CARD LAYOUT 完全满足您的要求,
请参阅此示例链接
和下面的示例链接
您的问题案例的完美代码是
package panels.examples;
import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class MainFrame extends JFrame implements ActionListener
{
JPanel headerPanel;
JPanel bodyPanel;
JPanel panel1,panel2,panel3;
JButton button1,button2,button3;
Container con;
CardLayout clayout;
public MainFrame()
{
//con=getContentPane();
clayout=new CardLayout();
headerPanel=new JPanel();
bodyPanel=new JPanel(clayout);
button1=new JButton("button1");
button2=new JButton("button2");
button3=new JButton("button3");
//add three buttons to headerPanel
headerPanel.add(button1);
headerPanel.add(button2);
headerPanel.add(button3);
button1.addActionListener(this);
button2.addActionListener(this);
button3.addActionListener(this);
panel1=new JPanel();
panel1.add(new JLabel("Panel1"));
panel1.setBackground(Color.pink);
panel2=new JPanel();
panel2.add(new JLabel("Panel2"));
panel2.setBackground(Color.gray);
panel3=new JPanel();
panel3.add(new JLabel("Panel3"));
//add above three panels to bodyPanel
bodyPanel.add(panel1,"one");
bodyPanel.add(panel2,"two");
bodyPanel.add(panel3,"three");
setLayout(new BorderLayout());
setSize(600,450);
add(headerPanel,BorderLayout.NORTH);
add(bodyPanel,BorderLayout.CENTER);
// headerPanel.setBounds(0,0,600,100);
bodyPanel.setBounds(0,100, 600, 500);
setVisible(true);
}
public static void main(String args[])
{
new MainFrame();
}
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource()==button1)
{
clayout.show(bodyPanel, "one");
}
else if(e.getSource()==button2)
{
clayout.show(bodyPanel, "two");
}
else if(e.getSource()==button3)
{
clayout.show(bodyPanel, "three");
}
}
}
输出