swing program002(标签)

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;


public class jtabelpan {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
JPanel pan0=new JPanel();
JPanel pan1=new JPanel();
JPanel pan2=new JPanel();
JPanel pan3=new JPanel();
JLabel lab1=new JLabel("11111");
JLabel lab2=new JLabel("222222");
JLabel lab3=new JLabel("3333333");
Icon img1=new ImageIcon("icon/虎头.gif");
JLabel lab0=new JLabel(img1);
pan0.add(lab0);
pan1.add(lab1);
pan2.add(lab2);
pan3.add(lab3);




JFrame main=new JFrame("测试标签");
final JTabbedPane jtab=new JTabbedPane(JTabbedPane.TOP,JTabbedPane.SCROLL_TAB_LAYOUT);
jtab.addTab("当前用户", null, null);
jtab.addTab("系统管理", null, null);
jtab.addTab("业务管理", null, null);
jtab.addTab("销售记录", null, null);
jtab.setComponentAt(0, pan0);
jtab.setComponentAt(1, pan1);
jtab.setComponentAt(2, pan2);
jtab.setComponentAt(3, pan3);
jtab.setSelectedIndex(2);


/*jtab.addChangeListener(new ChangeListener(){

public void stateChanged(ChangeEvent e) {
// TODO Auto-generated method stub
if(jtab.getSelectedIndex()==1)
{jtab.setSelectedIndex(1);}

}});*/
main.add(jtab);
main.setBounds(200, 200, 600, 600);
main.setVisible(true);
main.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);


}

}