// date为当前时间 date1为过期时间

public static String judgeDeadLine(Date date, Date date1) throws IllegalAccessException {

if (date == null || date1 == null)

throw new IllegalAccessException("日期不可为空");

long time1 = date.getTime(), time2 = date1.getTime();

if (time1 - time2 > 0) {

System.out.println("已经过期");

return null;

}

long second = (time2 - time1) / 1000;

StringBuilder sb = new StringBuilder("还剩");

int day = (int) (second / 86400);

sb.append(day).append("天");

second %= 86400;

int hour = (int) (second / 3600);

sb.append(hour).append("小时");

second %= 3600;

int min = (int) (second / 60);

sb.append(min).append("分").append(second %= 60).append("秒过期");

return sb.toString();

}