Calendar calendar = Calendar.getInstance();
System.out.println(calendar.getTime());
System.out.println("年：" + calendar.get(calendar.YEAR));
System.out.println("月：" + (1 + calendar.get(Calendar.MONTH)));
System.out.println("日：" + calendar.get(Calendar.DAY_OF_MONTH));
System.out.println("时：" + calendar.get(Calendar.HOUR_OF_DAY));
System.out.println("分：" + calendar.get(Calendar.MINUTE));
System.out.println("秒：" + calendar.get(Calendar.SECOND));
