public String getTimeSinceUploaded() {
String unit = "";
LocalDateTime now = LocalDateTime.now();
long diff;
if ((diff = ChronoUnit.SECONDS.between(dateUploaded, now)) < 60) {
unit = "secs";
} else if ((diff = ChronoUnit.MINUTES.between(dateUploaded, now)) < 60) {
unit = "mins";
} else if ((diff = ChronoUnit.HOURS.between(dateUploaded, now)) < 24) {
unit = "hours";
} else if ((diff = ChronoUnit.DAYS.between(dateUploaded, now)) < 30) {
unit = "days";
} else if ((diff = ChronoUnit.MONTHS.between(dateUploaded, now)) < 12) {
unit = "months";
} else {
diff = ChronoUnit.YEARS.between(dateUploaded, now);
}
return String.format("%d %s", diff, unit);
}
public Integer calculateAge() {
LocalDate dateOfBirth = this.getDateOfBirth();
LocalDate now = LocalDate.now();
if (dateOfBirth == null) return null;
Long age = ChronoUnit.YEARS.between(dateOfBirth, now);
return Math.abs((int) (long) age);
}
/**
* 返回one和two之间年的差距，以one为基准，每七天+1
*
* @param one
* @param two
* @return
*/
public static Long getDiffYears(Date one, Date two) {
if (one.after(two)) {
return getDiffYears(two, one);
}
LocalDate startDate = one.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
LocalDate endDate = two.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
return ChronoUnit.YEARS.between(startDate, endDate);
}
public static void main(String[] args) {
LocalDateTime date1 = LocalDateTime.of(LocalDate.of(1999, 5, 15), LocalTime.of(10, 22));
LocalDateTime date2 = LocalDateTime.of(LocalDate.of(2008, 2, 11), LocalTime.of(5, 33));
System.out.println("date1: " + date1);
System.out.println("date2: " + date2);
System.out.println(ChronoUnit.YEARS.between(date1, date2));
System.out.println(ChronoUnit.MONTHS.between(date1, date2));
System.out.println(ChronoUnit.WEEKS.between(date1, date2));
System.out.println(ChronoUnit.DAYS.between(date1, date2));
System.out.println(ChronoUnit.HOURS.between(date1, date2));
System.out.println(ChronoUnit.MINUTES.between(date1, date2));
System.out.println(ChronoUnit.SECONDS.between(date1, date2));
}
