Java8使用LocalDate 获取日期间隔年、月、日，生日

间隔年、月、日，生日"/>

Java8使用LocalDate 获取日期间隔年、月、日，生日

1、代码

package com.myfutech.insure.service.api.util;import org.apachemons.lang3.time.DateUtils;import java.time.LocalDate;
import java.time.ZoneId;
import java.time.temporal.ChronoUnit;
import java.util.Date;/*** @author liuxd* 生日计算公式* 周岁 = 现年份-出生年份（今年的生日已经过了）* 或者：周岁 = 现年份-出生年份-1（今年的生日还没过）* @version 1.0* @date 2020-01-13 14:23*/
public class AgeUtil {public static int getYearsAge(Date birthDay) {LocalDate to = LocalDate.now();LocalDate from = date2LocalDate(birthDay);int age = (int) ChronoUnit.YEARS.between(from, to);return age;}public static int getMothsAge(Date birthDay) {LocalDate to = LocalDate.now();LocalDate from = date2LocalDate(birthDay);int age = (int) ChronoUnit.MONTHS.between(from, to);return age;}public static int getDaysAge(Date birthDay) {LocalDate to = LocalDate.now();LocalDate from = date2LocalDate(birthDay);int age = (int) ChronoUnit.DAYS.between(from, to);return age;}/*** Date转LocalDate** @param date*/public static LocalDate date2LocalDate(Date date) {if (null == date) {return null;}return date.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();}public static void main(String[] args) throws Exception {Date date = DateUtils.parseDate("2019-01-14", "yyyy-MM-dd");int yearsAge = getYearsAge(date);int monthsAge = getMothsAge(date);int daysAge = getDaysAge(date);System.out.println(yearsAge);System.out.println(monthsAge);System.out.println(daysAge);}}