文本框的简单事件处理程序

import java.applet.*;

import java.awt.*;

import java.awt.event.*;

public class simpleEvent extends Applet implements ActionListener

{

Label lb;

TextField in, out;

public void init()

{

lb=new Label("请输入你的名字");

in=new TextField(6);

out=new TextField(20);

add(lb);

add(in);

add(out);

in.addActionListener(this);

}

public void actionPerformed(ActionEvent e)

{

out.setText(in.getText()+"欢迎光临！");

}

}