spring里restTemplate向目的URL发送post请求

/**
 * 向目的URL发送post请求
 * @param url       目的url
 * @param userDTO    发送的参数
 * @return  ResultVO
 */
public static User sendPostRequest(String url, UserDTO userDTO,  String authorization ){
    RestTemplate restTemplate = new RestTemplate();
    HttpHeaders headers = new HttpHeaders();
    headers.add("Authorization", authorization);
    headers.add("FROM_IN", SecurityConstants.FROM_IN);

    headers.setContentType(MediaType.APPLICATION_JSON);
    HttpEntity<String> entity = new HttpEntity(JSONUtil.parseObj(userDTO), headers);
    ResponseEntity<JSONObject> response = restTemplate.postForEntity(url, entity, JSONObject.class);
    Object data = response.getBody().get("data");

    ConverterRegistry converterRegistry = ConverterRegistry.getInstance();
    User userInfo = converterRegistry.convert(User.class, data);

    return userInfo;
}