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java所有聊天代碼 java聊天系統(tǒng)完整代碼

要JAVA聊天程序代碼，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點虐 .ServerSocket;

import java點虐 .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("你已經(jīng)連接到服務(wù)器"+"\t"+"你的地址："+ss.getInetAddress()+"\t"

+"你的鏈接端口："+ss.getLocalPort()+"\n");

new ReadMessage(din).start();

new SendMessage(dout).start();

}

catch (IOException e)

{

e.printStackTrace();

}

}

public static void main(String[] args)

{

new Server();

}

}

//接受客戶端信息

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()+"客戶端說："+str);

if (str.equals("bye"))

{

System.out.println("客戶端下線！");

break;

}

}

}

catch (IOException e)

{

e.printStackTrace();

}

}

}

// 發(fā)出服務(wù)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("服務(wù)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點虐 .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("服務(wù)器你好！我是客戶端");

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()+"服務(wù)器說："+str);

if (str.equals("bye"))

{

System.out.println("服務(wù)器已經(jīng)關(guān)閉，此程序自動退出！");

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("客戶端自己退出！");

System.exit(1);

}

}

}

catch (IOException e)

{

e.printStackTrace();

}

}

}

java多人聊天一般都是怎么搭建的？

Java多人聊天可以使用Java的Socket編程實現(xiàn)，主要的思路是：使用服務(wù)器來維護所有客戶端的連接，并將客戶端之間的聊天信息進行轉(zhuǎn)發(fā)。

具體的實現(xiàn)步驟如下：

創(chuàng)建服務(wù)器端：使用ServerSocket類創(chuàng)建一個服務(wù)器端，并監(jiān)聽指定的端口，等待客戶端的連接。

創(chuàng)建客戶端：使用Socket類創(chuàng)建一個客戶端，并連接到服務(wù)器端。

實現(xiàn)聊天功能：客戶端和服務(wù)器端之間可以通過輸入和輸出流進行通信，客戶端將聊天信息發(fā)送給服務(wù)器，服務(wù)器再將其轉(zhuǎn)發(fā)給其他客戶端。

處理異常：在實現(xiàn)聊天功能時，需要注意處理可能出現(xiàn)的異常，例如連接異常、輸入輸出異常等等。

一個簡單的Java多人聊天程序的代碼框架如下：

服務(wù)器端：

import java.io.IOException;

import java點虐 .ServerSocket;

import java點虐 .Socket;

import java.util.ArrayList;

public class ChatServer {

private ServerSocket serverSocket;

private ArrayListClientHandler clients;

public ChatServer(int port) throws IOException {

serverSocket = new ServerSocket(port);

clients = new ArrayListClientHandler();

System.out.println("服務(wù)器已啟動，等待客戶端連接...");

}

public void start() throws IOException {

while (true) {

Socket socket = serverSocket.accept();

ClientHandler client = new ClientHandler(socket, this);

clients.add(client);

client.start();

}

}

public void broadcast(String message) {

for (ClientHandler client : clients) {

client.sendMessage(message);

}

}

public void removeClient(ClientHandler client) {

clients.remove(client);

}

public static void main(String[] args) throws IOException {

ChatServer server = new ChatServer(12345);

server.start();

}

}

客戶端：

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java點虐 .Socket;

public class ChatClient {

private Socket socket;

private BufferedReader reader;

private PrintWriter writer;

private String name;

public ChatClient(String serverAddress, int port, String name) throws IOException {

socket = new Socket(serverAddress, port);

reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));

writer = new PrintWriter(socket.getOutputStream(), true);

this.name = name;

}

public void start() throws IOException {

System.out.println("歡迎來到聊天室！");

new Thread(new IncomingMessageHandler()).start();

new Thread(new OutgoingMessageHandler()).start();

}

private class IncomingMessageHandler implements Runnable {

@Override

public void run() {

try {

while (true) {

String message = reader.readLine();

if (message == null) {

break;

}

System.out.println(message);

}

} catch (IOException e) {

e.printStackTrace();

} finally {

close();

}

}

}

private class OutgoingMessageHandler implements Runnable {

@Override

public void run() {

BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

try {

while (true) {

String message = reader.readLine();

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

break;

}

writer.println(name + ": " + message);

}

} catch (IOException e) {

e.printStackTrace；

} finally {

close();

}

}

}

大家有沒有基于一對一聊天的最簡單的java聊天代碼

先運行服務(wù)端?再運行客戶端???就能對話了

服務(wù)端

package?Liaotian;

import?java.awt.*;

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點虐 .ServerSocket;

import?java點虐 .Socket;

import?java.text.SimpleDateFormat;

import?java.util.Date;

import?javax.swing.JPanel;

import?javax.swing.JScrollPane;

import?javax.swing.JTextArea;

public?class?fwjiemian?extends?Frame?implements?ActionListener{

JTextArea?lt;

TextField?sr;

Button?fs;

Panel?xia;

ServerSocket?ss;

Socket?s;

BufferedReader?br;

PrintWriter?pw;

BufferedReader?in;

public?fwjiemian(){

lt=new?JTextArea();

lt.setLineWrap(true);

sr=new?TextField();

fs=new?Button("發(fā)送");

xia=new?Panel(new?GridLayout(1,2));?

xia.add(sr);

xia.add(fs);

this.add(lt);

this.add(xia,BorderLayout.SOUTH);

this.setResizable(false);

this.setSize(400,?500);

this.setLocation(350,?100);

this.setTitle("服務(wù)器");

this.setVisible(true);

fs.addActionListener(this);

//創(chuàng)建客戶端+接受消息

try?{

lt.setFont(new???java.awt.Font("宋體",0,15));???

ss=new?ServerSocket(8888);

lt.append("服務(wù)器已啟動，等待客戶端接入..."+"\n"+"\n");

s=ss.accept();

lt.append("客戶端已接入..."+"\n"+"\n");

while(true){

//獲取時間

SimpleDateFormat?sm=new?SimpleDateFormat("HH:mm:ss");

System.out.println(sm.format(new?Date()));

//接受消息

br=new?BufferedReader(new?InputStreamReader(s.getInputStream()));

String?info=br.readLine();

lt.append("☆?客戶端："+info+"????"+sm.format(new?Date())+"\n"+"\n");

}

}?catch?(Exception?e)?{

e.printStackTrace();

}

}

public?static?void?main(String[]?args)?{

new?fwjiemian();

}

@Override

public?void?actionPerformed(ActionEvent?e)?{

if(e.getSource()==fs){

try?{

//獲取時間

SimpleDateFormat?sm=new?SimpleDateFormat("HH:mm:ss");

System.out.println(sm.format(new?Date()));

//發(fā)送消息

String?infotokehu=sr.getText();

pw=new?PrintWriter(s.getOutputStream(),true);

pw.println(infotokehu);

lt.setFont(new???java.awt.Font("宋體",0,15));???

lt.append("★?服務(wù)器："+infotokehu+"????"+sm.format(new?Date())+"\n"+"\n");

sr.setText("");

}?catch?(IOException?e1)?{

e1.printStackTrace();

}

}

}

}

客戶端

package?Liaotian;

import?java.awt.*;

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點虐 .ServerSocket;

import?java點虐 .Socket;

import?java.text.SimpleDateFormat;

import?java.util.Date;

import?javax.swing.JScrollPane;

import?javax.swing.JTextArea;

public?class?khjiemian?extends?Frame?implements?ActionListener{

JTextArea?lt;

TextField?sr;

Button?fs;

Panel?xia;

Socket?s;

PrintWriter?pw;

BufferedReader?br;

BufferedReader?in;

public?khjiemian(){

lt=new?JTextArea();

lt.setLineWrap(true);?

sr=new?TextField();

fs=new?Button("發(fā)送");

xia=new?Panel(new?GridLayout(1,2));?

xia.add(sr);

xia.add(fs);

this.add(lt);

this.add(xia,BorderLayout.SOUTH);

this.setResizable(false);

this.setSize(400,?500);

this.setLocation(800,?100);

this.setTitle("服務(wù)器");

this.setVisible(true);

fs.addActionListener(this);

//創(chuàng)建客戶端+接受消息

try?{

lt.setFont(new???java.awt.Font("宋體",0,15));???

s=new?Socket("127.0.0.1",8888);

lt.append("客戶端已啟動，等待接入服務(wù)器..."+"\n"+"\n");

lt.append("已接入服務(wù)器..."+"\n"+"\n");

while(true){

//獲取時間

SimpleDateFormat?sm=new?SimpleDateFormat("HH:mm:ss");

System.out.println(sm.format(new?Date()));

//接受消息

br=new?BufferedReader(new?InputStreamReader(s.getInputStream()));

String?info=br.readLine();

lt.append("★?服務(wù)器："+info+"????"+sm.format(new?Date())+"\n"+"\n");

}

}?catch?(Exception?e)?{

e.printStackTrace();

}?

}

public?static?void?main(String[]?args)?{

new?khjiemian();

}

public?void?actionPerformed(ActionEvent?w)?{

if(w.getSource()==fs){

try?{

//獲取時間

SimpleDateFormat?sm=new?SimpleDateFormat("HH:mm:ss");

System.out.println(sm.format(new?Date()));

//發(fā)消息

String?infotofuwu=sr.getText();

pw=new?PrintWriter(s.getOutputStream(),true);

pw.println(infotofuwu);

lt.setFont(new???java.awt.Font("宋體",0,15));???

lt.append("☆?客戶端："+infotofuwu+"????"+sm.format(new?Date())+"\n"+"\n");

sr.setText("");

}

?catch?(Exception?e)?{

e.printStackTrace();

}?

}

}

}


本文題目：java所有聊天代碼 java聊天系統(tǒng)完整代碼
轉(zhuǎn)載來于：http://weahome.cn/article/ddegpce.html

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