java聊天软件

import java.awt.BorderLayout;import java.awt.Frame;import java.awt.TextArea;import java.awt.TextField;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.io.DataInputStream;import java.io.DataOutputStream;import java.io.EOFException;import java.io.IOException;import java.net.Socket;import java.net.SocketException;import java.net.UnknownHostException;public class ChatClient extends Frame {DataOutputStream dos = null;DataInputStream dis = null;private boolean bConnection = false;Socket s = null; // 服务器连接对象private String userName = "潜水人员";private boolean hasUsername = false;TextField tfTxt = new TextField(); // 添加一个文本框TextArea taContent = new TextArea(); // 添加一个文件域public static void main(String[] args) {// TODO Auto-generated method stubnew ChatClient().launchFrame();}public void launchFrame() {this.setLocation(300, 400); // 设置窗体的位置this.setSize(300, 300); // 设置窗体的大小add(tfTxt, BorderLayout.SOUTH); // 往窗体中添加文本框 位置为窗体的确南方add(taContent, BorderLayout.NORTH); // 往窗体中添加文件域 位置为窗体的确北方pack(); // 自到调整窗体的位置taContent.setText("您的昵称：");this.addWindowListener(new WindowAdapter() {@Overridepublic void windowClosing(WindowEvent e) {disconnect(); // 释放资源System.exit(0); // 正常终止程序}});tfTxt.addActionListener(new TFlistener());this.setVisible(true);connect(); // 调用连接服务器的方法new Thread(new RecvThread()).start(); // 启动线程}// 连接服务器private void connect() {try {// s = new Socket("127.0.0.1", 8888);s = new Socket("192.168.0.5", 8888);dos = new DataOutputStream(s.getOutputStream());dis = new DataInputStream(s.getInputStream());System.out.println("content");bConnection = true;} catch (UnknownHostException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}/** * 释放资源 */public void disconnect() {try {dos.close();s.close();} catch (IOException e) {e.printStackTrace();}}// 添加一个程序响应事件private class TFlistener implements ActionListener {public void actionPerformed(ActionEvent e) {String str = tfTxt.getText().trim(); // 得到tfTxt文本框中的内容// taContent.setText(str); //设置taContent文件域中的内容tfTxt.setText(""); // 设置tfTxt文本框中的内容try {if (hasUsername == false) {userName = "".equals(str) ? userName : str;// dos.writeUTF(userName + "上线了!!!!!!");taContent.setText(taContent.getText() + userName + "/n");hasUsername = true;} else {dos.writeUTF("【" + userName + "】说:" + str);}dos.flush();// dos.close();} catch (IOException e1) {e1.printStackTrace();}}}private class RecvThread implements Runnable {public void run() {try {while (bConnection) {if (hasUsername == true) {String str = dis.readUTF();// System.out.println(str);taContent.setText(taContent.getText() + str + "/n");}}} catch (SocketException e) {System.out.println("退出了!byebye!");} catch (EOFException e) {System.out.println("推出了! bye!");} catch (IOException ex) {ex.printStackTrace();}}}} import java.io.*;import java.net.*;import java.util.*;public class ChatServer {boolean started = false;ServerSocket ss = null;List<Client> clients = new ArrayList<Client>();public static void main(String[] args) {ChatServer chatServer = new ChatServer();chatServer.start();}public void start() {try {ss = new ServerSocket(8888); // 8888表示的是端口名started = true;} catch (BindException ex) {System.out.println("端口使用中．．．．");System.out.println("请关掉相关程序！关重新运行服务器！");System.exit(0);} catch (IOException ex) {ex.printStackTrace();}try {while (started) {Socket s = ss.accept(); // 表示接收客戶端Client c = new Client(s);System.out.println("a Client contend!");new Thread(c).start();clients.add(c); // 把对象添加到集合中去// dis.close();}} catch (IOException e) {e.printStackTrace();} finally {try {ss.close();} catch (IOException e) {e.printStackTrace();}}}class Client implements Runnable {private Socket s; // 代表与客户端的连接private DataInputStream dis = null;private DataOutputStream dos = null;private boolean bConnection = false;public Client(Socket s) {this.s = s;try {dis = new DataInputStream(s.getInputStream());dos = new DataOutputStream(s.getOutputStream());bConnection = true;} catch (IOException e) {e.printStackTrace();}}public void send(String str) {try {dos.writeUTF(str);} catch (IOException es) {clients.remove(this);System.out.println("对方退出了!我从list里面去除了!");// es.printStackTrace();}}public void run() {try {while (bConnection) {String str = dis.readUTF();System.out.println(str);for (int i = 0; i < clients.size(); i++) {Client c = clients.get(i);c.send(str);}/* * for(Iterator<Client> it = * clients.iterator();it.hasNext();) { Client c = it.next(); * c.send(str); } *//* * Iterator<Client> it = clients.iterator(); * while(it.hasNext()) { Client c = it.next(); c.send(str); } */}} catch (EOFException e) {System.out.println("Client Closed");} catch (IOException e) {// e.printStackTrace();} finally {try {if (dis != null)dis.close();if (dos != null)dos.close();if (s != null)s.close();} catch (IOException e1) {e1.printStackTrace();}}}}}