B/S远程桌面

import javax.imageio.ImageIO;    
import java.awt.Rectangle;    
import java.awt.Robot;    
import java.awt.Toolkit;    
import java.awt.image.BufferedImage;    
import java.awt.Dimension;    
import javax.servlet.*;    
import javax.servlet.http.*;    
import java.io.*;    
import java.util.*;    
   
public class SnapShot    
    extends HttpServlet    
    implements SingleThreadModel {    
  private static final String CONTENT_TYPE = "image/jpeg";    
   
  //Initialize global variables    
  public void init() throws ServletException {    
  }    
   
  //Process the HTTP Get request    
  public void doGet(HttpServletRequest request, HttpServletResponse     
  response) throws ServletException, IOException {    
      //设置客户端的文件相应类型    
    response.setContentType(CONTENT_TYPE);    
   
    //获取屏幕的分辨率    
    Dimension d = Toolkit.getDefaultToolkit().getScreenSize();    
    try {    
   
      {BufferedImage screenshot = (new Robot()).createScreenCapture(new   
          Rectangle(0, 0, (int) d.getWidth(), (int) d.getHeight()));    
      String imageFormat = "jpg";    
   
      ServletOutputStream sos = response.getOutputStream();    
      //将图像数据流写入客户端    
      ImageIO.write(screenshot, imageFormat, sos);    
       sos.close();    
      response.flushBuffer();    
      }    
    }    
    catch (Exception ex) {    
    }    
   
  }    
   
  //Clean up resources    
  public void destroy() {    
  }    
}