testgridlayout.java

疯狂Java讲义_源码(含Java设计模式CHM

import java.awt.*;
import static java.awt.BorderLayout.*;

/**
 * Description:
 * <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [e-mail]
 * @version  1.0
 */
public class TestGridLayout
{
	public static void main(String[] args) 
	{
		Frame f = new Frame("计算器");
		Panel p1 = new Panel();
		p1.add(new TextField(30));
		f.add(p1 , NORTH);
		Panel p2 = new Panel();
		//设置Panel使用GridLayout布局管理器
		p2.setLayout(new GridLayout(3, 5 , 4, 4));
		String[] name = {"0" , "1" , "2" , "3" , "4" , "5" , 
			"6" , "7" , "8" , "9" , "+" , "-" , "*" , "/" , "."};
		//向Panel中依次添加15个按钮
		for (int i = 0 ; i < name.length; i++ )
		{
			p2.add(new Button(name[i]));
		}
		f.add(p2);
		//设置窗口为最佳大小
		f.pack();
		//将窗口显示出来（Frame对象默认处于隐藏状态）
		f.setVisible(true);
	}
}