我嘗試發(fā)送POST帶有這樣的正文的請(qǐng)求{  "method": "getAreas",  "methodProperties": {      "prop1" : "value1",      "prop2" : "value2",   }}這是我的代碼static final String HOST = "https://somehost.com";  public String sendPost(String method,      Map<String, String> methodProperties) throws ClientProtocolException, IOException {    HttpPost post = new HttpPost(HOST);    List<NameValuePair> urlParameters = new ArrayList<>();    urlParameters.add(new BasicNameValuePair("method", method));    List<NameValuePair> methodPropertiesList = methodProperties.entrySet().stream()                .map(entry -> new BasicNameValuePair(entry.getKey(), entry.getValue()))                .collect(Collectors.toList());    // ??? urlParameters.add(new BasicNameValuePair("methodProperties", methodPropertiesList));    post.setEntity(new UrlEncodedFormEntity(urlParameters));    try (CloseableHttpClient httpClient = HttpClients.createDefault();        CloseableHttpResponse response = httpClient.execute(post)) {      return EntityUtils.toString(response.getEntity());    }  }但 的構(gòu)造函數(shù)BasicNameValuePair適用(String, String)。所以我需要另一堂課。有什么辦法可以添加methodPropertiesList嗎urlParameters？