图书进存销系统 java GUI 界面 mysql 数据库 三层架构

      package gui;
 
/**
 * ClassName:DateChooser
 * Copyright: copyright (c)2012
 * @author   Deng Zhiguang
 * http://zgdeng.iteye.com
 * @Date	 2012-2-7
 * Modification History:
 * Date      Author      Version    Reason
 * ------------------------------------------
 */
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.Polygon;
import java.awt.Stroke;
import java.awt.Toolkit;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Comparator;
import java.util.Date;
import java.util.List;
 
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.Popup;
import javax.swing.PopupFactory;
import javax.swing.SwingUtilities;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;
 
/** 
 * 日期选择器，可以指定日期的显示格式 
 */
public class DateChooser extends JPanel {
 
	private static final long serialVersionUID = 4529266044762990227L;
 
	private Date initDate;
	private Calendar now = Calendar.getInstance();
	private Calendar select;
	private JPanel monthPanel;//月历  
	private JP1 jp1;//四块面板,组成  
	private JP2 jp2;
	private JP3 jp3;
	private JP4 jp4;
	private Font font = new Font("宋体", Font.PLAIN, 12);
	private final LabelManager lm = new LabelManager();
	private SimpleDateFormat sdf;
	private boolean isShow = false;
	private Popup pop;
 
	private JComponent showDate;
 
	public static DateChooser getInstance() {
		return new DateChooser();
	}
 
	public static DateChooser getInstance(Date date) {
		return new DateChooser(date);
	}
 
	public static DateChooser getInstance(String format) {
		return new DateChooser(format);
	}
 
	public static DateChooser getInstance(Date date, String format) {
		return new DateChooser(date, format);
	}
 
	/** 
	 * Creates a new instance of DateChooser 
	 */
	private DateChooser() {
		this(new Date());
	}
 
	private DateChooser(Date date) {
		this(date, "yyyy年MM月dd日");
	}
 
	private DateChooser(String format) {
		this(new Date(), format);
	}
 
	private DateChooser(Date date, String format) {
		initDate = date;
		sdf = new SimpleDateFormat(format);
		select = Calendar.getInstance();
		select.setTime(initDate);
		initPanel();
	}
 
	/** 
	 * 是否允许用户选择 
	 */
	public void setEnabled(boolean b) {
		super.setEnabled(b);
		showDate.setEnabled(b);
	}
 
	/** 
	 *得到当前选择框的日期 
	 */
	public Date getDate() {
		return select.getTime();
	}
 
	public String getStrDate() {
		return sdf.format(select.getTime());
	}
 
	public String getStrDate(String format) {
		sdf = new SimpleDateFormat(format);
		return sdf.format(select.getTime());
	}
 
	//根据初始化的日期,初始化面板  
	private void initPanel() {
		monthPanel = new JPanel(new BorderLayout());
		monthPanel.setBorder(BorderFactory.createLineBorder(Color.BLUE));
		JPanel up = new JPanel(new BorderLayout());
		up.add(jp1 = new JP1(), BorderLayout.NORTH);
		up.add(jp2 = new JP2(), BorderLayout.CENTER);
		monthPanel.add(jp3 = new JP3(), BorderLayout.CENTER);
		monthPanel.add(up, BorderLayout.NORTH);
		monthPanel.add(jp4 = new JP4(), BorderLayout.SOUTH);
		this.addAncestorListener(new AncestorListener() {
			public void ancestorAdded(AncestorEvent event) {
 
			}
 
			public void ancestorRemoved(AncestorEvent event) {
 
			}
 
			//只要祖先组件一移动,马上就让popup消失  
			public void ancestorMoved(AncestorEvent event) {
				hidePanel();
			}
		});
	}
 
	public void register(final JComponent showDate) {
		this.showDate = showDate;
 
		showDate.setRequestFocusEnabled(true);
		showDate.addMouseListener(new MouseAdapter() {
			public void mousePressed(MouseEvent me) {
				showDate.requestFocusInWindow();
			}
		});
		this.setBackground(Color.WHITE);
		this.add(showDate, BorderLayout.CENTER);
		this.setPreferredSize(new Dimension(90, 25));
		this.setBorder(BorderFactory.createLineBorder(Color.GRAY));
		showDate.addMouseListener(new MouseAdapter() {
			public void mouseEntered(MouseEvent me) {
				if (showDate.isEnabled()) {
					showDate.setCursor(new Cursor(Cursor.HAND_CURSOR));
					showDate.setForeground(Color.RED);
				}
			}
 
			public void mouseExited(MouseEvent me) {
				if (showDate.isEnabled()) {
					showDate.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
					showDate.setForeground(Color.BLACK);
				}
			}
 
			public void mousePressed(MouseEvent me) {
				if (showDate.isEnabled()) {
					showDate.setForeground(Color.CYAN);
					if (isShow) {
						hidePanel();
					} else {
						showPanel(showDate);
					}
				}
			}
 
			public void mouseReleased(MouseEvent me) {
				if (showDate.isEnabled()) {
					showDate.setForeground(Color.BLACK);
				}
			}
		});
		showDate.addFocusListener(new FocusListener() {
			public void focusLost(FocusEvent e) {
				hidePanel();
			}
 
			public void focusGained(FocusEvent e) {
 
			}
		});
	}
 
	//根据新的日期刷新  
	private void refresh() {
		jp1.updateDate();
		jp2.updateDate();
		jp3.updateDate();
		jp4.updateDate();
		SwingUtilities.updateComponentTreeUI(this);
	}
 
	//提交日期  
	private void commit() {
		//TODO add other components here
		if (showDate instanceof JTextField) {
			((JTextField) showDate).setText(sdf.format(select.getTime()));
		}else if (showDate instanceof JLabel) {
			((JLabel) showDate).setText(sdf.format(select.getTime()));
		}
 
		hidePanel();
	}
 
	//隐藏日期选择面板  
	private void hidePanel() {
		if (pop != null) {
			isShow = false;
			pop.hide();
			pop = null;
		}
	}
 
	//显示日期选择面板  
	private void showPanel(Component owner) {
		if (pop != null) {
			pop.hide();
		}
		Point show = new Point(0, showDate.getHeight());
		SwingUtilities.convertPointToScreen(show, showDate);
		Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
		int x = show.x;
		int y = show.y;
		if (x < 0) {
			x = 0;
		}
		if (x > size.width - 295) {
			x = size.width - 295;
		}
		if (y < size.height - 170) {
		} else {
			y -= 188;
		}
		pop = PopupFactory.getSharedInstance().getPopup(owner, monthPanel, x, y);
		pop.show();
		isShow = true;
	}
 
	/** 
	 * 最上面的面板用来显示月份的增减 
	 */
	private class JP1 extends JPanel {
		private static final long serialVersionUID = -5638853772805561174L;
		JLabel yearleft, yearright, monthleft, monthright, center, centercontainer;
 
		public JP1() {
			super(new BorderLayout());
			this.setBackground(new Color(160, 185, 215));
			initJP1();
		}
 
		private void initJP1() {
			yearleft = new JLabel("  <<", JLabel.CENTER);
			yearleft.setToolTipText("上一年");
			yearright = new JLabel(">>  ", JLabel.CENTER);
			yearright.setToolTipText("下一年");
			yearleft.setBorder(BorderFactory.createEmptyBorder(2, 0, 0, 0));
			yearright.setBorder(BorderFactory.createEmptyBorder(2, 0, 0, 0));
 
			monthleft = new JLabel("  <", JLabel.RIGHT);
			monthleft.setToolTipText("上一月");
			monthright = new JLabel(">  ", JLabel.LEFT);
			monthright.setToolTipText("下一月");
			monthleft.setBorder(BorderFactory.createEmptyBorder(2, 30, 0, 0));
			monthright.setBorder(BorderFactory.createEmptyBorder(