package com.test;

import java.awt.AWTException;

import java.awt.Dimension;

import java.awt.HeadlessException;

import java.awt.Rectangle;

import java.awt.Robot;

import java.awt.Toolkit;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

import javax.imageio.ImageIO;

public class MainRun {

    /**

     * @param args

     */

    public static void main(String[] args) {

        try {

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

            BufferedImage screenshot = (new Robot()).createScreenCapture(new Rectangle(0,

                    0,(int)dimension.getWidth(),(int)dimension.getHeight()));

            File file = new File("C:/screen.jpg");

            ImageIO.write(screenshot, "jpg", file);

        } catch (HeadlessException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (AWTException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (IOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

}

/**

     * 得到当前屏幕截图

     *

     * @param request

     * @param response

     */

    private void getScreenImg(HttpServletRequest request, HttpServletResponse response) throws Exception {

        Thread.sleep(3000);

        response.setContentType("image/jpg");

        ServletOutputStream sos = response.getOutputStream();

        // 禁止页面缓存

        response.setHeader("Pragma", "No-cache");

        response.setHeader("Cache-Control", "no-cache");

        response.setDateHeader("Expires", 0);

        // 创建内存图象并获得其图形上下文

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

        BufferedImage screenshot = (new Robot())

                .createScreenCapture(new Rectangle(0, 0, (int) dimension

                        .getWidth(), (int) dimension.getHeight()));

        // 将图像输出到客户端

        ByteArrayOutputStream bos = new ByteArrayOutputStream();

        ImageIO.write(screenshot, "jpg", bos);

        byte[] buf = bos.toByteArray();

        response.setContentLength(buf.length);

        sos.write(buf);

        bos.close();

        sos.close();

    }