Duration和Period

Duration与Period区别

类	用途	基于
Duration	时间间隔	秒/纳秒
Period	日期间隔	年/月/日

Duration使用

 Duration duration = Duration.ofHours(2);
Duration between = Duration.between(start, end);

duration.toMinutes();
duration.toMillis(); 

Period使用

 Period period = Period.ofDays(7);
Period between = Period.between(date1, date2);

period.getYears();
period.getMonths();
period.getDays(); 

ChronoUnit

 long days = ChronoUnit.DAYS.between(date1, date2);
long hours = ChronoUnit.HOURS.between(time1, time2); 

小结