download.java~1~

孙鑫讲解的java教程ppt 有益于java的学习

package lesson10;

import java.net.*;
import javax.swing.*;
import java.awt.event.*;
public class Download
{
  public static void main(String[] args)
  {
    JFrame jf=new JFrame("维新下载程序");
    jf.setSize(600,400);
    jf.setLocation(100,100);
    JPanel p=new JPanel();
    JLabel l=new JLabel("Please input URL:");
    JTextField tf=new JTextField(30);
    p.add(l);
    p.add(tf);
    jf.getContentPane().add(p,"North");
    JTextArea ta=new JTextArea();
    jf.getContentPane().add(ta,"Center");
    JButton btn=new JButton("Download");
    jf.getContentPane().add(btn,"South");
    jf.addWindowListener(new WindowAdapter() {
         public void windowClosing(WindowEvent e) {
           System.exit(0);
         }
       });
    jf.show();
  }
}