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急求一個(gè)JAVA編寫的局域網(wǎng)聊天代碼？不要求很復(fù)雜。只要可以在兩臺(tái)機(jī)子上簡單的對話就可以。

//以下引入包

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import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.io.*;

import java.net.*;

import java.applet.*;

public class regit extends JApplet implements ActionListener,ItemListener//接口

{

String s=null;

//對象的聲明

JLabel labelname,labelpass,labelsxe,labeladdress,labelmail,labelphone;//標(biāo)簽

JTextField textname,textaddress,textmail,textphone;//文本框

JRadioButton r1,r2;//單選按紐

ButtonGroup bg;//組

JPasswordField textpass;//密碼域

JButton buttonregit,buttonreset;//注冊按紐 重寫按紐

JPanel p;//面板

String sex;//定義性別字符串

URL url;//統(tǒng)一資源定位

BufferedWriter out1,out2;//流

BufferedReader in;

//布局方式

GridBagLayout gbl;

GridBagConstraints gc;

AppletContext co;//接口

//初始化

public void init()

{

//new 對象

labelname=new JLabel("用 戶 名:");

labelpass=new JLabel("用戶密碼:");

labelsxe=new JLabel("性別:");

labeladdress=new JLabel("地址:");

labelmail=new JLabel("電子郵件:");

labelphone=new JLabel("聯(lián)系電話:");

textname=new JTextField(15); textname.setForeground(Color.red);

textname.setToolTipText("請?jiān)谶@輸入你的用戶名");

textaddress=new JTextField(15);textaddress.setForeground(Color.red);

textaddress.setToolTipText("請?jiān)谶@輸入你的地址");

textmail=new JTextField(15); textmail.setForeground(Color.red);

textmail.setToolTipText("請?jiān)谶@里輸入你的E-mail地址");

textphone=new JTextField(15); textphone.setForeground(Color.red);

textphone.setToolTipText("請?jiān)谶@輸入你的電話號(hào)碼");

r1=new JRadioButton("男"); r1.setBackground(new Color(47,177,210));//設(shè)置顏色

r2=new JRadioButton("女"); r2.setBackground(new Color(47,177,210));//設(shè)置顏色

bg=new ButtonGroup();

bg.add(r1);bg.add(r2);//加入組,實(shí)現(xiàn)單選

textpass=new JPasswordField(15);

textpass.setToolTipText("在這里輸入密碼");

textpass.setForeground(Color.red);

buttonregit=new JButton("注冊"); buttonregit.setBackground(new Color(47,177,210));//設(shè)置顏色

buttonregit.setToolTipText("點(diǎn)擊按紐完成注冊");

buttonreset=new JButton("填寫"); buttonreset.setBackground(new Color(47,177,210));//設(shè)置顏色

buttonreset.setToolTipText("點(diǎn)擊按紐刷新重寫");

gbl=new GridBagLayout(); ///////////////////////////////////////

gc=new GridBagConstraints(); //////采用GridBagLayout布局方式////////

p=new JPanel();

p.setLayout(gbl);

p.setBackground(new Color(47,177,210));

this.getContentPane().add(p);//加入面板

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=2;

gc.gridy=2;

gbl.setConstraints(labelname,gc);

p.add(labelname);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=4;

gc.gridy=2;

gbl.setConstraints(textname,gc);

p.add(textname);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=2;

gc.gridy=4;

gbl.setConstraints(labelpass,gc);

p.add(labelpass);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=4;

gc.gridy=4;

gbl.setConstraints(textpass,gc);

p.add(textpass);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=2;

gc.gridy=6;

gbl.setConstraints(labelsxe,gc);

p.add(labelsxe);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=4;

gc.gridy=6;

gbl.setConstraints(r1,gc);

p.add(r1);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=5;

gc.gridy=6;

gbl.setConstraints(r2,gc);

p.add(r2);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=2;

gc.gridy=8;

gbl.setConstraints(labeladdress,gc);

p.add(labeladdress);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=4;

gc.gridy=8;

gbl.setConstraints(textaddress,gc);

p.add(textaddress);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=2;

gc.gridy=10;

gbl.setConstraints(labelmail,gc);

p.add(labelmail);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=4;

gc.gridy=10;

gbl.setConstraints(textmail,gc);

p.add(textmail);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=2;

gc.gridy=12;

gbl.setConstraints(labelphone,gc);

p.add(labelphone);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=4;

gc.gridy=12;

gbl.setConstraints(textphone,gc);

p.add(textphone);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=2;

gc.gridy=16;

gbl.setConstraints(buttonregit,gc);

p.add(buttonregit);

gc.anchor=GridBagConstraints.NORTHWEST;

gc.gridx=4;

gc.gridy=16;

gbl.setConstraints(buttonreset,gc);

p.add(buttonreset);

/////////////////////////////////////////////

co=this.getAppletContext();

/////////////////////////////////////////////

buttonregit.addActionListener(this);//按紐事件的監(jiān)聽

buttonreset.addActionListener(this);//按紐事件的監(jiān)聽

r1.addItemListener(this);//選擇事件的監(jiān)聽

r2.addItemListener(this);//選擇事件的監(jiān)聽

textphone.addActionListener(this);

}

public void actionPerformed(ActionEvent e)

{

//注冊按紐事件

if(e.getSource()==buttonregit)

{

String s1=textname.getText(); ////////////////////

String s2=new String(textpass.getPassword());////////////////////

String s3=textaddress.getText(); // 定義字符串 //

String s4=textmail.getText(); ////////////////////

String s5=textphone.getText(); ////////////////////

//判斷注冊資料 信息 是否為空

if(s1.length()==0 || s2.length()==0 ||s3.length()==0 ||s4.length()==0 ||s5.length()==0)

{

int error=JOptionPane.INFORMATION_MESSAGE;

JOptionPane.showMessageDialog(null,"資料不能為空，請重新注冊！","【溫馨提示】",error);

return;//彈出對話框并返回

}

try//寫入到txt文件

{

in=new BufferedReader(new FileReader("d:\\迷離視線聊天室\\password.txt"));

}

catch(Exception ee){}

String ss=s1;

try

{

while((s=in.readLine())!=null)

{

if(s.startsWith(ss))

{

JOptionPane.showMessageDialog(null,"用戶名已經(jīng)存在，請更換名字！");

textname.setText("");//設(shè)置為空，重新輸入

textpass.setText("");

textaddress.setText("");

textmail.setText("");

textphone.setText("");

return;

}

}

}

catch(Exception ee){}

///////////////////////////以上代碼判斷是否有同名

{

try

{

out1=new BufferedWriter(new FileWriter("d:\\迷離視線聊天室\\password.txt",true));

out2=new BufferedWriter(new FileWriter("d:\\迷離視線聊天室\\message.txt",true));

}//創(chuàng)建文件

catch(Exception ee)

{}

try

{

out1.write(s1+"#"+s2);//寫

out1.newLine();

out2.write("用戶名："+s1);

out2.newLine();

out2.write("密碼："+s2);

out2.newLine();

out2.write("性別："+sex);

out2.newLine();

out2.write("地址："+s3);

out2.newLine();

out2.write("電子郵件："+s4);

out2.newLine();

out2.write("電話："+s5);

out2.newLine();

out1.flush();

out2.flush();//清理緩沖

out1.close();

out2.close();

}

catch(Exception ee)

{}

JOptionPane.showMessageDialog(null,"注冊成功！");

try

{

String qss="";

url=new url(/qss);//連接上網(wǎng)址

co.showDocument(url);

}

catch(Exception exx)

{}

}

}

//////////////////////以下為回車事件

if(e.getSource()==textphone)

{

String s1=textname.getText(); ////////////////////

String s2=new String(textpass.getPassword());////////////////////

String s3=textaddress.getText(); // 定義字符串 //

String s4=textmail.getText(); ////////////////////

String s5=textphone.getText(); ////////////////////

//判斷注冊資料 信息 是否為空

if(s1.length()==0 || s2.length()==0 ||s3.length()==0 ||s4.length()==0 ||s5.length()==0)

{

int error=JOptionPane.INFORMATION_MESSAGE;

JOptionPane.showMessageDialog(null,"資料不能為空，請重新注冊！","【溫馨提示】",error);

return;//彈出對話框并返回

}

try//寫入到txt文件

{

in=new BufferedReader(new FileReader("d:\\迷離視線聊天室\\password.txt"));

}

catch(Exception ee){}

String ss=s1;

try

{

while((s=in.readLine())!=null)

{

if(s.startsWith(ss))

{

JOptionPane.showMessageDialog(null,"用戶名已經(jīng)存在，請更換名字！");

textname.setText("");//設(shè)置為空，重新輸入

textpass.setText("");

textaddress.setText("");

textmail.setText("");

textphone.setText("");

return;

}

}

}

catch(Exception ee){}

///////////////////////////以上代碼判斷是否有同名

{

try

{

out1=new BufferedWriter(new FileWriter("d:\\迷離視線聊天室\\password.txt",true));

out2=new BufferedWriter(new FileWriter("d:\\迷離視線聊天室\\message.txt",true));

}//創(chuàng)建文件

catch(Exception ee)

{}

try

{

out1.write(s1+"#"+s2);//寫

out1.newLine();

out2.write("用戶名："+s1+"密碼："+s2+"性別："+sex+"地址："+s3+"電子郵件："+s4+"電話："+s5);//寫

out2.newLine();

out1.flush();

out2.flush();//清理緩沖

out1.close();

out2.close();

}

catch(Exception ee)

{}

JOptionPane.showMessageDialog(null,"注冊成功！");

try

{

String qss="";

url=new url(/qss);//連接上網(wǎng)址

co.showDocument(url);

}

catch(Exception exx)

{}

}

}

if(e.getSource()==buttonreset)//刷新重寫事件

{

textname.setText("");

textpass.setText("");

textaddress.setText("");

textmail.setText("");

textphone.setText("");

}

}

//////////////////////////////////////////

//

public void itemStateChanged(ItemEvent ex)

{

if(ex.getSource()==r1)

{

sex=new String("男");

}

else if(ex.getSource()==r2)

{

sex=new String("女");

}

}

}

參考資料：試試看,剛在網(wǎng)上找的

要JAVA聊天程序代碼，急用

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.net.ServerSocket;

import java.net.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.net.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(dòng)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如何實(shí)現(xiàn)一對一聊天？謝謝了。

WebSocket 是 HTML5 開始提供的一種在單個(gè) TCP 連接上進(jìn)行全雙工通訊的協(xié)議。

WebSocket 使得客戶端和服務(wù)器之間的數(shù)據(jù)交換變得更加簡單，允許服務(wù)端主動(dòng)向客戶端推送數(shù)據(jù)。在 WebSocket API 中，瀏覽器和服務(wù)器只需要完成一次握手，兩者之間就直接可以創(chuàng)建持久性的連接，并進(jìn)行雙向數(shù)據(jù)傳輸。

在 WebSocket API 中，瀏覽器和服務(wù)器只需要做一個(gè)握手的動(dòng)作，然后，瀏覽器和服務(wù)器之間就形成了一條快速通道。兩者之間就直接可以數(shù)據(jù)互相傳送。

急需一個(gè)java編程實(shí)現(xiàn)的簡單聊天窗口代碼

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import java.net.*;

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); //文本域只讀

JScrollPane sp=new JScrollPane(ta); //滾動(dòng)窗格

JTextField tf=new JTextField(20);

JButton b=new JButton("發(fā)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"); //添加到文本域并換行

try{

bos.write(message.getBytes());

bos.flush();

}catch(Exception ex){

System.out.println("發(fā)送失敗");

}

}

}

}

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.net.*;

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，第一個(gè)參數(shù)為行數(shù)，第二個(gè)參數(shù)為列數(shù)

ta.setEditable(false); //文本域只讀

JScrollPane sp=new JScrollPane(ta); //滾動(dòng)窗格

JTextField tf=new JTextField(20);

JButton b=new JButton("發(fā)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連接...\n");

socket=server.accept();

//ta.append("AA已連接\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(); //獲取文本框中的內(nèi)容

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

tf.setText(""); //清空文本框

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

try{

bos.write(message.getBytes());

bos.flush();

}catch(Exception ex){

System.out.println("發(fā)送失敗！");

}

}

}

}

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();

}

}

}

名稱欄目：java什么代碼可以聊天 用java編寫聊天程序
文章起源：http://www.dlmjj.cn/article/hissoj.html