Java count down
public static void main(String[] args){
SimpleDateFormat da = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
Calendar calendar = Calendar.getInstance();
Date date = calendar.getTime();
String aimTime ="2010-02-03 17:30:00.000";
int count = 0;
Date aimDate = da.parse(aimTime,new ParsePosition(0));
long subTime = aimDate.getTime() - System.currentTimeMillis();
while (true) {
double subTimeD = new
Long(subTime).doubleValue();
double lastDay = subTimeD/(24.0*3600.0*1000.0);
// System.out.println("Ê£Óࣺ"+lastDay+"Ìì");
double lastHour = subTimeD/(3600.0*1000.0)-Math.floor(lastDay)*24.0;
// System.out.println("Ê£Óࣺ"+lastHour+"Сʱ");
double lastMinute = subTimeD/(60.0*1000.0)-Math.floor(lastDay)*24.0*60.0-Math.floor(lastHour)*60.0;
// System.out.println("Ê£Óࣺ"+lastMinute+"·ÖÖÓ");
double lastSecond = subTimeD/(1000.0)-Math.floor(lastDay)*24.0*60.0*60.0-Math.floor(lastHour)*60.0*60.0-Math.floor(lastMinute)*60.0;
// System.out.println("Ê£Óࣺ"+lastSecond+"Ãë");
count++;
System.out.println(count+" last "+
Math.floor(lastDay) + " DAY " +
Math.floor(lastHour) + " HOUR " +
Math.floor(lastMinute) + " MINUTES " + new DecimalFormat("0.0").format(lastSecond) + " SECONDS");
subTime = subTime-100;
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
Ïà¹ØÎĵµ£º
1.·½·¨ÖØÔØ£ºÊÇÖ¸ÔÚÒ»¸öÀàÖÐÓжà¸ö·½·¨µÄÃû×ÖÏàͬ£¬µ«ÕâЩ·½·¨µÄ²ÎÊý±ØÐ벻ͬ£¬¼´ÒªÃ´ÊDzÎÊýµÄ¸öÊý²»Í¬£¬ÒªÃ´ÊDzÎÊýµÄÀàÐͲ»Í¬
×¢Ò⣺ÔÚ·½·¨ÖØÔØÖУ¬·½·¨µÄ·µ»ØÀàÐͺͲÎÊýµÄÃû×Ö²»²ÎÓë±È½Ï
2.·½·¨ÖвÎÊýµÄ´«Öµ£ ......
ÀàÊÇÒ»¸ö³éÏóµÄ¸ÅÄÊÇÖ¸°Ñ¾ßÓÐÏàͬÊôÐÔºÍÏàͬÐÐÎªÌØÕ÷µÄ¶ÔÏó¹éΪһÌå
¶ø¶ÔÏó¾ÍÊÇÒ»¸ö¾ßÌåµÄÊÂÎËüÊÇÊôÓÚij¸öÀàµÄÒ»¸öÌØÀý
ÔÚÒ»¸öÀàÖУ¬Ö»ÓÐÊôÐÔ¶¨ÒåºÍ·½·¨¶¨Ò岿·Ö£¬ÆäËûÓï¾ä¶¼ÊÇ´íÎó ......
http://www.andykhan.com/jexcelapi/¿ÉÒÔÏÂÔØµ½µÚÈý·½jxl.jar°ü£¬²¢ÇÒexcelÒª±£´æÎª2003»òÒÔǰµÄ°æ±¾
package com.excel;
// 1 Îļþ¶ÔÏó 2¹¤×÷²¾¶ÔÏó 3 µ¥Ôª¸ñ¶ÔÏó¡£
//ÏàÓ¦µÄÔÚJXLÖоÍÓÐWorkbook£¬Sheet £¬Cell ¡£
import java.io.*;
import jxl.*;
public class GetExcelValues3 {
public static void main(Strin ......
¼òÑÔÖ®,Èç¹û²»ÓõÚÈý·½ÌṩµÄ½Ó¿Ú
ÄÇ×îºÃµÄ½â¾ö·½°¸Ó¦¸ÃÊǵ±SESSION½¨Á¢Ê±sessionCreated(),ÔÚ·ÃÎÊ×ÜÊýºÍµ±Ç°ÔÚÏßÈËÊýÉÏ+1
µ±SESSIONÏú»ÙʱsessionDistroyed(),ÔÚÏßÈËÊý-1
ºËÐÄ·½·¨ÊÇÀûÓÃListener¼àÌýµÄ¸÷ÖÖ½Ó¿Ú
ÎÒ°Ñ´úÂë(Ö÷Òª²¿·Ö)ÌùÔÚÏÂÃæ
´Ë¶Î´úÂëÎÒÇ××ÔʹÓùý,ûÓÐÎÊÌâ
µ«ÒòΪ¼Ì³ÐÁ˽ӿÚ,ÓÐЩδʹÓõķ½·¨Ò²Òª² ......
Java ½Ó¿ÚºÍ³éÏóÀàÇø±ð ÊÕ²Ø
À´Ô´ http://blog.csdn.net/sunboard/archive/2009/01/18/3831823.aspx
Ò»¸öÈí¼þÉè¼ÆµÄºÃ»µ£¬ÎÒÏëºÜ´ó³Ì¶ÈÉÏÈ¡¾öÓÚËüµÄÕûÌå¼Ü¹¹£¬¶øÕâ¸öÕûÌå¼Ü¹¹Æäʵ¾ÍÊÇÄã¶ÔÕû¸öºê¹ÛÉÌÒµÒµÎñµÄ³éÏó¿ò¼Ü£¬µ±´ú±íÒµÎñÂß¼µÄ¸ß²ã³éÏó²ã½á¹¹ ºÏÀíʱ£¬Äãµ×²ãµÄ¾ßÌåʵÏÖÐèÒª¿¼Âǵľͽö½öÊÇһЩËã·¨ºÍһЩ¾ßÌåµÄÒµ ......