java版的QQ小程序（2011/1/3）

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：

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"); } } }

 

QQClient.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.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){ } } }