这是一个简单的
java版的QQ小程序。
包括一个简单的服务器和一个简单的客户端。
运行时，先运行服务器，然后在运行客户端，就可以进行聊天了。
默认的配置是localhost，端口4545，更改ip就可以在两天电脑上进行聊天了。
目前不支持内网和外网之间的访问，也不支持多人聊天。
因为这只是一个简单的例子，感兴趣的同学可以通过改进，实现多人聊天和内外网之间的访问。
效果图：
下载地址：http://download.csdn.net/source/2958843
源代码：
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QQServer.java
//axun @copy right
package axun.com;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class QQServer{
private JFrame f=new JFrame("QQ服务器端");
private JPanel pleft=new JPanel(new BorderLayout());
private JPanel pright=new JPanel();
private List list=new List();
private TextArea t1=new TextArea();
private TextArea t2=new TextArea();
private Button b=new Button("发送");
//一下是 网络通信用的变量
DataOutputStream dos=null;
BufferedReader br=null;
DataInputStream dis=null;
public QQServer(){
f.setSize(400,300);
f.setLayout(new BorderLayout());
f.add(pleft,BorderLayout.WEST);
f.add(pright,BorderLayout.CENTER);
pleft.add(list);
pright.setLayout(new GridLayout(3,1));
pright.add(t1);
pright.add(t2);
pright.add(b);
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
b.addActionListener(new bListener());
}
public void Addt1(String s){
t1.append(s);
}
public void addList(String s){
list.addItem(s);
}
public static void main(String[] args) throws Exception{
QQServer
server=new QQServer();
InputStream in=null;
OutputStream out=null;
String string=null;
ServerSocket ss=new ServerSocket(4545);
Socket s=null;
s=ss.accept();
server.addList(s.toString());
in=s.getInputStream();
out=s.getOutputStream();
server.dis=new DataInputStream(in);
server.dos=new DataOutputStream(out);
Listen1 l=new Listen1(server,server.dis);
Thread t=new Thread(l);
t.start();
}
class bListener implements ActionListener{
public void actionPerformed(ActionEvent e) {
try{
dos.writeUTF(t2.getText());
Addt1("发送："+"/n");
Addt1(" "+t2.getText()+"/n");
t2.setText("");
}catch(Exception ep){
Addt1("消息发送失败！/n");
}
}
}
}
class Listen1 implements Runnable{
private QQServer server=null;
private DataInputStream dis=null;
private String s=null;
Listen1(QQServer server,DataInputStream dis){
this.server=server;
this.dis=dis;
}
public void run() {
// TODO Auto-generated method stub
try{
while(true){
s=dis.readUTF();
server.Addt1("收到："+"/n");
server.Addt1(" "+s+"/n");
}
}catch(Exception e){
server.Addt1("Error!："+s+"/n");
}
}
}
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QQClient.java
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//axun @copy right
package axun.com;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class QQClient {
private JFrame f=new JFrame("QQ客户端");
private TextArea t1=new TextArea();
private TextArea t2=new TextArea();
private Button b=new Button("发送");
//一下是 网络通信用的变量
DataOutputStream dos=null;
BufferedReader br=null;
DataInputStream dis=null;
public void Addt1(String s){
t1.append(s);
}
public QQClient(){
f.setSize(400,300);
f.setLayout(new GridLayout(3,1));
t1.setEditable(false); //不可编辑
f.add(t1);
f.add(t2);
f.add(b);
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
b.addActionListener(new bListener());
}
public static void main(String[] args) throws Exception {
QQClient client=new QQClient();
InputStream in=null;
OutputStream out=null;
String string=null;
Socket s=new Socket("localhost",4545);
out=s.getOutputStream();
in=s.getInputStream();
client.dis=new DataInputStream(in);
client.dos=new DataOutputStream(out);
Listen2 l=new Listen2(client,client.dis);
Thread t=new Thread(l);
t.start();
}
class bListener implements ActionListener{
public void actionPerformed(ActionEvent e) {
try{
dos.writeUTF(t2.getText());
Addt1("发送："+"/n");
Addt1(" "+t2.getText()+"/n");
t2.setText("");
}catch(Exception ep){
}
}
}
}
class Listen2 implements Runnable{
private QQClient client=null;
private DataInputStream dis=null;
private String s=null;
Listen2(QQClient client,DataInputStream dis){
this.client=client;
this.dis=dis;
}
public void run() {
// TODO Auto-generated method stub
try{
while(true){
s=dis.readUTF();
client.Addt1("收到："+"/n");
client.Addt1(" "+s+"/n");
}
}catch(Exception e){
}
}
}
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最新内容请见作者的GitHub页：http://qaseven.github.io/
