谁能帮我完成我的圣诞倒计时的未完成部分的代码？

Question

import java.util.*;
import java.text.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class TimeFrame extends Thread
{
private Date d;
final Date dd=new Date(2012,12,25,0,0,0);
private JFrame f;
private JLabel b1=new JLabel();
private JLabel b2=new JLabel();
TimeFrame()
{
f=new JFrame("倒计时");
f.setLayout(new FlowLayout());
f.setBounds(300,200,300,200);
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
b2.setText("距圣诞节还有");
f.add(b1);f.add(b2);
}
public void run()
{
while(true)
{
try
{
d=new Date();
SimpleDateFormat sdf=new SimpleDateFormat("yyyy年M月d日 HH:mm:ss");
String s=sdf.format(d);
b1.setText("现在时间是"+s);
Thread.sleep(1000);
}
catch(Exception e)
{
System.out.println(e.getMessage());
}
}

}
}
public class ChristmasDemo
{
public static void main(String[] args)
{
TimeFrame abc=new TimeFrame();
Thread t=new Thread(abc);
t.start();
}
}
剩下的代码应该怎么写呢？

Answer 1

要什么样的结果？
还有几天，or x天y小时z分钟k秒

Answer 2

import java.awt.EventQueue;
import java.awt.Dimension;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowAdapter;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.Box;
import javax.swing.Timer;
import java.util.Locale;import org.joda.time.DateTime;
import org.joda.time.Period;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.PeriodFormatter;
import org.joda.time.format.PeriodFormatterBuilder;public class CountDownTimer {
    public static void main(final java.lang.String[] args) {
        EventQueue.invokeLater(new java.lang.Runnable(){
                @Override public void run(){
                    final JFrame frame = new JFrame("");
                    final JLabel message = new JLabel("");
                    final JLabel countdown = new JLabel("");
                    final Timer timer = new Timer(1000, new ActionListener(){
                            final DateTime XMAS = new DateTime(2012,12,25,0,0,0);
                            final DateTimeFormatter formatter1 = DateTimeFormat.forPattern("yyyy年MM月dd日 HH:mm:ss");
                            final PeriodFormatter formatter = new PeriodFormatterBuilder()
                                .appendPrefix("距圣诞节还有")
                                .appendWeeks()
                                .appendSuffix("周")
                                .appendDays()
                                .appendSuffix("天")
                                .appendHours()
                                .appendSuffix("小时")
                                .appendMinutes()
                                .appendSuffix("分")
                                .appendSeconds()
                                .appendSuffix("秒")
                                .toFormatter();
                            @Override public void actionPerformed(ActionEvent e){
                                DateTime now = DateTime.now();
                                message.setText(String.format("现在时间是：%s",formatter1.print(now)));
                                Period period = new Period(now, XMAS);
                                countdown.setText(formatter.print(period));
                            }
                        });
                    timer.setRepeats(true);
                    Box vbox = Box.createVerticalBox();
                    vbox.add(message);
                    vbox.add(countdown);
                    frame.add(vbox);
                    frame.setPreferredSize(new Dimension(400,200));
                    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                    frame.pack();
                    frame.addWindowListener(new WindowAdapter(){
                            @Override public void windowOpened(WindowEvent e){
                                timer.start();
                            }
                            @Override public void windowClosing(WindowEvent e){
                                timer.stop();
                            }
                        });
                    frame.setVisible(true);
                }
            });
    }
}

Answer 3

五楼说的，我的开发环境里怎么没有org.joda.time包呢？

Answer 4

https://github.com/JodaOrg/joda-time/tree/v2.1

Answer 5

import java.util.*;
import java.text.*;
import java.awt.*;
import javax.swing.*;import javax.swing.*;
class TimeFrame 
{

//private Date d1=new Date(2012,12,25,0,0,0);
String d1="2012-12-25 00:00:00";//定义圣诞那天


private JFrame f;
    private JLabel b1=new JLabel();
    private JLabel b2=new JLabel();
    private JLabel b3=new JLabel();//    private JTextField jtf=new JTextField();
   
    
    public TimeFrame()
    {
     f=new JFrame("倒计时");
     f.setLayout(new FlowLayout(FlowLayout.CENTER,300,10));
        f.setBounds(300,200,300,200);
        f.setVisible(true);
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        b2.setText("距圣诞节还有");
        f.add(b1);
        f.add(b2);
        f.add(b3);
    }
    
    public void start()
    {
        while(true)
        {
            try
            {
            
                SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//定义格式
                String startTime=sdf.format(new Date());//把当前的时间转化成字符串
                b1.setText("现在时间是"+startTime);    
                
                long startTimeMiss=sdf.parse(startTime).getTime();//取得开始时间的毫秒书
                long endTimeMiss=sdf.parse(d1).getTime();//取得结束时间的毫秒数
                long resultTime=endTimeMiss-startTimeMiss;//取得塔门之间的时间
                
    
                long day = resultTime / (24 * 60 * 60 * 1000);
                long hour = (resultTime/ (60 * 60 * 1000) - day * 24);
                long min = ((resultTime / (60 * 1000)) - day * 24 * 60 - hour * 60);
                long se = (resultTime / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
                b3.setText(day+"天" + hour + "小时" + min + "分" + se + "秒 ");
                            
            }
            catch(Exception e)
            {
                System.out.println(e.getMessage());
            }
        }
         
    }
}
public class ChristmasDemo
{
    public static void main(String[] args)
    {
        TimeFrame abc=new TimeFrame();
        abc.start();
    }}