android连服务端几种方式,Android连接服务器的五种方式

1. URL

public class MyURLActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

Thread thread = new Thread(new Runnable() {

@Override

public void run() {

URL url;

String temp;

StringBuffer sb = new StringBuffer();

try {

url = new URL("http://192.168.18.157?name=allen");// 根据自己的服务器地址填写

BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));// 获取输入流

while ((temp = in.readLine()) != null) {

sb.append(temp);

}

System.out.println(sb.toString());

in.close();

} catch (MalformedURLException me) {

System.err.println("你输入的URL格式有问题!");

me.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

});

thread.start();

}

}

2. HttpClient

public class MyHttpClientActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

Thread thread = new Thread(new Runnable() {

@Override

public void run() {

HttpClient client = new DefaultHttpClient();

HttpGet httpGet = new HttpGet("http://192.168.18.157?name=allen");// 根据自己的服务器地址填写

try {

HttpResponse response = client.execute(httpGet);

String temp;

StringBuffer sb = new StringBuffer();

BufferedReader in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));// 获取输入流

while ((temp = in.readLine()) != null) {

sb.append(temp);

}

System.out.println(sb.toString());

in.close();

} catch (ClientProtocolException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

});

thread.start();

}

}

3. HttpURLConnection

public class MyHttpURLConnectionActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

Thread thread = new Thread(new Runnable() {

@Override

public void run() {

BufferedReader bufferedReader = null;

try {

URL url = new URL("http://192.168.18.157");// 根据自己的服务器地址填写

HttpURLConnection conn = (HttpURLConnection) url.openConnection();

conn.setConnectTimeout(10000);

conn.setDoOutput(true);// 允许输出

conn.setRequestMethod("POST");

conn.setRequestProperty("Connection", "Keep-Alive");

conn.setRequestProperty("Charset", "GBK");

OutputStream os = conn.getOutputStream();

os.write("name=allen".getBytes());

if (conn.getResponseCode() == 200) {

System.out.println(conn.toString());

InputStream is = conn.getInputStream();

InputStreamReader isr = new InputStreamReader(is, "GBK");

bufferedReader = new BufferedReader(isr);

}

String result = "";

String line = "";

if (bufferedReader != null) {

try {

while ((line = bufferedReader.readLine()) != null) {

result += line;

}

} catch (IOException e) {

e.printStackTrace();

}

}

System.out.println(result);

} catch (MalformedURLException e) {

// URL格式错误

e.printStackTrace();

} catch (UnsupportedEncodingException e) {

// 不支持你设置的编码

e.printStackTrace();

} catch (ProtocolException e) {

// 请求方式不支持

e.printStackTrace();

} catch (IOException e) {

// 输入输出通讯出错

e.printStackTrace();

}

}

});

thread.start();

}

}

4. ksoap2

public class MyKsoap2Activity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

Thread thread = new Thread(new Runnable() {

@Override

public void run() {

String URL = "http://cjf780426.xicp.net:803/Demo/DEMO1/GBSvr.dll/soap/IGBSvr";

String NAMESPACE = "http://tempuri.org/";

SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);

envelope.dotNet = true;

HttpTransportSE ht = new HttpTransportSE(URL);

ht.debug = true;

String METHOD_NAME = "GBlogin";

String SOAP_ACTION = "urn:GBSvrIntf-IGBSvr#GBlogin";

SoapObject rpc = new SoapObject(NAMESPACE, METHOD_NAME);

rpc.addProperty("UserName", "AllenSTU");

rpc.addProperty("UserPWD", "AllenSTU");

envelope.bodyOut = rpc;

envelope.setOutputSoapObject(rpc);

try {

ht.call(SOAP_ACTION, envelope);

System.out.println((String) envelope.getResponse());

} catch (SoapFault e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (XmlPullParserException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

});

thread.start();

}

}

5. Apache接口

public class MainActivity extends Activity {

private TextView textView;

private Button get,post;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

textView = (TextView)findViewById(R.id.textView);

get = (Button)findViewById(R.id.get);

post = (Button)findViewById(R.id.post);

//绑定按钮监听器

get.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

//注意:此处ip不能用127.0.0.1或localhost,Android模拟器已将它自己作为了localhost

String uri = "http://192.168.22.28:8080/myapp/http.jsp?parameter=以Get方式发送请求";

textView.setText(get(uri));

}

});

//绑定按钮监听器

post.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

String uri = "http://192.168.22.28:8080/myapp/http.jsp";

textView.setText(post(uri));

}

});

}

/**

* 以get方式发送请求,访问web

* @param uri web地址

* @return 响应数据

*/

private static String get(String uri){

BufferedReader reader = null;

StringBuffer sb = null;

String result = "";

HttpClient client = new DefaultHttpClient();

HttpGet request = new HttpGet(uri);

try {

//发送请求,得到响应

HttpResponse response = client.execute(request);

//请求成功

if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK){

reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

sb = new StringBuffer();

String line = "";

String NL = System.getProperty("line.separator");

while((line = reader.readLine()) != null){

sb.append(line);

}

}

} catch (ClientProtocolException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

finally{

try {

if (null != reader){

reader.close();

reader = null;

}

} catch (IOException e) {

e.printStackTrace();

}

}

if (null != sb){

result = sb.toString();

}

return result;

}

/**

* 以post方式发送请求,访问web

* @param uri web地址

* @return 响应数据

*/

private static String post(String uri){

BufferedReader reader = null;

StringBuffer sb = null;

String result = "";

HttpClient client = new DefaultHttpClient();

HttpPost request = new HttpPost(uri);

//保存要传递的参数

List params = new ArrayList();

//添加参数

params.add(new BasicNameValuePair("parameter","以Post方式发送请求"));

try {

//设置字符集

HttpEntity entity = new UrlEncodedFormEntity(params,"utf-8");

//请求对象

request.setEntity(entity);

//发送请求

HttpResponse response = client.execute(request);

//请求成功

if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK){

System.out.println("post success");

reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

sb = new StringBuffer();

String line = "";

String NL = System.getProperty("line.separator");

while((line = reader.readLine()) != null){

sb.append(line);

}

}

} catch (ClientProtocolException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

finally{

try {

//关闭流

if (null != reader){

reader.close();

reader = null;

}

} catch (IOException e) {

e.printStackTrace();

}

}

if (null != sb){

result = sb.toString();

}

return result;

}

}