CS模式的QQ這是服務(wù)器:ChatServer.javaimport java.net.*;
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import java.io.*;
public class ChatServer
{
final static int thePort=8189;
ServerSocket theServer;
ChatHandler[] chatters;
int numbers=0;
public static void main(String args[])
{
ChatServer app=new ChatServer();
app.run();
}
public ChatServer()
{
try
{
theServer=new ServerSocket(thePort);
chatters=new ChatHandler[10];
}
catch(IOException io){}
}
public void run()
{
try
{
System.out.println("服務(wù)器已經(jīng)建立！");
while(numbers10)
{
Socket theSocket=theServer.accept();
ChatHandler chatHandler=new ChatHandler(theSocket,this);
chatters[numbers]=chatHandler;
numbers++;
}
}catch(IOException io){}
}
public synchronized void removeConnectionList(ChatHandler c)
{
int index=0;
for(int i=0;i=numbers-1;i++)
if(chatters[i]==c)index=i;
for(int i=index;inumbers-1;i++)
chatters[i]=chatters[i+1];
chatters[numbers-1]=null;
numbers--;
}
public synchronized String returnUsernameList()
{
String line="";
for(int i=0;i=numbers-1;i++)
line=line+chatters[i].user+":";
return line;
}
public void broadcastMessage(String line)
{
System.out.println("發(fā)布信息:"+line);
for(int i=0;i=numbers-1;i++)
chatters[i].sendMessage(line);
}
}====================================================這是客戶(hù)端：ChatClient.javaimport java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.net.*;
import java.io.*;
public class ChatClient extends Thread implements ActionListener
{
JTextField messageField,IDField,ipField,portField;
JTextArea message,users;
JButton connect,disconnect;
String user="";
String userList[]=new String[10];
Socket theSocket;
BufferedReader in;
PrintWriter out;
boolean connected=false;
Thread thread;
public static void main(String args[])
{
JFrame frame=new JFrame("聊天室");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ChatClient cc=new ChatClient();
JPanel content=cc.createComponents();
frame.getContentPane().add(content);
frame.setSize(550,310);
frame.setVisible(true);
}
public JPanel createComponents()
{
JPanel pane=new JPanel(new BorderLayout());
message=new JTextArea(10,35);
message.setEditable(false);
JPanel paneMsg=new JPanel();
paneMsg.setBorder(BorderFactory.createTitledBorder("聊天內(nèi)容"));
paneMsg.add(message);
users=new JTextArea(10,10);
JPanel listPanel=new JPanel();
listPanel.setBorder(BorderFactory.createTitledBorder("在線(xiàn)用戶(hù):"));
listPanel.add(users);
messageField=new JTextField(50);
IDField=new JTextField(5);
ipField=new JTextField("LocalHost");
portField=new JTextField("8189");
connect=new JButton("連 接");
disconnect=new JButton("斷 開(kāi)");
disconnect.setEnabled(false);
JPanel buttonPanel=new JPanel();
buttonPanel.add(new Label("服務(wù)器IP:"));
buttonPanel.add(ipField);
buttonPanel.add(new Label("端口："));buttonPanel.add(portField);
buttonPanel.add(new Label("用戶(hù)名："));
buttonPanel.add(IDField);
buttonPanel.add(connect);
buttonPanel.add(disconnect);
pane.add(messageField,"South");
pane.add(buttonPanel,"North");
pane.add(paneMsg,"Center");
pane.add(listPanel,"West");
connect.addActionListener(this);
disconnect.addActionListener(this);
messageField.addActionListener(this);
IDField.addActionListener(this);
ipField.addActionListener(this);
return pane;
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==connect){
user=IDField.getText();
String ip=ipField.getText();
int port =Integer.parseInt(portField.getText());
if(!user.equals("")connectToServer(ip,port,user))
{
disconnect.setEnabled(true);
connect.setEnabled(false);
}
}
if(e.getSource()==disconnect)disconnectFromServer();
if(e.getSource()==messageField)
if(theSocket!=null)
{
out.println("MESSAGE:"+messageField.getText());
messageField.setText("");
}
}
public void disconnectFromServer()
{
if(theSocket!=null)
{
try
{
connected=false;
out.println("LEAVE:"+user);
disconnect.setEnabled(false);
connect.setEnabled(true);
thread=null;
theSocket.close();
}catch(IOException io){}
theSocket=null;
message.setText("");
users.setText("");
}
}
public boolean connectToServer(String ip,int port,String ID)
{
if(theSocket!=null)
return false;
try
{
theSocket=new Socket(ip,port);
in=new BufferedReader(new InputStreamReader(theSocket.getInputStream()));
out=new PrintWriter(new OutputStreamWriter(theSocket.getOutputStream()),true);
out.println("USER:"+user);
message.setText("");
connected=true;
thread=new Thread(this);
thread.start();
}catch(Exception e){return false;}
return true;
}
public void extractMessage(String line)
{
System.out.println(line);
Message messageline;
messageline=new Message(line);
if(messageline.isValid())
{
if(messageline.getType().equals("JOIN"))
{
user=messageline.getBody();
message.append(user+"進(jìn)入了聊天室\n");
}
else if(messageline.getType().equals("LIST"))
updateList(messageline.getBody());
else if(messageline.getType().equals("MESSAGE"))
message.append(messageline.getBody()+"\n");
else if(messageline.getType().equals("REMOVE"))
message.append(messageline.getBody()+"離開(kāi)了聊天室\n");
}
else
message.append("出現(xiàn)問(wèn)題："+line+"\n");
}
public void updateList(String line)
{
users.setText("");
String str=line;
for(int i=0;i10;i++)
userList[i]="";
int index=str.indexOf(":");
int a=0;
while(index!=-1){
userList[a]=str.substring(0,index);
str=str.substring(index+1);
a++;
index=str.indexOf(":");
}
for(int i=0;i10;i++)
users.append(userList[i]+"\n");
}
public void run(){
try{
String line="";
while(connected line!=null){
line=in.readLine();
if(line!=null) extractMessage(line);
}
}catch(IOException e){}
}
} =======================================================import java.net.*;
import java.io.*;
class ChatHandler extends Thread{
Socket theSocket;
BufferedReader in;
PrintWriter out;
int thePort;
ChatServer parent;
String user="";
boolean disconnect=false;
public ChatHandler(Socket socket,ChatServer parent){
try{
theSocket=socket;
this.parent=parent;
in=new BufferedReader(new InputStreamReader(theSocket.getInputStream()));
out=new PrintWriter(new OutputStreamWriter(theSocket.getOutputStream()),true);
thePort=theSocket.getPort();
start();
}catch(IOException io){}
}
public void sendMessage(String line){
out.println(line);
}
public void setupUserName(String setname){
user=setname;
//System.out.print(user+"參加");
parent.broadcastMessage("JOIN:"+user);
}
public void extractMessage(String line){
Message messageline;
messageline = new Message(line);
if(messageline.isValid()){
if(messageline.getType().equals("USER")){
setupUserName(messageline.getBody());
parent.broadcastMessage("LIST:"+parent.returnUsernameList());
}
else if(messageline.getType().equals("MESSAGE")){
parent.broadcastMessage("MESSAGE:"+user+"說(shuō): "+messageline.getBody());
}
else if(messageline.getType().equals("LEAVE")){
String c=disconnectClient();
parent.broadcastMessage("REMOVE:"+c);
parent.broadcastMessage("LIST:"+parent.returnUsernameList());
}
}
else
sendMessage("命令不存在!");
}
public String disconnectClient(){
try{
in.close();
out.close();
theSocket.close();
parent.removeConnectionList(this);
disconnect=true;
}catch(Exception ex){}
return user;
}
public void run(){
String line,name;
boolean valid=false;
try{
while((line=in.readLine())!=null){
System.out.println("收到:"+line);
extractMessage(line);
}
}catch(IOException io){}
}
}
=========================================================
Message.javapublic class Message{
private String type;
private String body;
private boolean valid;
public Message(String messageLine){
valid=false;
type=body=null;
int pos=messageLine.indexOf(":");
if(pos=0){
type=messageLine.substring(0,pos).toUpperCase();
body=messageLine.substring(pos+1);
valid=true;
}
}
public Message(String type,String body){
valid=true;
this.type=type;
this.body=body;
}
public String getType(){
return type;
}
public String getBody(){
return body;
}
public boolean isValid(){
return valid;
}
} ==================================================共有4個(gè)文件，先運(yùn)行服務(wù)段端。。。 這是我以前學(xué)的時(shí)候?qū)戇^(guò)的！希望能幫的上你
【ClientSocketDemo.java 客戶(hù)端Java源代碼】
import java.net.*;
import java.io.*;
public class ClientSocketDemo
{
//聲明客戶(hù)端Socket對(duì)象socket
Socket socket = null;
//聲明客戶(hù)器端數(shù)據(jù)輸入輸出流
DataInputStream in;
DataOutputStream out;
//聲明字符串?dāng)?shù)組對(duì)象response，用于存儲(chǔ)從服務(wù)器接收到的信息
String response[];
//執(zhí)行過(guò)程中，沒(méi)有參數(shù)時(shí)的構(gòu)造方法，本地服務(wù)器在本地，取默認(rèn)端口10745
public ClientSocketDemo()
{
try
{
//創(chuàng)建客戶(hù)端socket，服務(wù)器地址取本地，端口號(hào)為10745
socket = new Socket("localhost",10745);
//創(chuàng)建客戶(hù)端數(shù)據(jù)輸入輸出流，用于對(duì)服務(wù)器端發(fā)送或接收數(shù)據(jù)
in = new DataInputStream(socket.getInputStream());
out = new DataOutputStream(socket.getOutputStream());
//獲取客戶(hù)端地址及端口號(hào)
String ip = String.valueOf(socket.getLocalAddress());
String port = String.valueOf(socket.getLocalPort());
//向服務(wù)器發(fā)送數(shù)據(jù)
out.writeUTF("Hello Server.This connection is from client.");
out.writeUTF(ip);
out.writeUTF(port);
//從服務(wù)器接收數(shù)據(jù)
response = new String[3];
for (int i = 0; i response.length; i++)
{
response[i] = in.readUTF();
System.out.println(response[i]);
}
}
catch(UnknownHostException e){e.printStackTrace();}
catch(IOException e){e.printStackTrace();}
}
//執(zhí)行過(guò)程中，有一個(gè)參數(shù)時(shí)的構(gòu)造方法，參數(shù)指定服務(wù)器地址，取默認(rèn)端口10745
public ClientSocketDemo(String hostname)
{
try
{
//創(chuàng)建客戶(hù)端socket，hostname參數(shù)指定服務(wù)器地址，端口號(hào)為10745
socket = new Socket(hostname,10745);
in = new DataInputStream(socket.getInputStream());
out = new DataOutputStream(socket.getOutputStream());
String ip = String.valueOf(socket.getLocalAddress());
String port = String.valueOf(socket.getLocalPort());
out.writeUTF("Hello Server.This connection is from client.");
out.writeUTF(ip);
out.writeUTF(port);
response = new String[3];
for (int i = 0; i response.length; i++)
{
response[i] = in.readUTF();
System.out.println(response[i]);
}
}
catch(UnknownHostException e){e.printStackTrace();}
catch(IOException e){e.printStackTrace();}
}
//執(zhí)行過(guò)程中，有兩個(gè)個(gè)參數(shù)時(shí)的構(gòu)造方法，第一個(gè)參數(shù)hostname指定服務(wù)器地址
//第一個(gè)參數(shù)serverPort指定服務(wù)器端口號(hào)
public ClientSocketDemo(String hostname,String serverPort)
{
try
{
socket = new Socket(hostname,Integer.parseInt(serverPort));
in = new DataInputStream(socket.getInputStream());
out = new DataOutputStream(socket.getOutputStream());
String ip = String.valueOf(socket.getLocalAddress());
String port = String.valueOf(socket.getLocalPort());
out.writeUTF("Hello Server.This connection is from client.");
out.writeUTF(ip);
out.writeUTF(port);
response = new String[3];
for (int i = 0; i response.length; i++)
{
response[i] = in.readUTF();
System.out.println(response[i]);
}
}
catch(UnknownHostException e){e.printStackTrace();}
catch(IOException e){e.printStackTrace();}
}
public static void main(String[] args)
{
String comd[] = args;
if(comd.length == 0)
{
System.out.println("Use localhost(127.0.0.1) and default port");
ClientSocketDemo demo = new ClientSocketDemo();
}
else if(comd.length == 1)
{
System.out.println("Use default port");
ClientSocketDemo demo = new ClientSocketDemo(args[0]);
}
else if(comd.length == 2)
{
System.out.println("Hostname and port are named by user");
ClientSocketDemo demo = new ClientSocketDemo(args[0],args[1]);
}
else System.out.println("ERROR");
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
【ServerSocketDemo.java 服務(wù)器端Java源代碼】
import java.net.*;
import java.io.*;
public class ServerSocketDemo
{
//聲明ServerSocket類(lèi)對(duì)象
ServerSocket serverSocket;
//聲明并初始化服務(wù)器端監(jiān)聽(tīng)端口號(hào)常量
public static final int PORT = 10745;
//聲明服務(wù)器端數(shù)據(jù)輸入輸出流
DataInputStream in;
DataOutputStream out;
//聲明InetAddress類(lèi)對(duì)象ip，用于獲取服務(wù)器地址及端口號(hào)等信息
InetAddress ip = null;
//聲明字符串?dāng)?shù)組對(duì)象request，用于存儲(chǔ)從客戶(hù)端發(fā)送來(lái)的信息
String request[];
public ServerSocketDemo()
{
request = new String[3]; //初始化字符串?dāng)?shù)組
try
{
//獲取本地服務(wù)器地址信息
ip = InetAddress.getLocalHost();
//以PORT為服務(wù)端口號(hào)，創(chuàng)建serverSocket對(duì)象以監(jiān)聽(tīng)該端口上的連接
serverSocket = new ServerSocket(PORT);
//創(chuàng)建Socket類(lèi)的對(duì)象socket，用于保存連接到服務(wù)器的客戶(hù)端socket對(duì)象
Socket socket = serverSocket.accept();
System.out.println("This is server:"+String.valueOf(ip)+PORT);
//創(chuàng)建服務(wù)器端數(shù)據(jù)輸入輸出流，用于對(duì)客戶(hù)端接收或發(fā)送數(shù)據(jù)
in = new DataInputStream(socket.getInputStream());
out = new DataOutputStream(socket.getOutputStream());
//接收客戶(hù)端發(fā)送來(lái)的數(shù)據(jù)信息，并顯示
request[0] = in.readUTF();
request[1] = in.readUTF();
request[2] = in.readUTF();
System.out.println("Received messages form client is:");
System.out.println(request[0]);
System.out.println(request[1]);
System.out.println(request[2]);
//向客戶(hù)端發(fā)送數(shù)據(jù)
out.writeUTF("Hello client!");
out.writeUTF("Your ip is:"+request[1]);
out.writeUTF("Your port is:"+request[2]);
}
catch(IOException e){e.printStackTrace();}
}
public static void main(String[] args)
{
ServerSocketDemo demo = new ServerSocketDemo();
}
}
共四個(gè)java文件，源代碼如下：
import java.awt.*;
import java.net.*;
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 談話(huà)顯示區(qū),私聊顯示區(qū)=null;
TextField 送出信息=null;
Button 確定,刷新談話(huà)區(qū),刷新私聊區(qū);
Label 提示條=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);
談話(huà)顯示區(qū)=new TextArea(10,10);
私聊顯示區(qū)=new TextArea(10,10);
確定=new Button("送出信息到:");
刷新談話(huà)區(qū)=new Button("刷新談話(huà)區(qū)");
刷新私聊區(qū)=new Button("刷新私聊區(qū)");
提示條=new Label("雙擊聊天者可私聊",Label.CENTER);
送出信息=new TextField(28);
確定.addActionListener(this);
送出信息.addActionListener(this);
刷新談話(huà)區(qū).addActionListener(this);
刷新私聊區(qū).addActionListener(this);
listComponent=new List();
listComponent.addActionListener(this);
privateChatList=new Choice();
privateChatList.add("大家(*)");
privateChatList.select(0);
add(談話(huà)顯示區(qū));
談話(huà)顯示區(qū).setBounds(10,10,(width-120)/2,(height-120));
add(私聊顯示區(qū));
私聊顯示區(qū).setBounds(10+(width-120)/2,10,(width-120)/2,(height-120));
add(listComponent);
listComponent.setBounds(10+(width-120),10,100,(height-160));
add(提示條);
提示條.setBounds(10+(width-120),10+(height-160),110,40);
Panel pSouth=new Panel();
pSouth.add(送出信息);
pSouth.add(確定);
pSouth.add(privateChatList);
pSouth.add(刷新談話(huà)區(qū));
pSouth.add(刷新私聊區(qū));
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()==確定||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("公共聊天內(nèi)容:"+name+"說(shuō):"+message);
}
else
{
out.writeUTF("私人聊天內(nèi)容:"+name+"悄悄地說(shuō):"+message+"#"+people);
}
}
catch(IOException event)
{
}
}
}
else if(e.getSource()==listComponent)
{
privateChatList.insert(listComponent.getSelectedItem(),0);
privateChatList.repaint();
}
else if(e.getSource()==刷新談話(huà)區(qū))
{
談話(huà)顯示區(qū).setText(null);
}
else if(e.getSource()==刷新私聊區(qū))
{
私聊顯示區(qū).setText(null);
}
}
public void run()
{
while(true)
{
String s=null;
try
{
s=in.readUTF();
if(s.startsWith("聊天內(nèi)容:"))
{
String content=s.substring(s.indexOf(":")+1);
談話(huà)顯示區(qū).append("\n"+content);
}
if(s.startsWith("私人聊天內(nèi)容:"))
{
String content=s.substring(s.indexOf(":")+1);
私聊顯示區(qū).append("\n"+content);
}
else if(s.startsWith("聊天者:"))
{
String people=s.substring(s.indexOf(":")+1,s.indexOf("性別"));
String sex=s.substring(s.indexOf("性別")+2);
listTable.put(people,people+"("+sex+")");
listComponent.add((String)listTable.get(people));
listComponent.repaint();
}
else if(s.startsWith("用戶(hù)離線(xiàn):"))
{
String awayPeopleName=s.substring(s.indexOf(":")+1);
listComponent.remove((String)listTable.get(awayPeopleName));
listComponent.repaint();
談話(huà)顯示區(qū).append("\n"+(String)listTable.get(awayPeopleName)+"離線(xiàn)");
listTable.remove(awayPeopleName);
}
Thread.sleep(5);
}
catch(IOException e)
{
listComponent.removeAll();
listComponent.repaint();
listTable.clear();
談話(huà)顯示區(qū).setText("和服務(wù)器的連接已中斷\n必須刷新瀏覽器才能再次聊天");
break;
}
catch(InterruptedException e)
{
}
}
}
}
ChatServer.java
import java.io.*;
import java.net.*;
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("正在監(jiān)聽(tīng)");
}
try {
you=server.accept();
InetAddress address=you.getInetAddress();
System.out.println("用戶(hù)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("性別"));
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+"性別"+sex);
if(th!=this)
{
out.writeUTF("聊天者:"+th.name+"性別"+th.sex);
}
}
}
else
{
out.writeUTF("不可以聊天:");
}
}
else if(s.startsWith("公共聊天內(nèi)容:"))
{
String message=s.substring(s.indexOf(":")+1);
Enumeration enum=peopleList.elements();
while(enum.hasMoreElements())
{
((Server_thread)enum.nextElement()).out.writeUTF("聊天內(nèi)容:"+message);
}
}
else if(s.startsWith("用戶(hù)離開(kāi):"))
{
Enumeration enum=peopleList.elements();
while(enum.hasMoreElements())
{ try
{
Server_thread th=(Server_thread)enum.nextElement();
if(th!=thisth.isAlive())
{
th.out.writeUTF("用戶(hù)離線(xiàn):"+name);
}
}
catch(IOException eee)
{
}
}
peopleList.remove(name);
socket.close();
System.out.println(name+"用戶(hù)離開(kāi)了");
break;
}
else if(s.startsWith("私人聊天內(nèi)容:"))
{
String 悄悄話(huà)=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("私人聊天內(nèi)容:"+悄悄話(huà));
}
else
{
out.writeUTF("私人聊天內(nèi)容:"+toPeople+"已經(jīng)離線(xiàn)");
}
}
}
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("用戶(hù)離線(xiàn):"+name);
}
}
catch(IOException eee)
{
}
}
peopleList.remove(name);
try
{
socket.close();
}
catch(IOException eee)
{
}
System.out.println(name+"用戶(hù)離開(kāi)了");
break;
}
}
}
}
import java.awt.*;
import java.io.*;
import java.net.*;
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 用戶(hù)提交昵稱(chēng)界面=null;
ChatArea 用戶(hù)聊天界面=null;
Hashtable listTable;
Label 提示條;
Panel north, center;
Thread thread;
public void init()
{
int width=getSize().width;
int height=getSize().height;
listTable=new Hashtable();
setLayout(new BorderLayout());
用戶(hù)提交昵稱(chēng)界面=new InputNameTextField(listTable);
int h=用戶(hù)提交昵稱(chēng)界面.getSize().height;
用戶(hù)聊天界面=new ChatArea("",listTable,width,height-(h+5));
用戶(hù)聊天界面.setVisible(false);
提示條=new Label("正在連接到服務(wù)器,請(qǐng)稍等...",Label.CENTER);
提示條.setForeground(Color.red);
north=new Panel(new FlowLayout(FlowLayout.LEFT));
center=new Panel();
north.add(用戶(hù)提交昵稱(chēng)界面);
north.add(提示條);
center.add(用戶(hù)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();
用戶(hù)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)
{
提示條.setText("連接失敗");
}
if(socket!=null)
{
InetAddress address=socket.getInetAddress();
提示條.setText("連接:"+address+"成功");
用戶(hù)提交昵稱(chēng)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(用戶(hù)提交昵稱(chēng)界面.get能否聊天()==true)
{
用戶(hù)聊天界面.setVisible(true);
用戶(hù)聊天界面.setName(用戶(hù)提交昵稱(chēng)界面.getName());
用戶(hù)聊天界面.setSocketConnection(socket,in,out);
提示條.setText("祝聊天愉快!");
center.validate();
break;
}
try
{
Thread.sleep(100);
}
catch(Exception e)
{
}
}
}
}
InputNameTextField。java
import java.awt.*;
import java.net.*;
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 進(jìn)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);
進(jìn)入聊天室=new Button("進(jìn)入");
退出聊天室=new Button("退出");
進(jìn)入聊天室.addActionListener(this);
退出聊天室.addActionListener(this);
thread=new Thread(this);
add(new Label("昵稱(chēng):"));
add(nameFile);
add(male);
add(female);
add(進(jìn)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()==進(jìn)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+"性別:"+sex);
}
catch(IOException ee)
{
nameFile.setText("沒(méi)有連通服務(wù)器"+ee);
}
}
}
}
if(e.getSource()==退出聊天室)
{
try
{
out.writeUTF("用戶(hù)離開(kāi):");
}
catch(IOException ee)
{
}
}
}
public void run()
{
String message=null;
while(true)
{
if(in!=null)
{
try
{
message=in.readUTF();
}
catch(IOException e)
{
nameFile.setText("和服務(wù)器斷開(kāi)"+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("該昵稱(chēng)已被占用");
}
}
}
}
客戶(hù)端：importjava.awt.BorderLayout;importjava.awt.Color;importjava.awt.GridLayout;importjava.awt.Toolkit;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjava.awt.event.WindowAdapter;importjava.awt.event.WindowEvent;importjava.io.BufferedReader;importjava.io.IOException;importjava.io.InputStreamReader;importjava.io.PrintWriter;importjava.net.Socket;importjava.util.HashMap;importjava.util.Map;importjava.util.StringTokenizer;importjavax.swing.DefaultListModel;importjavax.swing.JButton;importjavax.swing.JFrame;importjavax.swing.JLabel;importjavax.swing.JList;importjavax.swing.JOptionPane;importjavax.swing.JPanel;importjavax.swing.JScrollPane;importjavax.swing.JSplitPane;importjavax.swing.JTextArea;importjavax.swing.JTextField;importjavax.swing.border.TitledBorder;publicclassClient{privateJFrameframe;privateJListuserList;privateJTextAreatextArea;privateJTextFieldtextField;privateJTextFieldtxt_port;privateJTextFieldtxt_hostIp;privateJTextFieldtxt_name;privateJButtonbtn_start;privateJButtonbtn_stop;privateJButtonbtn_send;privateJPanelnorthPanel;privateJPanelsouthPanel;privateJScrollPanerightScroll;privateJScrollPaneleftScroll;privateJSplitPanecenterSplit;privateDefaultListModellistModel;privatebooleanisConnected=false;privateSocketsocket;privatePrintWriterwriter;privateBufferedReaderreader;privateMessageThreadmessageThread;//負(fù)責(zé)接收消息的線(xiàn)程privateMaponLineUsers=newHashMap();//所有在線(xiàn)用戶(hù)//主方法,程序入口publicstaticvoidmain(String[]args){newClient();}//執(zhí)行發(fā)送publicvoidsend(){if(!isConnected){JOptionPane.showMessageDialog(frame,"還沒(méi)有連接服務(wù)器，無(wú)法發(fā)送消息！","錯(cuò)誤",JOptionPane.ERROR_MESSAGE);return;}Stringmessage=textField.getText().trim();if(message==null||message.equals("")){JOptionPane.showMessageDialog(frame,"消息不能為空！","錯(cuò)誤",JOptionPane.ERROR_MESSAGE);return;}sendMessage(frame.getTitle()+"@"+"ALL"+"@"+message);textField.setText(null);}//構(gòu)造方法publicClient(){textArea=newJTextArea();textArea.setEditable(false);textArea.setForeground(Color.blue);textField=newJTextField();txt_port=newJTextField("719");txt_hostIp=newJTextField("127.0.0.1");txt_name=newJTextField("Lei");btn_start=newJButton("連接");btn_stop=newJButton("斷開(kāi)");btn_send=newJButton("發(fā)送");listModel=newDefaultListModel();userList=newJList(listModel);northPanel=newJPanel();northPanel.setLayout(newGridLayout(1,7));northPanel.add(newJLabel("端口"));northPanel.add(txt_port);northPanel.add(newJLabel("服務(wù)器IP"));northPanel.add(txt_hostIp);northPanel.add(newJLabel("姓名"));northPanel.add(txt_name);northPanel.add(btn_start);northPanel.add(btn_stop);northPanel.setBorder(newTitledBorder("連接信息"));rightScroll=newJScrollPane(textArea);rightScroll.setBorder(newTitledBorder("消息顯示區(qū)"));leftScroll=newJScrollPane(userList);leftScroll.setBorder(newTitledBorder("在線(xiàn)用戶(hù)"));southPanel=newJPanel(newBorderLayout());southPanel.add(textField,"Center");southPanel.add(btn_send,"East");southPanel.setBorder(newTitledBorder("寫(xiě)消息"));centerSplit=newJSplitPane(JSplitPane.HORIZONTAL_SPLIT,leftScroll,rightScroll);centerSplit.setDividerLocation(100);frame=newJFrame("客戶(hù)機(jī)");//更改JFrame的圖標(biāo)：//frame.setIconImage(Toolkit.getDefaultToolkit().createImage(Client.class.getResource("qq.png")));frame.setLayout(newBorderLayout());frame.add(northPanel,"North");frame.add(centerSplit,"Center");frame.add(southPanel,"South");frame.setSize(600,400);intscreen_width=Toolkit.getDefaultToolkit().getScreenSize().width;intscreen_height=Toolkit.getDefaultToolkit().getScreenSize().height;frame.setLocation((screen_width-frame.getWidth())/2,(screen_height-frame.getHeight())/2);frame.setVisible(true);//寫(xiě)消息的文本框中按回車(chē)鍵時(shí)事件textField.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventarg0){send();}});//單擊發(fā)送按鈕時(shí)事件btn_send.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){send();}});//單擊連接按鈕時(shí)事件btn_start.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){intport;if(isConnected){JOptionPane.showMessageDialog(frame,"已處于連接上狀態(tài)，不要重復(fù)連接!","錯(cuò)誤",JOptionPane.ERROR_MESSAGE);return;}try{try{port=Integer.parseInt(txt_port.getText().trim());}catch(NumberFormatExceptione2){thrownewException("端口號(hào)不符合要求!端口為整數(shù)!");}StringhostIp=txt_hostIp.getText().trim();Stringname=txt_name.getText().trim();if(name.equals("")||hostIp.equals("")){thrownewException("姓名、服務(wù)器IP不能為空!");}booleanflag=connectServer(port,hostIp,name);if(flag==false){thrownewException("與服務(wù)器連接失敗!");}frame.setTitle(name);JOptionPane.showMessageDialog(frame,"成功連接!");}catch(Exceptionexc){JOptionPane.showMessageDialog(frame,exc.getMessage(),"錯(cuò)誤",JOptionPane.ERROR_MESSAGE);}}});//單擊斷開(kāi)按鈕時(shí)事件btn_stop.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){if(!isConnected){JOptionPane.showMessageDialog(frame,"已處于斷開(kāi)狀態(tài)，不要重復(fù)斷開(kāi)!","錯(cuò)誤",JOptionPane.ERROR_MESSAGE);return;}try{booleanflag=closeConnection();//斷開(kāi)連接if(flag==false){thrownewException("斷開(kāi)連接發(fā)生異常！");}JOptionPane.showMessageDialog(frame,"成功斷開(kāi)!");}catch(Exceptionexc){JOptionPane.showMessageDialog(frame,exc.getMessage(),"錯(cuò)誤",JOptionPane.ERROR_MESSAGE);}}});//關(guān)閉窗口時(shí)事件frame.addWindowListener(newWindowAdapter(){publicvoidwindowClosing(WindowEvente){if(isConnected){closeConnection();//關(guān)閉連接}System.exit(0);//退出程序}});}/***連接服務(wù)器**@paramport*@paramhostIp*@paramname*/publicbooleanconnectServer(intport,StringhostIp,Stringname){//連接服務(wù)器try{socket=newSocket(hostIp,port);//根據(jù)端口號(hào)和服務(wù)器ip建立連接writer=newPrintWriter(socket.getOutputStream());reader=newBufferedReader(newInputStreamReader(socket.getInputStream()));//發(fā)送客戶(hù)端用戶(hù)基本信息(用戶(hù)名和ip地址)sendMessage(name+"@"+socket.getLocalAddress().toString());//開(kāi)啟接收消息的線(xiàn)程messageThread=newMessageThread(reader,textArea);messageThread.start();isConnected=true;//已經(jīng)連接上了returntrue;}catch(Exceptione){textArea.append("與端口號(hào)為："+port+"IP地址為："+hostIp+"的服務(wù)器連接失敗!"+"\r\n");isConnected=false;//未連接上returnfalse;}}/***發(fā)送消息**@parammessage*/publicvoidsendMessage(Stringmessage){writer.println(message);writer.flush();}/***客戶(hù)端主動(dòng)關(guān)閉連接*/@SuppressWarnings("deprecation")publicsynchronizedbooleancloseConnection(){try{sendMessage("CLOSE");//發(fā)送斷開(kāi)連接命令給服務(wù)器messageThread.stop();//停止接受消息線(xiàn)程//釋放資源if(reader!=null){reader.close();}if(writer!=null){writer.close();}if(socket!=null){socket.close();}isConnected=false;returntrue;}catch(IOExceptione1){e1.printStackTrace();isConnected=true;returnfalse;}}//不斷接收消息的線(xiàn)程classMessageThreadextendsThread{privateBufferedReaderreader;privateJTextAreatextArea;//接收消息線(xiàn)程的構(gòu)造方法publicMessageThread(BufferedReaderreader,JTextAreatextArea){this.reader=reader;this.textArea=textArea;}//被動(dòng)的關(guān)閉連接publicsynchronizedvoidcloseCon()throwsException{//清空用戶(hù)列表listModel.removeAllElements();//被動(dòng)的關(guān)閉連接釋放資源if(reader!=null){reader.close();}if(writer!=null){writer.close();}if(socket!=null){socket.close();}isConnected=false;//修改狀態(tài)為斷開(kāi)}publicvoidrun(){Stringmessage="";while(true){try{message=reader.readLine();StringTokenizerstringTokenizer=newStringTokenizer(message,"/@");Stringcommand=stringTokenizer.nextToken();//命令if(command.equals("CLOSE"))//服務(wù)器已關(guān)閉命令{textArea.append("服務(wù)器已關(guān)閉!\r\n");closeCon();//被動(dòng)的關(guān)閉連接return;//結(jié)束線(xiàn)程}elseif(command.equals("ADD")){//有用戶(hù)上線(xiàn)更新在線(xiàn)列表Stringusername="";StringuserIp="";if((username=stringTokenizer.nextToken())!=null(userIp=stringTokenizer.nextToken())!=null){Useruser=newUser(username,userIp);onLineUsers.put(username,user);listModel.addElement(username);}}elseif(command.equals("DELETE")){//有用戶(hù)下線(xiàn)更新在線(xiàn)列表Stringusername=stringTokenizer.nextToken();Useruser=(User)onLineUsers.get(username);onLineUsers.remove(user);listModel.removeElement(username);}elseif(command.equals("USERLIST")){//加載在線(xiàn)用戶(hù)列表intsize=Integer.parseInt(stringTokenizer.nextToken());Stringusername=null;StringuserIp=null;for(inti=0;i
import java.io.*;
import java.net.*;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;//引入包。
public class ChatClient {
public static void main(String[] args) {
ChatClient cc = new ChatClient();
cc.receive();
}
JTextField jtf; // 文本條
JTextArea jta; //文本域。
Socket s; //客戶(hù)端
PrintWriter out; //輸出流
BufferedReader in; //輸入流
public ChatClient() {
JFrame frame = new JFrame("ChatClient");//窗口
frame.setSize(400, 300); //大小
jta = new JTextArea(); //文本域
jta.setEditable(false); //不可編輯
jtf = new JTextField();//文件條
jtf.addActionListener(new ActionListener() { //添加監(jiān)聽(tīng)。
public void actionPerformed(ActionEvent arg0) {
send(); //調(diào)用send（）方法
}
});
frame.getContentPane().add(new JScrollPane(jta)); //添加滾動(dòng)條
frame.getContentPane().add(jtf, "South"); //添加文本條
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //關(guān)閉窗口。
frame.setVisible(true); //可顯示的。
try {
s = new Socket("127.0.0.1", 9000); //連接服務(wù)端 socket("主機(jī)名"，端口號(hào));
in = new BufferedReader(new InputStreamReader(s.getInputStream())); //建立輸入流
out = new PrintWriter(s.getOutputStream());//輸出流
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void receive() { //接受服務(wù)端發(fā)來(lái)別的客戶(hù)端的信息。
while (true) {
try {
String text = in.readLine(); //讀一行
this.jta.append(text + "\n"); //jta 添加上讀入的。
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return;
}
}
}
public void send() { //發(fā)送消息
String text = this.jtf.getText(); //得到你輸入的消息
this.jtf.setText(""); //在文本域中顯示你輸入的消息。
out.println(text); //打印出。
out.flush(); //清空
}
}
Server端
import java.net.*;
import java.io.*;
import java.util.*;//引入包
public class ChatServer {
public static void main(String[] args) throws Exception {
ServerSocket ss = new ServerSocket(9000); //建立服務(wù)端，端口號(hào)為9000
List list = new ArrayList(); //創(chuàng)建個(gè)List集合。
while (true) {
Socket s = ss.accept(); //等待客戶(hù)端的請(qǐng)求。
list.add(s); //把每一個(gè)client都add到集合中去。
Thread t = new ServerThread(s, list); //線(xiàn)程。
t.start(); //啟動(dòng)。
}
}
}
class ServerThread extends Thread {
Socket s;
List list;
BufferedReader in;
PrintWriter out;
public ServerThread(Socket s, List list) { //構(gòu)造。傳入socket和list。
this.s = s;
this.list = list;
try {
in = new BufferedReader(new InputStreamReader(s.getInputStream())); //輸入流
out = new PrintWriter(s.getOutputStream()); //輸出流
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void run() { //必須實(shí)現(xiàn)其run（）方法。
while (true) {
try {
String str = in.readLine(); //得到client端的message。
if (str == null) //如果沒(méi)有消息就返回。
return;
Iterator it = list.iterator(); //遍歷list。
while (it.hasNext()) { //如果list有下一個(gè)
Socket socket = (Socket) (it.next()); //因?yàn)閘ist中都是存的socket
PrintWriter o = new PrintWriter(socket.getOutputStream()); //輸出流
o.println(str); //輸出
o.flush(); //清空
}
} catch (IOException e) {
// TODO Auto-generated catch block
// e.printStackTrace();
return;
}
}
}
}
兩個(gè)類(lèi)，實(shí)現(xiàn)交互
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
public class MutiChat
{
public static void main(String[] args)
{
MutiChat mc = new MutiChat();
mc.receive().start();
mc.send().start();
}
/**
* 接收信息
*
* @return
*/
private Thread receive()
{
return new Thread()
{
public void run()
{
ServerSocket server_socket = null;
Socket sk = null;
BufferedReader in = null;
try
{
server_socket = new ServerSocket(7777);
sk = server_socket.accept();
in = new BufferedReader(new InputStreamReader(sk
.getInputStream()));
while (true)
{
String str = in.readLine();
System.out.println(str);
}
} catch (Exception e)
{
e.printStackTrace();
}
}
};
}
private Thread send()
{
return new Thread()
{
public void run()
{
Socket client_socket = null;
BufferedReader in = null;
PrintWriter out = null;
while (true)
{
try
{
client_socket = new Socket("127.0.0.1", 8888);
in = new BufferedReader(
new InputStreamReader(System.in));
out = new PrintWriter(new BufferedWriter(
new OutputStreamWriter(client_socket
.getOutputStream())), true);
while (true)
{
String str = in.readLine();
out.println(str);
}
} catch (Exception e)
{
try
{
Thread.sleep(1000);
} catch (Exception ex)
{
ex.printStackTrace();
}
}
}
}
};
}
}
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
public class MutiChat2
{
public static void main(String[] args)
{
MutiChat2 mc = new MutiChat2();
mc.receive().start();
mc.send().start();
}
/**
* 接收信息
*
* @return
*/
private Thread receive()
{
return new Thread()
{
public void run()
{
ServerSocket server_socket = null;
Socket sk = null;
BufferedReader in = null;
try
{
server_socket = new ServerSocket(8888);
sk = server_socket.accept();
in = new BufferedReader(new InputStreamReader(sk
.getInputStream()));
while (true)
{
String str = in.readLine();
System.out.println(str);
}
} catch (Exception e)
{
e.printStackTrace();
}
}
};
}
private Thread send()
{
return new Thread()
{
public void run()
{
Socket client_socket = null;
BufferedReader in = null;
PrintWriter out = null;
while (true)
{
try
{
client_socket = new Socket("127.0.0.1", 7777);
in = new BufferedReader(
new InputStreamReader(System.in));
out = new PrintWriter(new BufferedWriter(
new OutputStreamWriter(client_socket
.getOutputStream())), true);
while (true)
{
String str = in.readLine();
out.println(str);
}
} catch (Exception e)
{
try
{
Thread.sleep(1000);
} catch (Exception ex)
{
ex.printStackTrace();
}
}
}
}
};
}
}
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重慶分公司
