borderlayouttest.java

中国水利水电出版社java程序设计教程,附源码

//BorderLayoutTest.java

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class BorderLayoutTest
{  
	public static void main(String[] args)
	{  
		BorderFrame frame = new BorderFrame();
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.show();
	}
}

class BorderFrame extends JFrame
{
	public BorderFrame()
	{
		setTitle("BorderLayoutTest");
		setSize(WIDTH, HEIGHT);
		
		//建立容纳按钮的面板
		JPanel buttonPanel = new JPanel();

		//增加相应的按钮
		for (int i = 0; i < 3; i++ )
		{
			JButton addButton = new JButton("add" + i);
			buttonPanel.add(addButton);
		}
		
		//建立容纳文本框的面板
		JPanel textPanel = new JPanel();
		
		//增加相应的文本框
		for (int i = 0; i < 2; i++ )
		{
			JTextField addText = new JTextField("add" + i, 10);
			textPanel.add(addText);
		}
		
		//将按钮面板和文本框面板置于框架中
		Container contentPane = getContentPane();
		contentPane.add(buttonPanel, BorderLayout.SOUTH);
		contentPane.add(textPanel, BorderLayout.NORTH);
	}

	public static final int WIDTH = 350;
	public static final int HEIGHT = 150;
}