package image;import java.awt.Desktop;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 java.text.SimpleDateFormat;import java.util.Date; import javax.imageio.ImageIO;public class CaptureScreen {     public static void captureScreen(String fileName, String folder) throws Exception {         Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();        Rectangle screenRectangle = new Rectangle(screenSize);        Robot robot = new Robot();        BufferedImage image = robot.createScreenCapture(screenRectangle);        // 截图保存的路径         File screenFile = new File(fileName);            // 如果路径不存在,则创建          if (!screenFile.getParentFile().exists()) {              screenFile.getParentFile().mkdirs();          }         //判断文件是否存在，不存在就创建文件        if(!screenFile.exists()&& !screenFile .isDirectory()) {            screenFile.mkdir();        }                File f = new File(screenFile, folder);                ImageIO.write(image, "png", f);        //自动打开        /*if (Desktop.isDesktopSupported()                 && Desktop.getDesktop().isSupported(Desktop.Action.OPEN))                    Desktop.getDesktop().open(f);*/    }     public static void main(String[] args) {        Date dt=new Date();        SimpleDateFormat sdf=new SimpleDateFormat("yyyyMMdd");        SimpleDateFormat sdf1=new SimpleDateFormat("yyyyMMddHHmmss");        String data=sdf.format(dt);        String rd=sdf1.format(dt);        try {            captureScreen("F:\\image\\"+data,rd+".png");        } catch (Exception e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    } }