根据身日获取，x岁x月x天

 DateTime startDate = new DateTime();
            DateTime endDate = new DateTime();

            int age =0;
            int month = 0;
            int day = 0;
         
            if (endDate.Month>startDate.Month)
            {
                age = endDate.Year - startDate.Year;
                month = endDate.Month - startDate.Month;
            }
            else 
            {
                age = endDate.Year - startDate.Year-1;
                month =12+ endDate.Month - startDate.Month;
            }

            if (endDate.Day>startDate.Day)
            {
                day = endDate.Day - startDate.Day;
            }
            else
            {
                //上个月天数-startDate.Day+endDate.Day
                day = (endDate-endDate.AddMonths(-1)).Days  - startDate.Day+endDate.Day;
                month--;
            }
            Response.Write(string.Format("{0}岁{1}月{2}天", age, month, day));

        $age=0;
        $month=0;
        $day=0;
        
        $startDate=strtotime("2010-09-08 07:06:05");
        $endDate=strtotime("2015-06-05 07:06:05");
        if(date(‘n‘,$endDate)>date(‘n‘,$startDate)){
            $age=date(‘Y‘,$endDate)-date(‘Y‘,$startDate);
            $month=date(‘n‘,$endDate)-date(‘n‘,$startDate);
        }else{
            $age=date(‘Y‘,$endDate)-date(‘Y‘,$startDate)-1;
            $month=12+date(‘n‘,$endDate)-date(‘n‘,$startDate);
        }
        
        if(date(‘j‘,$endDate)>date(‘j‘,$startDate)){
            $day = date(‘j‘,$endDate)-date(‘j‘,$startDate);
        }else{
            $day= date(‘t‘,strtotime(‘-1 Month‘,$endDate))-date(‘j‘,$startDate)+date(‘j‘,$endDate);
            $month--;
        }        
        echo  sprintf(‘%s岁%s月%s天‘,$age,$month,$day);

  
           Calendar startDate = Calendar.getInstance();
           startDate.setTime(new SimpleDateFormat("yyyy-MM-dd").parse("2010-09-08"));
           
           Calendar endDate = Calendar.getInstance();
           endDate.setTime(new SimpleDateFormat("yyyy-MM-dd").parse("2010-10-5"));
           
           int age =0;
           int month = 0;
           int day = 0;
           if(endDate.get(Calendar.MONTH)>startDate.get(Calendar.MONTH)){
               age = endDate.get(Calendar.YEAR) - startDate.get(Calendar.YEAR);
               month = endDate.get(Calendar.MONTH)-startDate.get(Calendar.MONTH);               
           }else{
               age = endDate.get(Calendar.YEAR) - startDate.get(Calendar.YEAR)-1;
               month =12+ endDate.get(Calendar.MONTH)-startDate.get(Calendar.MONTH);               
           }
           
           
           if(endDate.get(Calendar.DAY_OF_MONTH)>startDate.get(Calendar.DAY_OF_MONTH)){
               day = endDate.get(Calendar.DAY_OF_MONTH)-startDate.get(Calendar.DAY_OF_MONTH);           
           }else{
               Calendar preEndDate = Calendar.getInstance();  
               preEndDate.set(Calendar.YEAR, endDate.get(Calendar.YEAR));  
               preEndDate.set(Calendar.MONTH, endDate.get(Calendar.MONTH));  
               preEndDate.set(Calendar.DATE, 1);
               preEndDate.roll(Calendar.DATE, -1);
               int preMonthDays = preEndDate.get(Calendar.DATE);  
               
               day =preMonthDays+endDate.get(Calendar.DAY_OF_MONTH)-startDate.get(Calendar.DAY_OF_MONTH);
               month--;           
           }
           System.out.printf("%s岁%s月%s天",age,month,day);