本文實例講述了java通過控制鼠標實現屏幕廣播的方法。分享給大家供大家參考。具體分析如下：
在前面一篇《java實現屏幕共享功能實例分析》中提到截取屏幕時是沒鼠標，為了看到教師端界面上的鼠標，可以在截取屏幕的時候，把鼠標繪制到每一張截圖上去，但是由于截圖的時候是一張張截取的，所以看到的鼠標難免會有點卡，之前寫了java鼠標操控小程序，可以通過這種方式來看到鼠標的演示。
實現的方式也挺簡單的，前面兩篇文章分別實現了鼠標控制和不帶鼠標的屏幕分享功能，把這兩個結合一下就ok了，下面簡單分析下。
服務端，將SendScreenImg和SendMouseMessage看作兩個工具類，分別監聽不同的端口，他們兩個都實現了Thread類，我們用線程池ExecutorService類控制他們。
使用了兩個端口，因為暫時還不知道該如何吧鼠標信息和圖片的信息一起發送，或許可以把圖片轉換成字節數組的形式，把鼠標的坐標放在數組前面，不過這樣的話鼠標可能也會不連貫，因為傳送鼠標坐標的速度會比傳圖片的要快一些，嗯，有空再試試。
客戶端類比上面就是了。
下面是代碼：
服務端：
主程序：
復制代碼代碼如下:
/*
* 屏幕廣播類，調用了兩個工具類：發送截屏信息的類和發送鼠標的信息類，利用了線程池。
*/
public class BroderCast {
public static void main(String[] args)
{
new BroderCast();
System.out.println("開始");
}
public BroderCast()
{
ExecutorService exector = Executors.newFixedThreadPool(2);
exector.execute(new SendScreenImg());
exector.execute(new SendMouseMessage());
}
}
* 屏幕廣播類，調用了兩個工具類：發送截屏信息的類和發送鼠標的信息類，利用了線程池。
*/
public class BroderCast {
public static void main(String[] args)
{
new BroderCast();
System.out.println("開始");
}
public BroderCast()
{
ExecutorService exector = Executors.newFixedThreadPool(2);
exector.execute(new SendScreenImg());
exector.execute(new SendMouseMessage());
}
}
發送截圖代碼：
復制代碼代碼如下:
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import javax.imageio.ImageIO;
/*
* 工具類：發送教師端截屏信息給學生端，沒有鼠標信息，使用了8002號端口
* 可以在發送的圖片上面組件繪制鼠標的信息，從而實現在學生端界面上見到鼠標信息，暫未實現該功能
*
*/
public class SendScreenImg extends Thread
{
public int serverPort=8002;
private ServerSocket serverSocket;
private Robot robot;
public Dimension screen;
public Rectangle rect ;
private Socket socket;
public static void main(String args[])
{
new SendScreenImg().start();
}
public void changeServerPort(int serverPort)
{
if(this.serverPort == serverPort) return ;
try{
this.serverSocket.close(); //有必要先關閉當前端口
this.serverPort = serverPort;
serverSocket = new ServerSocket(this.serverPort);
serverSocket.setSoTimeout(8000000);
}catch(Exception e){}
}
//構造方法 開啟套接字連接 機器人robot 獲取屏幕大小
public SendScreenImg()
{
try {
serverSocket = new ServerSocket(getServerPort());
serverSocket.setSoTimeout(864000000);
robot = new Robot();
} catch (Exception e) {
e.printStackTrace();
}
screen = Toolkit.getDefaultToolkit().getScreenSize(); //獲取主屏幕的大小
rect = new Rectangle(screen); //構造相應大小的矩形
}
@Override
public void run()
{
//實時等待接收截屏消息
while(true){
try {
socket = serverSocket.accept();
ZipOutputStream zip = new ZipOutputStream(new DataOutputStream(socket.getOutputStream()));
zip.setLevel(9); //設置壓縮級別
try{
BufferedImage img = robot.createScreenCapture(rect);
zip.putNextEntry(new ZipEntry("test.jpg"));
ImageIO.write(img, "jpg", zip);
if(zip!=null)zip.close();
System.out.println("學生端口已經連接");
} catch (IOException ioe) {
System.out.println("被控端：disconnect");
}
} catch (IOException ioe) {
System.out.println("連接出錯");
} finally {
if (socket != null) {
try {
socket.close();
} catch (IOException e) {
}
}
}
}
}
}
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import javax.imageio.ImageIO;
/*
* 工具類：發送教師端截屏信息給學生端，沒有鼠標信息，使用了8002號端口
* 可以在發送的圖片上面組件繪制鼠標的信息，從而實現在學生端界面上見到鼠標信息，暫未實現該功能
*
*/
public class SendScreenImg extends Thread
{
public int serverPort=8002;
private ServerSocket serverSocket;
private Robot robot;
public Dimension screen;
public Rectangle rect ;
private Socket socket;
public static void main(String args[])
{
new SendScreenImg().start();
}
public void changeServerPort(int serverPort)
{
if(this.serverPort == serverPort) return ;
try{
this.serverSocket.close(); //有必要先關閉當前端口
this.serverPort = serverPort;
serverSocket = new ServerSocket(this.serverPort);
serverSocket.setSoTimeout(8000000);
}catch(Exception e){}
}
//構造方法 開啟套接字連接 機器人robot 獲取屏幕大小
public SendScreenImg()
{
try {
serverSocket = new ServerSocket(getServerPort());
serverSocket.setSoTimeout(864000000);
robot = new Robot();
} catch (Exception e) {
e.printStackTrace();
}
screen = Toolkit.getDefaultToolkit().getScreenSize(); //獲取主屏幕的大小
rect = new Rectangle(screen); //構造相應大小的矩形
}
@Override
public void run()
{
//實時等待接收截屏消息
while(true){
try {
socket = serverSocket.accept();
ZipOutputStream zip = new ZipOutputStream(new DataOutputStream(socket.getOutputStream()));
zip.setLevel(9); //設置壓縮級別
try{
BufferedImage img = robot.createScreenCapture(rect);
zip.putNextEntry(new ZipEntry("test.jpg"));
ImageIO.write(img, "jpg", zip);
if(zip!=null)zip.close();
System.out.println("學生端口已經連接");
} catch (IOException ioe) {
System.out.println("被控端：disconnect");
}
} catch (IOException ioe) {
System.out.println("連接出錯");
} finally {
if (socket != null) {
try {
socket.close();
} catch (IOException e) {
}
}
}
}
}
}
發送鼠標信息：
復制代碼代碼如下:
/*
* 工具類：獲取鼠標的信息并且發送給學生端
*/
public class SendMouseMessage extends Thread{
private int OPERATE_PORT = 8001;
private ServerSocket server;
private Socket socket;
private String operateStr;
public static void main(String[] args)
{
new SendMouseMessage().start();
}
public SendMouseMessage(){
try {
server = new ServerSocket(OPERATE_PORT);
//JOptionPane.showMessageDialog(null, "已經開始監聽");
} catch (IOException e1) {
e1.printStackTrace();
}
}
//多線程 在無線的循環中監聽客戶端的
public void run()
{
while(true){
Point point = MouseInfo.getPointerInfo().getLocation(); //
operateStr ="Movemouse,"+point.x+","+point.y;
try {
socket = server.accept();
socket.setSoTimeout(1000000);
DataOutputStream output =new DataOutputStream(socket.getOutputStream());
output.write(operateStr.getBytes());
output.flush(); //刷行輸出流，并且使所有緩沖的輸出字節寫出
output.close(); //關閉輸出流且釋放資源
System.out.println("INFO： "+operateStr);
} catch (IOException e) {
System.out.println("已經停止連接");
break; //斷開連接的時候就停止無線循環
}
}
}
}
* 工具類：獲取鼠標的信息并且發送給學生端
*/
public class SendMouseMessage extends Thread{
private int OPERATE_PORT = 8001;
private ServerSocket server;
private Socket socket;
private String operateStr;
public static void main(String[] args)
{
new SendMouseMessage().start();
}
public SendMouseMessage(){
try {
server = new ServerSocket(OPERATE_PORT);
//JOptionPane.showMessageDialog(null, "已經開始監聽");
} catch (IOException e1) {
e1.printStackTrace();
}
}
//多線程 在無線的循環中監聽客戶端的
public void run()
{
while(true){
Point point = MouseInfo.getPointerInfo().getLocation(); //
operateStr ="Movemouse,"+point.x+","+point.y;
try {
socket = server.accept();
socket.setSoTimeout(1000000);
DataOutputStream output =new DataOutputStream(socket.getOutputStream());
output.write(operateStr.getBytes());
output.flush(); //刷行輸出流，并且使所有緩沖的輸出字節寫出
output.close(); //關閉輸出流且釋放資源
System.out.println("INFO： "+operateStr);
} catch (IOException e) {
System.out.println("已經停止連接");
break; //斷開連接的時候就停止無線循環
}
}
}
}
客戶端：
主程序：
復制代碼代碼如下:
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import com.Tool.OperateMouse;
import com.Tool.ReceiveImages;
public class ReceiveBroderCast {
public ExecutorService exector;
public static String IP="202.216.60.9";
public static void main(String[] args)
{
new ReceiveBroderCast(IP);
}
public ReceiveBroderCast(String IP) {
exector = Executors.newFixedThreadPool(2);
exector.execute(new ReceiveImages(IP));
exector.execute(new OperateMouse(IP));
}
}
import java.util.concurrent.Executors;
import com.Tool.OperateMouse;
import com.Tool.ReceiveImages;
public class ReceiveBroderCast {
public ExecutorService exector;
public static String IP="202.216.60.9";
public static void main(String[] args)
{
new ReceiveBroderCast(IP);
}
public ReceiveBroderCast(String IP) {
exector = Executors.newFixedThreadPool(2);
exector.execute(new ReceiveImages(IP));
exector.execute(new OperateMouse(IP));
}
}
接收截圖代碼：
復制代碼代碼如下:
/*
* ly 2014-11-20
* 該類用于接收教師端的屏幕信息，不包括鼠標
* 使用socket()
*/
public class ReceiveImages extends Thread{
public BorderInit frame ;
public Socket socket;
public String IP;
public static void main(String[] args){
new ReceiveImages("202.216.60.7").start();
}
public ReceiveImages(String IP)
{
frame=new BorderInit();
this.IP=IP;
}
public void run() {
while(frame.getFlag()){
System.out.println("已經連接"+(System.currentTimeMillis()/1000)%24%60+"秒");
try {
socket = new Socket(IP,8002);
DataInputStream ImgInput = new DataInputStream(socket.getInputStream());
ZipInputStream imgZip = new ZipInputStream(ImgInput);
Image img = null;
try{
imgZip.getNextEntry(); //到Zip文件流的開始處
img = ImageIO.read(imgZip); //按照字節讀取Zip圖片流里面的圖片
frame.jlbImg.setIcon(new ImageIcon(img));
frame.validate();
}catch (IOException e) {e.printStackTrace();}
try{
imgZip.close();
} catch (IOException e) {
System.out.println("連接斷開");
}
try {
TimeUnit.MILLISECONDS.sleep(50);// 接收圖片間隔時間
} catch (InterruptedException ie) {
ie.printStackTrace();
}
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
socket.close();
} catch (IOException e) {}
}
}
}
}
class BorderInit extends JFrame
{
private static final long serialVersionUID = 1L;
public JLabel jlbImg;
private boolean flag;
public boolean getFlag(){
return this.flag;
}
public BorderInit()
{
this.flag=true;
this.jlbImg = new JLabel();
this.setTitle("遠程監控--IP:" + "--主題:" );
this.setSize(400, 400);
//this.setUndecorated(true);
//this.setAlwaysOnTop(true); //始終在最前面
this.add(jlbImg);
this.setLocationRelativeTo(null);
this.setExtendedState(Frame.MAXIMIZED_BOTH);
this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
this.setVisible(true);
this.validate();
//窗口關閉事件
this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
flag=false;
BorderInit.this.dispose();
System.out.println("窗體關閉");
System.gc(); //垃圾回收
}
});
}
}
* ly 2014-11-20
* 該類用于接收教師端的屏幕信息，不包括鼠標
* 使用socket()
*/
public class ReceiveImages extends Thread{
public BorderInit frame ;
public Socket socket;
public String IP;
public static void main(String[] args){
new ReceiveImages("202.216.60.7").start();
}
public ReceiveImages(String IP)
{
frame=new BorderInit();
this.IP=IP;
}
public void run() {
while(frame.getFlag()){
System.out.println("已經連接"+(System.currentTimeMillis()/1000)%24%60+"秒");
try {
socket = new Socket(IP,8002);
DataInputStream ImgInput = new DataInputStream(socket.getInputStream());
ZipInputStream imgZip = new ZipInputStream(ImgInput);
Image img = null;
try{
imgZip.getNextEntry(); //到Zip文件流的開始處
img = ImageIO.read(imgZip); //按照字節讀取Zip圖片流里面的圖片
frame.jlbImg.setIcon(new ImageIcon(img));
frame.validate();
}catch (IOException e) {e.printStackTrace();}
try{
imgZip.close();
} catch (IOException e) {
System.out.println("連接斷開");
}
try {
TimeUnit.MILLISECONDS.sleep(50);// 接收圖片間隔時間
} catch (InterruptedException ie) {
ie.printStackTrace();
}
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
socket.close();
} catch (IOException e) {}
}
}
}
}
class BorderInit extends JFrame
{
private static final long serialVersionUID = 1L;
public JLabel jlbImg;
private boolean flag;
public boolean getFlag(){
return this.flag;
}
public BorderInit()
{
this.flag=true;
this.jlbImg = new JLabel();
this.setTitle("遠程監控--IP:" + "--主題:" );
this.setSize(400, 400);
//this.setUndecorated(true);
//this.setAlwaysOnTop(true); //始終在最前面
this.add(jlbImg);
this.setLocationRelativeTo(null);
this.setExtendedState(Frame.MAXIMIZED_BOTH);
this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
this.setVisible(true);
this.validate();
//窗口關閉事件
this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
flag=false;
BorderInit.this.dispose();
System.out.println("窗體關閉");
System.gc(); //垃圾回收
}
});
}
}
接收鼠標信息并控制鼠標移動：
復制代碼代碼如下:
import java.awt.AWTException;
import java.awt.Robot;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;
import javax.swing.JOptionPane;
/*
* 學生端 控制鼠標和教師端一致
* 該類 負責接收鼠標的信息 并且用robot.mouseMove()函數控制鼠標移動
*/
public class OperateMouse extends Thread{
public static void main(String[] args)
{
new OperateMouse("202.116.60.7").start();
}
private Socket socket;
public String IP;
private int OPERATE_PORT = 8001;
private Robot robot;
public OperateMouse(String IP)
{
this.IP = IP;
}
public void run() {
while(true){
try {
socket = new Socket(IP,OPERATE_PORT);
robot = new Robot();
//獲取鼠標移動的信息
DataInputStream dataIn = new DataInputStream(socket.getInputStream());
String info="";
int r;
while((r=dataIn.read()) != -1){
info +=""+(char)r; //把字節數組中所有元素都變為字符型
}
dataIn.close();
System.out.println("數據流斷開"+info);
if(info!=null){
String s[] = info.trim().split(",");
if("Movemouse".equals(s[0].trim()));
{
if (s.length == 3) {
int x = Integer.parseInt(s[1].trim());
int y = Integer.parseInt(s[2].trim());
System.out.println("輸出鼠標的信息"+x+" "+ y);
robot.mouseMove(x, y);
}
}
}
} catch (IOException e) {
System.out.println("已斷開連接");
break;
} catch (AWTException e) {
e.printStackTrace();
}
}
}
}
import java.awt.Robot;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;
import javax.swing.JOptionPane;
/*
* 學生端 控制鼠標和教師端一致
* 該類 負責接收鼠標的信息 并且用robot.mouseMove()函數控制鼠標移動
*/
public class OperateMouse extends Thread{
public static void main(String[] args)
{
new OperateMouse("202.116.60.7").start();
}
private Socket socket;
public String IP;
private int OPERATE_PORT = 8001;
private Robot robot;
public OperateMouse(String IP)
{
this.IP = IP;
}
public void run() {
while(true){
try {
socket = new Socket(IP,OPERATE_PORT);
robot = new Robot();
//獲取鼠標移動的信息
DataInputStream dataIn = new DataInputStream(socket.getInputStream());
String info="";
int r;
while((r=dataIn.read()) != -1){
info +=""+(char)r; //把字節數組中所有元素都變為字符型
}
dataIn.close();
System.out.println("數據流斷開"+info);
if(info!=null){
String s[] = info.trim().split(",");
if("Movemouse".equals(s[0].trim()));
{
if (s.length == 3) {
int x = Integer.parseInt(s[1].trim());
int y = Integer.parseInt(s[2].trim());
System.out.println("輸出鼠標的信息"+x+" "+ y);
robot.mouseMove(x, y);
}
}
}
} catch (IOException e) {
System.out.println("已斷開連接");
break;
} catch (AWTException e) {
e.printStackTrace();
}
}
}
}
希望本文所述對大家的Java程序設計有所幫助。
