java 如何实现全屏_如何做一个全屏的面板

不覆盖任务栏的方式

import   java.awt.*;

import   java.awt.event.ActionEvent;

import   java.awt.event.ActionListener;

import   javax.swing.JButton;

import   javax.swing.JFrame;

public   class   FullScreenTest2

{

public   static   void   main(String[]   args)

{

final   JFrame   f   =   new   JFrame("FullScreenTest");

final   JButton   btn   =   new   JButton("FullScreen");

btn.addActionListener(new   ActionListener()

{

public   void   actionPerformed(ActionEvent   e)

{

if   (btn.getText().equals("FullScreen"))   {

f.dispose();

f.setUndecorated(true);

Dimension   screenSize   =   Toolkit.getDefaultToolkit().getScreenSize();

Rectangle   bounds   =   new   Rectangle(screenSize);

Insets   insets   =   Toolkit.getDefaultToolkit().getScreenInsets(f.getGraphicsConfiguration());

bounds.x   +=   insets.left;

bounds.y   +=   insets.top;

bounds.width   -=   insets.left   +   insets.right;

bounds.height   -=   insets.top   +   insets.bottom;

f.setBounds(bounds);

f.setVisible(true);

btn.setText("NormalMode");

}

else   {

f.dispose();

f.setUndecorated(false);

f.pack();

f.setLocationRelativeTo(null);

f.setVisible(true);

btn.setText("FullScreen");

}

}

});

f.getContentPane().setLayout(new   FlowLayout());

f.getContentPane().add(btn);

f.pack();

f.setLocationRelativeTo(null);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

f.setVisible(true);

}

}

覆盖任务栏的方式

import   java.awt.FlowLayout;

import   java.awt.event.ActionEvent;

import   java.awt.event.ActionListener;

import   javax.swing.JButton;

import   javax.swing.JFrame;

public   class   FullScreenTest

{

public   static   void   main(String[]   args)

{

final   JFrame   f   =   new   JFrame("FullScreenTest");

final   JButton   btn   =   new   JButton("FullScreen");

btn.addActionListener(new   ActionListener()

{

public   void   actionPerformed(ActionEvent   e)

{

if   (btn.getText().equals("FullScreen"))   {

f.dispose();

f.setUndecorated(true);

f.getGraphicsConfiguration().getDevice().setFullScreenWindow(f);

f.setVisible(true);

btn.setText("NormalMode");

}

else   {

f.dispose();

f.setUndecorated(false);

f.getGraphicsConfiguration().getDevice().setFullScreenWindow(null);

f.setVisible(true);

btn.setText("FullScreen");

}

}

});

f.getContentPane().setLayout(new   FlowLayout());

f.getContentPane().add(btn);

f.pack();

f.setLocationRelativeTo(null);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

f.setVisible(true);

}

}