源程序 import javax.swing.*; import java.awt.event.*; public class Block extends JButton implements ActionListener { ImageIcon 翻开时的图标=null,关闭时的图标=null; public Block() { addActionListener(this); } public ImageIcon 获取翻开时的图标() { return 翻开时的图标; } public Im
* $Id: PDFViewer.java,v 1.10 2009-08-07 23:18:33 tomoke Exp $ * * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle, * Santa Clara, California 95054, U.S.A. All rights reserved. * * This library is free software; you can redistribute it and
