using System.Globalization; class CnCanlendar_nongli { /// <summary> /// 实例化一个 ChineseLunisolarCalendar /// </summary> private static ChineseLunisolarCalendar ChineseCalendar = new ChineseLunisolarCalendar(); /// <summary> /// 十天干 /// </summary> private static string[] tg = { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" }; /// <summary> /// 十二地支 /// </summary> private static string[] dz = { "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" }; /// <summary> /// 十二生肖 /// </summary> private static string[] sx = { "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪" }; /// <summary> /// 返回农历天干地支年 /// </summary> /// <param name="year">农历年</param> /// <returns></returns> public static string GetLunisolarYear(int year) { if (year > 3) { int tgIndex = (year - 4) % 10; int dzIndex = (year - 4) % 12; return string.Concat(tg[tgIndex], dz[dzIndex], "[", sx[dzIndex], "]"); } throw new ArgumentOutOfRangeException("无效的年份!"); } /// <summary> /// 农历月 /// </summary> /// <returns></returns> private static string[] months = { "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二(腊)" }; /// <summary> /// 农历日 /// </summary> private static string[] days1 = { "初", "十", "廿", "三" }; /// <summary> /// 农历日 /// </summary> private static string[] days = { "一", "二", "三", "四", "五", "六", "七", "八", "九", "十" }; /// <summary> /// 返回农历月 /// </summary> /// <param name="month">月份</param> /// <returns></returns> public static string GetLunisolarMonth(int month) { if (month < 13 && month > 0) { return months[month - 1]; } throw new ArgumentOutOfRangeException("无效的月份!"); } /// <summary> /// 返回农历日 /// </summary> /// <param name="day">天</param> /// <returns></returns> public static string GetLunisolarDay(int day) { if (day > 0 && day < 32) { if (day != 20 && day != 30) { return string.Concat(days1[(day - 1) / 10], days[(day - 1) % 10]); } else { return string.Concat(days[(day - 1) / 10], days1[1]); } } throw new ArgumentOutOfRangeException("无效的日!"); } /// <summary> /// 根据公历获取农历日期 /// </summary> /// <param name="datetime">公历日期</param> /// <returns></returns> public static string GetChineseDateTime(DateTime datetime) { //农历的年月日 int year = ChineseCalendar.GetYear(datetime); int month = ChineseCalendar.GetMonth(datetime); int day = ChineseCalendar.GetDayOfMonth(datetime); //获取闰月， 0 则表示没有闰月 int leapMonth = ChineseCalendar.GetLeapMonth(year); bool isleap = false; if (leapMonth > 0) { if (leapMonth == month) { //闰月 isleap = true; month--; } else if (month > leapMonth) { month--; } } return string.Concat(GetLunisolarYear(year), "年", isleap ? "闰" : string.Empty, GetLunisolarMonth(month), "月", GetLunisolarDay(day)); } }
