java的时间框架（对自己的项目有点用）

package com.daai.test;

import javax.swing.JPanel;
import java.awt.Frame;
import java.awt.BorderLayout;
import java.awt.Point;

import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JTextField;
import java.awt.Rectangle;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.text.DateFormat;
import java.text.ParseException;
import java.util.Date;

import javax.swing.JButton;

import com.daai.utils.DatePicker;

public class Time_test extends JDialog {

private static final long serialVersionUID = 1L;

private JPanel jContentPane = null;

private JTextField jTextField = null;

private JButton jButton = null;

/**
* @param owner
*/
public Time_test(Frame owner) {
super(owner);
initialize();
}

/**
* This method initializes this
*
* @return void
*/
private void initialize() {
this.setSize(300, 200);
this.setContentPane(getJContentPane());
}

/**
* This method initializes jContentPane
*
* @return javax.swing.JPanel
*/
private JPanel getJContentPane() {
if (jContentPane == null) {
jContentPane = new JPanel();
jContentPane.setLayout(null);
jContentPane.add(getJTextField(), null);
jContentPane.add(getJButton(), null);
}
return jContentPane;
}

/**
* This method initializes jTextField
*
* @return javax.swing.JTextField
*/
private JTextField getJTextField() {
if (jTextField == null) {
jTextField = new JTextField();
jTextField.setBounds(new Rectangle(17, 40, 133, 29));
}
return jTextField;
}

/**
* This method initializes jButton
*
* @return javax.swing.JButton
*/
Point origin = new Point();
private JDialog dlg;
private DatePicker dp;
private JButton getJButton() {
if (jButton == null) {
jButton = new JButton();
jButton.setBounds(new Rectangle(165, 39, 89, 27));
jButton.setText("时间选择");
jButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
if ("".equals(jTextField.getText()))
                       
                        dp = new DatePicker();
                else
                        dp = new DatePicker(stringToDate(jTextField.getText()));
                dp.addComponentListener(new Listener());

                final Point p = jTextField.getLocationOnScreen();
                p.setLocation(p.getX(), p.getY() - 1 + jTextField.getSize().getHeight());

                dlg = new JDialog(new JFrame(), true);

                dlg.setTitle("选择时间");
                dlg.addMouseListener(new MouseAdapter() {
                        public void mousePressed(MouseEvent e) {
                                origin.x = e.getX();
                                origin.y = e.getY();
                        }
                });
                dlg.addMouseMotionListener(new MouseMotionAdapter() {
                        public void mouseDragged(MouseEvent e) {
                                Point p = dlg.getLocation();
                                dlg.setLocation(p.x + e.getX() - origin.x, p.y + e.getY() - origin.y);
                        }
                });

                dlg.setLocation(p);
                dlg.setResizable(false);
                dlg.setUndecorated(true);
                dlg.getContentPane().add(dp);
                dlg.pack();
                dlg.setVisible(true);

}
});
}
return jButton;
}
private static Date stringToDate(final String s) {
         try {
                 return DateFormat.getDateInstance(DateFormat.LONG).parse(s);
         } catch (ParseException e) {
                 return null;
         }
}
final class Listener extends ComponentAdapter {

         public void componentHidden(final ComponentEvent evt) {
                 final Date dt = ((DatePicker) evt.getSource()).getDate();
                 if (null != dt)
                         jTextField.setText(dateToString(dt));
                 dlg.dispose();
         }
         private  String dateToString(final Date dt) {
             if (null != dt)
                     return DateFormat.getDateInstance(DateFormat.LONG).format(dt);
             return null;
     }


}


}


上面是第一个类用来运行的，下面是第二个类

package com.daai.utils;

import java.awt.*;
import java.awt.event.*;
import java.util.GregorianCalendar;
import java.util.Date;
import java.util.Calendar;
import java.text.DateFormat;
import java.text.FieldPosition;

import javax.swing.*;
import javax.swing.plaf.BorderUIResource;


public final class DatePicker extends JPanel {

        private static final long serialVersionUID = 1L;

    private static final int startX = 10;

    private static final int startY = 60;

    private static final Font smallFont = new Font("Dialog", Font.PLAIN, 10);

    private static final Font largeFont = new Font("Dialog", Font.PLAIN, 12);

    private static final Insets insets = new Insets(2, 2, 2, 2);

    private static final Color highlight = new Color(255, 255, 204);

    private static final Color white = new Color(255, 255, 255);

    private static final Color gray = new Color(204, 204, 204);

    private Component selectedDay = null;

    private GregorianCalendar selectedDate = null;

    private GregorianCalendar originalDate = null;

    private boolean hideOnSelect = true;

    private final JButton backButton = new JButton();

    private final JLabel monthAndYear = new JLabel();

    private final JButton forwardButton = new JButton();

    private final JLabel[] dayHeadings = new JLabel[]{
        new JLabel("日"),
        new JLabel("一"),
        new JLabel("二"),
        new JLabel("三"),
        new JLabel("四"),
        new JLabel("五"),
        new JLabel("六")};

         private final JLabel[][] daysInMonth = new JLabel[][]{
                        {new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel()},
                        {new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel()},
                        {new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel()},
                        {new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel()},
                        {new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel()},
                        {new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel(),
                         new JLabel()}
                    };

    private final JButton todayButton = new JButton();

    private final JButton cancelButton = new JButton();

    public DatePicker() {
        super();
        selectedDate = getToday();
        init();
    }

    public DatePicker(final Date initialDate) {
        super();
        if (null == initialDate)
            selectedDate = getToday();
        else
            (selectedDate = new GregorianCalendar()).setTime(initialDate);
        originalDate = new GregorianCalendar(
                selectedDate.get(Calendar.YEAR),
                selectedDate.get(Calendar.MONTH),
                selectedDate.get(Calendar.DATE));
        init();
    }

    public boolean isHideOnSelect() {
        return hideOnSelect;
    }

    public void setHideOnSelect(final boolean hideOnSelect) {
        if (this.hideOnSelect != hideOnSelect) {
            this.hideOnSelect = hideOnSelect;
            initButtons(false);
        }
    }

    public Date getDate() {
        if (null != selectedDate)
            return selectedDate.getTime();
        return null;
    }

    private void init() {
        setLayout(new AbsoluteLayout());
        this.setMinimumSize(new Dimension(161, 226));
        this.setMaximumSize(getMinimumSize());
        this.setPreferredSize(getMinimumSize());
        this.setBorder(new BorderUIResource.EtchedBorderUIResource());

        backButton.setFont(smallFont);
        backButton.setText("<");
        backButton.setMargin(insets);
        backButton.setDefaultCapable(false);
        backButton.addActionListener(new ActionListener() {
            public void actionPerformed(final ActionEvent evt) {
                onBackClicked(evt);
            }
        });
        add(backButton, new AbsoluteConstraints(10, 10, 20, 20));

        monthAndYear.setFont(largeFont);
        monthAndYear.setHorizontalAlignment(JTextField.CENTER);
        monthAndYear.setText(formatDateText(selectedDate.getTime()));
        add(monthAndYear, new AbsoluteConstraints(30, 10, 100, 20));

        forwardButton.setFont(smallFont);
        forwardButton.setText(">");
        forwardButton.setMargin(insets);
        forwardButton.setDefaultCapable(false);
        forwardButton.addActionListener(new ActionListener() {
            public void actionPerformed(final ActionEvent evt) {
                onForwardClicked(evt);
            }
        });
        add(forwardButton, new AbsoluteConstraints(130, 10, 20, 20));

        int x = startX;
        for (int ii = 0; ii < dayHeadings.length; ii++) {
                        dayHeadings[ii].setOpaque(true);
            dayHeadings[ii].setBackground(Color.LIGHT_GRAY);
                        dayHeadings[ii].setForeground(Color.WHITE);
            dayHeadings[ii].setHorizontalAlignment(JLabel.CENTER);
            add(dayHeadings[ii], new AbsoluteConstraints(x, 40, 21, 21));
            x += 20;
        }

        x = startX;
        int y = startY;
        for (int ii = 0; ii < daysInMonth.length; ii++) {
            for (int jj = 0; jj < daysInMonth[ii].length; jj++) {
                                daysInMonth[ii][jj].setOpaque(true);
                daysInMonth[ii][jj].setBackground(white);
                daysInMonth[ii][jj].setFont(smallFont);
                daysInMonth[ii][jj].setHorizontalAlignment(JLabel.CENTER);
                daysInMonth[ii][jj].setText("");
                daysInMonth[ii][jj].addMouseListener(new MouseAdapter() {
                    public void mouseClicked(final MouseEvent evt) {
                        onDayClicked(evt);
                    }
                });
                add(daysInMonth[ii][jj], new AbsoluteConstraints(x, y, 21, 21));
                x += 20;
            }
            x = startX;
            y += 20;
        }

        initButtons(true);

        calculateCalendar();
    }

    private void initButtons(final boolean firstTime) {
        if (firstTime) {
            final Dimension buttonSize = new Dimension(68, 24);
            todayButton.setText("今天");
            todayButton.setMargin(insets);
            todayButton.setMaximumSize(buttonSize);
            todayButton.setMinimumSize(buttonSize);
            todayButton.setPreferredSize(buttonSize);
            todayButton.setDefaultCapable(true);
            todayButton.setSelected(true);
            todayButton.addActionListener(new ActionListener() {
                public void actionPerformed(final ActionEvent evt) {
                    onToday(evt);
                }
            });

            cancelButton.setText("取消");
            cancelButton.setMargin(insets);
            cancelButton.setMaximumSize(buttonSize);
            cancelButton.setMinimumSize(buttonSize);
            cancelButton.setPreferredSize(buttonSize);
            cancelButton.addActionListener(new ActionListener() {
                public void actionPerformed(final ActionEvent evt) {
                    onCancel(evt);
                }
            });
        } else {
            this.remove(todayButton);
            this.remove(cancelButton);
        }

        if (hideOnSelect) {
            add(todayButton, new AbsoluteConstraints(25, 190, 52, -1));
            add(cancelButton, new AbsoluteConstraints(87, 190, 52, -1));
        } else {
            add(todayButton, new AbsoluteConstraints(55, 190, 52, -1));
        }
    }

    private void onToday(final java.awt.event.ActionEvent evt) {
        selectedDate = getToday();
        setVisible(!hideOnSelect);
        if (isVisible()) {
            monthAndYear.setText(formatDateText(selectedDate.getTime()));
            calculateCalendar();
        }
    }

    private void onCancel(final ActionEvent evt) {
        selectedDate = originalDate;
        setVisible(!hideOnSelect);
    }

    private void onForwardClicked(final java.awt.event.ActionEvent evt) {
        final int day = selectedDate.get(Calendar.DATE);
        selectedDate.set(Calendar.DATE, 1);
        selectedDate.add(Calendar.MONTH, 1);
        selectedDate.set(Calendar.DATE,
                Math.min(day, calculateDaysInMonth(selectedDate)));
        monthAndYear.setText(formatDateText(selectedDate.getTime()));
        calculateCalendar();
    }

    private void onBackClicked(final java.awt.event.ActionEvent evt) {
        final int day = selectedDate.get(Calendar.DATE);
        selectedDate.set(Calendar.DATE, 1);
        selectedDate.add(Calendar.MONTH, -1);
        selectedDate.set(Calendar.DATE,
                Math.min(day, calculateDaysInMonth(selectedDate)));
        monthAndYear.setText(formatDateText(selectedDate.getTime()));
        calculateCalendar();
    }

    private void onDayClicked(final java.awt.event.MouseEvent evt) {
        final javax.swing.JLabel fld = (javax.swing.JLabel) evt.getSource();
        if (!"".equals(fld.getText())) {
            fld.setBackground(highlight);
            selectedDay = fld;
            selectedDate.set(
                    Calendar.DATE,
                    Integer.parseInt(fld.getText()));
            setVisible(!hideOnSelect);
        }
    }

    private static GregorianCalendar getToday() {
        final GregorianCalendar gc = new GregorianCalendar();
        gc.set(Calendar.HOUR_OF_DAY, 0);
        gc.set(Calendar.MINUTE, 0);
        gc.set(Calendar.SECOND, 0);
        gc.set(Calendar.MILLISECOND, 0);
        return gc;
    }

    private void calculateCalendar() {
        if (null != selectedDay) {
            selectedDay.setBackground(white);
            selectedDay = null;
        }

        final GregorianCalendar c = new GregorianCalendar(
                selectedDate.get(Calendar.YEAR),
                selectedDate.get(Calendar.MONTH),
                1);

        final int maxDay = calculateDaysInMonth(c);

        final int selectedDay = Math.min(maxDay, selectedDate.get(
                Calendar.DATE));

        int dow = c.get(Calendar.DAY_OF_WEEK);
        for (int dd = 0; dd < dow; dd++) {
            daysInMonth[0][dd].setText("");
        }

        int week;
        do {
            week = c.get(Calendar.WEEK_OF_MONTH);
            dow = c.get(Calendar.DAY_OF_WEEK);
            final JLabel fld = this.daysInMonth[week - 1][dow - 1];
            fld.setText(Integer.toString(c.get(Calendar.DATE)));
            if (selectedDay == c.get(Calendar.DATE)) {
                fld.setBackground(highlight);
                this.selectedDay = fld;
            }
            if (c.get(Calendar.DATE) >= maxDay)
                break;
            c.add(Calendar.DATE, 1);
        } while (c.get(Calendar.DATE) <= maxDay);

        week--;
        for (int ww = week; ww < daysInMonth.length; ww++) {
            for (int dd = dow; dd < daysInMonth[ww].length; dd++) {
                daysInMonth[ww][dd].setText("");
            }
            dow = 0;
        }

        c.set(Calendar.DATE, selectedDay);
        selectedDate = c;
    }

    private static int calculateDaysInMonth(final Calendar c) {
        int daysInMonth = 0;
        switch (c.get(Calendar.MONTH)) {
            case 0:
            case 2:
            case 4:
            case 6:
            case 7:
            case 9:
            case 11:
                daysInMonth = 31;
                break;
            case 3:
            case 5:
            case 8:
            case 10:
                daysInMonth = 30;
                break;
            case 1:
                final int year = c.get(Calendar.YEAR);
                daysInMonth =
                        (0 == year % 1000) ? 29 :
                        (0 == year % 100) ? 28 :
                        (0 == year % 4) ? 29 : 28;
                break;
        }
        return daysInMonth;
    }

    private static String formatDateText(final Date dt) {
        final DateFormat df = DateFormat.getDateInstance(DateFormat.LONG);

        final StringBuffer mm = new StringBuffer();
        final StringBuffer yy = new StringBuffer();
        final FieldPosition mmfp = new FieldPosition(DateFormat.MONTH_FIELD);
        final FieldPosition yyfp = new FieldPosition(DateFormat.YEAR_FIELD);
        df.format(dt, mm, mmfp);
        df.format(dt, yy, yyfp);
        return (mm.toString().substring(mmfp.getBeginIndex(), mmfp.getEndIndex()) +
                "月 " + yy.toString().substring(yyfp.getBeginIndex(), yyfp.getEndIndex()) + "年");
    }

}