jpane1_如何用Java中的另一个JPanel替换两个JPanel之...

这是一个非常简单的示例,它应近似于您的描述.在左侧,我们有一个拥抱按钮可以切换右侧面板的内容.在右边,您有一个带有给定边框和标签的面板.当您按下按钮时,右侧的内容将与另一个面板交换.

import java.awt.BorderLayout;

import java.awt.CardLayout;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.BorderFactory;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.SwingUtilities;

public class TestCardLayout2 {

protected void initUI() {

JFrame frame = new JFrame();

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

JPanel leftPanel = new JPanel(new BorderLayout());

JLabel label = new JLabel("Left panel");

leftPanel.add(label, BorderLayout.NORTH);

JButton button = new JButton("Toggle right panel");

leftPanel.add(button);

frame.add(leftPanel, BorderLayout.WEST);

final CardLayout cardLayout = new CardLayout();

final JPanel rightPanel = new JPanel(cardLayout);

rightPanel.setPreferredSize(new Dimension(200, 500));

JPanel rightPanel1 = new JPanel(new FlowLayout(FlowLayout.LEFT));

rightPanel1.setBorder(BorderFactory.createLineBorder(Color.RED));

JPanel rightPanel2 = new JPanel(new FlowLayout(FlowLayout.RIGHT));

rightPanel2.setBorder(BorderFactory.createLineBorder(Color.BLUE));

JLabel label1 = new JLabel("Right panel 1 with a red border");

JLabel label2 = new JLabel("Right panel 2 with a blue borer");

rightPanel1.add(label1);

rightPanel2.add(label2);

rightPanel.add(rightPanel1, "panel1");

rightPanel.add(rightPanel2, "panel2");

frame.add(rightPanel, BorderLayout.EAST);

button.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

cardLayout.next(rightPanel);

}

});

frame.pack();

frame.setVisible(true);

}

public static void main(String[] args) {

SwingUtilities.invokeLater(new Runnable() {

@Override

public void run() {

new TestCardLayout2().initUI();

}

});

}

}