zuoye3.java

主要完成一些窗口的建立

/*
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/**
 *
 * @author Administrator
 */
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.*;
import java.awt.event.*;
public class ZuoYe3  extends JFrame implements ActionListener{
  JButton button;
   JTextArea text ;
   public ZuoYe3(){
  JPanel p1=new JPanel();
  JPanel p2=new JPanel();
  Container container= getContentPane();
   container.setLayout(new BorderLayout());
   p2.setLayout(new BorderLayout());
   p1.setLayout(new FlowLayout());
   p1.add(button=new JButton("Open file"));
   container.add(p1,BorderLayout.NORTH);
   container.add(text=new JTextArea(),BorderLayout.CENTER);
     button.addActionListener(this);
   }
      public void actionPerformed(ActionEvent e){
       if(e.getSource() == button){
       FileDialog d=new  FileDialog(new ZuoYe3()," FileDialog ");
       d.setVisible(true);
       String fiilename=d.getFile();
       text.append(d.getDirectory()+"\n");
       }

      }
        public static void main(String[] args){
        ZuoYe3 frame=new  ZuoYe3();
        frame.setTitle("example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(400,250);
        frame.setVisible(true);
}
}