获取当天开始和结束时间戳

/*** 获取今天开始时间戳** @return*/public Long getNowDayStartTime() {String startTime = DateFormatUtils.format(new Date(), "yyyy-MM-dd 00:00:00");SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Date date = null;try {date = simpleDateFormat.parse(startTime);} catch (ParseException e) {e.printStackTrace();}return date.getTime();}/*** 获取当天结束时间** @return*/public Long getNowDayEndTime() {String endTime = DateFormatUtils.format(new Date(), "yyyy-MM-dd 23:59:59");SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Date date = null;try {date = simpleDateFormat.parse(endTime);} catch (ParseException e) {e.printStackTrace();}return date.getTime();}public static void main(String[] args)throws ParseException{SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");Date date = new Date();Calendar calendar = Calendar.getInstance();calendar.setTime(date);calendar.add(Calendar.DATE, 1);Date parse = df.parse(df.format(calendar.getTime()));System.out.println("获取Parse:" + parse);System.out.println("明天的日期为:" + df.format(calendar.getTime()));calendar.add(Calendar.DATE, -2);System.out.println("昨天的日期为:" + df.format(calendar.getTime()));}