searchbooksandmembers.java

用java编写的图书馆书籍借阅管理系统,后台采用access数据库,运行前需要配置.具有书籍添加,借阅登记打印等功能

//import the packages for using the classes in them into the program
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/**
 *A public class
 */
public class searchBooksAndMembers extends JInternalFrame {
	/***************************************************************************
	 ***      declaration of the private variables used in the program       ***
	 ***************************************************************************/
	
	//for creating the North Panel
	private JPanel northPanel = new JPanel();
	//for creating the label
	private JLabel title = new JLabel("Search for Books and Members");
	
	//for creating the center
	private JPanel center = new JPanel();

	//for creating the Center Panel
	private JPanel centerBooksPanel = new JPanel();
	//for creating an Internal Panel in the center panel
	private JPanel searchBooksPanel = new JPanel();
	//for creating an Internal Panel in the center panel
	private JPanel searchBooksButtonPanel = new JPanel();
	
	//for creating the table
	private JLabel searchBooksLabel = new JLabel(" Search by:");
	//for creating JComboBox
	private JComboBox searchBooksTypes;
	//for creating String[]
	private String[] booksTypes = {"Subject", "Title", "Author", "Publisher", "ISBN"};
	//for creating the label
	private JLabel booksKey = new JLabel(" Write the Keyword: ");
	//for cearting the text field
	private JTextField booksKeyTextField = new JTextField();
	//for creating the button
	private JButton searchBooksButton = new JButton("Search");
	
	//for creating the Center Panel
	private JPanel centerMembersPanel = new JPanel();
	//for creating an Internal Panel in the center panel
	private JPanel searchMembersPanel = new JPanel();
	//for creating an Internal Panel in the center panel
	private JPanel searchMembersButtonPanel = new JPanel();
	
	//for creating the table
	private JLabel searchMembersLabel = new JLabel(" Search by:");
	//for creating JComboBox
	private JComboBox searchMembersTypes;
	//for creating String[]
	private String[] membersTypes = {"MemberID", "Name", "E-Mail", "Major"};
	//for creating the label
	private JLabel membersKey = new JLabel(" Write the Keyword: ");
	//for cearting the text field
	private JTextField membersKeyTextField = new JTextField();
	//for creating the button
	private JButton searchMembersButton = new JButton("Search");
	
	//for creating the south panel
	private JPanel southPanel = new JPanel();
	//for creating the button
	private JButton cancelButton = new JButton("Cancel");
	
	//for creating an array of string to store the data
	private String[] booksData;
	private String[] membersData;
	//create objects from another classes for using them in the ActionListener
	private listSearchBooks listBooks;
	private listSearchMembers listMembers;
	
	//for checking the information from the text field
	public boolean isBooksDataCorrect() {
		booksData = new String[2];
		booksData[0] = searchBooksTypes.getSelectedItem().toString();
		for(int i = 1; i < booksData.length; i++) {
			if(!booksKeyTextField.getText().equals("")) {
				booksData[i] = "'%" + booksKeyTextField.getText() + "%'";
			}
			else
				return false;
		}
		return true;
	}
	//for checking the information from the text field
	public boolean isMembersDataCorrect() {
		membersData = new String[2];
		membersData[0] = searchMembersTypes.getSelectedItem().toString();
		for(int i = 1; i < membersData.length; i++) {
			if(!membersKeyTextField.getText().equals("")) {
				membersData[i] = "'%" + membersKeyTextField.getText() + "%'";
			}
			else
				return false;
		}
		return true;
	}
	//constructor of searchBooks
	public searchBooksAndMembers() {
		//for setting the title for the internal frame
		super("Search", false, true, false, true);
		//for setting the icon
		setFrameIcon(new ImageIcon(ClassLoader.getSystemResource("images/Find16.gif")));
		//for getting the graphical user interface components display area
		Container cp = getContentPane();
		
		//for setting the layout
		northPanel.setLayout(new FlowLayout(FlowLayout.CENTER));
		//for setting the font
		title.setFont(new Font("Tahoma", Font.BOLD, 14));
		//for adding the label
		northPanel.add(title);
		//for adding the north panel to the container
		cp.add("North", northPanel);
		
		//for setting the layout
		center.setLayout(new BorderLayout());
		
		//for setting the layout
		centerBooksPanel.setLayout(new BorderLayout());
		//for setting the layout
		searchBooksPanel.setLayout(new GridLayout(2,2,1,1));
		//for adding the label
		searchBooksPanel.add(searchBooksLabel);
		//for adding the JComboBos[]
		searchBooksPanel.add(searchBooksTypes = new JComboBox(booksTypes));
		//for adding the label
		searchBooksPanel.add(booksKey);
		//for adding the text field
		searchBooksPanel.add(booksKeyTextField);
		//for adding the internal panel to the panel
		centerBooksPanel.add("North", searchBooksPanel);
		
		//for setting the layout
		searchBooksButtonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
		//for adding the button
		searchBooksButtonPanel.add(searchBooksButton);
		//for adding the internal panel to the center panel
		centerBooksPanel.add("South", searchBooksButtonPanel);
		//for setting the border
		centerBooksPanel.setBorder(BorderFactory.createTitledBorder("Search for a books:"));
		//for adding center panel to the center
		center.add("West", centerBooksPanel);
		
		//for setting the layout
		centerMembersPanel.setLayout(new BorderLayout());
		//for setting the layout
		searchMembersPanel.setLayout(new GridLayout(2,2,1,1));
		//for adding the label
		searchMembersPanel.add(searchMembersLabel);
		//for adding the JComboBos[]
		searchMembersPanel.add(searchMembersTypes = new JComboBox(membersTypes));
		//for adding the label
		searchMembersPanel.add(membersKey);
		//for adding the text field
		searchMembersPanel.add(membersKeyTextField);
		//for adding the internal panel to the panel
		centerMembersPanel.add("North", searchMembersPanel);
		
		//for setting the layout
		searchMembersButtonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
		//for adding the button
		searchMembersButtonPanel.add(searchMembersButton);
		//for adding the internal panel to the center panel
		centerMembersPanel.add("South", searchMembersButtonPanel);
		//for setting the border
		centerMembersPanel.setBorder(BorderFactory.createTitledBorder("Search for a members:"));
		//for adding center panel to the center
		center.add("East", centerMembersPanel);
		
		//for adding the center to the container
		cp.add("Center", center);
		
		/**
		 *for setting the font to the lables & buttons
		 */
		searchBooksLabel.setFont(new Font("Tahoma", Font.BOLD, 11));
		searchBooksTypes.setFont(new Font("Tahoma", Font.BOLD, 11));
		booksKey.setFont(new Font("Tahoma", Font.BOLD, 11));
		booksKeyTextField.setFont(new Font("Tahoma", Font.PLAIN, 11));
		searchBooksButton.setFont(new Font("Tahoma", Font.BOLD, 11));
		cancelButton.setFont(new Font("Tahoma", Font.BOLD, 11));
		searchMembersLabel.setFont(new Font("Tahoma", Font.BOLD, 11));
		searchMembersTypes.setFont(new Font("Tahoma", Font.BOLD, 11));
		membersKey.setFont(new Font("Tahoma", Font.BOLD, 11));
		membersKeyTextField.setFont(new Font("Tahoma", Font.PLAIN, 11));
		searchMembersButton.setFont(new Font("Tahoma", Font.BOLD, 11));
		cancelButton.setFont(new Font("Tahoma", Font.BOLD, 11));
		
		//for setting the layout
		southPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
		//for adding the button
		southPanel.add(cancelButton);
		//for setting the border
		southPanel.setBorder(BorderFactory.createEtchedBorder());
		//for adding the south panel to the container
		cp.add("South", southPanel);
		
		/***********************************************************************
		 * for adding the action listener to the button,first the text will be *
		 * taken from the JTextField and passing them to listSearchBooks object*
		 ***********************************************************************/
		searchBooksButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent ae) {
				//for checking if there is a missing information
				if(isBooksDataCorrect()) {
					listBooks = new listSearchBooks("SELECT Subject,Title,Author,"+
					"Publisher,Copyright,Edition,Pages,ISBN,Availble FROM Books"+
					" WHERE "+ booksData[0] + " LIKE " + booksData[1]);
					getParent().add(listBooks);
					try {
						listBooks.setSelected(true);
					}
					catch(java.beans.PropertyVetoException e) {}
					dispose();
				}
				else
					JOptionPane.showMessageDialog(null,"Please, complete the information","Warning",JOptionPane.WARNING_MESSAGE);
			}
		});
		/***********************************************************************
		 * for adding the action listener to the button,first the text will be *
		 * taken from the JTextField and passing them to listSearchBooks object*
		 ***********************************************************************/
		searchMembersButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent ae) {
				if(isMembersDataCorrect()) {
					listMembers = new listSearchMembers("SELECT MemberID, Name, EMail, Major"+
					" FROM Members WHERE " + membersData[0] + " LIKE " + membersData[1]);
					getParent().add(listMembers);
					try {
						listMembers.setSelected(true);
					}
					catch(java.beans.PropertyVetoException e) {}
					dispose();
				}
				else
					JOptionPane.showMessageDialog(null,"Please, complete the information","Warning",JOptionPane.WARNING_MESSAGE);
			}
		});
		//for adding the action listener for the button to dispose the frame
		cancelButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent ae) {
				dispose();
			}
		});
		//for setting the visible to true
		setVisible(true);
		//show the internal frame
		pack();
	}
}