java获取两个时间的相间时间，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