项目咨询——用HttpClient查询电话号码归属地

**

第一种方法

**
public class MainActivity extends AppCompatActivity {
private EditText input;
private TextView info;

private final int UPDATE_UI = 1;

@SuppressLint(“HandlerLeak”) private Handler mHandler = new Handler() {
@Override public void handleMessage(Message msg) {
switch (msg.what) {
case UPDATE_UI:
info.setText(msg.obj.toString());
break;
}
}
};

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

input = findViewById(R.id.input);
info = findViewById(R.id.info);

findViewById(R.id.query).setOnClickListener(new View.OnClickListener() {
  @Override public void onClick(View v) {
    new Thread(
        new Runnable() {
          @Override public void run() {
            //在build.gradle中声明使用
            //添加依赖
            //getRequestData(input.getText().toString());
            postRequestData(input.getText().toString());
          }
        }
    ).start();
  }
});

}

private String url = “http://tcc.taobao.com/cc/json/mobile_tel_segment.htm”;

private void getRequestData(String phoneNum) {
//1 创建 HttpClient
HttpClient client = HttpClients.createDefault();

//HttpUriRequest
HttpGet get = new HttpGet(url + "?tel=" + phoneNum);

try {
  //shift f6 重构
  //执行请求
  HttpResponse response = client.execute(get);

  //获取结果
  int statusCode = response.getStatusLine().getStatusCode();
  if (statusCode == 200) {
    String result = EntityUtils.toString(response.getEntity());
    mHandler.sendMessage(mHandler.obtainMessage(UPDATE_UI, result));
  }
} catch (IOException e) {
  e.printStackTrace();
}

}

private void postRequestData(String phoneNum) {
try {
//创建HttpClient
HttpClient client = HttpClients.createDefault();

  //post请求
  HttpPost post = new HttpPost(url);

  // 构建请求参数
  List<NameValuePair> params = new ArrayList<>();
  params.add(new BasicNameValuePair("tel", phoneNum));

  //请求体    UrlEncodedFormEntity
  post.setEntity(new UrlEncodedFormEntity(params));

  //执行请求
  HttpResponse response = client.execute(post);

  //获取结果
  int statusCode = response.getStatusLine().getStatusCode();
  if (statusCode == 200) {
    //////////////////////////////////////////////////////////
    String result = EntityUtils.toString(response.getEntity());
    mHandler.sendMessage(mHandler.obtainMessage(UPDATE_UI, result));
  }
} catch (UnsupportedEncodingException e) {
  e.printStackTrace();
} catch (ClientProtocolException e) {
  e.printStackTrace();
} catch (IOException e) {
  e.printStackTrace();
}

}
}

**

第二种方法

**
public class DemoActivity extends AppCompatActivity {

private EditText input;
private TextView info;

private final int UPDATE_UI = 1;

@SuppressLint(“HandlerLeak”) private Handler mHandler = new Handler() {
@Override public void handleMessage(Message msg) {
switch (msg.what) {
case UPDATE_UI:
info.setText(msg.obj.toString());
break;
}
}
};

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

input = findViewById(R.id.input);
info = findViewById(R.id.info);

findViewById(R.id.query).setOnClickListener(new View.OnClickListener() {
  @Override public void onClick(View v) {
    new Thread(
        new Runnable() {
          @Override public void run() {
            //在build.gradle中声明使用
            //添加依赖
            requestData(input.getText().toString());
          }
        }
    ).start();
  }
});

}

private String url = “http://tcc.taobao.com/cc/json/mobile_tel_segment.htm”;

private void requestData(String phoneNum) {
try {
//请求配置：连接超时
RequestConfig requestConfig = RequestConfig
.custom()
.setConnectTimeout(5000)
.build();
//创建httpclient
//HttpClient client = HttpClients.createDefault();
CloseableHttpClient client = HttpClients
.custom()
.setDefaultRequestConfig(requestConfig)
.build();

  //构建请求对象
  HttpUriRequest request = RequestBuilder
      //请求方法
      .get()
      //.post()
      //请求url
      .setUri(url)
      //请求参数
      .addParameter("tel", phoneNum)
      .build();

  //执行一个请求
  HttpResponse response = client.execute(request);
  int statusCode = response.getStatusLine().getStatusCode();
  if (statusCode == 200) {
    String result = EntityUtils.toString(response.getEntity());
    mHandler.sendMessage(mHandler.obtainMessage(UPDATE_UI, result));
  }
} catch (IOException e) {
  e.printStackTrace();
}

}
}