        } catch (Exception e) {
            this.setResultInfo("-1", "params error!").write(request, response);
            return;
        }

        //门店渠道id
        int storeMutilId = 46;
//各种取值
        String mTel = jsonObject.getString("mTel");
        String tranid = jsonObject.getString("tranid");
//取值,拿到json数组
        com.alibaba.fastjson.JSONArray artiitem = jsonObject.getJSONArray("artiitem");
        String tranDate = jsonObject.getString("tranDate");
        String discount = jsonObject.getString("discount");
        String deptName = jsonObject.getString("deptName");
        String sumSaleAmt = jsonObject.getString("sumSaleAmt");

        if(StringUtil.isEmpty(mTel)||StringUtil.isEmpty(tranid)||StringUtil.isEmpty(tranDate)||StringUtil.isEmpty
                (discount)||StringUtil.isEmpty(deptName)||StringUtil.isEmpty(sumSaleAmt)){
            this.setResultInfo("-1", "params error!").write(request, response);
            return;
        }

        List<OrderItem> itemList = new ArrayList<OrderItem>();

        //订单详情信息

//遍历json数组,取值,赋值
        for (Object o : artiitem) {
            OrderItem item = new OrderItem();
//转成String类型Json
            String jsonStr = com.alibaba.fastjson.JSONObject.toJSONString(o);
//转成json格式
            com.alibaba.fastjson.JSONObject itemJson = com.alibaba.fastjson.JSONObject.parseObject(jsonStr);
            String artiCode = itemJson.getString("artiCode");
            String artiQty = itemJson.getString("artiQty");
            String saleAmt = itemJson.getString("saleAmt");
            String salePrice = itemJson.getString("salePrice");

            if(StringUtil.isEmpty(artiCode)||StringUtil.isEmpty(artiQty)||StringUtil.isEmpty(saleAmt)||StringUtil
                    .isEmpty(salePrice)){
                this.setResultInfo("-1", "params error!").write(request, response);
                return;
            }

            if(new BigDecimal(saleAmt).compareTo(new BigDecimal(salePrice).multiply(new BigDecimal(artiQty))) != 0){
                this.setResultInfo("3", "单品金额校验失败").write(request, response);
                return;
            }

            item.setGoodsNo(artiCode);
            item.setGoodsPrice(new BigDecimal(salePrice));
            item.setGoodsAmount(new BigDecimal(artiQty));
            item.setGoodsSumFee(new BigDecimal(saleAmt));
            itemList.add(item);
        }

        //订单信息
        OrderInfo orderInfo = new OrderInfo();
        orderInfo.setMemberMobile(mTel);
        orderInfo.setMultiChannelId(storeMutilId);
        orderInfo.setMultiChannelOrderId(Long.valueOf(tranid));
        orderInfo.setOtherDiscounts(new BigDecimal(discount));
        orderInfo.setFinishTime(tranDate);
        orderInfo.setOrderFee(new BigDecimal(sumSaleAmt));
        ServiceMessage<String> insertResult= null;
        String resultMsg = ResultMsg.Common.OK;
        try {
             insertResult= orderInfoService.insertOrderInfoFromStore(orderInfo,itemList,deptName);
             resultMsg = insertResult.getMessage();
        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
            resultMsg = ResultMsg.OrderActionMsg.INSERT_STORE_FAILURE;
        } finally {
            this.setResult(insertResult,
                    resultMsg).write(request,
                    response);
        }
    }