?? example5_4.java.bak
字號:
/* 帶有圖標的按鈕和標簽 */
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class Lbwindow extends JFrame implements ActionListener
{
JButton jbtn;
JLabel jlb;
Lbwindow()
{ super("有圖標的按鈕和標簽");
setSize(300,200);setVisible(true);
Container con=getContentPane();
con.setLayout(new FlowLayout());
Icon icon1=new ImageIcon("s1.jpg");
Icon icon2=new ImageIcon("s2.jpg");
Icon icon3=new ImageIcon("s3.jpg");
jbtn=new JButton("我是按鈕",icon1);
jbtn.setRolloverIcon(icon2);
jlb=new JLabel("我是標簽",icon3,SwingConstants.CENTER);
jlb.setToolTipText("QQ頭像");
con.add(jbtn);
con.add(jlb);
jbtn.addActionListener(this);
addWindowListener(new WindowAdapter()
{public void windowClosing(WindowEvent e)
{System.exit(0);}});
}
public void actionPerformed(ActionEvent e)
{
Frame intf=new Frame("彈出窗體");
intf.setSize(60,60);
intf.setVisible(true);
}
}
public class Example5_4
{ public static void main(String args[])
{ Lbwindow win=new Lbwindow();
win.pack();
}
}
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