java 截屏

package com.glodon.util; import java.awt.Dimension;import java.awt.Rectangle;import java.awt.Robot;import java.awt.Toolkit;import java.awt.image.BufferedImage;import java.io.File; import javax.imageio.ImageIO;public class CaptureScreen {     public static void captureScreen(String fileName) throws Exception {         Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();        Rectangle screenRectangle = new Rectangle(screenSize);        Robot robot = new Robot();        BufferedImage image = robot.createScreenCapture(screenRectangle);        ImageIO.write(image, "png", new File(fileName));     }     public static void main(String[] args) {        try {            captureScreen("D:\\printScreen.png");        } catch (Exception e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }}