Java Computing Age

1      Public StaticString Getagetxt (String birthtime,string beginTime,intLevel ) {2         if(Stringutils.isblank (birthtime) | |Stringutils.isblank (BeginTime)) {3System.out.println ("There is a null value in the parameter! ");4         }5         6         intYear = 0,month=0,day=0,hour=0;7         8Date birthDate = getdatebystring (Birthtime, "Yyyy-mm-dd HH:mm:ss");9Date begindate = getdatebystring (BeginTime, "Yyyy-mm-dd HH:mm:ss");TenCalendar cbirthdate =calendar.getinstance (); OneCalendar cbegindate =calendar.getinstance (); A Cbirthdate.settime (birthDate); - Cbegindate.settime (begindate); -          the         if(Cbegindate.get (Calendar.year) <Cbirthdate.get (calendar.year)) { -             return"Date of birth is greater than current time"; -         } -          +         //Calculate Birth Hours -         if(Cbegindate.get (Calendar.hour_of_day) <Cbirthdate.get (Calendar.hour_of_day)) { +hour = Cbegindate.get (calendar.hour_of_day) +24-Cbirthdate.get (calendar.hour_of_day); ADay = Day-1; at}Else{ -hour = Cbegindate.get (calendar.hour_of_day)-Cbirthdate.get (calendar.hour_of_day); -         } -          -         //Calculate a birthday -         if(Cbegindate.get (Calendar.day_of_month) <Cbirthdate.get (Calendar.day_of_month)) { inDay = day + cbegindate.get (calendar.day_of_month) + cbirthdate.getactualmaximum (calendar.day_of_month)-Cbirthdate.get (calendar.day_of_month); -month = Month-1; to}Else { +Day = day + cbegindate.get (calendar.day_of_month)-Cbirthdate.get (calendar.day_of_month); -         } the          *         //Calculate Birth Month $         if(Cbegindate.get (Calendar.month) <Cbirthdate.get (Calendar.month)) {Panax NotoginsengMonth = month + cbegindate.get (calendar.month) +12-Cbirthdate.get (calendar.month); -Year = Year-1; the}Else{ +Month = month + cbegindate.get (calendar.month)-Cbirthdate.get (calendar.month); A         } the          +         //calculate year of birth -Year = year + cbegindate.get (calendar.year)-Cbirthdate.get (calendar.year); $          $         if(Year >7){ -             returnyear+ "Old"; -}Else if(Year >0 && year <7){ the             if(month>0 && Month <10){ -                 returnyear+ "Year 0" +month+ "month";Wuyi}Else if(Month >=10 ){ the                 returnyear+ "Year" +month+ "month"; -}Else { Wu                 if(day>0){ -                     returnYear+ "Age 0" +day+ "Day"; About}Else{ $                     returnyear+ "Old"; -                 } -             } -}Else { A             if(Month >0){ +                 if(Day >0 && Day <10){ the                     returnmonth+ "Month 0" +day+ "Day"; -}Else if(Day >=10){ $                     returnmonth+ "months" +day+ "Days"; the}Else{ the                     returnmonth+ "Months"; the                 } the}Else{ -                 if(Day >0){ in                     if(Hour >0 && hour <10){ the                         returnday+ "Day 0" +hour+ "hour"; the}Else if(Hour >=10){ About                         returnday+ "Days" +hour+ "hours"; the}Else{ the                         returnDay+ "Day"; the                     } +}Else{ -                     if(hour>0){ the                         returnhour+ "Hours";Bayi}Else{ the                         return"Less than an hour of birth"; the                     } -                 } -             } the         } the}

One of the more important points

1. Calendar.getactualmaximum () calculates the maximum value in the corresponding range

2, the calculation age should be from small to large computing age, so convenient to calculate the age behind (using the principle of subtraction);

Java Computing Age