根据出生日期，计算年龄，精确到天

最新推荐文章于 2020-04-20 14:50:00 发布

a412588063

最新推荐文章于 2020-04-20 14:50:00 发布

阅读量4.9k

点赞数

分类专栏： Java

本文链接：https://blog.youkuaiyun.com/a412588063/article/details/22048443

版权

Java 专栏收录该内容

38 篇文章

订阅专栏

public static int calcAge(String birthday) {
       int iage = 0;

       if (birthday != "" || birthday != null) {
           int year = Integer.parseInt(birthday.substring(0, 4));
           int month = Integer.parseInt(birthday.substring(5, 7));
           int day = Integer.parseInt(birthday.substring(8,10));

           Calendar birthDate = new GregorianCalendar(year, month, day);
           Calendar today = Calendar.getInstance();

       if (today.get(Calendar.YEAR) > birthDate.get(Calendar.YEAR)) {
           iage = today.get(Calendar.YEAR) - birthDate.get(Calendar.YEAR) - 1;
           if (today.get(Calendar.MONTH) + 1 > birthDate .get(Calendar.MONTH)) {
               iage++;
           } else if (today.get(Calendar.MONTH) + 1 == birthDate .get(Calendar.MONTH)) {

               if (today.get(Calendar.DAY_OF_MONTH) >= birthDate .get(Calendar.DAY_OF_MONTH)) {
                   iage++;
               }
           }
       }
       return iage;
       }
       return 0;
       }