ch8_e8_20.java

来自「清华的Java程序」· Java 代码 · 共 26 行

import java.awt.*; 
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

public class ch8_e8_20 extends JApplet implements ChangeListener
{
    JTabbedPane myJTabPane = new JTabbedPane();
    
    public void init()
    {
        myJTabPane.add("1",new JLabel("Frist Page"));
        myJTabPane.add("2",new JLabel("Second Page"));
        myJTabPane.addChangeListener(this);
        getContentPane().add("Center",myJTabPane);
    }
    public void stateChanged(ChangeEvent ce)
    {
        if(ce.getSource() == myJTabPane)
        {
            int i = ((JTabbedPane)ce.getSource()).getSelectedIndex();
            showStatus("你选择了第" + (i+1) + "页");
        }
    }
}