图书馆信息查询系统（java版）

import javax.swing.*; import javax.swing.border.*; import java.awt.*; import java.awt.event.*; import java.text.DecimalFormat; import java.util.*; import java.io.IOException; import javax.swing.table.TableColumnModel; public class BookDetailsDialog extends JDialog { private static final long serialVersionUID = 4649094248915733473L; protected BookDetails book; protected BookInLibrary bookInLibrary = null; protected LibClient libClient; protected ArrayList<BookInLibrary> bookInLibArray; protected JTable bookInLibTable; protected Frame parent; public BookDetailsDialog(Frame theParentFrame, BookDetails theBook, LibClient theLibClient) { this(theParentFrame, "图书详细信息 " + theBook.toString(), theBook, theLibClient); } public BookDetailsDialog(Frame theParentFrame, String theTitle, BookDetails theMusicRecording, LibClient theLibClient) { super(theParentFrame, theTitle, true); book = theMusicRecording; parent = theParentFrame; libClient = theLibClient; buildGUI(); this.pack(); Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize(); Dimension framesize = this.getSize(); int x = (int) screensize.getWidth() / 2 - (int) framesize.getWidth() / 2; int y = (int) screensize.getHeight() / 2 - (int) framesize.getHeight() / 2; this.setLocation(x, y); } private void buildGUI() { Container container = this.getContentPane(); container.setLayout(new BorderLayout()); // 图书详细数据 JPanel bookDataPanel = new JPanel(); bookDataPanel.setLayout(new GridBagLayout()); GridBagConstraints c = new GridBagConstraints(); c.gridx = 0; c.gridy = 0; c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.WEST; c.insets = new Insets(5, 5, 5, 10); JLabel nameLabel = new JLabel("书名:", JLabel.RIGHT); nameLabel.setForeground(Color.blue); bookDataPanel.add(nameLabel, c); c.gridx = 1; c.gridy = 0; JLabel nameValue = new JLabel(book.getName()); bookDataPanel.add(nameValue, c); c.gridx = 0; c.gridy = 1; JLabel authorsLabel = new JLabel("作者:", JLabel.RIGHT); authorsLabel.setForeground(Color.blue); bookDataPanel.add(authorsLabel, c); c.gridx = 1; c.gridy = 1; JLabel authorsValue = new JLabel(book.getAuthors()); bookDataPanel.add(authorsValue, c); c.gridx = 0; c.gridy = 2; JLabel seriesLabel = new JLabel("丛书名:", JLabel.RIGHT); seriesLabel.setForeground(Color.blue); bookDataPanel.add(seriesLabel, c); c.gridx = 1; c.gridy = 2; JLabel seriesValue = new JLabel(book.getSeries()); bookDataPanel.add(seriesValue, c); c.gridx = 0; c.gridy = 3; JLabel publisherLabel = new JLabel("出版发行:", JLabel.RIGHT); publisherLabel.setForeground(Color.blue); bookDataPanel.add(publisherLabel, c); c.gridx = 1; c.gridy = 3; JLabel publisherValue = new JLabel(book.getPublisher()); bookDataPanel.add(publisherValue, c); c.gridx = 0; c.gridy = 4; JLabel mediaLabel = new JLabel("载体信息:", JLabel.RIGHT); mediaLabel.setForeground(Color.blue); bookDataPanel.add(mediaLabel, c); c.gridx = 1; c.gridy = 4; JLabel meidaValue = new JLabel(book.getPages() + "页，" + book.getSize() + "，" + new DecimalFormat("#.0").format(book.getPrice()) + "元"); bookDataPanel.add(meidaValue, c); c.gridx = 0; c.gridy = 5; JLabel clssNumLabel = new JLabel("中图分类:", JLabel.RIGHT); clssNumLabel.setForeground(Color.blue); bookDataPanel.add(clssNumLabel, c); c.gridx = 1; c.gridy = 5; JLabel clssNumValue = new JLabel(book.getClnum()); bookDataPanel.add(clssNumValue, c); c.gridx = 0; c.gridy = 6; JLabel introLabel = new JLabel("图书简介:", JLabel.RIGHT); introLabel.setForeground(Color.blue); bookDataPanel.add(introLabel, c); c.gridx = 1; c.gridy = 6; JTextArea abstractInfo = new JTextArea(book.getIntroduction(), 3, 20); abstractInfo.setEditable(false); abstractInfo.setLineWrap(true); bookDataPanel.add(abstractInfo, c); c.gridx = 4; c.gridy = 0; c.gridwidth = GridBagConstraints.REMAINDER; c.gridheight = 8; c.fill = GridBagConstraints.NONE; c.weightx = 1.0; c.weighty = 1.0; c.insets = new Insets(5, 5, 10, 10); String imageName = book.getPicture(); ImageIcon bookPicIcon = null; JLabel bookPicLabel = null; // 读取图书封面图片 try { if (imageName.trim().length() == 0) { bookPicLabel = new JLabel(" 图片暂不存在 "); bookPicLabel.setForeground(Color.red); } else { //bookPicIcon = new ImageIcon(getClass().getResource("images/" + imageName)); bookPicIcon = new ImageIcon("images/" + imageName); bookPicLabel = new JLabel(bookPicIcon); } } catch (Exception exc) { bookPicLabel = new JLabel(" 图片暂不存在 "); bookPicLabel.setForeground(Color.red); } bookPicLabel.setToolTipText(book.getName()); bookDataPanel.add(bookPicLabel, c); container.add(BorderLayout.NORTH, bookDataPanel); try { bookInLibArray = libClient.getBookInLibrary(book.getIsbn()); } catch (IOException e) { System.out.println("没找到相关信息"); } int bookAvailable = 0; int bookTotal = bookInLibArray.size(); String[] bookLendHead = { "图书条形码", "图书馆藏地", "图书状态" }; String[][] bookLibInfo = new String[bookTotal][3]; Iterator<BookInLibrary> it = bookInLibArray.iterator(); String bookStatus; int i = 0; while (it.hasNext()) { bookInLibrary = (BookInLibrary) it.next(); bookLibInfo[i][0] = bookInLibrary.getBarCode(); bookLibInfo[i][1] = bookInLibrary.getLocation(); switch (bookInLibrary.getStatus()) { case 0: bookStatus = "已借出，应还日期：\n" + bookInLibrary.getDueReturnDate(); break; case 1: bookStatus = "可借"; bookAvailable++; break; default: bookStatus = "不可借，其他情况"; } bookLibInfo[i][2] = bookStatus; i++; } bookInLibTable = new JTable(bookLibInfo, bookLendHead); bookInLibTable.setEnabled(false); bookInLibTable .setPreferredScrollableViewportSize(new Dimension(0, 120)); JScrollPane bookInLibScrollPane = new JScrollPane(bookInLibTable); // 根据每列内容的实际宽度设置每列的宽度 // TableUtilities.fixTableColumnWidth(bookInLibTable); // 按表的中宽度设置每列的宽度 double tableWidth = bookInLibTable.getPreferredSize().getWidth(); TableColumnModel tcm = bookInLibTable.getColumnModel(); tcm.getColumn(0).setPreferredWidth((int) (tableWidth / 6)); tcm.getColumn(1).setPreferredWidth((int) (tableWidth / 3)); tcm.getColumn(2).setPreferredWidth((int) (tableWidth / 2)); TitledBorder tableTitleBorder = BorderFactory .createTitledBorder("图书馆藏情况"); tableTitleBorder.setTitleColor(Color.black); bookInLibScrollPane.setBorder(tableTitleBorder); JPanel statisticPanel = new JPanel(); statisticPanel.setLayout(new FlowLayout(FlowLayout.LEFT)); JLabel totalLabel = new JLabel("图书总数量： "); totalLabel.setForeground(Color.black); JLabel totalValueLabel = new JLabel("" + bookTotal); totalValueLabel.setForeground(Color.blue); statisticPanel.add(totalLabel); statisticPanel.add(totalValueLabel); JLabel whiteSpace = new JLabel(" "); statisticPanel.add(whiteSpace); JLabel vailLabel = new JLabel("目前可借量： "); vailLabel.setForeground(Color.black); JLabel vailValueLabel = new JLabel("" + bookAvailable); vailValueLabel.setForeground(Color.red); statisticPanel.add(vailLabel); statisticPanel.add(vailValueLabel); JPanel bookInLibraryInfo = new JPanel(); bookInLibraryInfo.setLayout(new BorderLayout()); bookInLibraryInfo.add(BorderLayout.CENTER, bookInLibScrollPane); bookInLibraryInfo.add(BorderLayout.SOUTH, statisticPanel); container.add(BorderLayout.CENTER, bookInLibraryInfo); JPanel bottomPanel = new JPanel(); JButton okButton = new JButto