SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		java.util.Date now = new Date();  //獲取當前日期
		java.util.Date date=df.parse("2004-01-02 11:09:24");
		long l=now.getTime()-date.getTime();
		long day=l/(24*60*60*1000);
		long hour=(l/(60*60*1000)-day*24);
		long min=((l/(60*1000))-day*24*60-hour*60);
		long s=(l/1000-day*24*60*60-hour*60*60-min*60);
		System.out.println(""+day+"天"+hour+"小時"+min+"分"+s+"秒");