JAVA SWING 日期选择控件(目前支持JLable和JTextField，若有需要可自行扩展其它控件)

 

package com.dzg.ticket.util;

 

/**

 * 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(2, 0, 0, 30));

 

centercontainer = new JLabel("", JLabel.CENTER);

centercontainer.setLayout(new BorderLayout());

center = new JLabel("", JLabel.CENTER);

 

centercontainer.add(monthleft, BorderLayout.WEST);

centercontainer.add(center, BorderLayout.CENTER);

centercontainer.add(monthright, BorderLayout.EAST);

 

this.add(yearleft, BorderLayout.WEST);

this.add(centercontainer, BorderLayout.CENTER);

this.add(yearright, BorderLayout.EAST);

this.setPreferredSize(new Dimension(295, 25));

 

updateDate();

 

yearleft.addMouseListener(new MouseAdapter() {

public void mouseEntered(MouseEvent me) {

yearleft.setCursor(new Cursor(Cursor.HAND_CURSOR));

yearleft.setForeground(Color.RED);

}

 

public void mouseExited(MouseEvent me) {

yearleft.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));

yearleft.setForeground(Color.BLACK);

}

 

public void mousePressed(MouseEvent me) {

select.add(Calendar.YEAR, -1);

yearleft.setForeground(Color.WHITE);

refresh();

}

 

public void mouseReleased(MouseEvent me) {

yearleft.setForeground(Color.BLACK);

}

});

yearright.addMouseListener(new MouseAdapter() {

public void mouseEntered(MouseEvent me) {

yearright.setCursor(new Cursor(Cursor.HAND_CURSOR));

yearright.setForeground(Color.RED);

}

 

public void mouseExited(MouseEvent me) {

yearright.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));

yearright.setForeground(Color.BLACK);

}

 

public void mousePressed(MouseEvent me) {

select.add(Calendar.YEAR, 1);

yearright.setForeground(Color.WHITE);

refresh();

}

 

public void mouseReleased(MouseEvent me) {

yearright.setForeground(Color.BLACK);

}

});

monthleft.addMouseListener(new MouseAdapter() {

public void mouseEntered(MouseEvent me) {

monthleft.setCursor(new Cursor(Cursor.HAND_CURSOR));

monthleft.setForeground(Color.RED);

}

 

public void mouseExited(MouseEvent me) {

monthleft.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));

monthleft.setForeground(Color.BLACK);

}

 

public void mousePressed(MouseEvent me) {

select.add(Calendar.MONTH, -1);

monthleft.setForeground(Color.WHITE);

refresh();

}

 

public void mouseReleased(MouseEvent me) {

monthleft.setForeground(Color.BLACK);

}

});

monthright.addMouseListener(new MouseAdapter() {

public void mouseEntered(MouseEvent me) {

monthright.setCursor(new Cursor(Cursor.HAND_CURSOR));

monthright.setForeground(Color.RED);

}

 

public void mouseExited(MouseEvent me) {

monthright.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));

monthright.setForeground(Color.BLACK);

}

 

public void mousePressed(MouseEvent me) {

select.add(Calendar.MONTH, 1);

monthright.setForeground(Color.WHITE);

refresh();

}

 

public void mouseReleased(MouseEvent me) {

monthright.setForeground(Color.BLACK);

}

});

}

 

private void updateDate() {

center.setText(select.get(Calendar.YEAR) + "年" + (select.get(Calendar.MONTH) + 1) + "月");

}

}

 

private class JP2 extends JPanel {

private static final long serialVersionUID = -8176264838786175724L;

 

public JP2() {

this.setPreferredSize(new Dimension(295, 20));

}

 

protected void paintComponent(Graphics g) {

g.setFont(font);

g.drawString("星期日 星期一 星期二 星期三 星期四 星期五 星期六", 5, 10);

g.drawLine(0, 15, getWidth(), 15);

}

 

private void updateDate() {

 

}

}

 

private class JP3 extends JPanel {

private static final long serialVersionUID = 43157272447522985L;

 

public JP3() {

super(new GridLayout(6, 7));

this.setPreferredSize(new Dimension(295, 100));

initJP3();

}

 

private void initJP3() {

updateDate();

}

 

public void updateDate() {

this.removeAll();

lm.clear();

Date temp = select.getTime();

Calendar select = Calendar.getInstance();

select.setTime(temp);

select.set(Calendar.DAY_OF_MONTH, 1);

int index = select.get(Calendar.DAY_OF_WEEK);

int sum = (index == 1 ? 8 : index);

select.add(Calendar.DAY_OF_MONTH, 0 - sum);

for (int i = 0; i < 42; i++) {

select.add(Calendar.DAY_OF_MONTH, 1);

lm.addLabel(new MyLabel(select.get(Calendar.YEAR), select.get(Calendar.MONTH), select.get(Calendar.DAY_OF_MONTH)));

}

for (MyLabel my : lm.getLabels()) {

this.add(my);

}

select.setTime(temp);

}

}

 

private class MyLabel extends JLabel implements Comparator<MyLabel>, MouseListener, MouseMotionListener {

private static final long serialVersionUID = 3668734399227577214L;

private int year, month, day;

private boolean isSelected;

 

public MyLabel(int year, int month, int day) {

super("" + day, JLabel.CENTER);

this.year = year;

this.day = day;

this.month = month;

this.addMouseListener(this);

this.addMouseMotionListener(this);

this.setFont(font);

if (month == select.get(Calendar.MONTH)) {

this.setForeground(Color.BLACK);

} else {

this.setForeground(Color.LIGHT_GRAY);

}

if (day == select.get(Calendar.DAY_OF_MONTH)) {

this.setBackground(new Color(160, 185, 215));

} else {

this.setBackground(Color.WHITE);

}

}

 

public boolean getIsSelected() {

return isSelected;

}

 

public void setSelected(boolean b, boolean isDrag) {

isSelected = b;

if (b && !isDrag) {

int temp = select.get(Calendar.MONTH);

select.set(year, month, day);

if (temp == month) {

SwingUtilities.updateComponentTreeUI(jp3);

} else {

refresh();

}

}

this.repaint();

}

 

protected void paintComponent(Graphics g) {

if (day == select.get(Calendar.DAY_OF_MONTH) && month == select.get(Calendar.MONTH)) {

//如果当前日期是选择日期,则高亮显示  

g.setColor(new Color(160, 185, 215));

g.fillRect(0, 0, getWidth(), getHeight());

}

if (year == now.get(Calendar.YEAR) && month == now.get(Calendar.MONTH) && day == now.get(Calendar.DAY_OF_MONTH)) {

//如果日期和当前日期一样,则用红框  

Graphics2D gd = (Graphics2D) g;

gd.setColor(Color.RED);

Polygon p = new Polygon();

p.addPoint(0, 0);

p.addPoint(getWidth() - 1, 0);

p.addPoint(getWidth() - 1, getHeight() - 1);

p.addPoint(0, getHeight() - 1);

gd.drawPolygon(p);

}

if (isSelected) {//如果被选中了就画出一个虚线框出来  

Stroke s = new BasicStroke(1.0f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_BEVEL, 1.0f, new float[] { 2.0f, 2.0f }, 1.0f);

Graphics2D gd = (Graphics2D) g;

gd.setStroke(s);

gd.setColor(Color.BLACK);

Polygon p = new Polygon();

p.addPoint(0, 0);

p.addPoint(getWidth() - 1, 0);

p.addPoint(getWidth() - 1, getHeight() - 1);

p.addPoint(0, getHeight() - 1);

gd.drawPolygon(p);

}

super.paintComponent(g);

}

 

public boolean contains(Point p) {

return this.getBounds().contains(p);

}

 

private void update() {

repaint();

}

 

public void mouseClicked(MouseEvent e) {

}

 

public void mousePressed(MouseEvent e) {

isSelected = true;

update();

}

 

public void mouseReleased(MouseEvent e) {

Point p = SwingUtilities.convertPoint(this, e.getPoint(), jp3);

lm.setSelect(p, false);

commit();

}

 

public void mouseEntered(MouseEvent e) {

}

 

public void mouseExited(MouseEvent e) {

}

 

public void mouseDragged(MouseEvent e) {

Point p = SwingUtilities.convertPoint(this, e.getPoint(), jp3);

lm.setSelect(p, true);

}

 

public void mouseMoved(MouseEvent e) {

}

 

public int compare(MyLabel o1, MyLabel o2) {

Calendar c1 = Calendar.getInstance();

c1.set(o1.year, o2.month, o1.day);

Calendar c2 = Calendar.getInstance();

c2.set(o2.year, o2.month, o2.day);

return c1.compareTo(c2);

}

}

 

private class LabelManager {

private List<MyLabel> list;

 

public LabelManager() {

list = new ArrayList<MyLabel>();

}

 

public List<MyLabel> getLabels() {

return list;

}

 

public void addLabel(MyLabel my) {

list.add(my);

}

 

public void clear() {

list.clear();

}

 

@SuppressWarnings("unused")

public void setSelect(MyLabel my, boolean b) {

for (MyLabel m : list) {

if (m.equals(my)) {

m.setSelected(true, b);

} else {

m.setSelected(false, b);

}

}

}

 

public void setSelect(Point p, boolean b) {

//如果是拖动,则要优化一下,以提高效率  

if (b) {

//表示是否能返回,不用比较完所有的标签,能返回的标志就是把上一个标签和  

//将要显示的标签找到了就可以了  

boolean findPrevious = false, findNext = false;

for (MyLabel m : list) {

if (m.contains(p)) {

findNext = true;

if (m.getIsSelected()) {

findPrevious = true;

} else {

m.setSelected(true, b);

}

} else if (m.getIsSelected()) {

findPrevious = true;

m.setSelected(false, b);

}

if (findPrevious && findNext) {

return;

}

}

} else {

MyLabel temp = null;

for (MyLabel m : list) {

if (m.contains(p)) {

temp = m;

} else if (m.getIsSelected()) {

m.setSelected(false, b);

}

}

if (temp != null) {

temp.setSelected(true, b);

}

}

}

 

}

 

private class JP4 extends JPanel {

private static final long serialVersionUID = -6391305687575714469L;

 

public JP4() {

super(new BorderLayout());

this.setPreferredSize(new Dimension(295, 20));

this.setBackground(new Color(160, 185, 215));

SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");

final JLabel jl = new JLabel("今天: " + sdf.format(new Date()));

jl.setToolTipText("点击选择今天日期");

this.add(jl, BorderLayout.CENTER);

jl.addMouseListener(new MouseAdapter() {

public void mouseEntered(MouseEvent me) {

jl.setCursor(new Cursor(Cursor.HAND_CURSOR));

jl.setForeground(Color.RED);

}

 

public void mouseExited(MouseEvent me) {

jl.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));

jl.setForeground(Color.BLACK);

}

 

public void mousePressed(MouseEvent me) {

jl.setForeground(Color.WHITE);

select.setTime(new Date());

refresh();

commit();

}

 

public void mouseReleased(MouseEvent me) {

jl.setForeground(Color.BLACK);

}

});

}

 

private void updateDate() {

 

}

}

 

public static void main(String[] args) {

DateChooser dateChooser1 = DateChooser.getInstance("yyyy-MM-dd");

DateChooser dateChooser2 = DateChooser.getInstance("yyyy-MM-dd");

JTextField showDate1 = new JTextField("单击选择日期");

JLabel showDate2 = new JLabel("单击选择日期");

 

dateChooser1.register(showDate1);

dateChooser2.register(showDate2);

 

JFrame jf = new JFrame("测试日期选择器");

jf.add(showDate1, BorderLayout.NORTH);

jf.add(showDate2, BorderLayout.SOUTH);

jf.pack();

jf.setLocationRelativeTo(null);

jf.setVisible(true);

jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

}

评论

5 楼 senhui19 2016-10-11  

 

非常感谢，收藏啦。

4 楼 一碗单炒饭 2015-11-10  

拿来用了，谢谢谢谢

3 楼 神恰恰 2015-03-05  

高手啊  厉害  现在抄了一份 正用着

2 楼 lin714916927 2014-07-12  

1 楼 tjg138 2012-07-29  

网上找了几天了，终于找到了，非常非常感谢！
好东西呀！