日期时间选择器

时间:2022-04-27 14:24:27

日期时间选择器,精确到秒

GetDate.java

package com.tfj.demo;

import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;

import javax.swing.JButton;
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JPanel;

/**
*
@author Jacksile E-mail:tufujietec@foxmail.com
* @date 2016年4月13日 下午2:48:54
* @function
*/

public class GetDate extends JFrame {
private JFormattedTextField datelineField;
private DateChooserSecond dateChooser;
private static int WIDTH = 400;
private static int HEIGHT = 100;

GetDate() {

JPanel p
= new JPanel();
setContentPane(p);
DateFormat dateFormat
= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
datelineField
= new JFormattedTextField(dateFormat);
Calendar deadline
= GregorianCalendar.getInstance();
datelineField.setValue(deadline.getTime());
p.add(datelineField);

JButton b
= new JButton("时间设置");
b.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent ev) {
if (dateChooser == null) {
dateChooser
= new DateChooserSecond(datelineField);
}
Point p
= getLocationOnScreen();
p.y
= p.y + 30;
dateChooser.showDialog(
"日期时间选择器", p);
}
});
p.add(b);
setSize(WIDTH, HEIGHT);

//设置放在中间
Toolkit kit = Toolkit.getDefaultToolkit();
Dimension screenSize
= kit.getScreenSize();
int screenWidth = screenSize.width;
int screenHeight = screenSize.height;
setLocation((screenWidth
- WIDTH) / 2, (screenHeight - HEIGHT) / 2);

setVisible(
true);
setTitle(
"日期时间选择器");
setDefaultCloseOperation(EXIT_ON_CLOSE);
}

public static void main(String[] args) {
new GetDate();
}
}

DateChooserSecond.java

package com.tfj.demo;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFormattedTextField;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.SpinnerNumberModel;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.border.LineBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

/**
*
@author Jacksile E-mail:tufujietec@foxmail.com
* @date 2016年4月13日 下午2:47:02
* @function
*/

public class DateChooserSecond extends JPanel implements ActionListener, ChangeListener {

public DateChooserSecond(JFormattedTextField dateField) {
this.dateField = dateField;
setLayout(
new BorderLayout());
setBorder(
new LineBorder(backGroundColor, 2));
setBackground(backGroundColor);

calendar
= GregorianCalendar.getInstance();
JPanel topYearAndMonth
= createYMHMSPanel();
add(topYearAndMonth, BorderLayout.NORTH);
JPanel centerWeekAndDay
= createWeekAndDayPanel();
add(centerWeekAndDay, BorderLayout.CENTER);
}

private JPanel createYMHMSPanel() {
JPanel panel
= new JPanel();
panel.setLayout(
new FlowLayout());
panel.setBackground(controlLineColor);

int currentYear = calendar.get(Calendar.YEAR);
yearSpin
= new JSpinner(new SpinnerNumberModel(currentYear, startYear, lastYear, 1));
yearSpin.setPreferredSize(
new Dimension(48, 20));
yearSpin.setName(
"Year");
yearSpin.setEditor(
new JSpinner.NumberEditor(yearSpin, "####"));
yearSpin.addChangeListener(
this);
panel.add(yearSpin);

JLabel yearLabel
= new JLabel("年");
yearLabel.setForeground(controlTextColor);
panel.add(yearLabel);

int currentMonth = calendar.get(Calendar.MONTH) + 1;
monthSpin
= new JSpinner(new SpinnerNumberModel(currentMonth, 1, 12, 1));
monthSpin.setPreferredSize(
new Dimension(35, 20));
monthSpin.setName(
"Month");
monthSpin.addChangeListener(
this);
panel.add(monthSpin);

JLabel monthLabel
= new JLabel("月");
monthLabel.setForeground(controlTextColor);
panel.add(monthLabel);

int currentHour = calendar.get(Calendar.HOUR_OF_DAY);
hourSpin
= new JSpinner(new SpinnerNumberModel(currentHour, 0, 23, 1));
hourSpin.setPreferredSize(
new Dimension(35, 20));
hourSpin.setName(
"Hour");
hourSpin.addChangeListener(
this);
panel.add(hourSpin);

JLabel seperatorLabel
= new JLabel(":");
seperatorLabel.setForeground(controlTextColor);
panel.add(seperatorLabel);

int currentMinute = calendar.get(Calendar.MINUTE);
minuteSpin
= new JSpinner(new SpinnerNumberModel(currentMinute, 0, 59, 1));
minuteSpin.setPreferredSize(
new Dimension(35, 20));
minuteSpin.setName(
"Minute");
minuteSpin.addChangeListener(
this);
panel.add(minuteSpin);

seperatorLabel
= new JLabel(":");
seperatorLabel.setForeground(controlTextColor);
panel.add(seperatorLabel);

int currentSecond = calendar.get(Calendar.SECOND);
secondSpin
= new JSpinner(new SpinnerNumberModel(currentSecond, 0, 59, 1));
secondSpin.setPreferredSize(
new Dimension(35, 20));
secondSpin.setName(
"Second");
secondSpin.addChangeListener(
this);
panel.add(secondSpin);

return panel;
}

private JPanel createWeekAndDayPanel() {
String colname[]
= { "SUN", "MON", "TUE", "WEN", "THU", "FRI", "SAT" };
JPanel panel
= new JPanel();
// 设置固定字体,以免调用环境改变影响界面美观
panel.setFont(new Font("SansSerif", Font.PLAIN, 12));
panel.setLayout(
new GridLayout(7, 7));
panel.setBackground(Color.white);
JLabel cell
= null;

for (int i = 0; i < 7; i++) {
cell
= new JLabel(colname[i]);
cell.setHorizontalAlignment(JLabel.RIGHT);
if (i == 0 || i == 6)
cell.setForeground(weekendFontColor);
else
cell.setForeground(weekFontColor);
panel.add(cell);
}

int actionCommandId = 0;
for (int i = 0; i < 6; i++) {
for (int j = 0; j < 7; j++) {
JButton numberButton
= new JButton();
numberButton.setBorder(
null);
numberButton.setHorizontalAlignment(SwingConstants.RIGHT);
numberButton.setActionCommand(String.valueOf(actionCommandId));
numberButton.addActionListener(
this);
numberButton.setBackground(palletTableColor);
if (j == 0 || j == 6)
numberButton.setForeground(weekendFontColor);
else
numberButton.setForeground(dateFontColor);
daysButton[i][j]
= numberButton;
panel.add(numberButton);
actionCommandId
++;
}
}

return panel;
}

private JDialog createDialog(String title) {
Window window
= SwingUtilities.getWindowAncestor(dateField);

JDialog dialog
= null;
if (window instanceof Frame) {
dialog
= new DateChooserDialog(this, (Frame) window, title);
}
else {
dialog
= new DateChooserDialog(this, (Dialog) window, title);
}

dialog.setDefaultCloseOperation(JDialog.HIDE_ON_CLOSE);
dialog.getContentPane().add(
this, BorderLayout.CENTER);
dialog.pack();
dialog.setSize(width, height);

return dialog;
}

Point getAppropriateLocation(Frame owner, Point position) {
Point result
= new Point(position);
Point p
= owner.getLocation();
int offsetX = (position.x + width) - (p.x + owner.getWidth());
int offsetY = (position.y + height) - (p.y + owner.getHeight());

if (offsetX > 0) {
result.x
-= offsetX;
}

if (offsetY > 0) {
result.y
-= offsetY;
}

return result;
}

void setDateField() {
dateField.setValue(calendar.getTime());
}

public void showDialog(String title, Point position) {
Frame owner
= (Frame) SwingUtilities.getWindowAncestor(dateField);
if (dialog == null || dialog.getOwner() != owner)
dialog
= createDialog(title);
dialog.setLocation(getAppropriateLocation(owner, position));

flushCalendar();

dialog.setVisible(
true);
}

private void flushCalendar() {
calendar.setTime((Date) dateField.getValue());

int currentYear = calendar.get(Calendar.YEAR);
yearSpin.setValue(currentYear);
int currentMonth = calendar.get(Calendar.MONTH) + 1;
monthSpin.setValue(currentMonth);
int currentHour = calendar.get(Calendar.HOUR_OF_DAY);
hourSpin.setValue(currentHour);
int currentMinute = calendar.get(Calendar.MINUTE);
minuteSpin.setValue(currentMinute);
int currentSecond = calendar.get(Calendar.SECOND);
secondSpin.setValue(currentSecond);

dayColorUpdate(
true);
flushWeekAndDay();
}

private void dayColorUpdate(boolean isOldDay) {
int day = calendar.get(Calendar.DAY_OF_MONTH);
calendar.set(Calendar.DAY_OF_MONTH,
1);
int actionCommandId = day - 2 + calendar.get(Calendar.DAY_OF_WEEK);
calendar.set(Calendar.DAY_OF_MONTH, day);

int i = actionCommandId / 7;
int j = actionCommandId % 7;
if (isOldDay == true) {
if (j == 0 || j == 6)
daysButton[i][j].setForeground(weekendFontColor);
else
daysButton[i][j].setForeground(dateFontColor);
}
else
daysButton[i][j].setForeground(todayBackColor);
}

private void flushWeekAndDay() {
int day = calendar.get(Calendar.DAY_OF_MONTH);
calendar.set(Calendar.DAY_OF_MONTH,
1);
int maxDayNo = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
int dayNo = 2 - calendar.get(Calendar.DAY_OF_WEEK);
calendar.set(Calendar.DAY_OF_MONTH, day);
for (int i = 0; i < 6; i++) {
for (int j = 0; j < 7; j++) {
String s
= "";
if (dayNo >= 1 && dayNo <= maxDayNo)
s
= String.valueOf(dayNo);
daysButton[i][j].setText(s);
dayNo
++;
}
}

dayColorUpdate(
false);
}

private int getSelectedYear() {
return ((Integer) yearSpin.getValue()).intValue();
}

private int getSelectedMonth() {
return ((Integer) monthSpin.getValue()).intValue();
}

private int getSelectedHour() {
return ((Integer) hourSpin.getValue()).intValue();
}

private int getSelectedMinute() {
return ((Integer) minuteSpin.getValue()).intValue();
}

private int getSelectedSecond() {
return ((Integer) secondSpin.getValue()).intValue();
}

public void stateChanged(ChangeEvent e) {
JSpinner source
= (JSpinner) e.getSource();

if (source.getName().equals("Second")) {
calendar.set(Calendar.SECOND, getSelectedSecond());
return;
}
if (source.getName().equals("Minute")) {
calendar.set(Calendar.MINUTE, getSelectedMinute());
return;
}
if (source.getName().equals("Hour")) {
calendar.set(Calendar.HOUR_OF_DAY, getSelectedHour());
return;
}

dayColorUpdate(
true);

if (source.getName().equals("Year"))
calendar.set(Calendar.YEAR, getSelectedYear());
else
calendar.set(Calendar.MONTH, getSelectedMonth()
- 1);

flushWeekAndDay();
}

public void actionPerformed(ActionEvent e) {
JButton source
= (JButton) e.getSource();
if (source.getText().length() == 0)
return;

dayColorUpdate(
true);
source.setForeground(todayBackColor);

int newDay = Integer.parseInt(source.getText());
calendar.set(Calendar.DAY_OF_MONTH, newDay);
}

int startYear = 1980; // 默认【最小】显示年份
int lastYear = 2050; // 默认【最大】显示年份
int width = 320; // 界面宽度
int height = 200; // 界面高度

Color backGroundColor
= Color.gray; // 底色
// 月历表格配色----------------//
Color palletTableColor = Color.white; // 日历表底色
Color todayBackColor = Color.orange; // 今天背景色
Color weekFontColor = Color.blue; // 星期文字色
Color dateFontColor = Color.black; // 日期文字色
Color weekendFontColor = Color.red; // 周末文字色

// 控制条配色------------------//
Color controlLineColor = Color.pink; // 控制条底色
Color controlTextColor = Color.white; // 控制条标签文字色

Color rbFontColor
= Color.white; // RoundBox文字色
Color rbBorderColor = Color.red; // RoundBox边框色
Color rbButtonColor = Color.pink; // RoundBox按钮色
Color rbBtFontColor = Color.red; // RoundBox按钮文字色

JDialog dialog;
JSpinner yearSpin;
JSpinner monthSpin;
JButton[][] daysButton
= new JButton[6][7];
JSpinner hourSpin;
JSpinner minuteSpin;
JSpinner secondSpin;

Calendar calendar
= null;
JFormattedTextField dateField;

private class DateChooserDialog extends JDialog {
DateChooserDialog(DateChooserSecond dateChooser, Frame frame, String title) {
super(frame, title, true);
this.dateChooser = dateChooser;
}

DateChooserDialog(DateChooserSecond dateChooser, Dialog dialog, String title) {
super(dialog, title, true);
this.dateChooser = dateChooser;
}

public void hide() {
dateChooser.setDateField();
super.hide();
}

private DateChooserSecond dateChooser;
}
}

日期时间选择器,精确到天,相当于日历

DateChooserDay.java

package com.tfj.demo;

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.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.Popup;
import javax.swing.PopupFactory;
import javax.swing.SwingUtilities;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;

/**
*
@author Jacksile E-mail:tufujietec@foxmail.com
* @date 2016年4月13日 下午3:32:23
* @function
*/

public class DateChooserDay 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 JLabel showDate; // ,toSelect;
private SimpleDateFormat sdf;
private boolean isShow = false;
private Popup pop;
private static final int WIDTH = 400;
private static final int HEIGHT = 100;

/**
* Creates a new instance of DateChooser
*/
public DateChooserDay() {
this(new Date());
}

public DateChooserDay(Date date) {
this(date, "yyyy年MM月dd日");
}

public DateChooserDay(String format) {
this(new Date(), format);
}

public DateChooserDay(Date date, String format) {
initDate
= date;
sdf
= new SimpleDateFormat(format);
select
= Calendar.getInstance();
select.setTime(initDate);
initPanel();
initLabel();
}

/**
* 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();
}

// 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();
}
});
}

// 初始化标签
private void initLabel() {
showDate
= new JLabel(sdf.format(initDate));
showDate.setRequestFocusEnabled(
true);
showDate.addMouseListener(
new MouseAdapter() {
public void mousePressed(MouseEvent me) {
showDate.requestFocusInWindow();
}
});
// toSelect=new JLabel(sdf.format(initDate));
// toSelect.setBorder(BorderFactory.createLineBorder(Color.BLACK));
// toSelect.setRequestFocusEnabled(true);
this.setBackground(Color.WHITE);
this.add(showDate, BorderLayout.CENTER);
// this.add(toSelect,BorderLayout.EAST);
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();
jp3.updateDate();
SwingUtilities.updateComponentTreeUI(
this);
}

// 提交日期
private void commit() {
System.out.println(
"选中的日期是:" + sdf.format(select.getTime()));
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 {
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 {
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 class JP3 extends JPanel {
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 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();
}

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 {
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);
}
});
}
}

public static void main(String[] args) {
final DateChooserDay mp = new DateChooserDay("yyyy-MM-dd");
JFrame jf
= new JFrame("日期选择器");
jf.add(mp, BorderLayout.CENTER);
jf.add(
new JButton("点击下面可选择时间"), BorderLayout.NORTH);
jf.setSize(WIDTH, HEIGHT);
jf.setLocationRelativeTo(
null);
jf.setVisible(
true);
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}