swing(三)----一个简单的聊天程序

服务器端代码:

package com.cw.threadtest;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.List;

public class ChatServer {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		ServerSocket ss=null;
		try {
			ss = new ServerSocket(9100);
		} catch (IOException e) {
			e.printStackTrace();
		}
		List list = new ArrayList();
		while(true){
			try {
				Socket s = ss.accept();
				list.add(s);
				Thread t = new ChatServerThread(s,list);
				t.start();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
	
}
class ChatServerThread extends Thread{
	Socket socket ;
	List list;
	BufferedReader in ;
	public ChatServerThread(Socket socket, List list) {
		super();
		this.socket = socket;
		this.list = list;
	}
	@Override
	public void run() {
		try {
			in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
			while(true){
				String text = in.readLine();
				if (text==null)break;
				for(int i=0;i<list.size();i++){
					Socket socket2 = (Socket) list.get(i);
					PrintWriter out = new PrintWriter(socket2.getOutputStream());
					out.println(text);
					out.flush();
				}
			}
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			list.remove(socket);
		}
	}
}

客户端

package com.cw.threadtest;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;

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

public class ChatClient {
	JFrame frame ;
	JTextField jtf ;
	JTextArea jta;
	BufferedReader in ;
	PrintWriter out;
	
	public ChatClient() {
		frame = new JFrame("");
		frame.setSize(300, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jtf = new JTextField();
		jta = new JTextArea();
		frame.add(jtf,"South");
		frame.add(new JScrollPane(jta));
		jta.setEditable(false);
		frame.setVisible(true);
		Socket s;
		try {
			s =new Socket("192.168.1.11",9100);
			out = new PrintWriter(s.getOutputStream());
			in = new BufferedReader(new InputStreamReader(s.getInputStream()));
			jtf.addActionListener(new ActionListener(){

				public void actionPerformed(ActionEvent arg0) {
					
					String text = jtf.getText();
					jtf.setText("");
					out.println(text);
					out.flush();
				}
				
				
			});
		} catch (UnknownHostException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	public void receiveText(){
		while(true){
			try {
				String text = in.readLine();
				jta.append(text+"\n");
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
	public static void main(String[] args) {
		ChatClient cc = new ChatClient();
		cc.receiveText();

	}

}