object转对象
String jsonString = JSON.toJSONString(httpResponse.getData());
UserGoldInfoResDto userGoldInfoResDto =JSON.parseObject(jsonString, UserGoldInfoResDto.class);
String jsonString = JSON.toJSONString(httpResponse.getData());
UserGoldInfoResDto userGoldInfoResDto =JSON.parseObject(jsonString, UserGoldInfoResDto.class);