Android HttpURLConnection

 URL url = new URL("www.baidu.com");
//  HttpURLConnection     
HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
//       ( ) 
InputStreamReader in = new InputStreamReader(urlConn.getInputStream());
//      BufferedReader 
BufferedReader buffer = new BufferedReader(in);
String inputLine = null;
//             
while (((inputLine = buffer.readLine()) != null)){
//            "
"    
resultData += inputLine + "
";
}
//  InputStreamReader 
in.close();
//  http   
urlConn.disconnect();

String httpUrl = "http://192.168.1.110:8080/httpget.jsp";
//      
String resultData = "";
URL url = null;
try {
//    URL   
url = new URL(httpUrl);
}
catch (MalformedURLException e){
Log.e(DEBUG_TAG, "MalformedURLException");
}
if (url != null){
try{
//   HttpURLConnection     
HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
//     post  ,       true 
urlConn.setDoOutput(true);
urlConn.setDoInput(true);
//    POST   
urlConn.setRequestMethod("POST");
// Post          
urlConn.setUseCaches(false);
urlConn.setInstanceFollowRedirects(true);
//        Content-type，   application/x-www-form-urlencoded  
urlConn.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
//   ， postUrl.openConnection()         connect    ， 
//      connection.getOutputStream      connect。 
urlConn.connect();
//DataOutputStream  
DataOutputStream out = new DataOutputStream(urlConn.getOutputStream());
//       
String content = "par=" + URLEncoder.encode("ABCDEFG", "gb2312");
//            
out.writeBytes(content);
//  、   
out.flush();
out.close();

//       
BufferedReader br = new BufferedReader(new InputStreamReader(urlConn.getinputstream())) 
string line = br.readline(); 
while(line != null){ 
 system.out.printli(line); 
 line = br.readline(); 
}