java實現遠端桌面的執行個體代碼，java執行個體代碼

java實現遠端桌面的執行個體代碼，java執行個體代碼

java實現遠端桌面的執行個體代碼

控制端將滑鼠事件傳遞到服務端

服務端拿到滑鼠事件之後傳輸到用戶端

用戶端拿到滑鼠事件之後，通過robot類即可完成，並且截屏將圖片發給伺服器，伺服器再發給控制端

被我簡化之後得到

//先介紹一下robot類的簡單使用import java.awt.AWTException;import java.awt.Robot;import java.awt.event.InputEvent;/** * 使用robot * @author 啞元 * */public class RobotTest { public static void main(String[] args) throws AWTException {  Robot r = new Robot();  r.mouseMove(300, 500);//滑鼠移動  r.mousePress(InputEvent.BUTTON1_MASK ); //滑鼠按下  r.mouseRelease(InputEvent.BUTTON1_MASK);//滑鼠鬆開  r.keyPress((int)'A'); //鍵盤按下 (int)'A'表示將A轉換成鍵盤對應的key  r.keyRelease((int)'A'); //鍵盤鬆開 }}//螢幕抓取import java.awt.AWTException;import java.awt.Rectangle;import java.awt.Robot;import java.awt.image.BufferedImage;import javax.swing.ImageIcon;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.WindowConstants;/** * 抓取本地案頭圖片 * @author 啞元 * */public class ScreenTest { public static void main(String[] args) throws AWTException, InterruptedException {  Robot robot = new Robot();   JFrame jframe = new JFrame();  jframe.setSize(1200, 700);  JLabel label = new JLabel();  jframe.add(label);  //四個參數x y width height  jframe.setVisible(true);  jframe.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE );  //構建一個死迴圈動態截取  while(true){   BufferedImage image = robot.createScreenCapture(new Rectangle(0,0,1366,768));//截取螢幕   label.setIcon(new ImageIcon(image));   Thread.sleep(50);  }  }}

//遠端控制原理講解
//分為server端和client端，
//原本server端只作為轉寄，作為示範，就不寫轉寄
//也就是client端控制server端E
/**
* 這裡我採用的是，在client端也就是操控端，接收到server端發送過來的screen之後，然後發送滑鼠事件過去
* 然後再用robot處理
* 傳輸方式用socket+io即可處理
* 螢幕截取和圖片壓縮採用了robot的螢幕截取功能和jdk內建的圖片編碼器，將其轉換成一個位元組數組
* 發送給server端之後，robot通過io+socket可以直接拿到object對象，強制轉換成InputEvent(keyEvent和MouseEvent都繼承)之後
* 通過判斷event類型，分別處理即可，這裡在服務端需要用到兩個線程，一個是螢幕截取和發送給用戶端，一個是用來監聽用戶端
* 傳遞過來的事件
*/

//下面是具體實現代碼

//server主程import java.awt.AWTException;import java.awt.Event;import java.awt.Robot;import java.awt.event.InputEvent;import java.awt.event.KeyEvent;import java.awt.event.MouseEvent;import java.io.DataOutputStream;import java.io.IOException;import java.io.ObjectInputStream;import java.net.ServerSocket;import java.net.Socket;/** * 服務端 * @author 啞元 * */public class Server { public static void main(String[] args) throws IOException {  ServerSocket server = new ServerSocket(80);  System.out.println("伺服器已經正常啟動");  Socket socket = server.accept();//等待接收請求,阻塞方法  System.out.println("有用戶端串連");  DataOutputStream dos = new DataOutputStream(socket.getOutputStream());  //將用戶端與伺服器端連結的輸出資料流交個ImageThread處理  ImageThread imageThread = new ImageThread(dos);  new Thread(imageThread).start();  new Thread(new EventThread(new ObjectInputStream(socket.getInputStream()))).start(); }}/** * 用來處理接收過來的滑鼠事件或者鍵盤事件 */class EventThread implements Runnable{ private ObjectInputStream ois; private Robot robot; public EventThread(ObjectInputStream ois) {  this.ois = ois; } @Override public void run() {  try {   robot = new Robot();   while(true){    InputEvent event = (InputEvent)ois.readObject();//得知由用戶端傳遞過來的是一個object對象    actionEvent(event);//處理事件   }  } catch (AWTException e) {   e.printStackTrace();  } catch (ClassNotFoundException e) {   e.printStackTrace();  } catch (IOException e) {   e.printStackTrace();  }finally{   try {    ois.close();   } catch (IOException e) {    e.printStackTrace();   }  } } /**  * 事件處理，用來判斷事件類型，並用robot類執行  * @param event  */ public void actionEvent(InputEvent event){  System.out.println(event);  if(event instanceof KeyEvent){   KeyEvent e = (KeyEvent)event;   int type = e.getID();//拿到事件類型   if(type==Event.KEY_PRESS){    robot.keyPress(e.getKeyCode());   }else if(type == Event.KEY_RELEASE){    robot.keyRelease(e.getKeyCode());   }  }else if(event instanceof MouseEvent){   MouseEvent e = (MouseEvent)event;   int type = e.getID();   if(type == Event.MOUSE_MOVE){    robot.mouseMove(e.getX(),e.getY());   }else if(type == Event.MOUSE_DOWN){    robot.mousePress(getMouseKey(type));   }else if(type == Event.MOUSE_UP){    robot.mouseRelease(getMouseKey(type));   }else if(type == Event.MOUSE_DRAG){    robot.mouseMove(e.getX(), e.getY());//滑鼠拖動   }  } } /**  * 返回滑鼠的真正事件，滑鼠時間不能直接處理，需要進過轉換  * @return  */ public int getMouseKey(int button){  if(button == MouseEvent.BUTTON1){//滑鼠左鍵   return InputEvent.BUTTON1_MASK;  }else if(button == MouseEvent.BUTTON2){//滑鼠右鍵   return InputEvent.BUTTON2_MASK;  }else if(button == MouseEvent.BUTTON3){//滾輪   return InputEvent.BUTTON3_MASK;  }else{   return 0;  } }}//螢幕截取器和發送器，這裡需要拿到socket的out流import java.awt.AWTException;import java.awt.Dimension;import java.awt.Rectangle;import java.awt.Robot;import java.awt.Toolkit;import java.awt.image.BufferedImage;import java.io.ByteArrayOutputStream;import java.io.DataOutputStream;import java.io.IOException;import com.sun.image.codec.jpeg.*;/** * 用來將圖片資料發送 * @author 啞元 * */public class ImageThread implements Runnable{ DataOutputStream dos = null; //資料輸出資料流 public ImageThread(DataOutputStream dos){  this.dos = dos; } @Override public void run() {  try {   Robot robot = new Robot();   //截取整個螢幕   Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();   /*   int width = (int)dimension.getWidth();   int height = (int)dimension.getWidth();   Rectangle rec = new Rectangle(0,0,width,height);   */   Rectangle rec = new Rectangle(dimension);   BufferedImage image;   byte imageBytes[];   while(true){    image = robot.createScreenCapture(rec);    imageBytes = getImageBytes(image);    dos.writeInt(imageBytes.length);    dos.write(imageBytes);    dos.flush();    Thread.sleep(50); //線程睡眠   }  } catch (AWTException e) {   e.printStackTrace();  } catch (ImageFormatException e) {   e.printStackTrace();  } catch (IOException e) {   e.printStackTrace();  } catch (InterruptedException e) {   e.printStackTrace();  }finally{   try {    if(dos!= null) dos.close();   } catch (IOException e) {    e.printStackTrace();   }  } } /**  * 壓縮圖片  * @param 需要壓縮的圖片  * @return 壓縮後的byte數組  * @throws IOException   * @throws ImageFormatException   */ public byte[] getImageBytes(BufferedImage image) throws ImageFormatException, IOException{  ByteArrayOutputStream baos = new ByteArrayOutputStream();  //壓縮器壓縮，先拿到存放到byte輸出資料流中  JPEGImageEncoder jpegd = JPEGCodec.createJPEGEncoder(baos);  //將iamge壓縮  jpegd.encode(image);  //轉換成byte數組  return baos.toByteArray();  }}--------------------------------------------------------------------------------------//client端，用來接收creen圖片和發送滑鼠事件import java.awt.event.InputEvent;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.io.DataInputStream;import java.io.IOException;import java.io.ObjectOutputStream;import java.net.Socket;import java.net.UnknownHostException;import javax.swing.ImageIcon;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.WindowConstants;/** * 用戶端 * @author 啞元 * */public class Client { public static void main(String args[]) throws UnknownHostException, IOException{  Socket s = new Socket("127.0.0.1",80);  DataInputStream dis = new DataInputStream(s.getInputStream());  ObjectOutputStream oos = new ObjectOutputStream(s.getOutputStream());  ClientWindow cw = new ClientWindow(oos);  byte[] imageBytes;  while(true){   imageBytes = new byte[dis.readInt()]; //先拿到傳過來的數組長度   dis.readFully(imageBytes); //所有的資料存放到byte中   cw.repainImage(imageBytes);  } }}/** * 用戶端表單 * @author 啞元 * */class ClientWindow extends JFrame{ private ObjectOutputStream oos; private JLabel label; //重寫背景圖片方法 public void repainImage(byte [] imageBytes){  label.setIcon(new ImageIcon(imageBytes));  this.repaint(); } public ClientWindow(ObjectOutputStream oos){  this.oos = oos;  this.setTitle("遠端控制程式");  label = new JLabel();  JPanel p = new JPanel();  p.add(label);  JScrollPane scroll = new JScrollPane(p);//給p面板添加捲軸  this.add(scroll);  this.setSize(1024,768);  this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);  this.setVisible(true);  this.addKeyListener(new KeyListener() {   @Override   public void keyTyped(KeyEvent e) {    // TODO Auto-generated method stub   }   @Override   public void keyReleased(KeyEvent e) {    sendEvent(e);   }   @Override   public void keyPressed(KeyEvent e) {    sendEvent(e);   }  });  label.addMouseListener(new MouseListener() {   @Override   public void mouseReleased(MouseEvent e) {    sendEvent(e);   }   @Override   public void mousePressed(MouseEvent e) {    sendEvent(e);   }   @Override   public void mouseClicked(MouseEvent e) {    sendEvent(e);   }   @Override   public void mouseEntered(MouseEvent e) {    // TODO Auto-generated method stub   }   @Override   public void mouseExited(MouseEvent e) {    // TODO Auto-generated method stub   }  }); } public void sendEvent(InputEvent event){  try {   oos.writeObject(event);  } catch (IOException e) {   e.printStackTrace();  } }}

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