在学习了android网络编程部分，“网络编程之url携带参数”时代码未报异常，但是无法得到服务器的响应
下面是代码部分，我是用真机跑的
private static final String TAG = "RequestTestActivity";
public  static  final String BASE_URL ="http://192.168.1.2:9102";
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_request_test);
}
public void getWithParams(View view){
    Map<String,String> params =new HashMap<>();
    params.put("keyword","这是关键的关键字Keyword");
    params.put("page","12");
    params.put("order","0");
    startRequest(params,"GET","/get/param");
}

public void postWithParams(View view) {
    Map<String,String> params = new HashMap<>();
    params.put("string","这是我提交的字符串");
    startRequest(params,"POST","/post/string");
}

private void startRequest(final Map<String,String> params,final String method,final String api) {
    new Thread(new Runnable() {
        @Override
        public void run() {
            BufferedReader bufferedReader = null;
            try {
                //组装参数
                StringBuilder sb = new StringBuilder();
                if(params != null && params.size() > 0) {
                    sb.append("?");
                    Iterator<Map.Entry<String,String>> iterator = params.entrySet().iterator();
                    while(iterator.hasNext()) {
                        Map.Entry<String,String> next = iterator.next();
                        sb.append(next.getKey());
                        sb.append("=");
                        sb.append(next.getValue());
                        if(iterator.hasNext()) {
                            sb.append("&");
                        }
                    }
                    Log.d(TAG,"sb result -- > " + sb.toString());

                }
                String params = sb.toString();
                URL url;
                if(params != null && params.length() > 0) {
                    url = new URL(BASE_URL + api + params);
                } else {
                    url = new URL(BASE_URL + api);
                }
                Log.d(TAG,"url -=-- > " + url.toString());
                HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
                httpURLConnection.setRequestMethod(method);
                httpURLConnection.setRequestProperty("Accept-Language","zh-CN,zh;q=0.9");
                httpURLConnection.setRequestProperty("Accept","*/*");
                httpURLConnection.connect();
                int responseCode = httpURLConnection.getResponseCode();
                Log.d(TAG,"result -- > " + responseCode);
                if(responseCode == HttpURLConnection.HTTP_OK) {
                    InputStream inputStream = httpURLConnection.getInputStream();
                    bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
                    String json = bufferedReader.readLine();
                    Log.d(TAG,"result -=-=- > " + json);
                }
            } catch(Exception e) {
                e.printStackTrace();
            } finally {
                if(bufferedReader != null) {
                    try {
                        bufferedReader.close();
                    } catch(IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        }
    }).start();
}