聊天小程序的java代码 java聊天小程序课程设计代码
如何用java做一个聊天小程序 要求使用图形用户界面,可以实现一个聊天室中多人聊天,也可以两人私聊,
给你一个简单的实现吧，注意一定要先运行MyServer.java
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//MyCilent.java
import java.io.*;
import java.net.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class MyClient extends JFrame implements ActionListener{
JTextField tf;
JTextArea tx;
JButton bt;
PrintWriter out;
public MyClient(){
tf=new JTextField(20);
tx=new JTextArea();
tx.setLineWrap(true);
tx.setWrapStyleWord(true);
JPanel pan=new JPanel();
JScrollPane jsp=new JScrollPane(tx);
add(jsp,"Center");
bt=new JButton("SEND");
bt.addActionListener(this);
pan.add(tf);
pan.add(bt);
add(pan,"South");
this.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
});
setTitle("THE CLIENT");
setSize(400,300);
setVisible(true);
try{
Socket socket=new Socket("127.0.0.1",1680);
out=new PrintWriter(socket.getOutputStream(),true);
InputStreamReader in = new InputStreamReader(socket.getInputStream());
BufferedReader sin=new BufferedReader(in);
String s;
while(true){
s=sin.readLine();
tx.append("#Server Said#: "+s+"\n");
}
}catch(Exception e){
e.printStackTrace();
}
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==bt){
tx.append("@Client Said@: "+tf.getText()+"\n");
out.println(tf.getText());
tf.setText("");
}
}
public static void main(String[] args){
MyClient mct = new MyClient();
}
}
//MyServer.java
import java.io.*;
import java.net.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class MyServer extends JFrame implements ActionListener{
JTextField tf;
JTextArea tx;
JButton bt;
JScrollPane jsp;
JPanel pan;
PrintWriter out;
public MyServer(){
tx=new JTextArea();
tx.setLineWrap(true);
tx.setWrapStyleWord(true);
jsp=new JScrollPane(tx);
tf=new JTextField(20);
bt=new JButton("SEND");
bt.addActionListener(this);
pan=new JPanel();
pan.add(tf);
pan.add(bt);
add(pan,"South");
add(jsp,"Center");
this.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
});
setTitle("THE SERVER");
setSize(400,300);
setVisible(true);
try{
ServerSocket server = new ServerSocket(1680);
Socket socket = server.accept();
InputStreamReader in = new InputStreamReader(socket.getInputStream());
BufferedReader sin=new BufferedReader(in);
out=new PrintWriter(socket.getOutputStream(),true);
while(true){
String s=sin.readLine();
tx.append("@Client Said@: "+s+"\n");
}
}catch(Exception e){
e.printStackTrace();
}
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==bt){
String st = tf.getText();
tx.append("#Server Said#: "+st+"\n");
out.println(st);
tf.setText("");
}
}
public static void main(String[] args){
MyServer msr = new MyServer();
}
}
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.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.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();
}
}
}
java聊天小程序
不知道你为什么要用这个 流 DataInputStream sin = new DataInputStream(System.in);
你程序没反应是你读的时候一直阻塞着。你用 BufferedReader试试 肯定有反应。
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