复制代码 代码如下:

package com.hongyuan.gui;

import java.awt.EventQueue;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.SwingUtilities;

import javax.swing.UIManager;

import javax.swing.UnsupportedLookAndFeelException;

public class PlafTest {

public static void main(String[] args) {

EventQueue.invokeLater(new Runnable() {

@Override

public void run() {

PlafFrame frame=new PlafFrame();

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setVisible(true);

}

});

}

}

class PlafFrame extends JFrame

{

private JPanel buttonPanel;

public PlafFrame(){

this.setTitle("PlafTest");

this.setSize(400, 300);

buttonPanel=new JPanel();

//查询观感并生成按钮

UIManager.LookAndFeelInfo[] infos=UIManager.getInstalledLookAndFeels();

for(UIManager.LookAndFeelInfo info:infos){

makeButton(info.getName(),info.getClassName());

}

this.add(buttonPanel);

}

void makeButton(String name,final String plafName){

JButton button=new JButton(name);

buttonPanel.add(button);

button.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

try {

//设置观感并更新组件

UIManager.setLookAndFeel(plafName);

SwingUtilities.updateComponentTreeUI(PlafFrame.this);

} catch (ClassNotFoundException | InstantiationException

| IllegalAccessException

| UnsupportedLookAndFeelException e1) {

e1.printStackTrace();

}

}

});

}

}