import?java.awt.EventQueue;
import?java.awt.event.*;
import?java.io.*;
import?javax.swing.*;

/*
?A?program?for?viewing?images.
?*/


public?class?ImageViewer
{
???public?static?void?main（String[]?args）
???{
??????EventQueue.invokeLater（new?Runnable（）
?????????{
????????????public?void?run（）
????????????{
????????????	Jframe?frame?=?new?ImageViewerframe（）;
???????????????frame.setDefaultCloseOperation（Jframe.EXIT_ON_CLOSE）;
???????????????frame.setVisible（true）;
????????????}
?????????}）;
???}
}

/**
?*?A?frame?with?a?label?to?show?an?image.
?*/
class?ImageViewerframe?extends?Jframe
{
???public?ImageViewerframe（）
???{
??????settitle（“ImageViewer“）;
??????setSize（DEFAULT_WIDTH?DEFAULT_HEIGHT）;

??????//?use?a?label?to?display?the?images
??????label?=?new?JLabel（）;
??????add（label）;

??????//?set?up?the?file?chooser
??????chooser?=?new?JFileChooser（）;
??????chooser.setCurrentDirectory（new?File（“.“））;

??????//?set?up?the?menu?bar
??????JMenuBar?menuBar?=?new?JMenuBar（）;
??????setJMenuBar（menuBar）;

??????JMenu?menu?=?new?JMenu（“File“）;
??????menuBar.add（menu）;

??????JMenuItem?openItem?=?new?JMenuItem（“Open“）;
??????menu.add（openItem）;
??????openItem.addActionListener（new?ActionListener（）
?????????{
????????????public?void?actionPerformed（ActionEvent?event）
????????????{
???????????????//?show?file?chooser?dialog
???????????????int?result?=?chooser.showOpenDialog（null）;

???????????????//?if?file?selected?set?it?as?icon?of?the?label
???????????????if?（result?==?JFileChooser.APPROVE_OPTION）
???????????????{
??????????????????String?name?=?chooser.getSelectedFile（）.getPath（）;
??????????????????label.setIcon（new?ImageIcon（name））;
???????????????}
????????????}
?????????}）;

??????JMenuItem?exitItem?=?new?JMenuItem（“Exit“）;
??????menu.add（exitItem）;
??????exitItem.addActionListener（new?ActionListener（）
?????????{
????????????public?void?actionPerformed（ActionEvent?event）
????????????{
???????????????System.exit（0）;
????????????}
?????????}）;
???}

???private?JLabel?label;
???private?JFileChooser?chooser;
???private?static?final?int?DEFAULT_WIDTH?=?300;
???private?static?final?int?DEFAULT_HEIGHT?=?400;
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-03-05?10:49??卷一\
?????目錄???????????0??2019-03-05?11:10??卷一\v1ch02\
?????文件?????????190??2019-03-05?11:10??卷一\v1ch02\.classpath
?????文件?????????382??2019-03-05?11:10??卷一\v1ch02\.project
?????目錄???????????0??2019-03-05?11:10??卷一\v1ch02\bin\
?????目錄???????????0??2019-03-05?11:10??卷一\v1ch02\ImageViewer\
?????文件?????????226??2019-03-05?10:51??卷一\v1ch02\ImageViewer\.classpath
?????文件?????????387??2019-03-05?10:51??卷一\v1ch02\ImageViewer\.project
?????文件???????45724??2015-05-28?06:05??卷一\v1ch02\ImageViewer\Cay.gif
?????文件?????????679??2019-03-05?11:10??卷一\v1ch02\ImageViewer\ImageViewer$1.class
?????文件?????????544??2019-03-05?11:10??卷一\v1ch02\ImageViewer\ImageViewer.class
?????文件????????2137??2019-03-05?10:54??卷一\v1ch02\ImageViewer\ImageViewer.java
?????文件????????1207??2019-03-05?11:10??卷一\v1ch02\ImageViewer\ImageViewerframe$1.class
?????文件?????????698??2019-03-05?11:10??卷一\v1ch02\ImageViewer\ImageViewerframe$2.class
?????文件????????1650??2019-03-05?11:10??卷一\v1ch02\ImageViewer\ImageViewerframe.class
?????文件???????21997??2015-05-28?06:05??卷一\v1ch02\ImageViewer\mug.png
?????文件???????20132??2015-05-28?06:05??卷一\v1ch02\ImageViewer\Tower.gif
?????目錄???????????0??2019-03-05?11:12??卷一\v1ch02\Welcome\
?????文件?????????226??2019-03-05?11:12??卷一\v1ch02\Welcome\.classpath
?????文件?????????383??2019-03-05?11:12??卷一\v1ch02\Welcome\.project
?????文件?????????771??2019-03-05?11:12??卷一\v1ch02\Welcome\Welcome.class
?????文件?????????422??2015-05-28?06:05??卷一\v1ch02\Welcome\Welcome.java
?????目錄???????????0??2019-03-05?11:10??卷一\v1ch02\Welcomeapplet\
?????文件?????????226??2019-03-05?11:03??卷一\v1ch02\Welcomeapplet\.classpath
?????文件?????????389??2019-03-05?11:03??卷一\v1ch02\Welcomeapplet\.project
?????文件?????????134??2015-05-28?06:05??卷一\v1ch02\Welcomeapplet\java.policy.applet
?????文件????????1676??2019-03-05?11:10??卷一\v1ch02\Welcomeapplet\Welcomeapplet$1.class
?????文件????????1167??2019-03-05?11:10??卷一\v1ch02\Welcomeapplet\Welcomeapplet$2.class
?????文件?????????784??2019-03-05?11:10??卷一\v1ch02\Welcomeapplet\Welcomeapplet.class
?????文件?????????563??2015-05-28?06:05??卷一\v1ch02\Welcomeapplet\Welcomeapplet.html
?????文件????????1590??2015-05-28?06:05??卷一\v1ch02\Welcomeapplet\Welcomeapplet.java
............此處省略276個(gè)文件信息