java 简单的局域网聊天（带界面）Client

<span style="font-size:18px;">import javax.swing.*;
import java.io.*;
import java.net.*;
import java.awt.event.*;
public class MyClient3 extends JFrame implements ActionListener{
JTextArea jta=null;
JTextField jtf=null;
JPanel jp1=null;
JButton jb1=null;
JScrollPane jsp=null;

PrintWriter pw=null;
public static void main(String[] args) {
// TODO Auto-generated method stub
MyClient3 mc=new MyClient3();
}
public MyClient3(){
jta=new JTextArea();
jsp=new JScrollPane(jta);
jtf=new JTextField(20);
jb1=new JButton("发送");
jb1.addActionListener(this);

jp1=new JPanel();
jp1.add(jtf);
jp1.add(jb1);
this.add(jsp,"Center");
this.add(jp1, "South");

this.setSize(400,300);
this.setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setTitle("客户端");

try {
Socket s=new Socket("100.95.248.13", 9999);

InputStreamReader isr=new InputStreamReader(s.getInputStream());
BufferedReader br=new BufferedReader(isr);

pw=new PrintWriter(s.getOutputStream(),true);
while(true)
{
String info=br.readLine();
jta.append("————————服务器————————\r\n"+info+"\r\n");
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getSource()==jb1)
{
String info=jtf.getText();

//把客户端发送的信息追加到jta
jta.append("————————客户端————————\r\n"+info+"\r\n");
pw.println(":"+info);
jtf.setText("");
}
}
}</span>