e1314.java

java小程序

import java.awt.*;//Icon是在这个类中
import javax.swing.*;
import java.awt.event.*;
public class E1314 extends JFrame implements ActionListener
{
private Container c;
private JButton normButton=new JButton("一般按钮");
private JButton button;
private Icon image;
public E1314()
{
super("E1314.java:JButton 按钮测试");
image=new ImageIcon("gif-1000.gif");
button=new JButton("图片按钮",image);
c=getContentPane();
c.setLayout(new FlowLayout());
c.add(normButton);
c.add(button);
normButton.addActionListener(this);
button.addActionListener(this);
setSize(300,100);
setVisible(true);
}

public void actionPerformed(ActionEvent e)
{
if(e.getSource()==normButton)
JOptionPane.showMessageDialog(null,"您刚按的按钮是：一般按钮","Message",JOptionPane.WARNING_MESSAGE);
if(e.getSource()==button)
JOptionPane.showMessageDialog(null,"您刚按的按钮是：图片按钮","Message",JOptionPane.WARNING_MESSAGE);
}
public static void main(String args[])
{
E1314 app=new E1314();
app.addWindowListener(new MyWindowListener());
} 
}