/// <summary>
 /// 获得指定公历的农历表述方式
 /// </summary>
 /// <param name="calendar"></param>
 /// <param name="date"></param>
 /// <returns></returns>
 public static string GetLunisolarDateString(this ChineseLunisolarCalendar calendar, DateTime date)
 {
     return(calendar.GetLunisolarYear(date) + "年" + calendar.GetLunisolarMonth(date) + calendar.GetLunisolarDay(date));
 }