jqclient.java~1~

利用Java平台开发的一款模仿qq聊天功能的即时通讯软件。

package jq;

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

//这是一个客户端程序，类JQClient是用来连接服务器，并且实现消息的发送和接收
public class JQClient extends Frame implements Runnable{
    private TextField namebox=new TextField("<姓名>");
    private TextArea info=new TextArea();
    private TextField sendbox= new TextField();
    private BufferedReader reader;
    private PrintWriter writer;
    public JQClient(String title)
    {
      super(title);
      info.setEditable(false);
      add(namebox,"North");
      add(info,"Center");
      add(sendbox,"South");
      sendbox.addActionListener(new ActionListener(){
          public void actionPerformed(ActionEvent ae)
          {
            try
            {
              writer.println(namebox.getText()+":"+sendbox.getText());
              sendbox.setText("  ");
            }
            catch(Exception e){}
          }
      });
      pack();
    }
    public void run()
    {
      while(true)
      {
        try
        {
          info.append(reader.readLine()+"\n");
        }
        catch(Exception e){}
      }
    }
    private void content()
    {
      try
      {
        info.append("尝试与服务器套接字连接\n");
        Socket socket1= new Socket("127.0.0.1",6000);
        info.append("聊天准备完毕。");
        reader=new BufferedReader(new InputStreamReader(socket1.getInputStream()));
        writer=new PrintWriter(socket1.getOutputStream(),true);
        new Thread(this).start();
      }
      catch(Exception e){}
    }
    public static void main(String[] args) {
        JQClient client = new JQClient("JQ聊天程序");
        client.setVisible(true);
        client.content();
    }
}