Calendar c = Calendar.getInstance();//可以对每个时间域单独修改

	int year = c.get(Calendar.YEAR);

	int month = c.get(Calendar.MONTH)+1;

	int day = c.get(Calendar.DATE);

	int hour = c.get(Calendar.HOUR_OF_DAY);

	int minute = c.get(Calendar.MINUTE);

	int second = c.get(Calendar.SECOND); 

	Date d = new Date();

	SimpleDateFormat sfYear = new SimpleDateFormat("yyyy");

	SimpleDateFormat sfMonth = new SimpleDateFormat("MM");

	SimpleDateFormat sfDay = new SimpleDateFormat("dd");

	SimpleDateFormat sfHour = new SimpleDateFormat("HH");//大写的双H表示24小时，小写的表示12小时

	SimpleDateFormat sfMinute = new SimpleDateFormat("mm");

	SimpleDateFormat sfSecond = new SimpleDateFormat("ss");

	year = Integer.valueOf(sfYear.format(d));

	month = Integer.valueOf(sfMonth.format(d));

	day = Integer.valueOf(sfDay.format(d));

	hour = Integer.valueOf(sfHour.format(d));

	minute = Integer.valueOf(sfMinute.format(d));

	second = Integer.valueOf(sfSecond.format(d));