要JAVA聊天程序代码，急用

import java.io.InputStream;

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import java.io.DataInputStream;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.io.DataOutputStream;

import java.io.BufferedReader;

import java点虐 .ServerSocket;

import java点虐 .Socket;

import java.io.IOException;

import java.util.Date;

class Server

{

public Server()

{

try

{

ServerSocket s=new ServerSocket(8888);

Socket ss=s.accept();

OutputStream out=ss.getOutputStream();

DataOutputStream dout=new DataOutputStream(out);

InputStream in=ss.getInputStream();

DataInputStream din=new DataInputStream(in);

System.out.print(din.readUTF()+"!");

dout.writeUTF("你已经连接到服务器"+"\t"+"你的地址："+ss.getInetAddress()+"\t"

+"你的链接端口："+ss.getLocalPort()+"\n");

new ReadMessage(din).start();

new SendMessage(dout).start();

}

catch (IOException e)

{

e.printStackTrace();

}

}

public static void main(String[] args)

{

new Server();

}

}

//接受客户端信息

class ReadMessage extends Thread

{

private DataInputStream din;

public ReadMessage(DataInputStream din)

{

this.din=din;

}

public void run()

{

String str;

try

{

while (true)

{

str=din.readUTF();

System.out.println(new Date().toLocaleString()+"客户端说："+str);

if (str.equals("bye"))

{

System.out.println("客户端下线！");

break;

}

}

}

catch (IOException e)

{

e.printStackTrace();

}

}

}

// 发出服务器信息

class SendMessage extends Thread

{

private DataOutputStream dout;

public SendMessage(DataOutputStream dout)

{

this.dout=dout;

}

public void run()

{

InputStreamReader inr=new InputStreamReader(System.in);

BufferedReader buf=new BufferedReader(inr);

String str;

try

{

while(true)

{

str=buf.readLine();

dout.writeUTF(str);

if (str.equals("bye"))

{

System.out.println("服务器退出！");

System.exit(1);

}

}

}

catch (IOException e)

{

e.printStackTrace();

}

}

}

import java.io.InputStream;

import java.io.DataInputStream;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.io.DataOutputStream;

import java.io.BufferedReader;

import java点虐 .Socket;

import java.io.IOException;

import java.util.Date;

class Client

{

public Client()

{

try

{

Socket s=new Socket("192.168.1.2",8888);

InputStream in=s.getInputStream();

DataInputStream din=new DataInputStream(in);

OutputStream out=s.getOutputStream();

DataOutputStream dout=new DataOutputStream(out);

dout.writeUTF("服务器你好！我是客户端");

System.out.println(din.readUTF());

new Thread(new SenderMessage(dout)).start();

new Thread(new ReaderMessage(din)).start();

}

catch (IOException e)

{

e.printStackTrace();

}

}

public static void main(String[] args)

{

new Client();

}

}

class ReaderMessage implements Runnable

{

private DataInputStream din;

public ReaderMessage(DataInputStream din)

{

this.din=din;

}

public void run()

{

String str;

try

{

while(true)

{

str=din.readUTF();

System.out.println(new Date().toLocaleString()+"服务器说："+str);

if (str.equals("bye"))

{

System.out.println("服务器已经关闭，此程序自动退出！");

break;

}

}

}

catch (IOException e)

{

e.printStackTrace();

}

}

}

class SenderMessage implements Runnable

{

private DataOutputStream dout;

public SenderMessage(DataOutputStream dout)

{

this.dout=dout;

}

public void run()

{

String str;

InputStreamReader inf=new InputStreamReader(System.in);

BufferedReader buf=new BufferedReader(inf);

try

{

while (true)

{

str=buf.readLine();

dout.writeUTF(str);

if (str.equals("bye"))

{

System.out.println("客户端自己退出！");

System.exit(1);

}

}

}

catch (IOException e)

{

e.printStackTrace();

}

}

}

求java网络聊天室（B/S模式)程序代码

共四个java文件，源代码如下：

import java.awt.*;

import java点虐 .*;

import java.awt.event.*;

import java.io.*;

import java.util.Hashtable;

public class ChatArea extends Panel implements ActionListener,Runnable

{

Socket socket=null;

DataInputStream in=null;

DataOutputStream out=null;

Thread threadMessage=null;

TextArea 谈话显示区,私聊显示区=null;

TextField 送出信息=null;

Button 确定,刷新谈话区,刷新私聊区;

Label 提示条=null;

String name=null;

Hashtable listTable;

List listComponent=null;

Choice privateChatList;

int width,height;

public ChatArea(String name,Hashtable listTable,int width,int height)

{

setLayout(null);

setBackground(Color.orange);

this.width=width;

this.height=height;

setSize(width,height);

this.listTable=listTable;

this.name=name;

threadMessage=new Thread(this);

谈话显示区=new TextArea(10,10);

私聊显示区=new TextArea(10,10);

确定=new Button("送出信息到:");

刷新谈话区=new Button("刷新谈话区");

刷新私聊区=new Button("刷新私聊区");

提示条=new Label("双击聊天者可私聊",Label.CENTER);

送出信息=new TextField(28);

确定.addActionListener(this);

送出信息.addActionListener(this);

刷新谈话区.addActionListener(this);

刷新私聊区.addActionListener(this);

listComponent=new List();

listComponent.addActionListener(this);

privateChatList=new Choice();

privateChatList.add("大家(*)");

privateChatList.select(0);

add(谈话显示区);

谈话显示区.setBounds(10,10,(width-120)/2,(height-120));

add(私聊显示区);

私聊显示区.setBounds(10+(width-120)/2,10,(width-120)/2,(height-120));

add(listComponent);

listComponent.setBounds(10+(width-120),10,100,(height-160));

add(提示条);

提示条.setBounds(10+(width-120),10+(height-160),110,40);

Panel pSouth=new Panel();

pSouth.add(送出信息);

pSouth.add(确定);

pSouth.add(privateChatList);

pSouth.add(刷新谈话区);

pSouth.add(刷新私聊区);

add(pSouth);

pSouth.setBounds(10,20+(height-120),width-20,60);

}

public void setName(String s)

{

name=s;

}

public void setSocketConnection(Socket socket,DataInputStream in,DataOutputStream out)

{

this.socket=socket;

this.in=in;

this.out=out;

try

{

threadMessage.start();

}

catch(Exception e)

{

}

}

public void actionPerformed(ActionEvent e)

{

if(e.getSource()==确定||e.getSource()==送出信息)

{

String message="";

String people=privateChatList.getSelectedItem();

people=people.substring(0,people.indexOf("("));

message=送出信息.getText();

if(message.length()0)

{

try {

if(people.equals("大家"))

{

out.writeUTF("公共聊天内容:"+name+"说:"+message);

}

else

{

out.writeUTF("私人聊天内容:"+name+"悄悄地说:"+message+"#"+people);

}

}

catch(IOException event)

{

}

}

}

else if(e.getSource()==listComponent)

{

privateChatList.insert(listComponent.getSelectedItem(),0);

privateChatList.repaint();

}

else if(e.getSource()==刷新谈话区)

{

谈话显示区.setText(null);

}

else if(e.getSource()==刷新私聊区)

{

私聊显示区.setText(null);

}

}

public void run()

{

while(true)

{

String s=null;

try

{

s=in.readUTF();

if(s.startsWith("聊天内容:"))

{

String content=s.substring(s.indexOf(":")+1);

谈话显示区.append("\n"+content);

}

if(s.startsWith("私人聊天内容:"))

{

String content=s.substring(s.indexOf(":")+1);

私聊显示区.append("\n"+content);

}

else if(s.startsWith("聊天者:"))

{

String people=s.substring(s.indexOf(":")+1,s.indexOf("性别"));

String sex=s.substring(s.indexOf("性别")+2);

listTable.put(people,people+"("+sex+")");

listComponent.add((String)listTable.get(people));

listComponent.repaint();

}

else if(s.startsWith("用户离线:"))

{

String awayPeopleName=s.substring(s.indexOf(":")+1);

listComponent.remove((String)listTable.get(awayPeopleName));

listComponent.repaint();

谈话显示区.append("\n"+(String)listTable.get(awayPeopleName)+"离线");

listTable.remove(awayPeopleName);

}

Thread.sleep(5);

}

catch(IOException e)

{

listComponent.removeAll();

listComponent.repaint();

listTable.clear();

谈话显示区.setText("和服务器的连接已中断\n必须刷新浏览器才能再次聊天");

break;

}

catch(InterruptedException e)

{

}

}

}

}

ChatServer.java

import java.io.*;

import java点虐 .*;

import java.util.*;

public class ChatServer

{

public static void main(String args[])

{

ServerSocket server=null;

Socket you=null;

Hashtable peopleList;

peopleList=new Hashtable();

while(true)

{

try

{

server=new ServerSocket(6666);

}

catch(IOException e1)

{

System.out.println("正在监听");

}

try {

you=server.accept();

InetAddress address=you.getInetAddress();

System.out.println("用户的IP:"+address);

}

catch (IOException e)

{

}

if(you!=null)

{

Server_thread peopleThread=new Server_thread(you,peopleList);

peopleThread.start();

}

else {

continue;

}

}

}

}

class Server_thread extends Thread

{

String name=null,sex=null;

Socket socket=null;

File file=null;

DataOutputStream out=null;

DataInputStream in=null;

Hashtable peopleList=null;

Server_thread(Socket t,Hashtable list)

{

peopleList=list;

socket=t;

try {

in=new DataInputStream(socket.getInputStream());

out=new DataOutputStream(socket.getOutputStream());

}

catch (IOException e)

{

}

}

public void run()

{

while(true)

{ String s=null;

try

{

s=in.readUTF();

if(s.startsWith("姓名:"))

{

name=s.substring(s.indexOf(":")+1,s.indexOf("性别"));

sex=s.substring(s.lastIndexOf(":")+1);

boolean boo=peopleList.containsKey(name);

if(boo==false)

{

peopleList.put(name,this);

out.writeUTF("可以聊天:");

Enumeration enum=peopleList.elements();

while(enum.hasMoreElements())

{

Server_thread th=(Server_thread)enum.nextElement();

th.out.writeUTF("聊天者:"+name+"性别"+sex);

if(th!=this)

{

out.writeUTF("聊天者:"+th.name+"性别"+th.sex);

}

}

}

else

{

out.writeUTF("不可以聊天:");

}

}

else if(s.startsWith("公共聊天内容:"))

{

String message=s.substring(s.indexOf(":")+1);

Enumeration enum=peopleList.elements();

while(enum.hasMoreElements())

{

((Server_thread)enum.nextElement()).out.writeUTF("聊天内容:"+message);

}

}

else if(s.startsWith("用户离开:"))

{

Enumeration enum=peopleList.elements();

while(enum.hasMoreElements())

{ try

{

Server_thread th=(Server_thread)enum.nextElement();

if(th!=thisth.isAlive())

{

th.out.writeUTF("用户离线:"+name);

}

}

catch(IOException eee)

{

}

}

peopleList.remove(name);

socket.close();

System.out.println(name+"用户离开了");

break;

}

else if(s.startsWith("私人聊天内容:"))

{

String 悄悄话=s.substring(s.indexOf(":")+1,s.indexOf("#"));

String toPeople=s.substring(s.indexOf("#")+1);

Server_thread toThread=(Server_thread)peopleList.get(toPeople);

if(toThread!=null)

{

toThread.out.writeUTF("私人聊天内容:"+悄悄话);

}

else

{

out.writeUTF("私人聊天内容:"+toPeople+"已经离线");

}

}

}

catch(IOException ee)

{

Enumeration enum=peopleList.elements();

while(enum.hasMoreElements())

{ try

{

Server_thread th=(Server_thread)enum.nextElement();

if(th!=thisth.isAlive())

{

th.out.writeUTF("用户离线:"+name);

}

}

catch(IOException eee)

{

}

}

peopleList.remove(name);

try

{

socket.close();

}

catch(IOException eee)

{

}

System.out.println(name+"用户离开了");

break;

}

}

}

}

import java.awt.*;

import java.io.*;

import java点虐 .*;

import java.applet.*;

import java.util.Hashtable;

ClientChat.java

public class ClientChat extends Applet implements Runnable

{

Socket socket=null;

DataInputStream in=null;

DataOutputStream out=null;

InputNameTextField 用户提交昵称界面=null;

ChatArea 用户聊天界面=null;

Hashtable listTable;

Label 提示条;

Panel north, center;

Thread thread;

public void init()

{

int width=getSize().width;

int height=getSize().height;

listTable=new Hashtable();

setLayout(new BorderLayout());

用户提交昵称界面=new InputNameTextField(listTable);

int h=用户提交昵称界面.getSize().height;

用户聊天界面=new ChatArea("",listTable,width,height-(h+5));

用户聊天界面.setVisible(false);

提示条=new Label("正在连接到服务器,请稍等...",Label.CENTER);

提示条.setForeground(Color.red);

north=new Panel(new FlowLayout(FlowLayout.LEFT));

center=new Panel();

north.add(用户提交昵称界面);

north.add(提示条);

center.add(用户聊天界面);

add(north,BorderLayout.NORTH);

add(center,BorderLayout.CENTER);

validate();

}

public void start()

{

if(socket!=nullin!=nullout!=null)

{ try

{

socket.close();

in.close();

out.close();

用户聊天界面.setVisible(false);

}

catch(Exception ee)

{

}

}

try

{

socket = new Socket(this.getCodeBase().getHost(), 6666);

in=new DataInputStream(socket.getInputStream());

out=new DataOutputStream(socket.getOutputStream());

}

catch (IOException ee)

{

提示条.setText("连接失败");

}

if(socket!=null)

{

InetAddress address=socket.getInetAddress();

提示条.setText("连接:"+address+"成功");

用户提交昵称界面.setSocketConnection(socket,in,out);

north.validate();

}

if(thread==null)

{

thread=new Thread(this);

thread.start();

}

}

public void stop()

{

try

{

socket.close();

thread=null;

}

catch(IOException e)

{

this.showStatus(e.toString());

}

}

public void run()

{

while(thread!=null)

{

if(用户提交昵称界面.get能否聊天()==true)

{

用户聊天界面.setVisible(true);

用户聊天界面.setName(用户提交昵称界面.getName());

用户聊天界面.setSocketConnection(socket,in,out);

提示条.setText("祝聊天愉快!");

center.validate();

break;

}

try

{

Thread.sleep(100);

}

catch(Exception e)

{

}

}

}

}

InputNameTextField。java

import java.awt.*;

import java点虐 .*;

import java.awt.event.*;

import java.io.*;

import java.util.Hashtable;

public class InputNameTextField extends Panel implements ActionListener,Runnable

{

TextField nameFile=null;

String name=null;

Checkbox male=null,female=null;

CheckboxGroup group=null;

Button 进入聊天室=null,退出聊天室=null;

Socket socket=null;

DataInputStream in=null;

DataOutputStream out=null;

Thread thread=null;

boolean 能否聊天=false;

Hashtable listTable;

public InputNameTextField(Hashtable listTable)

{

this.listTable=listTable;

nameFile=new TextField(10);

group=new CheckboxGroup();

male=new Checkbox("男",true,group);

female=new Checkbox("女",false,group);

进入聊天室=new Button("进入");

退出聊天室=new Button("退出");

进入聊天室.addActionListener(this);

退出聊天室.addActionListener(this);

thread=new Thread(this);

add(new Label("昵称:"));

add(nameFile);

add(male);

add(female);

add(进入聊天室);

add(退出聊天室);

退出聊天室.setEnabled(false);

}

public void set能否聊天(boolean b)

{

能否聊天=b;

}

public boolean get能否聊天()

{

return 能否聊天;

}

public String getName()

{

return name;

}

public void setName(String s)

{

name=s;

}

public void setSocketConnection(Socket socket,DataInputStream in,DataOutputStream out)

{

this.socket=socket;

this.in=in;

this.out=out;

try{

thread.start();

}

catch(Exception e)

{

nameFile.setText(""+e);

}

}

public Socket getSocket()

{

return socket;

}

public void actionPerformed(ActionEvent e)

{

if(e.getSource()==进入聊天室)

{

退出聊天室.setEnabled(true);

if(能否聊天==true)

{

nameFile.setText("您正在聊天:"+name);

}

else

{

this.setName(nameFile.getText());

String sex=group.getSelectedCheckbox().getLabel();

if(socket!=nullname!=null)

{

try{

out.writeUTF("姓名:"+name+"性别:"+sex);

}

catch(IOException ee)

{

nameFile.setText("没有连通服务器"+ee);

}

}

}

}

if(e.getSource()==退出聊天室)

{

try

{

out.writeUTF("用户离开:");

}

catch(IOException ee)

{

}

}

}

public void run()

{

String message=null;

while(true)

{

if(in!=null)

{

try

{

message=in.readUTF();

}

catch(IOException e)

{

nameFile.setText("和服务器断开"+e);

}

}

if(message.startsWith("可以聊天:"))

{

能否聊天=true;

break;

}

else if(message.startsWith("聊天者:"))

{

String people=message.substring(message.indexOf(":")+1);

listTable.put(people,people);

}

else if(message.startsWith("不可以聊天:"))

{

能否聊天=false;

nameFile.setText("该昵称已被占用");

}

}

}

}

急需一个java编程实现的简单聊天窗口代码

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import java点虐 .*;

import java.io.*;

public class ClientDemo01 {

public static void main(String[] args){

JFrame f=new JFrame("AA");

JPanel p1=new JPanel();

JPanel p2=new JPanel();

JTextArea ta=new JTextArea(15,30);

ta.setEditable(false); //文本域只读

JScrollPane sp=new JScrollPane(ta); //滚动窗格

JTextField tf=new JTextField(20);

JButton b=new JButton("发送");

p1.add(sp);

p2.add(tf);

p2.add(b);

f.add(p1,"Center");

f.add(p2,"South");

f.setBounds(300,300,360,300);

f.setVisible(true);

f.setResizable(false);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Socket socket=null;

BufferedInputStream bis=null;

BufferedOutputStream bos=null;

try{

socket=new Socket("192.168.0.4",5000);

bis=new BufferedInputStream(socket.getInputStream());

bos=new BufferedOutputStream(socket.getOutputStream());

MyThread01 mt=new MyThread01(bis,ta);

mt.start();

}catch(Exception e){

e.printStackTrace();

}

b.addActionListener(new ButtonActionListener01(tf,ta,bos));

}

}

class ButtonActionListener01 implements ActionListener{

JTextField tf;

JTextArea ta;

BufferedOutputStream bos;

public ButtonActionListener01(JTextField tf,JTextArea ta,BufferedOutputStream bos){

this.tf=tf;

this.ta=ta;

this.bos=bos;

}

public void actionPerformed(ActionEvent e){

String message=tf.getText();

if(!message.equals("")){

tf.setText(""); //清空文本框

ta.append("AA:"+message+"\n"); //添加到文本域并换行

try{

bos.write(message.getBytes());

bos.flush();

}catch(Exception ex){

System.out.println("发送失败");

}

}

}

}

class MyThread01 extends Thread{

BufferedInputStream bis;

JTextArea ta;

public MyThread01(BufferedInputStream bis,JTextArea ta){

this.bis=bis;

this.ta=ta;

}

public void run(){

try{

while(true){

byte[] b=new byte[100];

int length=bis.read(b);

String message=new String(b,0,length);

ta.append("BB:"+message+"\n");

}

}catch(Exception e){

e.printStackTrace();

}

}

} import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import java点虐 .*;

import java.io.*;

public class ServerDemo01{

public static void main(String[] args){

JFrame f=new JFrame("BB");

JPanel p1=new JPanel();

JPanel p2=new JPanel();

JTextArea ta=new JTextArea(12,30); //文本域，第一个参数为行数，第二个参数为列数

ta.setEditable(false); //文本域只读

JScrollPane sp=new JScrollPane(ta); //滚动窗格

JTextField tf=new JTextField(20);

JButton b=new JButton("发送");

p1.add(sp);

p2.add(tf);

p2.add(b);

f.add(p1,"Center");

f.add(p2,"South");

f.setBounds(300,300,360,300);

f.setVisible(true);

f.setResizable(false);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

ServerSocket server=null;

Socket socket=null;

BufferedInputStream bis=null;

BufferedOutputStream bos=null;

try{

server=new ServerSocket(5000);

//ta.append("等待AA连接...\n");

socket=server.accept();

//ta.append("AA已连接\n");

bis=new BufferedInputStream(socket.getInputStream());

bos=new BufferedOutputStream(socket.getOutputStream());

MyThread1 mt=new MyThread1(bis,ta);

mt.start();

}catch(Exception e){

e.printStackTrace();

}

b.addActionListener(new ButtonActionListener1(tf,ta,bos));

}

}

class ButtonActionListener1 implements ActionListener{

JTextField tf;

JTextArea ta;

BufferedOutputStream bos;

public ButtonActionListener1(JTextField tf,JTextArea ta,BufferedOutputStream bos){

this.tf=tf;

this.ta=ta;

this.bos=bos;

}

public void actionPerformed(ActionEvent e){

String message=tf.getText(); //获取文本框中的内容

if(!message.equals("")){

tf.setText(""); //清空文本框

ta.append("BB:"+message+"\n"); //添加到文本域并换行

try{

bos.write(message.getBytes());

bos.flush();

}catch(Exception ex){

System.out.println("发送失败！");

}

}

}

}

class MyThread1 extends Thread{

BufferedInputStream bis;

JTextArea ta;

public MyThread1(BufferedInputStream bis,JTextArea ta){

this.bis=bis;

this.ta=ta;

}

public void run(){

try{

while(true){

byte[] b=new byte[100];

int length=bis.read(b);

String message=new String(b,0,length);

ta.append("AA:"+message+"\n");

}

}catch(Exception e){

e.printStackTrace();

}

}

}

请问能不能帮我写一个Java的聊天窗口文件源代码，不要很复杂，只要能运行，聊天就行了！我用淘宝金币换,谢

话说网上真的好多啊...

package client;

import java.awt.Color;

import java.awt.Container;

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.IOException;

import java点虐 .Socket;

import java.util.Date;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JOptionPane;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;

import javax.swing.JTextField;

public class ClientFrame extends JFrame{

private JTextArea allmsg;

private JTextField welcome,copyright,chatmsg;

private JButton send;

private JScrollPane js;

private boolean isConnected = true;

public DataOutputStream out;

public DataInputStream in;

public Socket s = null;

String nic; /* -- 保存用户昵称 --*/

/**

* 初始化客户端资源

* 1.获取从LoginFrame传递过来的参数

* 2.初始化界面元素

* 3.初始化通信所需要的资源 EG：输入/输出流(DataInputStream/DataOutputStream)

* */

public ClientFrame(String name,Socket socket)

{

this.setSize(310,660);

this.setLocation(290,50);

this.setTitle("聊天室客户端"+name+"");/* -- 指定窗口的标题 --*/

this.s = socket;/* -- 接收从LoginFrame中传递过来的Socket --*/

this.nic = name+" 说： ";

welcome = new JTextField(" "+name+" 欢迎您来到聊天室 ",100);

welcome.setBackground(Color.blue);

welcome.setEnabled(false);

copyright = new JTextField(" ----- all copyright @ TOP-king -----");

copyright.setEnabled(false);

allmsg = new JTextArea();

allmsg.setEditable(false);

allmsg.append(" 系统消息: 欢迎登录在线聊天室 \n");

js = new JScrollPane(allmsg);//为JTextArea添加滚动条

chatmsg = new JTextField("在此输入聊天信息");

chatmsg.addActionListener(new listen());

send = new JButton("发送");

send.addActionListener(new listen());/* -- 添加事件监听器 --*/

try {

out = new DataOutputStream(s.getOutputStream());

in = new DataInputStream(s.getInputStream());

} catch (IOException e) {JOptionPane.showMessageDialog(null, "系统异常","错误",JOptionPane.OK_CANCEL_OPTION);}

addcomponettocontainer();

/* -- 当用户关闭窗口时进行相关的处理 eg:Socket Data(Input/Output)Stream 的关闭--*/

this.addWindowListener(new WindowAdapter(){

public void windowClosing(WindowEvent we)

{

sendmsg("quitlogout");/* -- 向服务器端发送关闭信息 --*/

isConnected = false;

destory();/* -- 销毁窗口资源 --*/

}

});

new Thread(new linread()).start();/* -- 启动读取信息线程 --*/

}

public void addcomponettocontainer()

{

Container c = this.getContentPane();

c.setLayout(null);

welcome.setBounds(75,10,150,20);

js.setBounds(10,50,280,500);

chatmsg.setBounds(10,560,180,30);

send.setBounds(220,560,70,30);

copyright.setBounds(10,600,280,20);

c.add(welcome);

c.add(js);

c.add(chatmsg);

c.add(send);

c.add(copyright);

this.setVisible(true);

this.setResizable(false);

}

class listen implements ActionListener

{

public void actionPerformed(ActionEvent e) {

// TODO Auto-generated method stub

if(e.getSource()==send||e.getSource()==chatmsg)

{

String msg = chatmsg.getText().trim();

if("".equals(msg))

{

JOptionPane.showMessageDialog(null,"发送信息不能为空!","错误",JOptionPane.OK_OPTION);

}

else

{sendmsg((new Date()).toLocaleString()+"\n"+nic+msg+"\n");chatmsg.setText("");}

}

}

}

/* -- 向服务器端发送信息 --*/

public void sendmsg(String m)

{

if(isConnected)//如果socket的输出流没关闭

{

try {

out.writeUTF(m);

} catch (IOException e) {

JOptionPane.showMessageDialog(null,"发送信息失败!(系统异常)","错误",JOptionPane.OK_OPTION);

}

}

else

{

JOptionPane.showMessageDialog(null,"发送信息失败!(服务器关闭/网络故障)","错误",JOptionPane.OK_OPTION);

}

}

/* -- 读取信息线程 --*/

class linread implements Runnable

{

public void run()

{

read();

}

public void read()

{

while(isConnected)

{

try {

String msg = in.readUTF();

if("SYSTEM_CLOSED".equals(msg))

{

JOptionPane.showMessageDialog(null,"读取消息失败(服务器关闭/网络故障)！","错误",JOptionPane.OK_OPTION);

isConnected = false;

}

else

allmsg.append(msg+"\n");

} catch (IOException e) {

}

}//end while

JOptionPane.showMessageDialog(null,"读取消息失败(服务器关闭/网络故障)！","错误",JOptionPane.OK_OPTION);

}//end read()

}

public void destory()

{

try {

this.out.close();

this.in.close();

this.s.close();

} catch (IOException e) {

}

this.dispose();

}

}

======================================================

package client;

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

import java.io.*;

import java点虐 .*;

public class LoginFrame extends JFrame{

private JTextField name;

private JTextField ip;

private JButton ok,cancle;

public Socket socket;

public LoginFrame()

{

super("登录框");

this.setSize(400,80);

this.setLocation(100,100);

name = new JTextField("昵称");

ip = new JTextField("127.0.0.1");

ok = new JButton("登录");

cancle = new JButton("取消");

ok.addActionListener(new listenEvent());

cancle.addActionListener(new listenEvent());

//建立容器

addcomponettocontainer();

this.setDefaultCloseOperation(EXIT_ON_CLOSE);

}

/**

* 建立容器及控件

*/

public void addcomponettocontainer()

{

Container c = this.getContentPane();

c.setLayout(null);

name.setBounds(10,10,100,30);

ip.setBounds(120,10,100,30);

ok.setBounds(230,10,70,30);

cancle.setBounds(310,10,70,30);

c.add(name);

c.add(ip);

c.add(ok);

c.add(cancle);

this.setVisible(true);

this.setResizable(false);

}

public class listenEvent implements ActionListener

{

public void actionPerformed(ActionEvent event) {

// TODO Auto-generated method stub

if(event.getSource()==ok)

{

String n = name.getText().trim();

String i = ip.getText().trim();

if("".equals(n)||"".equals(i))

{

JOptionPane.showMessageDialog(null,"昵称、IP不能够为空!","错误",JOptionPane.OK_OPTION);

}

else{login(n,i);}

}

if(event.getSource()==cancle)

{

name.setText("");

ip.setText("");

}

}

}

/**

* 进行登录

* @param name

* @param ip

*/

public void login(String name,String ip)

{

try {

socket = new Socket(ip,7777);

DataOutputStream out = new DataOutputStream(socket.getOutputStream());

out.writeUTF(name);

out.flush();//强制输出缓存中的内容

//out.close();

new ClientFrame(name,socket);

destroywindow();

} catch (UnknownHostException e) {

JOptionPane.showMessageDialog(null,"找不到主机地址(IP错误/网络故障)！","错误",JOptionPane.OK_OPTION);

} catch (IOException e) {

}

}

public void destroywindow()

{

this.dispose();

}

public static void main(String[] args)

{

new LoginFrame();

}

}

==================================================

package server;

import java.awt.Container;

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.IOException;

import java点虐 .ServerSocket;

import java点虐 .Socket;

import java.util.ArrayList;

import java.util.Date;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JOptionPane;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;

import javax.swing.JTextField;

public class ServerFrame extends JFrame{

/**

*

*/

private static final long serialVersionUID = 1L;

private JTextArea allmsg;

private JTextField currnum,totalnum,copyright,chatmsg;

private JButton send;

private JScrollPane js;

int num1,num2,port;/* -- num1:当前在线人数 num2:总上线人数 port:服务端口号 --*/

private ServerSocket ss;

ArrayListuser lists;//存放所有在线用户

public ServerFrame()

{

super("聊天室服务器端");

this.setSize(310,660);

this.setLocation(200,50);

lists = new ArrayListuser();

num1 = num2 =0;

port = 7777;

currnum = new JTextField(" 当前在线人数： "+num1);

currnum.setEnabled(false);

totalnum = new JTextField(" 上线总人数： "+num2);

totalnum.setEnabled(false);

copyright = new JTextField(" ----- all copyright @ TOP-king -----");

copyright.setEnabled(false);

allmsg = new JTextArea();

allmsg.append(" --------------- 系统消息 --------------\n");

allmsg.setEditable(false);

allmsg.setLineWrap(true); //允许自动换行

js = new JScrollPane(allmsg);//为JTextArea添加滚动条

chatmsg = new JTextField("在此输入系统信息");

chatmsg.addActionListener(new ActionListener(){

@SuppressWarnings("deprecation")

public void actionPerformed(ActionEvent arg0) {

String str = chatmsg.getText().trim();

if(!"".equals(str))

{sendmsg((new Date()).toLocaleString()+" -- 系统消息： "+str);chatmsg.setText("");}

else

JOptionPane.showMessageDialog(null, "消息不能为空","错误",JOptionPane.OK_OPTION);

chatmsg.setText("");/* -- 发送信息后，将输入栏中的信息清空 -- */

}

});

send = new JButton("发送");

send.addActionListener(new ActionListener(){

@SuppressWarnings("deprecation")

public void actionPerformed(ActionEvent arg0) {

String str = chatmsg.getText().trim();

if(!"".equals(str))

{sendmsg((new Date()).toLocaleString()+" -- 系统消息： "+str);chatmsg.setText("");}

else

JOptionPane.showMessageDialog(null, "消息不能为空","错误",JOptionPane.OK_OPTION);

chatmsg.setText("");/* -- 发送信息后，将输入栏中的信息清空 -- */

}

});

//建立容器

addcomponettocontainer();

this.addWindowListener(new WindowAdapter(){

public void windowClosing(WindowEvent we)

{

sendmsg("SYSTEM_CLOSED");/* -- 向客户端发送服务器关闭信息 -- */

destory();

}

});

start(); /* -- 启动连接服务 -- */

}

public void addcomponettocontainer()

{

//Container建立容器

Container c = this.getContentPane();

c.setLayout(null);

currnum.setBounds(20,15,130,20);

totalnum.setBounds(155,15,125,20);

js.setBounds(10,50,280,500);

chatmsg.setBounds(10,560,180,30);

send.setBounds(220,560,70,30);

copyright.setBounds(10,600,280,20);

c.add(currnum);

c.add(totalnum);

c.add(js);

c.add(chatmsg);

c.add(send);

c.add(copyright);

this.setVisible(true);

this.setResizable(false);

}

/**

* start()方法监听客户的连接

* 并且保存客户端的相关信息EG：用户昵称、用户所使用的Socket

* 用户连接到服务器成功之后，将其保存到用户列表中，并为该用户启动一个线程用于通信 */

@SuppressWarnings("deprecation")

public void start()

{

boolean isStarted = false;/* -- 用于标记服务器是否已经正常启动 -- */

try {

this.ss = new ServerSocket(port);

isStarted = true;

this.allmsg.append((new Date()).toLocaleString()+" 服务器启动 @ 端口: "+port+"\n");

while(isStarted)

{

Socket client = this.ss.accept(); /* -- 监听客户端的连接 -- */

DataInputStream in = new DataInputStream(client.getInputStream());

String name = in.readUTF();

user u = new user();

u.name = name;

u.socket = client;

lists.add(u); //将该用户加到列表中去

num1++;

num2++;

currnum.setText(" 当前在线人数： "+num1);

totalnum.setText(" 上线总人数： "+num2);

this.allmsg.append((new Date()).toLocaleString()+" : "+u.name+" 登录 \n");

new Thread(new ClientThread(u)).start();/* -- 为该用户启动一个通信线程 -- */

}

} catch (IOException e) {

System.out.println("服务器已经启动......");

System.exit(0);

}

}

/**

* 通信线程主要功能包括：

* 1.监听客户端输入的信息

* 2.将接收到的信息转发给其他用户 */

class ClientThread implements Runnable

{

user user = null;

boolean isConnected = true;

DataInputStream dis = null;

DataOutputStream dos = null;

public ClientThread(user u)

{

this.user = u;

try {

this.dis = new DataInputStream(this.user.socket.getInputStream());

this.dos = new DataOutputStream(this.user.socket.getOutputStream());

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public void run()

{

readmsg();

}

/* -- 读取客户的聊天信息 -- */

@SuppressWarnings("deprecation")

public void readmsg()

{

while(isConnected)

{

try {

String msg = dis.readUTF();

if("quitlogout".equals(msg))//当用户关闭客户端窗口时，发送quit字符串 表示用户已经退出

{

num1--;

try{

this.dis.close();

this.dos.close();

this.user.socket.close();

this.isConnected = false;

}catch(IOException ioe)

{

ioe.printStackTrace();

}finally{

this.isConnected = false;

if(dis!=null) this.dis.close();

if(dos!=null) this.dos.close();

if(this.user.socket!=null) this.user.socket.close();

}

lists.remove(this.user);//从列表中删除该用户

currnum.setText(" 当前在线人数： "+num1);

allmsg.append((new Date()).toLocaleString()+" : "+this.user.name+" 退出\n");

}

else

sendmsg(msg);

} catch (IOException e) {

e.printStackTrace();

}

}

}

}

/* -- 将信息进行转发 -- */

public void sendmsg(String msg)

{

user us = new user();

DataOutputStream os = null;

if(lists.size()0)

{

for(int i=0;ilists.size();i++)

{

us = lists.get(i);

try {

os = new DataOutputStream(us.socket.getOutputStream());

os.writeUTF(msg);

} catch (IOException e) {

e.printStackTrace();

}

}

}

else

JOptionPane.showMessageDialog(null, "当前无用户在线。发送消息失败","失败",JOptionPane.OK_OPTION);

}

public void destory()

{

try {

this.ss.close();

} catch (IOException e) {

e.printStackTrace();

}

this.dispose();

}

public static void main(String[] args)

{

new ServerFrame();

}

}

=================================================

package server;

import java点虐 .*;

public class user {

String name;

Socket socket;

}

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