clientrev.java

学习java编程的好程序

import java.awt.*;
import java.net.*;
import java.io.*;
import java.awt.event.*;
///这是一个客户端程序，主要是用来连接服务器，并且发送消息
///namebox是文本输入的组件用来显示姓名用的
/// info用来显示聊天的内容
/// reader1输出字符流
/// socket1客户端套接字对象
/// connect客户端的连接程序
public class clientrev extends Frame implements Runnable 
{
  private TextField namebox=new TextField("<名字>");
  private TextArea info=new TextArea();
  private TextField sendbox=new TextField();
  private BufferedReader reader1;
  private PrintWriter writer1;
  private Socket socket1;
  public clientrev(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
      {
        writer1.println(namebox.getText()+":"+sendbox.getText());
        sendbox.setText("");
      }
      catch(Exception e){}
    }
  });
  pack();
  
}
public void run()
{
  while(true)
  {
    try
    {
    info.append(reader1.readLine()+"\n");
  }
  catch(Exception e){}
  }
}
private void connect()
{
  try
  {
    info.append("尝试与服务器套接字连接\n");
    socket1=new Socket("127.0.0.1",6000);
    info.append("聊天准备完毕。");
    reader1=new BufferedReader(new InputStreamReader(socket1.getInputStream()));
    writer1=new PrintWriter(socket1.getOutputStream(),true);
     new Thread(this).start();
  }
  catch(Exception e){}
}
public static void main(String[] args)
{
  clientrev client=new clientrev("聊天");
  client.setVisible(true);
  client.connect(); 
}
}