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1.把出生日期字符串转换为日期格式. public static Date parse(String strDate) throws ParseException { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); return sdf.parse(strDate); } 2.计算年龄 public static int getAge(Date birthDay) throws Exception { Calenda…

依据出生日期计算年龄 public class DateGetAge { public static int getAge(Date birthDay) throws Exception { Calendar cal = Calendar.getInstance(); if (cal.before(birthDay)) { throw new IllegalArgumentException( "The birthDay is before Now.It's unbelievable!"…

根据生日计算年龄可以通过Calendar实现.最简单可以考虑get(Calendar.DAY_OF_YEAR)来简单修正年龄,但是遇到生日在闰年的2月29之后,或者今年是闰年的2月29之后可能出现计算不准,误差一天.所以还是老实判断年月日好了. // 根据生日计算年龄,判断了年月日,比简单的年份上计算更精准 public static int getAge(Date birthDay) throws Exception {         Calendar cal = Calendar.getI…

/** * @author jerry.chen * @param brithday * @return * @throws ParseException * 根据生日获取年龄; */ public static int getCurrentAgeByBirthdate(String brithday) throws ParseException, Exception { try { Calendar calendar = Calendar.getInstance(); SimpleDateFo…

package com.web.backend.util; import java.util.Calendar;import java.util.Date; /** * @Author: SongZS * @Description: 通过生日获取年龄计算工具 * @Date: Created in 18:23 2018/8/16 * @Modified By: */public class GetAgeByBirthdayUtil { public static int getAgeByBirt…

import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; /** * Created by qing on 2017/3/28. */ public class AgeUtils { // 根据年月日计算年龄,birthTimeString:"1994-11-14" public static int getAgeFromBirthTime(String birthTimeS…

public static String getAgeTxt(String birthTime,String beginTime,int level){ if(StringUtils.isBlank(birthTime)||StringUtils.isBlank(beginTime)){ System.out.println("参数中有空值!"); } int year = 0,month=0,day=0,hour=0; Date birthDate = getDateByString…

技术交流群: 233513714 /** * 根据身份证计算年龄 * * @param idcard * @return */ public static Integer idCardToAge(String idcard) { Integer selectYear = Integer.valueOf(idcard.substring(6, 10)); //出生的年份 Integer selectMonth = Integer.valueOf(idcard.substring(10, 12));…

精确到天计算年龄 public static int getAgeByCardId(String card) throws Exception { Integer len = card.length(); if (len == CHINA_ID_MIN_LENGTH) { card = conver15CardTo18(card); } String birthDate = card.substring(6, 14); SimpleDateFormat sdf = new SimpleDateF…