]]>
package com.yixun.wap;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import java.util.GregorianCalendar;import java.util.SimpleTimeZone;import java.util.TimeZone;import org.apache.log4j.Logger;
public class TestCalendar {
private static Logger logger = Logger.getLogger(TestCalendar.class);
public static void main(String[] args) {
/** * Calendar 鏄娊璞＄被錛?br />
*/ Calendar calendar = Calendar.getInstance();// Calendar calendar = new GregorianCalendar(); //Calendar 鐨勪竴涓瓙綾?br />
// Date trialTime = new Date(); calendar.setTime(trialTime); // print out a bunch of interesting things logger.debug("ERA: " + calendar.get(Calendar.ERA)); logger.debug("YEAR: " + calendar.get(Calendar.YEAR)); logger.debug("MONTH: " + calendar.get(Calendar.MONTH)); logger.debug("WEEK_OF_YEAR: " + calendar.get(Calendar.WEEK_OF_YEAR)); logger.debug("WEEK_OF_MONTH: " + calendar.get(Calendar.WEEK_OF_MONTH)); logger.debug("DATE: " + calendar.get(Calendar.DATE)); logger.debug("DAY_OF_MONTH: " + calendar.get(Calendar.DAY_OF_MONTH)); logger.debug("DAY_OF_YEAR: " + calendar.get(Calendar.DAY_OF_YEAR)); logger.debug("DAY_OF_WEEK: " + calendar.get(Calendar.DAY_OF_WEEK)); logger.debug("DAY_OF_WEEK_IN_MONTH: " + calendar.get(Calendar.DAY_OF_WEEK_IN_MONTH)); logger.debug("AM_PM: " + calendar.get(Calendar.AM_PM)); logger.debug("HOUR: " + calendar.get(Calendar.HOUR)); logger.debug("HOUR_OF_DAY: " + calendar.get(Calendar.HOUR_OF_DAY)); logger.debug("MINUTE: " + calendar.get(Calendar.MINUTE)); logger.debug("SECOND: " + calendar.get(Calendar.SECOND)); logger.debug("MILLISECOND: " + calendar.get(Calendar.MILLISECOND)); logger.debug("ZONE_OFFSET: " + (calendar.get(Calendar.ZONE_OFFSET) / (60 * 60 * 1000))); // in // hours logger.debug("DST_OFFSET: " + (calendar.get(Calendar.DST_OFFSET) / (60 * 60 * 1000))); // in hours logger.debug("Date:" + calendar.getTime()); logger.debug("getTimeInMillis:" + calendar.getTimeInMillis()); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date = null; try { date = sdf.parse("1986-6-3 12:30:00"); } catch (ParseException e) { e.printStackTrace(); } calendar.setTime(date); calendar.setTimeInMillis(100000*1000); long times = calendar.getTimeInMillis(); logger.debug(sdf.format(times)); logger.debug(sdf.format(calendar.getTime())); calendar.set(1986, 6, 3); logger.debug(sdf.format(calendar.getTime())); calendar.set(1986, 6, 3, 10, 10, 10); logger.debug(sdf.format(calendar.getTime())); logger.debug(calendar.getTimeZone()); logger.debug(calendar); }
}//[DEBUG 0 ] -> -content:ERA: 1//[DEBUG 16 ] -> -content:YEAR: 2009//[DEBUG 16 ] -> -content:MONTH: 6//[DEBUG 16 ] -> -content:WEEK_OF_YEAR: 30//[DEBUG 16 ] -> -content:WEEK_OF_MONTH: 4//[DEBUG 16 ] -> -content:DATE: 23//[DEBUG 16 ] -> -content:DAY_OF_MONTH: 23//[DEBUG 16 ] -> -content:DAY_OF_YEAR: 204//[DEBUG 16 ] -> -content:DAY_OF_WEEK: 5//[DEBUG 16 ] -> -content:DAY_OF_WEEK_IN_MONTH: 4//[DEBUG 16 ] -> -content:AM_PM: 1//[DEBUG 16 ] -> -content:HOUR: 1//[DEBUG 16 ] -> -content:HOUR_OF_DAY: 13//[DEBUG 16 ] -> -content:MINUTE: 31//[DEBUG 16 ] -> -content:SECOND: 14//[DEBUG 16 ] -> -content:MILLISECOND: 312//[DEBUG 16 ] -> -content:ZONE_OFFSET: 0//[DEBUG 16 ] -> -content:DST_OFFSET: 0//[DEBUG 31 ] -> -content:Date:Thu Jul 23 13:31:14 GMT 2009//[DEBUG 31 ] -> -content:getTimeInMillis:1248355874312//[DEBUG 31 ] -> -content:1970-01-02 03:46:40//[DEBUG 31 ] -> -content:1970-01-02 03:46:40//[DEBUG 31 ] -> -content:1986-07-03 03:46:40//[DEBUG 31 ] -> -content:1986-07-03 10:10:10//[DEBUG 31 ] -> -content:sun.util.calendar.ZoneInfo[id="GMT",offset=0,dstSavings=0,useDaylight=false,transitions=0,lastRule=null]//[DEBUG 31 ] -> -content:java.util.GregorianCalendar[time=520769410000,areFieldsSet=true,areAllFieldsSet=true,lenient=true,zone=sun.util.calendar.ZoneInfo[id="GMT",offset=0,dstSavings=0,useDaylight=false,transitions=0,lastRule=null],firstDayOfWeek=1,minimalDaysInFirstWeek=1,ERA=1,YEAR=1986,MONTH=6,WEEK_OF_YEAR=27,WEEK_OF_MONTH=1,DAY_OF_MONTH=3,DAY_OF_YEAR=184,DAY_OF_WEEK=5,DAY_OF_WEEK_IN_MONTH=1,AM_PM=0,HOUR=10,HOUR_OF_DAY=10,MINUTE=10,SECOND=10,MILLISECOND=0,ZONE_OFFSET=0,DST_OFFSET=0]]]>
import java.util. * ; import java.text. * ; public class DateTest {
public static void main(String[] args) { Calendar cal = Calendar.getInstance(); Date time = cal.getTime(); long t = cal.getTimeInMillis(); Date date = new Date(); // time == date String format1 = new SimpleDateFormat( " yyyy-MM-dd HH:mm:ss " ).format(time); String format2 = new SimpleDateFormat( " yyyy-MM-dd HH:mm:ss " ).format(t); String format3 = new SimpleDateFormat( " yyyy-MM-dd HH:mm:ss " ).format(date): // format1 == format2 == format3 } } 2.String->date
import java.util. * ; import java.text. * ; public class DateTest { public static void main(String[] args) { SimpleDateFormat sdf = new SimpleDateFormat ( " yyyy-MM-dd HH:mm:ss " ); Date date = null ; try { date = sdf.parse( " 2007-10-03 10:10:10 " ); // date 瀵硅薄 } catch (ParseException e) { e.printStackTrace(); } System.out.println(sdf.format(date)); } } 3.鎸囧畾鏍煎紡鍖栨棩鏈熺殑璇█鐜
import java.text.SimpleDateFormat;import java.util.*;public class Test { public static void main(String[] args) { SimpleDateFormat format = new SimpleDateFormat("EEE", Locale.ENGLISH); System.out.println(format.format(Calendar.getInstance().getTime())); //Thu }}4.鑻辮涓嬭В閲婃椂闂存ā寮?br />
|
鏃ユ湡鍜屾椂闂存ā寮? |
緇撴灉 |
|---|---|
"yyyy.MM.dd G 'at' HH:mm:ss z"
| 2001.07.04 AD at 12:08:56 PDT
|
"EEE, MMM d, ''yy"
| Wed, Jul 4, '01
|
"h:mm a"
| 12:08 PM
|
"hh 'o''clock' a, zzzz"
| 12 o'clock PM, Pacific Daylight Time
|
"K:mm a, z"
| 0:08 PM, PDT
|
"yyyyy.MMMMM.dd GGG hh:mm aaa"
| 02001.July.04 AD 12:08 PM
|
"EEE, d MMM yyyy HH:mm:ss Z"
| Wed, 4 Jul 2001 12:08:56 -0700
|
"yyMMddHHmmssZ"
| 010704120856-0700
|
"yyyy-MM-dd'T'HH:mm:ss.SSSZ"
| 2001-07-04T12:08:56.235-0700 |
]]>
package com.Gavin.tools.util;import java.util.Date;import java.text.ParseException;import java.text.SimpleDateFormat;import com.sun.org.apache.bcel.internal.generic.NEW;/** *//** * Title: 鏃ユ湡鏃墮棿 * Description: 宸ュ叿綾?br />
* @author Gavin.lee * @date 09-05-4 9-14am * @version 1.0 */public class DateUtil { public static String date2Dispersion(String date_front, String date_back) { SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date begin = null; Date end = null; try { begin = df.parse(date_front); end = df.parse(date_back); } catch (ParseException e) { e.printStackTrace(); } long between = (end.getTime() - begin.getTime()) / 1000;// 闄や互1000鏄負浜嗚漿鎹㈡垚縐?/span> long day = between / (24 * 3600);//澶?/span> long hour = between % (24 * 3600) / 3600;//灝忔椂 long minute = between % 3600 / 60;//鍒嗛挓 long second = between % 60 / 60;//縐?/span> return day + "澶?/span>" + hour + "灝忔椂" + minute + "鍒嗛挓" + second + "縐?/span>"; } public static void main(String args[]) { System.out.println(DateUtil.date2Dispersion("2004-01-02 11:30:24", "2004-03-26 13:31:40")); }}]]>