Java实现远程桌面监控_JAVA_编程开发_程序员俱乐部

  java里面的Robot类可以完成截图的功能，借助于这点，我尝试着做了一个简陋的桌面监控程序，运行了下，感觉速度还可以，还有很大的优化空间的，比如用udp协议取代tcp等。代码也写的不是很优雅，只在娱乐了。
     实现原理其实很简单，在被监视者的机器上，运行一个线程，每隔一段时间就自动截图，并把截图压缩发送到指定的机器上；在监视机器上，也是运行一个线程，接收发送过来的图片包，解压，并绘制到当前的窗口上。这样就基本完成了。



Java代码 
1.public class Server extends Thread { 
2.    private Dimension screenSize; 
3.    private Rectangle rectangle; 
4.    private Robot robot; 
5. 
6.    public Server() { 
7.        screenSize = Toolkit.getDefaultToolkit().getScreenSize(); 
8.        rectangle = new Rectangle(screenSize);// 可以指定捕获屏幕区域 
9.        try { 
10.            robot = new Robot(); 
11.        } catch (Exception e) { 
12.            e.printStackTrace(); 
13.            System.out.println(e); 
14.        } 
15.    } 
16. 
17.    public void run() { 
18.        ZipOutputStream os = null; 
19.        Socket socket = null; 
20.        while (true) { 
21.            try { 
22.                socket = new Socket("192.168.1.100", 5001);// 连接远程IP 
23.                BufferedImage image = robot.createScreenCapture(rectangle);// 捕获制定屏幕矩形区域 
24.                os = new ZipOutputStream(socket.getOutputStream());// 加入压缩流 
25.                // os = new ZipOutputStream(new FileOutputStream("C:/1.zip")); 
26. 
27.                os.setLevel(9); 
28.                os.putNextEntry(new ZipEntry("test.jpg")); 
29.                JPEGCodec.createJPEGEncoder(os).encode(image);// 图像编码成JPEG 
30.                os.close(); 
31.                Thread.sleep(50);// 每秒20帧 
32.            } catch (Exception e) { 
33.                e.printStackTrace(); 
34.            } finally { 
35.                if (os != null) { 
36.                    try { 
37.                        os.close(); 
38.                    } catch (Exception ioe) { 
39.                    } 
40.                } 
41.                if (socket != null) { 
42.                    try { 
43.                        socket.close(); 
44.                    } catch (IOException e) { 
45.                    } 
46.                } 
47.            } 
48.        } 
49.    } 
50. 
51.    public static void main(String[] args) { 
52.        new Server().start(); 
53.    } 
54.} 




Java代码 
1.public class Client extends JFrame { 
2.    private static final long serialVersionUID = 1L; 
3.    Dimension screenSize; 
4. 
5.    public Client() { 
6.        super(); 
7.        screenSize = Toolkit.getDefaultToolkit().getScreenSize(); 
8.        this.setSize(800, 640); 
9.        Screen p = new Screen(); 
10.        Container c = this.getContentPane(); 
11.        c.setLayout(new BorderLayout()); 
12.        c.add(p, SwingConstants.CENTER); 
13.        new Thread(p).start(); 
14.        SwingUtilities.invokeLater(new Runnable(){ 
15.            public void run() { 
16.                setVisible(true); 
17.            }}); 
18.    } 
19. 
20.    public static void main(String[] args) { 
21.        new Client(); 
22.    } 
23. 
24.    class Screen extends JPanel implements Runnable { 
25. 
26.        private static final long serialVersionUID = 1L; 
27.        private Image cimage; 
28. 
29.        public void run() { 
30.            ServerSocket ss = null; 
31.            try { 
32.                ss = new ServerSocket(5001);// 探听5001端口的连接 
33.                while (true) { 
34.                    Socket s = null; 
35.                    try { 
36.                        s = ss.accept(); 
37.                        ZipInputStream zis = new ZipInputStream(s 
38.                                .getInputStream()); 
39.                        zis.getNextEntry(); 
40.                        cimage = ImageIO.read(zis);// 把ZIP流转换为图片 
41.                        repaint(); 
42.                    } catch (Exception e) { 
43.                        e.printStackTrace(); 
44.                    } finally { 
45.                        if (s != null) { 
46.                            try { 
47.                                s.close(); 
48.                            } catch (IOException e) { 
49.                                e.printStackTrace(); 
50.                            } 
51.                        } 
52.                    } 
53.                } 
54.            } catch (Exception e) { 
55.            } finally { 
56.                if (ss != null) { 
57.                    try { 
58.                        ss.close(); 
59.                    } catch (IOException e) { 
60.                        e.printStackTrace(); 
61.                    } 
62.                } 
63.            } 
64.        } 
65. 
66.        public Screen() { 
67.            super(); 
68.            this.setLayout(null); 
69.        } 
70. 
71.        public void paint(Graphics g) { 
72.            super.paint(g); 
73.            Graphics2D g2 = (Graphics2D) g; 
74.            g2.drawImage(cimage, 0, 0, null); 
75.        } 
76.    } 
77.}