URL跟HttpURLConnection的使用（向服务器发送请求，然后返回J2SE版）

package com.test;
/**********************************************************************
* 很完整的Demo，可以用来参考：
*
*********************************************************************/

import java.beans.XMLDecoder;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class UrlTest {
public static void main(String[] args){
     String _url = "http://218.204.254.218:8080/richlifeApp/share/pc_getWholeCatalog";
     URL url = null;
     HttpURLConnection client=null;
    
     //向服务器发关请求：
     try {
         url = new URL(_url);
         client = (HttpURLConnection) url.openConnection();

         client.setRequestMethod("GET");

         client.setRequestProperty("pragma", "no-cache");
         client.setRequestProperty("Accept-Language", "UTF-8");
         client.setRequestProperty("Authorization","Basic MTU5ODkyMDI3NjM6U1QtMTQ2NzMtVVZUbTVMVVVRWlpOQUxkQVVrWlBGM21XbWdvcFhDVG5IUFEtMjBfXzE=");
         client.setDoOutput(true);
         client.setDoInput(true);
         client.connect();
         client.getOutputStream();
         OutputStream outStream = client.getOutputStream();

         PrintWriter out = new PrintWriter(outStream);
         out.print("<?xml version='1.0' encoding='UTF-8' "
            +"standalone='no' ?><getWholeCatalog "
            +"ownerMSISDN=\"15989202763\"/>");
         out.flush();
         out.close();
        

     } catch(Exception e) {
         e.printStackTrace();
     }
    
    
     //接收服务器的返回：
     BufferedReader in = null;
   try {
    in = new BufferedReader(new InputStreamReader(client
      .getInputStream()));

    String inputLine;
    while ((inputLine = in.readLine()) != null) {
     inputLine=new String(inputLine.getBytes("GBk"),"UTF-8");
     //inputLine=new String(inputLine.getBytes("UTF-8"),"GB2312");
    
     System.out.println(inputLine);
    }
   } catch (IOException e) {
    e.printStackTrace();
   }
  
   System.out.println("*****************************************");
  
   XMLDecoder d=null;
   try {
    try {
     d = new XMLDecoder(new BufferedInputStream(
                        new FileInputStream("XmlDecoderTest.xml")));
    } catch (IOException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   } catch (Exception e1) {
    // TODO Auto-generated catch block
    e1.printStackTrace();
   }
   Object result = d.readObject();
   d.close();
   System.out.println(result.toString());

    
    
    
}
}