c#农历转公历以及公历转农历

/// <summary> /// 将 农历(阴历) 转换为 公历(阳历,西历) /// 如果传入的参数中的年份是润年，需要另外进行加上润月的天数，简单测试，但没有做过多的测试，不知是否完全正确 /// /// DateTime dt = Convert.ToDateTime("2010-05-21 00:00:00"); /// MessageBox.Show(calendarChineseLunisolarToSolar(dt).ToString()); /// /// </summary> /// public static DateTime calendarChineseLunisolarToSolar(DateTime ChineseLunisolarDateTime) { System.Globalization.ChineseLunisolarCalendar cal = new System.Globalization.ChineseLunisolarCalendar(); if (ChineseLunisolarDateTime.Year < 1902 || ChineseLunisolarDateTime.Year > 2100) throw new Exception("只支持1902～2100期间的农历年"); DateTime dt = cal.ToDateTime(ChineseLunisolarDateTime.Year, ChineseLunisolarDateTime.Month, ChineseLunisolarDateTime.Day, 0, 0, 0, 0); //检测是否含有润月 int leapMonth = cal.GetLeapMonth(ChineseLunisolarDateTime.Year); int leapMonthInDays = 0; if (leapMonth > 0) { //有润月，则读到这个润月里面的天数 leapMonthInDays = cal.GetDaysInMonth(ChineseLunisolarDateTime.Year, ChineseLunisolarDateTime.Month); } dt = dt.AddDays(leapMonthInDays); return dt; } /// <summary> /// 将公历(阳历,西历) 转换为 农历(阴历) /// /// DateTime dt = Convert.ToDateTime("2010-07-2 00:00:00"); /// MessageBox.Show(calendarSolarToChineseLunisolar(dt).ToString()); /// /// </summary> /// public static DateTime calendarSolarToChineseLunisolar(DateTime SolarDateTime) { System.Globalization.ChineseLunisolarCalendar cal = new System.Globalization.ChineseLunisolarCalendar(); int cYear = cal.GetYear(SolarDateTime); int cMonth = cal.GetMonth(SolarDateTime); int cDay = cal.GetDayOfMonth(SolarDateTime); DateTime dt = Convert.ToDateTime( Convert.ToString(cYear) + "-" + Convert.ToString(cMonth) + "-" + Convert.ToString(cDay) + " 00:00:00"); return dt; }