/** * Java根据用户生日计算年龄 */ public int getAgeByBirthday(Date birthday) { Calendar cal = Calendar.getInstance(); if (cal.before(birthday)) { throw new IllegalArgumentException( "The birthDay is before Now.It's unbelievable!"); } int yearNow = cal.get(Calendar.YEAR); int monthNow = cal.get(Calendar.MONTH) + 1; int dayOfMonthNow = cal.get(Calendar.DAY_OF_MONTH); cal.setTime(birthday); int yearBirth = cal.get(Calendar.YEAR); int monthBirth = cal.get(Calendar.MONTH) + 1; int dayOfMonthBirth = cal.get(Calendar.DAY_OF_MONTH); int age = yearNow - yearBirth; if (monthNow <= monthBirth) { if (monthNow == monthBirth) { // monthNow==monthBirth if (dayOfMonthNow < dayOfMonthBirth) { age--; } } else { // monthNow>monthBirth age--; } } return age; }
Java根据用户生日计算年龄
猜你喜欢
转载自lingfeng520240.iteye.com/blog/2225543
今日推荐
周排行