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Posted on 2009-07-22 23:49 Gavin.lee 阅读(435) 评论(0) 编辑 收藏 所属分类: Date tools
 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 是抽象类，
 */
Calendar calendar = Calendar.getInstance();
// Calendar calendar = new GregorianCalendar(); //Calendar 的一个子类
//
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]
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