Swing日期时间选择框控件

来源：互联网发布：省市区四级联动数据库编辑：程序博客网时间：2024/06/01 15:33
			
			最近做一个Swing软件，其中要用到日期时间选择器（DateChooser），但是Swing中没有现成的日期时间选择器可用，于是在网上搜索了一下，找了一个比较靠谱的例子，因为任务比较紧，所以没有时间细致地美化，自己修改了几处，增加了一些注释，增加了几个功能（如：增加了确定、取消按钮；添加了取消时JButton的Text恢复选择前的日期时间；增加了得到当前日期时间格式化器等），现在放出来，欢迎有时间的同学继续完善。

先上一张效果图



代码如下：?
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import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Cursor;
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.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
 
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
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;
 
/**
 *
 * YouAreStupid 收集网上靠谱的例子，修改后的Swing日期
 * 时间选择器,因为修改时间匆忙，希望有时间的朋友继续改进。
 * 例子原作者:zjw
 * 修改/完善：YouAreStupid
 */
public class DateChooserJButton extendsJButton {
 
    privateDateChooser dateChooser = null;
    privateString preLabel = "";
    privateString originalText = null;
    privateSimpleDateFormat sdf = null;
 
    publicDateChooserJButton() {
        this(getNowDate());
    }
 
    publicDateChooserJButton(String dateString) {
        this();
        setText(getDefaultDateFormat(), dateString);
        //保存原始是日期时间
        initOriginalText(dateString);
    }
 
    publicDateChooserJButton(SimpleDateFormat df, String dateString) {
        this();
        setText(df, dateString);
 
        //记忆当前的日期格式化器
        this.sdf = df;
 
        //记忆原始日期时间
        Date originalDate =null;
        try{
            originalDate = df.parse(dateString);
        }catch (ParseException ex) {
            originalDate = getNowDate();
        }
        initOriginalText(originalDate);
    }
 
    publicDateChooserJButton(Date date) {
        this("", date);
        //记忆原始日期时间
        initOriginalText(date);
    }
 
    publicDateChooserJButton(String preLabel, Date date) {
        if(preLabel != null) {
            this.preLabel = preLabel;
        }
        setDate(date);
        //记忆原始是日期时间
        initOriginalText(date);
 
        setBorder(null);
        setCursor(newCursor(Cursor.HAND_CURSOR));
        super.addActionListener(newActionListener() {
 
            @Override
            publicvoid actionPerformed(ActionEvent e) {
                if(dateChooser == null) {
                    dateChooser =new DateChooser();
                }
                Point p = getLocationOnScreen();
                p.y = p.y +30;
                dateChooser.showDateChooser(p);
            }
        });
    }
 
    privatestatic Date getNowDate() {
        returnCalendar.getInstance().getTime();
    }
 
    privatestatic SimpleDateFormat getDefaultDateFormat() {
        returnnew SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    }
 
    /**
     * 得到当前使用的日期格式化器
     * @return 日期格式化器
     */
    publicSimpleDateFormat getCurrentSimpleDateFormat(){
        if(this.sdf !=null){
            returnsdf;
        }else{
            returngetDefaultDateFormat();
        }
    }
 
 
    //保存原始是日期时间
    privatevoid initOriginalText(String dateString) {
        this.originalText = dateString;
    }
 
    //保存原始是日期时间
    privatevoid initOriginalText(Date date) {
        this.originalText = preLabel + getDefaultDateFormat().format(date);
    }
 
    /**
     * 得到当前记忆的原始日期时间
     * @return 当前记忆的原始日期时间（未修改前的日期时间）
     */
    publicString getOriginalText() {
        returnoriginalText;
    }
 
    // 覆盖父类的方法
    @Override
    publicvoid setText(String s) {
        Date date;
        try{
            date = getDefaultDateFormat().parse(s);
        }catch (ParseException e) {
            date = getNowDate();
        }
        setDate(date);
    }
 
    publicvoid setText(SimpleDateFormat df, String s) {
        Date date;
        try{
            date = df.parse(s);
        }catch (ParseException e) {
            date = getNowDate();
        }
        setDate(date);
    }
 
    publicvoid setDate(Date date) {
        super.setText(preLabel + getDefaultDateFormat().format(date));
    }
 
    publicDate getDate() {
        String dateString = getText().substring(preLabel.length());
        try{
            SimpleDateFormat currentSdf = getCurrentSimpleDateFormat();
            returncurrentSdf.parse(dateString);
        }catch (ParseException e) {
            returngetNowDate();
        }
    }
 
    /** 
     * 覆盖父类的方法使之无效
     * @param listener 响应监听器
     */
    @Override
    publicvoid addActionListener(ActionListener listener) {
    }
 
    /**
     * 内部类，主要是定义一个JPanel，然后把日历相关的所有内容填入本JPanel，
     * 然后再创建一个JDialog，把本内部类定义的JPanel放入JDialog的内容区
     */
    privateclass DateChooser extends JPanel implements ActionListener, ChangeListener {
 
        intstartYear = 1980;// 默认【最小】显示年份
        intlastYear = 2050;// 默认【最大】显示年份
        intwidth = 390;// 界面宽度
        intheight = 210;// 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
        /** 点击DateChooserButton时弹出的对话框，日历内容在这个对话框内 */
        JDialog dialog;
        JSpinner yearSpin;
        JSpinner monthSpin;
        JSpinner daySpin;
        JSpinner hourSpin;
        JSpinner minuteSpin;
        JSpinner secondSpin;
        JButton[][] daysButton =new JButton[6][7];
 
        DateChooser() {
 
            setLayout(newBorderLayout());
            setBorder(newLineBorder(backGroundColor, 2));
            setBackground(backGroundColor);
 
            JPanel topYearAndMonth = createYearAndMonthPanal();
            add(topYearAndMonth, BorderLayout.NORTH);
            JPanel centerWeekAndDay = createWeekAndDayPanal();
            add(centerWeekAndDay, BorderLayout.CENTER);
            JPanel buttonBarPanel = createButtonBarPanel();
            this.add(buttonBarPanel, java.awt.BorderLayout.SOUTH);
        }
 
        privateJPanel createYearAndMonthPanal() {
            Calendar c = getCalendar();
            intcurrentYear = c.get(Calendar.YEAR);
            intcurrentMonth = c.get(Calendar.MONTH) + 1;
            intcurrentHour = c.get(Calendar.HOUR_OF_DAY);
            intcurrentMinute = c.get(Calendar.MINUTE);
            intcurrentSecond = c.get(Calendar.SECOND);
 
            JPanel result =new JPanel();
            result.setLayout(newFlowLayout());
            result.setBackground(controlLineColor);
 
            yearSpin =new JSpinner(newSpinnerNumberModel(currentYear, startYear, lastYear, 1));
            yearSpin.setPreferredSize(newDimension(48,20));
            yearSpin.setName("Year");
            yearSpin.setEditor(newJSpinner.NumberEditor(yearSpin, "####"));
            yearSpin.addChangeListener(this);
            result.add(yearSpin);
 
            JLabel yearLabel =new JLabel("年");
            yearLabel.setForeground(controlTextColor);
            result.add(yearLabel);
 
            monthSpin =new JSpinner(newSpinnerNumberModel(currentMonth, 1,12, 1));
            monthSpin.setPreferredSize(newDimension(35,20));
            monthSpin.setName("Month");
            monthSpin.addChangeListener(this);
            result.add(monthSpin);
 
            JLabel monthLabel =new JLabel("月");
            monthLabel.setForeground(controlTextColor);
            result.add(monthLabel);
 
            //如果这里要能够选择,会要判断很多东西,比如每个月分别由多少日,以及闰年问题.所以,就干脆把Enable设为false
            daySpin =new JSpinner(newSpinnerNumberModel(currentMonth, 1,31, 1));
            daySpin.setPreferredSize(newDimension(35,20));
            daySpin.setName("Day");
            daySpin.addChangeListener(this);
            daySpin.setEnabled(false);
            daySpin.setToolTipText("请下下面的日历面板中进行选择哪一天！");
            result.add(daySpin);
 
            JLabel dayLabel =new JLabel("日");
            dayLabel.setForeground(controlTextColor);
            result.add(dayLabel);
 
            hourSpin =new JSpinner(newSpinnerNumberModel(currentHour, 0,23, 1));
            hourSpin.setPreferredSize(newDimension(35,20));
            hourSpin.setName("Hour");
            hourSpin.addChangeListener(this);
            result.add(hourSpin);
 
            JLabel hourLabel =new JLabel("时");
            hourLabel.setForeground(controlTextColor);
            result.add(hourLabel);
 
            minuteSpin =new JSpinner(newSpinnerNumberModel(currentMinute, 0,59, 1));
            minuteSpin.setPreferredSize(newDimension(35,20));
            minuteSpin.setName("Minute");
            minuteSpin.addChangeListener(this);
            result.add(minuteSpin);
 
            JLabel minuteLabel =new JLabel("分");
            hourLabel.setForeground(controlTextColor);
            result.add(minuteLabel);
 
            secondSpin =new JSpinner(newSpinnerNumberModel(currentSecond, 0,59, 1));
            secondSpin.setPreferredSize(newDimension(35,20));
            secondSpin.setName("Second");
            secondSpin.addChangeListener(this);
            result.add(secondSpin);
 
            JLabel secondLabel =new JLabel("秒");
            hourLabel.setForeground(controlTextColor);
            result.add(secondLabel);
 
            returnresult;
        }
 
        privateJPanel createWeekAndDayPanal() {
            String colname[] = {"日","一", "二","三", "四","五", "六"};
            JPanel result =new JPanel();
            // 设置固定字体，以免调用环境改变影响界面美观
            result.setFont(newFont("宋体", Font.PLAIN,12));
            result.setLayout(newGridLayout(7,7));
            result.setBackground(Color.white);
            JLabel cell;
 
            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);
                }
                result.add(cell);
            }
 
            intactionCommandId = 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);
                    numberButton.setForeground(dateFontColor);
                    if(j == 0 || j == 6) {
                        numberButton.setForeground(weekendFontColor);
                    }else {
                        numberButton.setForeground(dateFontColor);
                    }
                    daysButton[i][j] = numberButton;
                    result.add(numberButton);
                    actionCommandId++;
                }
            }
 
            returnresult;
        }
 
        /** 得到DateChooserButton的当前text，本方法是为按钮事件匿名类准备的。 */
        publicString getTextOfDateChooserButton() {
            returngetText();
        }
 
        /** 恢复DateChooserButton的原始日期时间text，本方法是为按钮事件匿名类准备的。 */
        publicvoid restoreTheOriginalDate() {
            String originalText = getOriginalText();
            setText(originalText);
        }
 
        privateJPanel createButtonBarPanel() {
            JPanel panel =new JPanel();
            panel.setLayout(newjava.awt.GridLayout(1,2));
 
            JButton ok =new JButton("确定");
            ok.addActionListener(newActionListener() {
 
                @Override
                publicvoid actionPerformed(ActionEvent e) {
                    //记忆原始日期时间
                    initOriginalText(getTextOfDateChooserButton());
                    //隐藏日历对话框
                    dialog.setVisible(false);
                }
            });
            panel.add(ok);
 
            JButton cancel =new JButton("取消");
            cancel.addActionListener(newActionListener() {
 
                @Override
                publicvoid actionPerformed(ActionEvent e) {
                    //恢复原始的日期时间
                    restoreTheOriginalDate();
                    //隐藏日历对话框
                    dialog.setVisible(false);
                }
            });
 
            panel.add(cancel);
            returnpanel;
        }
 
        privateJDialog createDialog(Frame owner) {
            JDialog result =new JDialog(owner,"日期时间选择", true);
            result.setDefaultCloseOperation(JDialog.HIDE_ON_CLOSE);
            result.getContentPane().add(this, BorderLayout.CENTER);
            result.pack();
            result.setSize(width, height);
            returnresult;
        }
 
        voidshowDateChooser(Point position) {
            Frame owner = (Frame) SwingUtilities.getWindowAncestor(DateChooserJButton.this);
            if(dialog == null|| dialog.getOwner() != owner) {
                dialog = createDialog(owner);
            }
            dialog.setLocation(getAppropriateLocation(owner, position));
            flushWeekAndDay();
            dialog.setVisible(true);
        }
 
        Point getAppropriateLocation(Frame owner, Point position) {
            Point result =new Point(position);
            Point p = owner.getLocation();
            intoffsetX = (position.x + width) - (p.x + owner.getWidth());
            intoffsetY = (position.y + height) - (p.y + owner.getHeight());
 
            if(offsetX > 0) {
                result.x -= offsetX;
            }
 
            if(offsetY > 0) {
                result.y -= offsetY;
            }
 
            returnresult;
        }
 
        privateCalendar getCalendar() {
            Calendar result = Calendar.getInstance();
            result.setTime(getDate());
            returnresult;
        }
 
        privateint getSelectedYear() {
            return((Integer) yearSpin.getValue()).intValue();
        }
 
        privateint getSelectedMonth() {
            return((Integer) monthSpin.getValue()).intValue();
        }
 
        privateint getSelectedHour() {
            return((Integer) hourSpin.getValue()).intValue();
        }
 
        privateint getSelectedMinite() {
            return((Integer) minuteSpin.getValue()).intValue();
        }
 
        privateint getSelectedSecond() {
            return((Integer) secondSpin.getValue()).intValue();
        }
 
        privatevoid dayColorUpdate(booleanisOldDay) {
            Calendar c = getCalendar();
            intday = c.get(Calendar.DAY_OF_MONTH);
            c.set(Calendar.DAY_OF_MONTH,1);
            intactionCommandId = day - 2+ c.get(Calendar.DAY_OF_WEEK);
            inti = actionCommandId / 7;
            intj = actionCommandId % 7;
            if(isOldDay) {
                daysButton[i][j].setForeground(dateFontColor);
            }else {
                daysButton[i][j].setForeground(todayBackColor);
            }
        }
 
        privatevoid flushWeekAndDay() {
            Calendar c = getCalendar();
            c.set(Calendar.DAY_OF_MONTH,1);
            intmaxDayNo = c.getActualMaximum(Calendar.DAY_OF_MONTH);
            intdayNo = 2 - c.get(Calendar.DAY_OF_WEEK);
            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);
        }
 
        /**
         * 选择日期时的响应事件
         */
        @Override
        publicvoid stateChanged(ChangeEvent e) {
            JSpinner source = (JSpinner) e.getSource();
            Calendar c = getCalendar();
            if(source.getName().equals("Hour")) {
                c.set(Calendar.HOUR_OF_DAY, getSelectedHour());
                setDate(c.getTime());
                return;
            }
            if(source.getName().equals("Minute")) {
                c.set(Calendar.MINUTE, getSelectedMinite());
                setDate(c.getTime());
                return;
            }
            if(source.getName().equals("Second")) {
                c.set(Calendar.SECOND, getSelectedSecond());
                setDate(c.getTime());
                return;
            }
 
            dayColorUpdate(true);
 
            if(source.getName().equals("Year")) {
                c.set(Calendar.YEAR, getSelectedYear());
            }else if(source.getName().equals("Month")) {
                c.set(Calendar.MONTH, getSelectedMonth() -1);
            }
            setDate(c.getTime());
            flushWeekAndDay();
        }
 
        /**
         * 选择日期时的响应事件
         */
        @Override
        publicvoid actionPerformed(ActionEvent e) {
            JButton source = (JButton) e.getSource();
            if(source.getText().length() == 0) {
                return;
            }
            dayColorUpdate(true);
            source.setForeground(todayBackColor);
            intnewDay = Integer.parseInt(source.getText());
            Calendar c = getCalendar();
            c.set(Calendar.DAY_OF_MONTH, newDay);
            setDate(c.getTime());
            //把daySpin中的值也变了
            daySpin.setValue(Integer.valueOf(newDay));
        }
    }
 
    /**
     * 测试方法
     */
    publicstatic void main(String[] args) {
        JFrame mainFrame =new JFrame("测试");
        mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        mainFrame.setSize(300,300);
        mainFrame.setLayout(newjava.awt.BorderLayout());
        mainFrame.add(newDateChooserJButton(), java.awt.BorderLayout.CENTER);
 
        Toolkit kit = Toolkit.getDefaultToolkit();
        Dimension screenSize = kit.getScreenSize();
        intwidth = (int) screenSize.getWidth();
        intheight = (int) screenSize.getHeight();
        intw = mainFrame.getWidth();
        inth = mainFrame.getHeight();
        mainFrame.setLocation((width - w) /2, (height - h) /2);
 
        mainFrame.setVisible(true);
    }
}

链接：http://www.open-open.com/lib/view/open1331180887608.html
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