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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
DateTime begin = new DateTime(1996, 10, 23);
DateTime end = new DateTime(2018, 9, 27);
Console.WriteLine(calculationDate(begin, end));
Console.ReadKey();
}
public static string calculationDate(DateTime beginDateTime, DateTime endDateTime)
{
if (beginDateTime > endDateTime)
{
return "开始时间应小于或等与结束时间!";
}
// 计算出生日期到当前日期总月数
int Months = endDateTime.Month - beginDateTime.Month + 12 * (endDateTime.Year - beginDateTime.Year);
// 出生日期加总月数后,如果大于当前日期则减一个月
int totalMonth = (beginDateTime.AddMonths(Months) > endDateTime) ? Months - 1 : Months;
// 计算整年
int fullYear = totalMonth / 12;
// 计算整月
int fullMonth = totalMonth % 12;
// 计算天数
DateTime changeDate = beginDateTime.AddMonths(totalMonth);
double days = (endDateTime - changeDate).TotalDays;
string returnStr = "";
if(fullYear > 0)
{
returnStr += fullYear + "岁";
}
if(fullMonth > 0)
{
returnStr += fullMonth + "月";
}
if (days > 0)
{
returnStr += days + "天";
}
return returnStr;
}
}
}