public static void main(String[] args) {
final Calendar cal = Calendar.getInstance();
cal.set(Calendar.DAY_OF_MONTH, cal.get(Calendar.DAY_OF_MONTH) + 1);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
final double diff = cal.getTimeInMillis() - System.currentTimeMillis();
System.out.println(diff/86400000+" days left.");
}
追问谢谢了