Java为pcDuino制做简单局域网聊天软件

Lily · 发表于 2014-3-21 17:45

本帖最后由 Lily 于 2014-3-21 17:53 编辑

一、运行效果

运行服务端，修改客户端代码服务IP

二、源代码

服务端源代码?

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import java.net.*;
import java.util.*;
import java.io.*;
import java.awt.*;
import java.awt.event.*;

public class ChatServer extends Frame
{
TextArea ta = new TextArea();
public void launchFrame()
{
  add(ta, BorderLayout.CENTER);
  setBounds(0,0,200,300);
  this.addWindowListener(
new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
   System.exit(0);
}
}
);
  setVisible(true);
}

ServerSocket server = null;
Collection cClient = new ArrayList();

public ChatServer(int port) throws Exception
{
  server = new ServerSocket(port);
  launchFrame();
}

public void startServer() throws Exception
{
  while(true)
  {
Socket s = server.accept();
cClient.add( new ClientConn(s) );
ta.append("NEW-CLIENT " + s.getInetAddress() + ":" + s.getPort());
ta.append("\n" + "CLIENTS-COUNT: " + cClient.size() + "\n\n");
  }
}

class ClientConn implements Runnable
{
  Socket s = null;
  public ClientConn(Socket s)
  {
this.s = s;
(new Thread(this)).start();
  }

  public void send(String str) throws IOException
  {
DataOutputStream dos = new DataOutputStream(s.getOutputStream());
dos.writeUTF(str);
  }

  public void dispose()
  {
try {
if (s != null) s.close();
cClient.remove(this);
ta.append("A client out! \n");
ta.append("CLIENT-COUNT: " + cClient.size() + "\n\n");
}
catch (Exception e)
{
e.printStackTrace();
}
  }

  public void run()
  {
try {

DataInputStream dis = new DataInputStream(s.getInputStream());
String str = dis.readUTF();
while(str != null && str.length() !=0)
{
   System.out.println(str);
   for(Iterator it = cClient.iterator(); it.hasNext(); )
   {
   ClientConn cc = (ClientConn)it.next();
   if(this != cc)
   {
   cc.send(str);
   }
   }
   str = dis.readUTF();
   //send(str);
}
this.dispose();
}
catch (Exception e)
{
System.out.println("client quit");
this.dispose();
}

  }
}

public static void main(String[] args) throws Exception
{
  ChatServer cs = new ChatServer(8888);
  cs.startServer();
}
}

客户端源代码?

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import java.io.*;
import java.net.*;
import java.awt.*;
import java.awt.event.*;

public class ChatClient extends Frame
{
/**
   *
   */
private String ip="192.168.137.1";
private static final long serialVersionUID = 1L;
TextArea ta = new TextArea();
TextField tf = new TextField();
public void launchFrame() throws Exception
{
  this.add(ta, BorderLayout.CENTER);
  this.add(tf, BorderLayout.SOUTH);
  tf.setText("客户端:");
  tf.addActionListener(
new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
   try {
   String sSend = tf.getText();
   if(sSend.trim().length() == 0) return;
   ChatClient.this.send(sSend);
   tf.setText("客户端:");
   ta.append(sSend + "\n");
   }
   catch (Exception e) { e.printStackTrace(); }
}
}
);

  this.addWindowListener(
new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
   System.exit(0);
}
}
);
  setBounds(300,300,300,400);
  setVisible(true);
  tf.requestFocus();
}

Socket s = null;

public ChatClient() throws Exception
{
  s = new Socket(ip, 8888);
  launchFrame();
  (new Thread(new ReceiveThread())).start();
}

public void send(String str) throws Exception
{
  DataOutputStream dos = new DataOutputStream(s.getOutputStream());
  dos.writeUTF(str);
}

public void disconnect() throws Exception
{
  s.close();
}

public static void main(String[] args) throws Exception
{
  BufferedReader br = new BufferedReader (
      new InputStreamReader(System.in));
  ChatClient cc = new ChatClient();
  String str = br.readLine();
  while(str != null && str.length() != 0)
  {
cc.send(str);
str = br.readLine();
  }
  cc.disconnect();
}

class ReceiveThread implements Runnable
{
  public void run()
  {
if(s == null) return;
try {
DataInputStream dis = new DataInputStream(s.getInputStream());
String str = dis.readUTF();
while (str != null && str.length() != 0)
{
   //System.out.println(str);
   ChatClient.this.ta.append(str + "\n");
   str = dis.readUTF();
}
}
catch (Exception e)
{
e.printStackTrace();
}

  }
}
}

kevinzhang19701 · 发表于 2014-4-21 13:18

本帖最后由 kevinzhang19701 于 2014-4-21 13:42 编辑

{:soso_e181:}{:soso_e179:}有意思滴试验

顺便请教一下Java的程序拿什么来编译呢？{:soso_e183:}

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