java写的TCP局域网聊天系统

来源：互联网发布：c语言windows窗口程序编辑：程序博客网时间：2024/05/18 02:30

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import java.io.BufferedReader;
import java.io.PrintWriter;

import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

public class MyServer extends JFrame implements ActionListener, KeyListener {

/**
*
*/
private static final long serialVersionUID = 1L;
JPanel jp = null;
JTextArea jta = null;
JScrollPane jsp = null;
JTextField jtf = null;
JButton jb = null;
PrintWriter pw = null;

public static void main(String[] args) {
new MyServer();
}

public MyServer() {
//为文本域添加一个滚动条
jta = new JTextArea();
jsp = new JScrollPane(jta);

jtf = new JTextField(30);
jtf.addKeyListener(this);
jb = new JButton("发送");
jb.addActionListener(this);

jp = new JPanel();
jp.add(jtf);
jp.add(jb);

this.add(jsp, BorderLayout.CENTER);
this.add(jp, BorderLayout.SOUTH);
this.setSize(500, 400);
this.setTitle("服务端");

// 设置窗体居中
Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
this.setLocation((int) ((size.getWidth() - this.getWidth()) / 2),
(int) ((size.getHeight() - this.getHeight()) / 2));

this.setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

try {
ServerSocket ss = new ServerSocket(9999);
Socket s = ss.accept();

// 读取从客户端发来的信息
InputStreamReader isr = new InputStreamReader(s.getInputStream());
BufferedReader br = new BufferedReader(isr);

pw = new PrintWriter(s.getOutputStream(), true);
while (true) {
String info = br.readLine();
jta.append(info + "\n");
}

} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == jb) {
String info = jtf.getText();
pw.println("服务器：" + info);
jta.append("服务器：" + info + "\n");
jtf.setText("");
}

}

@Override
public void keyTyped(KeyEvent e) {

}

@Override
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
if (e.getKeyCode() == KeyEvent.VK_ENTER) {

String info = jtf.getText();
pw.println("服务器：" + info);
jta.append("服务器：" + info + "\n");
jtf.setText("");
}
}

@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub

}

}

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

public class MyClient extends JFrame implements ActionListener,KeyListener{

/**
*
*/
private static final long serialVersionUID = 1L;
JPanel jp=null;
JTextArea jta=null;
JScrollPane jsp=null;
JTextField jtf=null;
JButton jb=null;

PrintWriter pw=null;

public static void main(String[] args) {
new MyClient();
}

public MyClient(){


jta=new JTextArea();
jsp=new JScrollPane(jta);

jtf=new JTextField(30);
jtf.addKeyListener(this);
jb=new JButton("发送");
jb.addActionListener(this);

jp=new JPanel();
jp.add(jtf);
jp.add(jb);



this.add(jsp,BorderLayout.CENTER);
this.add(jp,BorderLayout.SOUTH);
this.setSize(500,400);
this.setTitle("客户端");



//设置窗体居中
Dimension size=Toolkit.getDefaultToolkit().getScreenSize();
this.setLocation((int)((size.getWidth()-this.getWidth())/2),(int)((size.getHeight()-this.getHeight())/2));

this.setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

try {
Socket s=new Socket("127.0.0.1",9999);

//读取从客户端发来的信息
InputStreamReader isr=new InputStreamReader(s.getInputStream());
BufferedReader br=new BufferedReader(isr);

pw=new PrintWriter(s.getOutputStream(),true);
while(true){
String info=br.readLine();
jta.append(info+"\n");
}

} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource()==jb){
String info=jtf.getText();
pw.println("客户端："+info);
jta.append("客户端："+info+"\n");
jtf.setText("");
}

}

@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub

}

@Override
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
if(e.getKeyCode()==KeyEvent.VK_ENTER){
String info=jtf.getText();
pw.println("客户端："+info);
jta.append("客户端："+info+"\n");
jtf.setText("");
}

}

@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub

}

}

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