GUI學習筆記——02窗體添加按鈕事例

package test;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
public class test3 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		//創建窗體對象
		Frame f = new Frame("添加按鈕");
		//設置屬性
		f.setBounds(400, 200, 400, 300);
		//設置流式佈局
		f.setLayout(new FlowLayout());
		//創建按鈕對象
		Button bu = new Button("我是按鈕");
		bu.setSize(20,10);
		
		//把按鈕添加到窗體
		f.add(bu);
		
		f.setVisible(true);
		//設置窗體關閉
		f.addWindowListener(new WindowAdapter() {
			@Override
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
		});
		bu.addActionListener(new ActionListener() {

			@Override
			public void actionPerformed(ActionEvent e) {
				// TODO Auto-generated method stub
				System.out.println("你是按鈕");
			}
		});
	}

}