timer

Date date = null;
				date = new Date();
				String dateStr = format.format(date);
				
				Timer timer = new Timer();
				String str = dateStr.split(" ")[0]+" "+prop.getProperty("time");
				try {
					date = format.parse(str);
				}
				catch (ParseException e1) {
					e1.printStackTrace();
				}
				System.out.println(date.toLocaleString());
				MyTimerTask mtt = new MyTimerTask();
				timer.schedule(mtt, date);
				JOptionPane.showMessageDialog(null, "自动打卡系统已启动！");