urlconnectiondemo.java

java scoket通信的源程序

import java.io.IOException;
import java.io.InputStream;
import java.net.*;
import java.util.Date;

public class URLConnectionDemo 
{
	public static void main(String[] args) 
	{
		try 
		{
			int n;
			//使用指定的URL："http://www.yahoo.com.cn"，来创建URL类对象url
			URL url = new URL("http://www.yahoo.com.cn");
			
			URLConnection urlConn = url.openConnection();
			InputStream in = urlConn.getInputStream();
			
			System.out.println("Date :"+new Date(urlConn.getDate()));
			
			System.out.println("ContentEncoding :"+urlConn.getContentEncoding());
			
			System.out.println("ContentType :"+urlConn.getContentType());
			
			System.out.println("ContentLength :"+urlConn.getContentLength());
			
			System.out.println("The content of \"http://www.yahoo.com.cn\" is:\n");
			while((n = in.read())!=-1)
			{
				char c = (char)n;
				System.out.print(c);
			}
		} 
		catch (MalformedURLException e) {e.printStackTrace();}
		catch (IOException e) {e.printStackTrace();}		
		
	}
}