我想得到當前時間的當天日期範圍
比如現在是 2007-3-1 13:24:59
要得到 2007-3-1 00:00:00 和 2007-3-2 00:00:00 long now=System.currentTimeMillis();
Date curDate=new Date(now);
Date todayBegin=new Date(now-(now%(24*60*60*1000)));
Date todayEnd=new Date(now-(now%(24*60*60*1000))+24*60*60*1000);
爲什麽得到的結果不准缺呢?誰告訴我原因
比如現在是 2007-3-1 13:24:59
要得到 2007-3-1 00:00:00 和 2007-3-2 00:00:00 long now=System.currentTimeMillis();
Date curDate=new Date(now);
Date todayBegin=new Date(now-(now%(24*60*60*1000)));
Date todayEnd=new Date(now-(now%(24*60*60*1000))+24*60*60*1000);
爲什麽得到的結果不准缺呢?誰告訴我原因
DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
Date todayBegin = formatter.parse(formatter.format(date));
Date todayEnd = new Date(todayBegin.getTime()+24*60*60*1000);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
Date begin = cal.getTime();
cal.add(Calendar.DAY_OF_YEAR, 1);
Date end = cal.getTime();