package com.a520.test;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Frame;
import java.awt.LayoutManager;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
public class GUIDemo {
private static final Object BorderLayout = null;
private static final int NORTH = 0;
public static void main(String[] args) {
final Frame f=new Frame("GUI界面");
final TextField text=new TextField(30);//创建文本框
f.setLocation(300, 400);
f.setSize(100, 200);
//把文本放在f的上面
f.add(text,BorderLayout,NORTH);
//创建一个Button
Button btn=new Button("点击");
f.add(btn,BorderLayout,NORTH+1);
//给按钮一个点击事件
btn.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
String info=text.getText();//获取文本信息
System.out.println("haha"+info);
f.setTitle(info);//更改题目
}
});
f.pack();//自行调节窗口大小
f.setVisible(true);
//WindowAdapter() 适配器 内部匿名类
f.addWindowListener(new WindowAdapter() {
public void WindowClosing(WindowEvent e)
{
System.exit(0);//退出系统
}
});
}
}
/*class MyBTN implements ActionListener
{
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
System.out.println(“haha”);
}
}*/