SuperVCD管理系统 java版完整代码 带各种注释....

文件名称功能MainFrame.javaStoneForest应用的主界面框架MusicPanel.java这个类构建VCD的主面板(panel)MusicDetailsDialog.java这个类显示VCD详细信息对话框MusicEntryDialog.java这个类提供VCD详细信息输入框（可选，本项目未使用）TrackEntryDialog这个类提供VCD歌曲信息输入框（可选，本项目未使用）表2-2 数据服务类列表文件名称功能DataAccessor.java这个抽象类定义了如何读取一个数据文件MusicDataAccessor.java音乐VCD数据读取的实现类，继承了DataAccessorHandler.java这个类是基于socket连接的多线程处理器MusicDataClient.java这个类连接数据服务器来获得数据MusicDataServer.java这个类提供数据服务StoneForestProtocol.java这个接口包含数据服务的协议信息表2-3 工具类列表文件名称功能StoneForest.java这个类是整个应用的主（main）入口类Duration.java这个类描述时间的长度。 它包括小时，分和秒Track.java这个类代表歌曲VCD数据Recording.java这个抽象类代表音乐VCD数据，比Track含更多信息MusicRecording.java这个类代表音乐VCD数据, 继承了Recording表2-4 其他文件名称功能music.db这个文件以特定格式提供数据runjavadoc.bat这个批处理命令可以用来生成java doc文档docs这个文件夹用来放置生成的java doc文档images这个文件夹用来放置项目所需的图片MainFrameimport javax.swing.*;import java.awt.*;import java.awt.event.*;/* * StoneForest应用的主框架 */public class MainFrame extends JFrame /* * tabbed pane组件 */protected JTabbedPane tabbedPane;/* * 音乐CD panel */protected MusicPanel musicPanel;/* * 默认构造方法 */public MainFrame() setTitle(欢迎使用StoneForest应用! );Container container = this.getContentPane();container.setLayout(new BorderLayout();tabbedPane = new JTabbedPane();musicPanel = new MusicPanel(this);tabbedPane.addTab(音乐, musicPanel);container.add(BorderLayout.CENTER, tabbedPane);JMenuBar myMenuBar = new JMenuBar();JMenu fileMenu = new JMenu(文件);JMenu openMenu = new JMenu(打开);JMenuItem localMenuItem = new JMenuItem(本地硬盘.);openMenu.add(localMenuItem);JMenuItem networkMenuItem = new JMenuItem(网络.);openMenu.add(networkMenuItem);JMenuItem webMenuItem = new JMenuItem(互联网.);openMenu.add(webMenuItem);fileMenu.add(openMenu);JMenuItem saveMenuItem = new JMenuItem(保存);fileMenu.add(saveMenuItem);JMenuItem exitMenuItem = new JMenuItem(退出);fileMenu.add(exitMenuItem);myMenuBar.add(fileMenu);exitMenuItem.addActionListener(new ExitActionListener();setupLookAndFeelMenu(myMenuBar);JMenu helpMenu = new JMenu(帮助);JMenuItem aboutMenuItem = new JMenuItem(关于);helpMenu.add(aboutMenuItem);myMenuBar.add(helpMenu);aboutMenuItem.addActionListener(new AboutActionListener();this.setJMenuBar(myMenuBar);setSize(500, 400);setLocation(100, 100);this.addWindowListener(new WindowCloser();fileMenu.setMnemonic(f);exitMenuItem.setMnemonic(x);helpMenu.setMnemonic(h);aboutMenuItem.setMnemonic(a);/设定快捷键exitMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, ActionEvent.CTRL_MASK);saveMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK);aboutMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, ActionEvent.CTRL_MASK);/* * 设定和选择外观 * */protected void setupLookAndFeelMenu(JMenuBar theMenuBar) UIManager.LookAndFeelInfo lookAndFeelInfo = UIManager.getInstalledLookAndFeels();JMenu lookAndFeelMenu = new JMenu(选项);JMenuItem anItem = null;LookAndFeelListener myListener = new LookAndFeelListener();try for (int i=0; i 0) clearButton.setEnabled(true);else clearButton.setEnabled(false);catch (IOException exc) JOptionPane.showMessageDialog(this, 网络问题: + exc, 网络问题, JOptionPane.ERROR_MESSAGE);System.exit(1);class GoActionListener implements ActionListener public void actionPerformed(ActionEvent event) populateListBox();class DetailsActionListener implements ActionListener public void actionPerformed(ActionEvent event) int index = musicListBox.getSelectedIndex();MusicRecording myMusicRecording = (MusicRecording) musicArrayList.get(index);MusicDetailsDialog myDetailsDialog = new MusicDetailsDialog(parentFrame, myMusicRecording);myDetailsDialog.setVisible(true);class ExitActionListener implements ActionListener public void actionPerformed(ActionEvent event) parentFrame.exit();class ClearActionListener implements ActionListener public void actionPerformed(ActionEvent event) Object noData = new Object1;musicListBox.setListData(noData);categoryComboBox.setSelectedIndex(0);class GoItemListener implements ItemListener public void itemStateChanged(ItemEvent event) if (event.getStateChange() = ItemEvent.SELECTED) populateListBox();class MusicListSelectionListener implements ListSelectionListener public void valueChanged(ListSelectionEvent event) if (musicListBox.isSelectionEmpty() detailsButton.setEnabled(false);else detailsButton.setEnabled(true);MusicDetailsDialogimport java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.border.*;import java.util.*;/* * 这个类显示CD详细信息对话框 */public class MusicDetailsDialog extends JDialog protected MusicRecording myRecording;protected Frame parentFrame;public MusicDetailsDialog(Frame theParentFrame, MusicRecording theMusicRecording) this(theParentFrame, 光盘详细信息 + theMusicRecording.toString(), theMusicRecording);public MusicDetailsDialog(Frame theParentFrame, String theTitle, MusicRecording theMusicRecording) super(theParentFrame, theTitle, true);myRecording = theMusicRecording;parentFrame = theParentFrame;buildGui();private void buildGui() Container container = this.getContentPane();container.setLayout(new BorderLayout();JPanel topPanel = new JPanel();topPanel.setLayout(new BoxLayout(topPanel, BoxLayout.X_AXIS);JPanel infoPanel = new JPanel();infoPanel.setBorder(new EmptyBorder(10, 10, 0, 10);infoPanel.setLayout(new GridBagLayout();GridBagConstraints c = new GridBagConstraints();c.gridx = 0;c.gridy = 1;c.gridwidth = 3;c.weightx = 0.0;c.weighty = 0.0;c.fill = GridBagConstraints.BOTH;c.anchor = GridBagConstraints.WEST;c.insets = new Insets(10, 0, 2, 10);JLabel artistLabel = new JLabel(歌手: + myRecording.getArtist();artistLabel.setForeground(Color.black);infoPanel.add(artistLabel, c);c.gridy = GridBagConstraints.RELATIVE;c.insets = new Insets(2, 0, 10, 10);JLabel titleLabel = new JLabel(歌名: + myRecording.getTitle();titleLabel.setForeground(Color.black);infoPanel.add(titleLabel, c);JLabel categoryLabel = new JLabel(类别: + myRecording.getCategory();c.insets = new Insets(2, 0, 2, 0);categoryLabel.setForeground(Color.black);infoPanel.add(categoryLabel, c);Duration theDuration = myRecording.getDuration();int runningTime = theDuration.getTotalSeconds() / 60;JLabel durationLabel = new JLabel(长度: + runningTime + 分.);durationLabel.setForeground(Color.black);infoPanel.add(durationLabel, c);JLabel priceLabel = new JLabel(价格： + myRecording.getPrice() );c.insets = new Insets(10, 0, 2, 0);priceLabel.setForeground(Color.black);infoPanel.add(priceLabel, c);c.gridx = 3;c.gridy = 1;c.gridwidth = GridBagConstraints.REMAINDER;c.gridheight = 5;c.fill = GridBagConstraints.NONE;c.weightx = 1.0;c.weighty = 1.0;c.insets = new Insets(5, 5, 20, 0);String imageName = myRecording.getImageName();ImageIcon recordingIcon = null;JLabel recordingLabel = null;/ 读取图片tryif (imageName.trim().length() = 0) recordingLabel = new JLabel( 图片不存在 );else recordingIcon = new ImageIcon(getClass().getResource(images/music/ + imageName);recordingLabel = new JLabel(recordingIcon);catch (Exception exc)recordingLabel = new JLabel( 图片不存在 );recordingLabel.setBorder(BorderFactory.createRaisedBevelBorder();recordingLabel.setToolTipText(myRecording.getArtist();infoPanel.add(recordingLabel, c);container.add(BorderLayout.NORTH, infoPanel);Track tracksArray = myRecording.getTrackList();JList tracksListBox= new JList(tracksArray);JScrollPane tracksScrollPane = new JScrollPane(tracksListBox);TitledBorder listBorder = BorderFactory.createTitledBorder(List of Tracks);listBorder.setTitleColor(Color.black);tracksScrollPane.setBorder(listBorder);container.add(BorderLayout.CENTER, tracksScrollPane);JPanel bottomPanel = new JPanel();JButton okButton = new JButton(OK);bottomPanel.add(okButton);container.add(BorderLayout.SOUTH, bottomPanel);okButton.addActionListener(new OkButtonActionListener();this.pack();Point parentLocation = parentFrame.getLocation();this.setLocation(parentLocation.x + 50, parentLocation.y + 50);/* 处理按钮的内部类*/class OkButtonActionListener implements ActionListener public void actionPerformed(ActionEvent event)setVisible(false);DataAccessorimport java.util.*;/* * 这个抽象类定义了如何读取一个数据文件。 它提供的方法可以用来获得CD的分类和具体的CD信息 * */public abstract class DataAccessor /* * 存放CD信息的HashMap/hashtable . * */protected HashMap dataTable;/* * 最近增加的CD集合 * */ protected ArrayList recentRecordingList; /* * 默认构造方法 */ public DataAccessor() dataTable = new HashMap();recentRecordingList = new ArrayList(); /* * 获得CD分类集合 */public ArrayList getCategories() Set categorySet = dataTable.keySet();log(获得分类.);ArrayList categories = new ArrayList(categorySet);/ 排序Collections.sort(categories);log(完成获得分类!n);return categories;/* * 获得某类CD的集合 * * param 类别 */public ArrayList getRecordings(String category) ArrayList recordingList = null;log(获得CD集合信息， 它们属于: + category);recordingList = (ArrayList) dataTable.get(category);/ 排序Collections.sort(recordingList);log(完成获得CD集合信息!n);return recordingList;/* * 在内存中增加新的CD * * param被增加的CD * */public void addRecording(Recording theRecording) String category = theRecording.getCategory();log(添加新的CD: + theRecording);ArrayList recordingList = (ArrayList) dataTable.get(category);recordingList.add(theRecording);recentRecordingList.add(theRecording);log(完成添加新的CD!n);/* * 从文件中读取数据 */public abstract void load();/* * 向文件中保存数据 */public abstract void save();/* * 日志方法. */protected void log(Object msg) System.out.println(数据存取类Data Accessor: + msg);Handlerimport java.io.*;import .*;import java.util.*;/* * 这个类是socket连接的处理器 * 例如： * *Handler aHandler = new Handler(clientSocket, myMusicDataAccessor); *aHandler.start(); * * * */public class Handler extends Thread implements StoneForestProtocol protected Socket clientSocket;protected ObjectOutputStream outputToClient;protected ObjectInputStream inputFromClient;protected MusicDataAccessor myMusicDataAccessor;protected boolean done;public Handler(Socket theClientSocket, MusicDataAccessor theMusicDataAccessor) throws IOException clientSocket = theClientSocket;outputToClient = new ObjectOutputStream(clientSocket.getOutputStream();inputFromClient = new ObjectInputStream(clientSocket.getInputStream();myMusicDataAccessor = theMusicDataAccessor;done = false;public void run() try while (!done) log(等待命令.);int opCode = inputFromClient.readInt();log(opCode = + opCode);switch(opCode) case StoneForestProtocol.OP_GET_MUSIC_CATEGORIES:opGetMusicCategories();break;case StoneForestProtocol.OP_GET_MUSIC_RECORDINGS:opGetMusicRecordings();break;default:System.out.println(错误代码);catch (IOException exc) log(exc);protected void opGetMusicCategories() try ArrayList categoryList = myMusicDataAccessor.getCategories();outputToClient.writeObject(categoryList);outputToClient.flush();log(发出 + categoryList.size() + 类别信息到客户端到客户端.);catch (IOException exc) log(发生异常: + exc);protected void opGetMusicRecordings() try log(读取份类信息);String category = (String) inputFromClient.readObject();log(类别是 + category);ArrayList recordingList = myMusicDataAccessor.getRecordings(category);outputToClient.writeObject(recordingList);outputToClient.flush();log(发出 + recordingList.size() + CD信息到客户端.);catch (IOException exc) log(发生异常: + exc);exc.printStackTrace();catch (ClassNotFoundException exc) log(发生异常: + exc);exc.printStackTrace();public void setDone(boolean flag) done = flag;protected void log(Object msg) System.out.println(处理器: + msg);MusicDataAccessorimport java.util.*;import java.io.*;/* * 音乐CD数据读取的实现