java截图插件_Java简单截屏小工具

import java.awt.AWTException;

import java.awt.Dimension;

import java.awt.Rectangle;

import java.awt.Robot;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

import javax.imageio.ImageIO;

import javax.swing.JButton;

import javax.swing.JDialog;

public class CaptureScreen

{

public static void captureScreen(String fileName)

{

System.out.println("file:"+fileName);

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

Rectangle screenRectangle = new Rectangle(screenSize);

try

{

Robot robot = new Robot();

BufferedImage image = robot.createScreenCapture(screenRectangle);

ImageIO.write(image, "png", new File(fileName));

} catch (AWTException | IOException ex)

{

System.out.println(ex.getMessage());

ex.printStackTrace();

}

}

public static void main(String[] args)

{

JDialog d = new JDialog();

d.setIconImage(null);

d.setSize(250, 150);

JButton btn = new JButton("点我截屏");

d.add(btn);

btn.addActionListener(new ActionListener()

{

@Override

public void actionPerformed(ActionEvent evt)

{

CaptureScreen.captureScreen("F:"+File.separator+System.currentTimeMillis()+".png");

}

});

d.setLocationRelativeTo(null);

d.setVisible(true);

}

}

import java.awt.AWTException; import java.awt.Dimension; import java.awt.Rectangle; import java.awt.Robot; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; import javax.swing.JButton; import javax.swing.JDialog; public class CaptureScreen { public static void captureScreen(String fileName) { System.out.println("file:"+fileName); Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); Rectangle screenRectangle = new Rectangle(screenSize); try { Robot robot = new Robot(); BufferedImage image = robot.createScreenCapture(screenRectangle); ImageIO.write(image, "png", new File(fileName)); } catch (AWTException | IOException ex) { System.out.println(ex.getMessage()); ex.printStackTrace(); } } public static void main(String[] args) { JDialog d = new JDialog(); d.setIconImage(null); d.setSize(250, 150); JButton btn = new JButton("点我截屏"); d.add(btn); btn.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent evt) { CaptureScreen.captureScreen("F:"+File.separator+System.currentTimeMillis()+".png"); } }); d.setLocationRelativeTo(null); d.setVisible(true); } }