java应用与开发 Java实验，综合应用 运用Java语言的各方面知识解决实际问题，提高综合编程能力

package window; import java.awt.BorderLayout; import java.awt.Container; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.GridLayout; import java.awt.Insets; import java.awt.SystemColor; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.SwingConstants; import javax.swing.border.EmptyBorder; import util.DateUtils; import db.BookService; import db.DBUtil; import db.ReaderService; import entity.Book; import entity.Reader; public class Borrow extends JFrame { /** * 借书窗体 */ private static final long serialVersionUID = 1L; private JPanel dialogPane; //对话框面板 private JPanel contentPanel; //内容面板 private JLabel lb_book_id; //图书编号 private JTextField tf_book_id; private JLabel lb_reader_id; //读者编号 private JTextField tf_reader_id; private JLabel lb_book_name; //图书名称 private JTextField tf_book_name; private JLabel lb_reader_name; //读者姓名 private JTextField tf_reader_name; private JLabel lb_book_publisher; //出版社 private JTextField tf_book_publisher; private JLabel lb_reader_type; //读者类别 private JTextField tf_reader_type; private JLabel lb_book_publish_time; //出版时间 private JTextField tf_book_publish_time; private JLabel lb_reader_sex; //读者性别 private JTextField tf_reader_sex; private JLabel lb_borrow; //借书日期 private JLabel lb_borrow_date; private JLabel lb_back; //还书日期 private JLabel lb_back_date; private JPanel buttonBar; //按钮组面板 private JButton btn_borrow; //借出 private JButton btn_close; //关闭 public Borrow() { initComponents(); //初始化组件 } //定义初始化组件方法 private void initComponents() { dialogPane = new JPanel(); contentPanel = new JPanel(); lb_book_id = new JLabel(); tf_book_id = new JTextField(); lb_reader_id = new JLabel(); tf_reader_id = new JTextField(); lb_book_name = new JLabel(); tf_book_name = new JTextField(); lb_reader_name = new JLabel(); tf_reader_name = new JTextField(); lb_book_publisher = new JLabel(); tf_book_publisher = new JTextField(); lb_reader_type = new JLabel(); tf_reader_type = new JTextField(); lb_book_publish_time = new JLabel(); tf_book_publish_time = new JTextField(); lb_reader_sex = new JLabel(); tf_reader_sex = new JTextField(); lb_borrow = new JLabel(); lb_borrow_date = new JLabel(); lb_back = new JLabel(); lb_back_date = new JLabel(); buttonBar = new JPanel(); btn_borrow = new JButton(); btn_close = new JButton(); //======== this ======== setTitle("借书"); setResizable(false); Container contentPane = getContentPane(); contentPane.setLayout(new BorderLayout()); //======== dialogPane ======== { dialogPane.setBorder(new EmptyBorder(12, 12, 12, 12)); dialogPane.setLayout(new BorderLayout()); //======== contentPanel ======== { contentPanel.setLayout(new GridLayout(5, 4, 6, 6)); //---- lb_book_id ---- lb_book_id.setText("图书编号"); lb_book_id.setHorizontalAlignment(SwingConstants.RIGHT); contentPanel.add(lb_book_id); tf_book_id.addKeyListener(new KeyAdapter() { public void keyTyped(KeyEvent e) { tf_book_idKeyTyped(e); } }); contentPanel.add(tf_book_id); //---- lb_reader_id ---- lb_reader_id.setText("读者编号"); lb_reader_id.setHorizontalAlignment(SwingConstants.RIGHT); contentPanel.add(lb_reader_id); tf_reader_id.addKeyListener(new KeyAdapter() { public void keyTyped(KeyEvent e) { tf_reader_idKeyTyped(e); } }); contentPanel.add(tf_reader_id); //---- lb_book_name ---- lb_book_name.setText("图书名称:"); lb_book_name.setHorizontalAlignment(SwingConstants.RIGHT); contentPanel.add(lb_book_name); //---- tf_book_name ---- tf_book_name.setEnabled(false); contentPanel.add(tf_book_name); //---- lb_reader_name ---- lb_reader_name.setText("读者姓名"); lb_reader_name.setHorizontalAlignment(SwingConstants.RIGHT); contentPanel.add(lb_reader_name); //---- tf_reader_name ---- tf_reader_name.setEnabled(false); contentPanel.add(tf_reader_name); //---- lb_book_publisher ---- lb_book_publisher.setText("出版社"); lb_book_publisher.setHorizontalAlignment(SwingConstants.RIGHT); contentPanel.add(lb_book_publisher); //---- tf_book_publisher ---- tf_book_publisher.setEnabled(false); contentPanel.add(tf_book_publisher); //---- lb_reader_type ---- lb_reader_type.setText("读者类别"); lb_reader_type.setHorizontalAlignment(SwingConstants.RIGHT); contentPanel.add(lb_reader_type); //---- tf_reader_type ---- tf_reader_type.setEnabled(false); contentPanel.add(tf_reader_type); //---- lb_book_publish_time ---- lb_book_publish_time.setText("出版日期"); lb_book_publish_time.setHorizontalAlignment(SwingConstants.RIGHT); contentPanel.add(lb_book_publish_time); //---- tf_book_publish_time ---- tf_book_publish_time.setEnabled(false); contentPanel.add(tf_book_publish_time); //---- lb_reader_sex ---- lb_reader_sex.setText("读者性别"); lb_reader_sex.setHorizontalAlignment(SwingConstants.RIGHT); contentPanel.add(lb_reader_sex); //---- tf_reader_sex ---- tf_reader_sex.setEnabled(false); contentPanel.add(tf_reader_sex); //---- lb_borrow ---- lb_borrow.setText("借书日期"); lb_borrow.setHorizontalAlignment(SwingConstants.RIGHT); lb_borrow.setForeground(SystemColor.desktop); contentPanel.add(lb_borrow); //---- lb_borrow_date ---- lb_borrow_date.setHorizontalAlignment(SwingConstants.CENTER); lb_borrow_date.setForeground(SystemColor.desktop); contentPanel.add(lb_borrow_date); //---- lb_back ---- lb_back.setText("还书日期"); lb_back.setHorizontalAlignment(SwingConstants.RIGHT); lb_back.setForeground(SystemColor.desktop); contentPanel.add(lb_back); //---- lb_back_date ---- lb_back_date.setHorizontalAlignment(SwingConstants.CENTER); lb_back_date.setForeground(SystemColor.desktop); contentPanel.add(lb_back_date); } dialogPane.add(contentPanel, BorderLayout.CENTER); //======== buttonBar ======== { buttonBar.setBorder(new EmptyBorder(12, 0, 0, 0)); buttonBar.setLayout(new GridBagLayout()); ((GridBagLayout)buttonBar.getLayout()).columnWidths = new int[] {0, 85, 80}; ((GridBagLayout)buttonBar.getLayout()).columnWeights = new double[] {1.0, 0.0, 0.0}; //---- btn_borrow ---- btn_borrow.setText("借出"); btn_borrow.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { btn_borrowActionPerformed(e); } }); buttonBar.add(btn_borrow, new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(0, 0, 0, 5), 0, 0)); //---- btn_close ---- btn_close.setText("关闭"); btn_close.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { btn_closeActionPerformed(e); } }); buttonBar.add(btn_close, new GridBagConstraints(2, 0, 1, 1, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0)); } dialogPane.add(buttonBar, BorderLayout.SOUTH); } contentPane.add(dialogPane, BorderLayout.CENTER); setSize(625, 260); setLocationRelativeT