Java实现全屏的四种方式（四个例子）

FullScreenDemo.java：

package FullScreenDemo;

import java.awt.*;

import javax.swing.*;

/**
 * @author http://xp9802.iteye.com/
 * 2011-11-19下午04:40:38
 */
public class FullScreenDemo {

    public static void main(String[] args) {
        final JFrame jframe = new JFrame();
        JButton fullsButton = new JButton("全屏显示");
        JButton exitButton = new JButton("退出");
        exitButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                System.exit(1);
            }
        });
        fullsButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
                //通过调用GraphicsEnvironment的getDefaultScreenDevice方法获得当前的屏幕设备了
                GraphicsDevice gd = ge.getDefaultScreenDevice();
                // 全屏设置
                gd.setFullScreenWindow(jframe);
            }
        });
        jframe.add(fullsButton);
        jframe.add(exitButton);
        jframe.setLayout(new FlowLayout());
        jframe.setSize(400, 300);
        jframe.setVisible(true);
    }
}

FullScreenDemo1.java：

package FullScreenDemo;

import java.awt.FlowLayout;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.UIManager;

/**
 * @author http://xp9802.iteye.com/
 * 2011-11-19下午04:31:38
 */
public class FullScreenDemo1 {

    public static void main(String[] args) {
        JFrame jframe = new JFrame();
        JButton exitButton = new JButton("退出");
        exitButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                System.exit(1);
            }
        });
        jframe.add(exitButton);
        jframe.setLayout(new FlowLayout());
        jframe.setUndecorated(false);
        jframe.getGraphicsConfiguration().getDevice()
                .setFullScreenWindow(jframe);
        jframe.setVisible(true);
    }
}

FullScreenDemo2.java：

package FullScreenDemo;

import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Toolkit;

import javax.swing.JButton;
import javax.swing.JFrame;


/**
 * @author http://xp9802.iteye.com/
 * 2011-11-19下午04:32:38
 */
public class FullScreenDemo2 {
    public static void main(String[] args) {
        JFrame jframe = new JFrame();
        JButton exitButton = new JButton("退出");
        exitButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                System.exit(1);
            }
        });
        jframe.add(exitButton);
        jframe.setLayout(new FlowLayout());
        /**
         * true无边框 全屏显示
         * false有边框 全屏显示
         */
        jframe.setUndecorated(false);
        Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
        jframe.setSize(d.width, d.height);
        jframe.setVisible(true);
    }
}

FullScreenDemo3.java：

package FullScreenDemo;

import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Rectangle;
import java.awt.Toolkit;

import javax.swing.JButton;
import javax.swing.JFrame;

/**
 * @author http://xp9802.iteye.com/
 * 2011-11-19下午04:39:38
 */
public class FullScreenDemo3 {

    public static void main(String[] args) {
        JFrame jframe = new JFrame();
        JButton exitButton = new JButton("退出");
        exitButton.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {
                System.exit(1);
            }
        });
        jframe.add(exitButton);
        jframe.setLayout(new FlowLayout());
        /**
         * true无边框 全屏显示
         * false有边框 全屏显示
         */
        jframe.setUndecorated(false);
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Rectangle bounds = new Rectangle(screenSize);
        jframe.setBounds(bounds);
        jframe.setExtendedState(JFrame.MAXIMIZED_BOTH);
        jframe.setVisible(true);
    }
}