Java网络屏幕监控(把客户端屏幕截图实时发送到主机端)

import javax.swing.*; import java.awt.*; import java.awt.image.*; import com.sun.image.codec.jpeg.*; import java.io.*; import java.net.ServerSocket; import java.net.Socket; @SuppressWarnings("serial") // 播放屏幕录像 public class WnetWScreenRecordPlayer extends JFrame { BorderLayout borderLayout1 = new BorderLayout(); Dimension screenSize; public WnetWScreenRecordPlayer() { super(); screenSize = Toolkit.getDefaultToolkit().getScreenSize(); this.setSize(screenSize); Screen p = new Screen(); //Screen 是一个内部类 Container c = this.getContentPane(); c.setLayout(borderLayout1); c.add(p, "Center"); new Thread(p).start(); this.setVisible(true); } public static void main(String[] args) { new WnetWScreenRecordPlayer(); } class Screen extends JPanel implements Runnable{ private BorderLayout borderLayout1 = new BorderLayout(); private Image cimage; ServerSocket ss; Socket s; public void run(){ try { recive(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); System.out.println("run().........."); } } public Image loadImage(String name) { Toolkit tk = Toolkit.getDefaultToolkit(); Image image = null; image = tk.getImage("C:\\record2\\" + name); MediaTracker mt = new MediaTracker(this); mt.addImage(image, 0); try { mt.waitForID(0); }catch (Exception e) { e.printStackTrace(); System.out.println(e); } return image; } public Screen() { super(); this.setLayout(null); reciveServer(); } public void paint(Graphics g){ super.paint(g); Graphics2D g2 = (Graphics2D) g; g2.drawImage(cimage, 0, 0, null); } public void recive()throws Exception{ long i = 0; while(true){ s = ss.accept(); File file=new File("C:\\record2\\"+i+".png"); file.createNewFile(); RandomAccessFile raf=new RandomAccessFile(file,"rw"); InputStream netIn=s.getInputStream(); InputStream in=new DataInputStream(new BufferedInputStream(netIn)); //创建缓冲区缓冲网络数据 byte[] buf=new byte[2048]; int num=in.read(buf); while(num!=(-1)){//是否读完所有数据 raf.write(buf,0,num);//将数据写往文件 raf.skipBytes(num);//顺序写文件字节 num=in.read(buf);//继续从网络中读取文件 } in.close(); raf.close(); cimage = loadImage(i + ".png"); i++; repaint(); Thread.sleep(100);//与录像时每秒帧数一致 } } public void reciveServer(){ try { ss=new ServerSocket(3011); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } }