java 切换不同的显示风格

简介

java 切换不同的显示风格

code

import java.awt.*;

import javax.swing.*;

public class ImageTest {
    public static void main(String[] args) {
        EventQueue.invokeLater(() -> {
            JFrame frame = new PlafFrame();
            frame.setTitle("ImageTest");
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.setVisible(true);
        });
        ;
    }
}

/*
 * @Author: your name
 * @Date: 2020-10-29 10:15:01
 * @LastEditTime: 2020-10-29 10:22:43
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: /java/PlafFrame.java
 */
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;

public class PlafFrame extends JFrame {
    private JPanel buttonPanel;

    public PlafFrame() {
        buttonPanel = new JPanel();

        UIManager.LookAndFeelInfo[] infos = UIManager.getInstalledLookAndFeels();
        for (UIManager.LookAndFeelInfo info : infos) {
            makeButton(info.getName(), info.getClassName());
        }
        add(buttonPanel);
        pack();
    }

    private void makeButton(String name, String className) {
        // add button to panel

        javax.swing.JButton button = new JButton(name);
        buttonPanel.add(button);

        // set button action

        button.addActionListener(event -> {
            try {
                UIManager.setLookAndFeel(className);
                SwingUtilities.updateComponentTreeUI(this);
                pack();
            } catch (Exception e) {
                e.printStackTrace();
            }
        });
    }
}

image