客户端图片无法加载
package SRC;
//RemoteConnection.java
import java.awt.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import java.io.*;
import java.net.*;
import javax.imageio.ImageIO;
import javax.swing.*;
public class RemoteConnection extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
public Socket client,X,Y;
public DataInputStream dataInputStream;
public DataOutputStream X_axisCoordinates,Y_axisCoordinates;
public JLabel Screen;
public Timer QuickSettingsForScreenIcons;
public String host;
public int port;
public Toolkit tk = Toolkit.getDefaultToolkit();
public Dimension screenSize = tk.getScreenSize();
public int Screen_W = screenSize.width;
public int Screen_H = screenSize.height;
public JScrollPane scrollpane;
public RemoteConnection(String host,int port) throws UnknownHostException, IOException {
super("来自 " + host + " 的屏幕");
getGraphicsConfiguration().getDevice().setFullScreenWindow(this);
Screen = new JLabel();
scrollpane = new JScrollPane(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
scrollpane.getViewport().add(Screen);
add(scrollpane);
addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
QuickSettingsForScreenIcons.stop();
try {
setVisible(false);
client.close();
} catch (IOException e2) {
JOptionPane.showMessageDialog(null,"A Java Exception has occurred","Error",JOptionPane.ERROR_MESSAGE);
e2.printStackTrace();
}
}
});
this.host = host;
this.port = port;
}
public void update() throws IOException {
client = new Socket(host,port);
//X = new Socket(host,5000);
//Y = new Socket(host,6000);
dataInputStream = new DataInputStream(client.getInputStream());
//double height = dataInputStream.readDouble();
//double width = dataInputStream.readDouble();
//X_axisCoordinates = new DataOutputStream(X.getOutputStream());
//Y_axisCoordinates = new DataOutputStream(Y.getOutputStream());
/*JLabel.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
try {
X_axisCoordinates.writeInt(e.getX());
Y_axisCoordinates.writeInt(e.getY());
} catch (Exception e1) {
JOptionPane.showMessageDialog(null,"A Java Exception has occurred","Error",JOptionPane.ERROR_MESSAGE);
e1.printStackTrace();
}
}
});*/
QuickSettingsForScreenIcons = new Timer(0,(e ->{
try {
int len = dataInputStream.readInt();
byte[] ImageData = new byte[len];
dataInputStream.readFully(ImageData);
ByteArrayInputStream in = new ByteArrayInputStream(ImageData);
BufferedImage OriginalImage = ImageIO.read(in);
Image ModifiedImage = OriginalImage.getScaledInstance(Screen_W,Screen_H,Image.SCALE_DEFAULT);
ImageIcon ICON = new ImageIcon(ModifiedImage);
Screen.setIcon(ICON);
Screen.updateUI();
Screen.repaint();
} catch (Exception e1) {
JOptionPane.showMessageDialog(null,"A Java Exception has occurred","Error",JOptionPane.ERROR_MESSAGE);
e1.printStackTrace();
QuickSettingsForScreenIcons.stop();
try {
client.close();
} catch (IOException e2) {
JOptionPane.showMessageDialog(null,"A Java Exception has occurred","Error",JOptionPane.ERROR_MESSAGE);
e2.printStackTrace();
}
}
}));
try {
QuickSettingsForScreenIcons.start();
} catch (Exception e2) {
client.close();
QuickSettingsForScreenIcons.stop();
JOptionPane.showMessageDialog(null,"A Java Exception has occurred","Error",JOptionPane.ERROR_MESSAGE);
e2.printStackTrace();
}
}
/*@SuppressWarnings("static-access")
public static void main(String[] args) throws UnknownHostException, IOException, AWTException {
Toolkit TK = Toolkit.getDefaultToolkit();
Dimension D = TK.getScreenSize();
Rectangle R = new Rectangle(D);
Robot rr = new Robot();
BufferedImage BI = rr.createScreenCapture(R);
RemoteConnection r = new RemoteConnection("20",12);
r.setVisible(true);
r.Screen.setIcon(new ImageIcon(BI));
}*/
}
package SRC;
//ModeSettings.java
import java.awt.*;
import javax.swing.*;
public class ModeSettings extends JFrame{
/**
*
*/
private static final long serialVersionUID = 1L;
public JOptionPane P = new JOptionPane(null, JOptionPane.INFORMATION_MESSAGE);
public ButtonGroup bp = new ButtonGroup();
public JRadioButton ScreenProjection = new JRadioButton("仅投屏");
public JRadioButton RemoteControl = new JRadioButton("远程控制");
public JButton Yes = new JButton("连接");
public JButton Cancellation = new JButton("返回上一步");
public JButton Exit = new JButton("退出");
public ModeSettings() {
super("模式设置");
Yes.addActionListener((e) ->{
if(ScreenProjection.isSelected() || RemoteControl.isSelected()) {
String IP = ClientMain.SI.ip.getText();
int PORT = Integer.parseInt(ClientMain.SI.port.getText());
ClientMain.MS.setVisible(false);
try {
ClientMain.RC = new RemoteConnection(IP,PORT);
ClientMain.RC.setVisible(true);
ClientMain.RC.update();
} catch (Exception e1) {
JOptionPane.showMessageDialog(null,"A Java Exception has occurred","Error",JOptionPane.ERROR_MESSAGE);
e1.printStackTrace();
System.exit(0);
}
}else {
JOptionPane.showMessageDialog(null,"请选择选项","警告",JOptionPane.WARNING_MESSAGE);
}
});
Cancellation.addActionListener((e) ->{
this.setVisible(false);
ClientMain.SI.setVisible(true);
});
Exit.addActionListener((e) ->{
System.exit(0);
});
bp.add(ScreenProjection);
bp.add(RemoteControl);
Object[] Options = {ScreenProjection,RemoteControl,Yes,Cancellation,Exit};
P.setMessage(Options);
setLayout(new FlowLayout(FlowLayout.LEFT));
add(P);
Toolkit kit = Toolkit.getDefaultToolkit();
Dimension screenSize = kit.getScreenSize();
int screenw = screenSize.width;
int screenh = screenSize.height;
setLocation((screenw - 300) / 2, (screenh - 200) / 2);
setSize(300,200);
}
}
package SRC;
//ClientMain.java
public class ClientMain {
static StartInterface SI = new StartInterface();
static ModeSettings MS = new ModeSettings();
static RemoteConnection RC;
public static void main(String[] args) {
SI.setVisible(true);
}
}
package SRC;
//StartInterface.java
import java.awt.*;
import java.util.regex.*;
import javax.swing.*;
public class StartInterface extends JFrame{
/**
*
*/
private static final long serialVersionUID = 1L;
public JOptionPane P = new JOptionPane(null, JOptionPane.INFORMATION_MESSAGE);
public JLabel RemoteLink = new JLabel("是否进行远程连接？");
public JLabel IP = new JLabel("IP : ");
public JTextField ip = new JTextField();
public JLabel Port = new JLabel("Port : ");
public JTextField port = new JTextField();
public JButton Link = new JButton("下一步");
public JButton Exit = new JButton("退出");
public StartInterface() {
super("远程连接");
Object[] Options = {RemoteLink,IP,ip,Port,port,Link,Exit};
P.setLayout(new GridLayout(3,2,5,5));
P.setMessage(Options);
setLayout(new FlowLayout(FlowLayout.LEFT));
add(P);
Link.addActionListener((e) -> {
if(port.getText() != null) {
if(IsTheDataLegal(ip.getText(),port.getText())) {
System.out.println(true);
ClientMain.SI.setVisible(false);
ClientMain.MS.setVisible(true);
}
}
});
Exit.addActionListener((e) -> {
System.exit(0);
});
Toolkit kit = Toolkit.getDefaultToolkit();
Dimension screenSize = kit.getScreenSize();
int screenw = screenSize.width;
int screenh = screenSize.height;
setLocation((screenw - 300) / 2, (screenh - 225) / 2);
setSize(300,225);
}
public static boolean IsTheDataLegal(String IP,String Port) {
String regex = "^((\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5]|[*])\\.){3}(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5]|[*])$";
Pattern p = Pattern.compile(regex);
Matcher m = p.matcher(IP);
if(m.find()){
try {
if(Pattern.compile("\\d{6}").matcher(Port).find() ||
Pattern.compile("\\d{5}").matcher(Port).find() ||
Pattern.compile("\\d{4}").matcher(Port).find()) {
int PORT = Integer.parseInt(Port);
if(PORT > 1024 && PORT < 49151) {
if(PORT == 5000 || PORT == 6000 || PORT == 7000 || PORT == 8000) {
JOptionPane.showMessageDialog(null,"请勿输入为5000,6000,7000,8000的Port值","警告",JOptionPane.WARNING_MESSAGE);
return false;
}else {
return true;
}
}else{
JOptionPane.showMessageDialog(null,"Port输入不合法","警告",JOptionPane.WARNING_MESSAGE);
return false;
}
}else {
JOptionPane.showMessageDialog(null,"Port输入不合法","警告",JOptionPane.WARNING_MESSAGE);
}
}catch(Exception e) {
e.printStackTrace();
return false;
}
}else{
JOptionPane.showMessageDialog(null,"IP输入不合法","警告",JOptionPane.WARNING_MESSAGE);
return false;
}
return false;
}
}
