json 转有序map
LinkedHashMap<String, Object> dataMap = JSONObject.parseObject(String.valueOf(kjdataMap.get("DATAS")), new TypeReference<LinkedHashMap<String, Object>>() { });
LinkedHashMap<String, Object> dataMap = JSONObject.parseObject(String.valueOf(kjdataMap.get("DATAS")), new TypeReference<LinkedHashMap<String, Object>>() { });