生产实习之项目实践图书借阅管理系统设计

getContentPane();
  c.setLayout(new BorderLayout());
  BorrowedBookStudentLabel=new JLabel("借阅者姓名",JLabel.CENTER);
  BorrowedBookNameLabel=new JLabel("书名",JLabel.CENTER);
  BorrowedDateLabel=new JLabel("借阅日期",JLabel.CENTER);
  ReturnDateLabel=new JLabel("归还日期",JLabel.CENTER);

  BorrowedBookStudentTextField=new JTextField(15);
  BorrowedDateTextField=new JTextField(15);
  ReturnDateTextField=new JTextField(15);

  try
  {
   String strSQL="select bookName from books where books_count>borrowed_count";
   rs=db.getResult(strSQL);
   while(rs.next())
   {
    BookNameComboBox.addItem(rs.getString(1));
   }
  }
  catch(SQLException sqle)
  {
   System.out.println(sqle.toString());
  }
  catch(Exception ex)
  {
   System.out.println(ex.toString());
  }
  panel1=new JPanel();
  panel1.setLayout(new GridLayout(5,2));
  panel1.add(BorrowedBookStudentLabel);
  panel1.add(BorrowedBookStudentTextField);
  panel1.add(BorrowedBookNameLabel);
  panel1.add(BookNameComboBox);
  panel1.add(BorrowedDateLabel);
  panel1.add(BorrowedDateTextField);
  panel1.add(ReturnDateLabel);
  panel1.add(ReturnDateTextField);

  c.add(panel1,BorderLayout.CENTER);
  panel2=new JPanel();
  panel2.setLayout(new GridLayout(1,3));
  ClearBtn=new JButton("清空");
  YesBtn=new JButton("确定");
  CancelBtn=new JButton("取消");
  ClearBtn.addActionListener(this);
  YesBtn.addActionListener(this);
  CancelBtn.addActionListener(this);
  panel2.add(ClearBtn);
  panel2.add(YesBtn);
  panel2.add(CancelBtn);
  c.add(panel2,BorderLayout.SOUTH);

}
}

  ReturnBookMenu=new JMenu("还书管理");
  ReturnBookMenuItem=new JMenuItem("书籍还入");
  ReturnInfoMenuItem=new JMenuItem("书籍还入信息修改");
  ReturnBookMenu.add(ReturnBookMenuItem);
  ReturnBookMenu.add(ReturnInfoMenuItem);
  ReturnBookMenuItem.addActionListener(this);
  ReturnInfoMenuItem.addActionListener(this);
  MenuB.add(ReturnBookMenu);
  setJMenuBar(MenuB);
    titleLabel=new JLabel(new ImageIcon(".\\pic.jpg"));
  c=getContentPane();
  c.setLayout(new BorderLayout());
  panel1=new JPanel();
  panel1.setLayout(new BorderLayout());
  panel1.add(titleLabel,BorderLayout.CENTER);
    c.add(panel1,BorderLayout.CENTER);
  setBounds(100,50,400,300);
  show();&n

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生产实习之项目实践图书借阅管理系统设计(三)