socket JAVA 源代码

很久以前做的了，启动程序两次，在单选框中选服务器点连接(一定要先点服务器-连接)，在在另外一个界面中选客户端点连接；

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import java.awt.Color;

import java.awt.Container;

import java.awt.Font;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.net.InetAddress;

import java.net.ServerSocket;

import java.net.Socket;

import java.util.Date;

import javax.swing.ButtonGroup;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JRadioButton;

import javax.swing.JTextArea;

import javax.swing.JTextField;

public class QQ extends JFrame implements ActionListener{

public static void main(String args[]){

QQ qq=new QQ();

}

String input;

ServerSocket ss;

Socket s1,s2;

PrintWriter pw;

BufferedReader br;

private server s;

private client cc;

private JLabel l1,l2,l3,l4,l5;

private JRadioButton jb[]=new JRadioButton[2];

private JTextField jf1,jf2,jf3;

private JButton j1,j2,j3;

private JTextArea ja;

public QQ(){

super("聊天");

Container c=getContentPane();

c.setLayout(null);

l1=new JLabel("TCP通信程序");

l1.setFont(new Font("宋体",Font.BOLD,16));

l1.setBackground(Color.black);

l1.setSize(2000,20);

l1.setLocation(10,10);

c.add(l1);

String str1[]={"服务端","客户端"};

ButtonGroup bg=new ButtonGroup();

for(int x=0;xstr1.length;x++)

{

jb[x]=new JRadioButton(str1[x]);

jb[x].setFont(new Font("宋体",Font.BOLD,15));

jb[x].setForeground(Color.black);

jb[x].setSize(80,40);

jb[x].setLocation(10+x*80,37);

bg.add(jb[x]);

c.add(jb[x]);

}

jb[0].setSelected(true);

l2=new JLabel("连接主机IP");

l2.setFont(new Font("宋体",Font.BOLD,16));

l2.setBackground(Color.black);

l2.setSize(120,20);

l2.setLocation(20, 80);

c.add(l2);

jf1=new JTextField("127.0.0.1");

jf1.setSize(220,30);

jf1.setLocation(120, 80);

c.add(jf1);

jf3=new JTextField("离线");

jf3.setSize(150,30);

jf3.setLocation(280, 40);

c.add(jf3);

l5=new JLabel("连接状态：");

l5.setFont(new Font("宋体",Font.BOLD,16));

l5.setBackground(Color.black);

l5.setSize(120,20);

l5.setLocation(200, 47);

c.add(l5);

j1=new JButton("连接");

j1.setSize(110,20);

j1.setLocation(360,85);

j1.addActionListener(this);

c.add(j1);

l3=new JLabel("接收到的信息");

l3.setFont(new Font("宋体",Font.BOLD,16));

l3.setBackground(Color.black);

l3.setSize(120,20);

l3.setLocation(20, 130);

c.add(l3);

ja=new JTextArea();

ja.setSize(250,200);

ja.setLocation(130, 130);

c.add(ja);

l4=new JLabel("发送信息");

l4.setFont(new Font("宋体",Font.BOLD,16));

l4.setBackground(Color.black);

l4.setSize(120,20);

l4.setLocation(20, 340);

c.add(l4);

jf2=new JTextField("gf");

jf2.setSize(220,30);

jf2.setLocation(120, 340);

c.add(jf2);

j2=new JButton("发送信息");

j2.setSize(110,20);

j2.setLocation(360,350);

j2.addActionListener(this);

c.add(j2);

j3=new JButton("结束连接");

j3.setSize(110,20);

j3.setLocation(360,110);

j3.addActionListener(this);

c.add(j3);

s=new server();

cc=new client();

j3.setEnabled(false);

j2.setEnabled(false);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setSize(500,450);

setVisible(true);

setLocation(300,300);

}

public void actionPerformed(ActionEvent e) {

// TODO 自动生成方法存根

if(e.getSource()==j1)

{

try{

if(jb[0].isSelected()==true)

{

input="";

s.start();

}

else {

input="";

cc.start();

}

}

catch(Exception ee)

{

jf3.setText("发生错误");

}

}

if(e.getSource()==j2)

{

pw.write(jf2.getText()+"\n");

pw.flush();

}

if(e.getSource()==j3)

{

try

{

if(jb[0].isSelected()==true)

{ s1.close();

jf3.setText("离线");

j2.setEnabled(false);

j3.setEnabled(false);

}

else

{

s2.close();

jf3.setText("离线");

j2.setEnabled(false);

j3.setEnabled(false);

}

}

catch (Exception e1) {

// TODO 自动生成 catch 块

}

}

}

class server extends Thread{

public void run(){

try {

j1.setEnabled(false);

jf3.setText("正在连接中@");

ss=new ServerSocket(4000);

s1=ss.accept();

br=new BufferedReader(new InputStreamReader(s1.getInputStream()));

pw=new PrintWriter(s1.getOutputStream(),true);

// bs=new BufferedOutputStream(os);

while(true){

if(ss.isBound()==true){

jf3.setText("连接成功");

j2.setEnabled(true);

j3.setEnabled(true);

break;

}

}

while(true)

{

input=br.readLine();

if(input.length()0){

ja.append(input);

ja.append("\n");

}

}

} catch (Exception e) {

// TODO 自动生成 catch 块

}

}

}

class client extends Thread{

public void run(){

try {

j1.setEnabled(false);

jf3.setText("正在连接中@");

s2=new Socket(InetAddress.getByName(jf1.getText()),4000);

// s2=new Socket();

// s2.connect(new InetSocketAddress(jf1.getText(),21),1000);

br=new BufferedReader(new InputStreamReader(s2.getInputStream()));

pw=new PrintWriter(s2.getOutputStream(),true);

// bs=new BufferedOutputStream(os);

while(true){

if(s2.isConnected()==true){

jf3.setText("连接成功");

j2.setEnabled(true);

j3.setEnabled(true);

break;

}

}

input="";

while(true){

input=br.readLine();

if(input.length()0)

{

ja.append(input);

}

}

} catch (Exception e) {

// TODO 自动生成 catch 块

}

}

}

}

用JAVA 编写简单网络聊天程序

/**

* 基于UDP协议的聊天程序

*

* 2007.9.18

* */

//导入包

import java.awt.*;

import java.awt.event.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.*;

import java.net.*;

public class Chat extends JFrame implements ActionListener

{

//广播地址或者对方的地址

public static final String sendIP = "172.18.8.255";

//发送端口9527

public static final int sendPort = 9527;

JPanel p = new JPanel();

List lst = new List(); //消息显示

JTextField txtIP = new JTextField(18); //填写IP地址

JTextField txtMSG = new JTextField(20); //填写发送消息

JLabel lblIP = new JLabel("IP地址:");

JLabel lblMSG = new JLabel("消息:");

JButton btnSend = new JButton("发送");

byte [] buf;

//定义DatagramSocket的对象必须进行异常处理

//发送和接收数据报包的套接字

DatagramSocket ds = null;

//=============构造函数=====================

public Chat()

{

CreateInterFace();

//注册消息框监听器

txtMSG.addActionListener(this);

btnSend.addActionListener(this);

try

{

//端口:9527

ds =new DatagramSocket(sendPort);

}

catch(Exception ex)

{

ex.printStackTrace();

}

//============接受消息============

//匿名类

new Thread(new Runnable()

{

public void run()

{

byte buf[] = new byte[1024];

//表示接受数据报包

while(true)

{

try

{

DatagramPacket dp = new DatagramPacket(buf,1024,InetAddress.getByName(txtIP.getText()),sendPort);

ds.receive(dp);

lst.add("【消息来自】◆" + dp.getAddress().getHostAddress() + "◆"+"【说】:" + new String (buf,0,dp.getLength()) /*+ dp.getPort()*/,0);

}

catch(Exception e)

{

if(ds.isClosed())

{

e.printStackTrace();

}

}

}

}

}).start();

//关闭窗体事件

this.addWindowListener(new WindowAdapter()

{

public void windowClosing(WindowEvent w)

{

System.out.println("test");

int n=JOptionPane.showConfirmDialog(null,"是否要退出?","退出",JOptionPane.YES_NO_OPTION);

if(n==JOptionPane.YES_OPTION)

{

dispose();

System.exit(0);

ds.close();//关闭ds对象//关闭数据报套接字

}

}

});

}

//界面设计布局

public void CreateInterFace()

{

this.add(lst,BorderLayout.CENTER);

this.add(p,BorderLayout.SOUTH);

p.add(lblIP);

p.add(txtIP);

p.add(lblMSG);

p.add(txtMSG);

p.add(btnSend);

txtIP.setText(sendIP);

//背景颜色

lst.setBackground(Color.yellow);

//JAVA默认风格

this.setUndecorated(true);

this.getRootPane().setWindowDecorationStyle(JRootPane.FRAME);

this.setSize(600,500);

this.setTitle("〓聊天室〓");

this.setResizable(false);//不能改变窗体大小

this.setLocationRelativeTo(null);//窗体居中

this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);

this.setVisible(true);

txtMSG.requestFocus();//消息框得到焦点

}

//===============================Main函数===============================

public static void main(String[]args)

{

new Chat();

}

//================================发送消息===============================

//消息框回车发送消息事件

public void actionPerformed(ActionEvent e)

{

//得到文本内容

buf = txtMSG.getText().getBytes();

//判断消息框是否为空

if (txtMSG.getText().length()==0)

{

JOptionPane.showMessageDialog(null,"发送消息不能为空","提示",JOptionPane.WARNING_MESSAGE);

}

else{

try

{

InetAddress address = InetAddress.getByName(sendIP);

DatagramPacket dp = new DatagramPacket(buf,buf.length,InetAddress.getByName(txtIP.getText()),sendPort);

ds.send(dp);

}

catch(Exception ex)

{

ex.printStackTrace();

}

}

txtMSG.setText("");//清空消息框

//点发送按钮发送消息事件

if(e.getSource()==btnSend)

{

buf = txtMSG.getText().getBytes();

try

{

DatagramPacket dp = new DatagramPacket(buf,buf.length,InetAddress.getByName(txtIP.getText()),sendPort);

}

catch(Exception ex)

{

ex.printStackTrace();

}

txtMSG.setText("");//清空消息框

txtMSG.requestFocus();

}

}

}

求JAVA webQQ在线聊天源码

客户端源代码

import java.net.Socket;

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.BufferedReader;

import java.io.InputStreamReader;

public class socketClient

{

private DataOutputStream output;

private DataInputStream input;

private String clientName;

public static void main(String[] args)

{

//在main函数中，启动服务器的socket

new socketClient().ConnectServer();

}

public void ConnectServer()

{

try

{

Socket socket = new Socket("127.0.0.1",10001);

clientName = socket.getInetAddress().toString();

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

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

new readServer().start();

new writeServer().start();

}

catch(Exception e) {System.out.println(e.toString());}

}

public class readServer extends Thread

{

private Socket client;

public void run()

{

String msg;

try

{

while(true)

{

msg = input.readUTF();

if(msg!=null)

System.out.println("收到消息：【"+clientName+"】 "+msg);

}

}

catch(Exception e) {System.out.println(e.toString());}

}

}

public class writeServer extends Thread

{

private Socket client;

public void run()

{

try

{

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

String userInput;

while(true)

{

if(stdIn.ready())

{

userInput = stdIn.readLine();

if(userInput!="exit")

{

output.writeUTF(userInput);

System.out.println("已发送消息给【"+clientName+"】"+userInput);

}

}

}

}

catch(Exception e) {System.out.println(e.toString());}

}

}

}

服务器源代码

import java.net.ServerSocket;

import java.net.Socket;

import java.util.ArrayList;

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.BufferedReader;

import java.io.InputStreamReader;

public class socketServer

{

ArrayList clientList = new ArrayList();

//private DataOutputStream output;

//private DataInputStream input;

//private String clientName;

//private Socket socket;

public static void main(String[] args)

{

//在main函数中，启动服务器的socket

new socketServer().OpenServer();

}

public void OpenServer()

{

try

{

ServerSocket server = new ServerSocket(10001);

Socket socket;

while((socket = server.accept())!=null)

{

clientList.add(socket);

//clientName = socket.getInetAddress().toString();

//output = new DataOutputStream(socket.getOutputStream());

//input = new DataInputStream(socket.getInputStream());

new readClient(socket).start();

new writeClient(socket).start();

}

}

catch(Exception e) {System.out.println(e.toString());}

}

public class readClient extends Thread

{

private Socket socket;

public readClient(Socket client)

{socket = client;}

public void run()

{

String msg;

try

{

String clientName = socket.getInetAddress().toString();

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

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

while((msg = input.readUTF())!=null)

{

System.out.println("收到消息：【"+clientName+"】 "+msg);

}

}

catch(Exception e){System.out.println(e.toString());}

}

}

public class writeClient extends Thread

{

private Socket socket;

public writeClient(Socket client)

{socket = client;}

public void run()

{

try{

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

String userInput;

String clientName = socket.getInetAddress().toString();

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

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

while(true)

{

if(stdIn.ready())

{

userInput = stdIn.readLine();

if(userInput!="exit")

{

output.writeUTF(userInput);

System.out.println("已发送消息给【"+clientName+"】"+userInput);

}

}

}

}

catch(Exception e) {System.out.println(e.toString());}

}

}

}

谁知道简单的聊天程序源代码（Android的）

代码如下:

package com.neusoft.edu.socket;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.net.ServerSocket;

import java.net.Socket;

/**

* 服务器端代码

* 获取客户端发送的信息，显示并且返回对应的回复

* 1、创建ServerSocket对象

* 2、调用accept方法获取客户端连接

* 3、使用输入流读取客户端发送的数据

* 4、使用输出流向客户端写入数据

* 5、关闭对应的对象

* @author L

*

*/

public class ChatServer {

/**

* @param args

*/

public static void main(String[] args) {

try {

//1、创建ServerSocket对象,8875为自定义端口号

ServerSocket server = new ServerSocket(8857);

//简单提示

System.out.println("等待客户端连接……");

//2、获取客户端连接

Socket client = server.accept();

//获取客户端的相关信息

System.out.println(client.getInetAddress().getHostAddress() + "连接上来了……");

//3.1、定义输入流和输出流对象

BufferedReader in = new BufferedReader(

new InputStreamReader(

client.getInputStream()));

//用来获取从控制台输入的数据，将该数据发送给客户端

BufferedReader inByServer = new BufferedReader(

new InputStreamReader(System.in));

PrintWriter out = new PrintWriter(client.getOutputStream(), true);

//读取到的数据

String data = null;

String answer = null;

//循环和客户端进行通信

do

{

//3.2、读取客户端发送的数据

data = in.readLine();

//在服务器端显示读取到的数据

System.out.println("客户端发送信息：" + data);

//获取服务器端要发送给客户端的信息

System.out.print("服务器端回复客户端：");

answer = inByServer.readLine();

//3.3、将数据写入到客户端

out.println(answer);

out.flush();

}while(!"bye".equals(data));

//4、关闭相关资源

out.flush();

in.close();

inByServer.close();

out.close();

//关闭Socket对象

client.close();

server.close();

System.out.println("服务器端关闭……");

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

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