java获取两个时间的相隔时间，包括年、月、日、时、分、秒

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java获取两个时间的相隔时间，包括年、月、日、时、分、秒

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/**年*/public static final int YEAR_RETURN = 0;/**月*/public static final int MONTH_RETURN = 1;/**日*/public static final int DAY_RETURN = 2;/**时*/public static final int HOUR_RETURN= 3;/**分*/public static final int MINUTE_RETURN = 4;/**秒*/public static final int SECOND_RETURN = 5;/**年*/public static final String YYYY = "yyyy";/**年-月*/public static final String YYYYMM = "yyyy-MM";/**年-月-日*/public static final String YYYYMMDD = "yyyy-MM-dd";/**年-月-日-时*/public static final String YYYYMMDDHH= "yyyy-MM-dd HH";/**年-月-日-时-分*/public static final String YYYYMMDDHHMM = "yyyy-MM-dd HH:mm";/**年-月-日-时-分-秒*/public static final String YYYYMMDDHHMMSS = "yyyy-MM-dd HH:mm:ss";public static long getBetween(String beginTime, String endTime, String formatPattern, int returnPattern) throws ParseException{SimpleDateFormat simpleDateFormat = new SimpleDateFormat(formatPattern);Date beginDate = simpleDateFormat.parse(beginTime);Date endDate = simpleDateFormat.parse(endTime);Calendar beginCalendar = Calendar.getInstance();Calendar endCalendar = Calendar.getInstance();beginCalendar.setTime(beginDate);endCalendar.setTime(endDate);switch (returnPattern) {case YEAR_RETURN:return DateUtils.getByField(beginCalendar, endCalendar, Calendar.YEAR);case MONTH_RETURN:return DateUtils.getByField(beginCalendar, endCalendar, Calendar.YEAR)*12 + DateUtils.getByField(beginCalendar, endCalendar, Calendar.MONTH);case DAY_RETURN:return DateUtils.getTime(beginDate, endDate)/(24*60*60*1000);case HOUR_RETURN:return DateUtils.getTime(beginDate, endDate)/(60*60*1000);case MINUTE_RETURN:return DateUtils.getTime(beginDate, endDate)/(60*1000);case SECOND_RETURN:return DateUtils.getTime(beginDate, endDate)/1000;default:return 0;}}private static long getByField(Calendar beginCalendar, Calendar endCalendar, int calendarField){return endCalendar.get(calendarField) - beginCalendar.get(calendarField);}private static long getTime(Date beginDate, Date endDate){return endDate.getTime() - beginDate.getTime();}public static void main(String[] args) {try {System.out.println(DateUtils.getBetween("2013-05-02", "2013-05-05", DateUtils.YYYYMMDD, DateUtils.DAY_RETURN));} catch (ParseException e) {e.printStackTrace();}}

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2013年8月14日 10:50:16 星期三 蕃薯耀