拷贝即可使用
private static final long nd = 1000 * 24 * 60 * 60; private static final long nh = 1000 * 60 * 60; private static final long nm = 1000 * 60; public static String computationTime(Date startTime, Date endTime){ try { long diff = endTime.getTime() - startTime.getTime(); long day = diff / nd; long hour = diff % nd / nh; long min = diff % nd % nh / nm; long sec = diff % nd % nh % nm / 1000; return day + " day " + hour + "hour" + min + " min " + sec + "s"; }catch (Exception e) { e.printStackTrace(); return null; } }