using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Text.RegularExpressions; using System.Globalization; using System.Text; /// <summary> /// 阴历阳历日期转换类 /// </summary> public sealed class ChineseCalendarInfo { private DateTime m_SolarDate; private int m_LunarYear, m_LunarMonth, m_LunarDay; private bool m_IsLeapMonth = false; private string m_LunarYearSexagenary = null, m_LunarYearAnimal = null; private string m_LunarYearText = null, m_LunarMonthText = null, m_LunarDayText = null; private string m_SolarWeekText = null, m_SolarConstellation = null, m_SolarBirthStone = null; #region 构造函数 public ChineseCalendarInfo() : this(DateTime.Now.Date) { } /// <summary> /// 从指定的阳历日期创建中国日历信息实体类 /// </summary> /// <param name="date">指定的阳历日期</param> public ChineseCalendarInfo(DateTime date) { m_SolarDate = date; LoadFromSolarDate(); } private void LoadFromSolarDate() { m_IsLeapMonth = false; m_LunarYearSexagenary = null; m_LunarYearAnimal = null; m_LunarYearText = null; m_LunarMonthText = null; m_LunarDayText = null; m_SolarWeekText = null; m_SolarConstellation = null; m_SolarBirthStone = null; m_LunarYear = calendar.GetYear(m_SolarDate); m_LunarMonth = calendar.GetMonth(m_SolarDate); int leapMonth = calendar.GetLeapMonth(m_LunarYear); if (leapMonth == m_LunarMonth) { m_IsLeapMonth = true; m_LunarMonth -= 1; } else if (leapMonth > 0 && leapMonth < m_LunarMonth) { m_LunarMonth -= 1; } m_LunarDay = calendar.GetDayOfMonth(m_SolarDate); CalcConstellation(m_SolarDate, out m_SolarConstellation, out m_SolarBirthStone); } #endregion #region 日历属性 /// <summary> /// 阳历日期 /// </summary> public DateTime SolarDate { get { return m_SolarDate; } set { if (m_SolarDate.Equals(value)) return; m_SolarDate = value; LoadFromSolarDate(); } } /// <summary> /// 星期几 /// </summary> public string SolarWeekText { get { if (string.IsNullOrEmpty(m_SolarWeekText)) { int i = (int)m_SolarDate.DayOfWeek; m_SolarWeekText = ChineseWeekName[i]; } return m_SolarWeekText; } } /// <summary> /// 阳历星座 /// </summary> public string SolarConstellation { get { return m_SolarConstellation; } } /// <summary> /// 阳历诞生石 /// </summary> public string SolarBirthStone { get { return m_SolarBirthStone; } } /// <summary> /// 阴历年份 /// </summary> public int LunarYear { get { return m_LunarYear; } } /// <summary> /// 阴历月份 /// </summary> public int LunarMonth { get { return m_LunarMonth; } } /// <summary> /// 是否阴历闰月 /// </summary> public bool IsLeapMonth { get { return m_IsLeapMonth; } } /// <summary> /// 阴历月中日期 /// </summary> public int LunarDay { get { return m_LunarDay; } } /// <summary> /// 阴历年干支 /// </summary> public string LunarYearSexagenary { get { if (string.IsNullOrEmpty(m_LunarYearSexagenary)) { int y = calendar.GetSexagenaryYear(this.SolarDate); m_LunarYearSexagenary = CelestialStem.Substring((y - 1) % 10, 1) + TerrestrialBranch.Substring((y - 1) % 12, 1); } return m_LunarYearSexagenary; } } /// <summary> /// 阴历年生肖 /// </summary> public string LunarYearAnimal { get { if (string.IsNullOrEmpty(m_LunarYearAnimal)) { int y = calendar.GetSexagenaryYear(this.SolarDate); m_LunarYearAnimal = Animals.Substring((y - 1) % 12, 1); } return m_LunarYearAnimal; } } /// <summary> /// 阴历年文本 /// </summary> public string LunarYearText { get { if (string.IsNullOrEmpty(m_LunarYearText)) { m_LunarYearText = Animals.Substring(calendar.GetSexagenaryYear(new DateTime(m_LunarYear, 1, 1)) % 12 - 1, 1); StringBuilder sb = new StringBuilder(); int year = this.LunarYear; int d; do { d = year % 10; sb.Insert(0, ChineseNumber[d]); year = year / 10; } while (year > 0); m_LunarYearText = sb.ToString(); } return m_LunarYearText; } } /// <summary> /// 阴历月文本 /// </summary> public string LunarMonthText { get { if (string.IsNullOrEmpty(m_LunarMonthText)) { m_LunarMonthText = (this.IsLeapMonth ? "闰" : "") + ChineseMonthName[this.LunarMonth - 1]; } return m_LunarMonthText; } } /// <summary> /// 阴历月中日期文本 /// </summary> public string LunarDayText { get { if (string.IsNullOrEmpty(m_LunarDayText)) m_LunarDayText = ChineseDayName[this.LunarDay - 1]; return m_LunarDayText; } } #endregion /// <summary> /// 根据指定阳历日期计算星座＆诞生石 /// </summary> /// <param name="date">指定阳历日期</param> /// <param name="constellation">星座</param> /// <param name="birthstone">诞生石</param> public static void CalcConstellation(DateTime date, out string constellation, out string birthstone) { int i = Convert.ToInt32(date.ToString("MMdd")); int j; if (i >= 321 && i <= 419) j = 0; else if (i >= 420 && i <= 520) j = 1; else if (i >= 521 && i <= 621) j = 2; else if (i >= 622 && i <= 722) j = 3; else if (i >= 723 && i <= 822) j = 4; else if (i >= 823 && i <= 922) j = 5; else if (i >= 923 && i <= 1023) j = 6; else if (i >= 1024 && i <= 1121) j = 7; else if (i >= 1122 && i <= 1221) j = 8; else if (i >= 1222 || i <= 119) j = 9; else if (i >= 120 && i <= 218) j = 10; else if (i >= 219 && i <= 320) j = 11; else { constellation = "未知星座"; birthstone = "未知诞生石"; return; } constellation = Constellations[j]; birthstone = BirthStones[j]; #region 星座划分 //白羊座： 3月21日------4月19日 诞生石： 钻石 //金牛座： 4月20日------5月20日 诞生石： 蓝宝石 //双子座： 5月21日------6月21日 诞生石： 玛瑙 //巨蟹座： 6月22日------7月22日 诞生石： 珍珠 //狮子座： 7月23日------8月22日 诞生石： 红宝石 //处女座： 8月23日------9月22日 诞生石： 红条纹玛瑙 //天秤座： 9月23日------10月23日 诞生石： 蓝宝石 //天蝎座： 10月24日-----11月21日 诞生石： 猫眼石 //射手座： 11月22日-----12月21日 诞生石： 黄宝石 //摩羯座： 12月22日-----1月19日 诞生石： 土耳其玉 //水瓶座： 1月20日-----2月18日 诞生石： 紫水晶 //双鱼座： 2月19日------3月20日 诞生石： 月长石，血石 #endregion } #region 阴历转阳历 /// <summary> /// 获取指定年份春节当日（正月初一）的阳历日期 /// </summary> /// <param name="year">指定的年份</param> private static DateTime GetLunarNewYearDate(int year) { DateTime dt = new DateTime(year, 1, 1); int cnYear = calendar.GetYear(dt); int cnMonth = calendar.GetMonth(dt); int num1 = 0; int num2 = calendar.IsLeapYear(cnYear) ? 13 : 12; while (num2 >= cnMonth) { num1 += calendar.GetDaysInMonth(cnYear, num2--); } num1 = num1 - calendar.GetDayOfMonth(dt) + 1; return dt.AddDays(num1); } /// <summary> /// 阴历转阳历 /// </summary> /// <param name="year">阴历年</param> /// <param name="month">阴历月</param> /// <param name="day">阴历日</param> /// <param name="IsLeapMonth">是否闰月</param> public static DateTime GetDateFromLunarDate(int year, int month, int day, bool IsLeapMonth) { if (year < 1902 || year > 2100) throw new Exception("只支持1902～2100期间的农历年"); if (month < 1 || month > 12) throw new Exception("表示月份的数字必须在1～12之间"); if (day < 1 || day > calendar.GetDaysInMonth(year, month)) throw new Exception("农历日期输入有误"); int num1 = 0, num2 = 0; int leapMonth = calendar.GetLeapMonth(year); if (((leapMonth == month + 1) && IsLeapMonth) || (leapMonth > 0 && leapMonth <= month)) num2 = month; else num2 = month - 1; while (num2 > 0) { num1 += calendar.GetDaysInMonth(year, num2--); } DateTime dt = GetLunarNewYearDate(year); return dt.AddDays(num1 + day - 1); } /// <summary> /// 阴历转阳历 /// </summary> /// <param name="date">阴历日期</param> /// <param name="IsLeapMonth">是否闰月</param> public static DateTime GetDateFromLunarDate(DateTime date, bool IsLeapMonth) { return GetDateFromLunarDate(date.Year, date.Month, date.Day, IsLeapMonth); } #endregion #region 从阴历创建日历 /// <summary> /// 从阴历创建日历实体 /// </summary> /// <param name="year">阴历年</param> /// <param name="month">阴历月</param> /// <param name="day">阴历日</param> /// <param name="IsLeapMonth">是否闰月</param> public static ChineseCalendarInfo FromLunarDate(int year, int month, int day, bool IsLeapMonth) { DateTime dt = GetDateFromLunarDate(year, month, day, IsLeapMonth); return new ChineseCalendarInfo(dt); } /// <summary> /// 从阴历创建日历实体 /// </summary> /// <param name="date">阴历日期</param> /// <param name="IsLeapMonth">是否闰月</param> public static ChineseCalendarInfo FromLunarDate(DateTime date, bool IsLeapMonth) { return FromLunarDate(date.Year, date.Month, date.Day, IsLeapMonth); } /// <summary> /// 从阴历创建日历实体 /// </summary> /// <param name="date">表示阴历日期的8位数字，例如：20070209</param> /// <param name="IsLeapMonth">是否闰月</param> public static ChineseCalendarInfo FromLunarDate(string date, bool IsLeapMonth) { Regex rg = new System.Text.RegularExpressions.Regex(@"^/d{7}(/d)$"); Match mc = rg.Match(date); if (!mc.Success) { throw new Exception("日期字符串输入有误！"); } DateTime dt = DateTime.Parse(string.Format("{0}-{1}-{2}", date.Substring(0, 4), date.Substring(4, 2), date.Substring(6, 2))); return FromLunarDate(dt, IsLeapMonth); } #endregion private static ChineseLunisolarCalendar calendar = new ChineseLunisolarCalendar(); public const string ChineseNumber = "〇一二三四五六七八九"; public const string CelestialStem = "甲乙丙丁戊己庚辛壬癸"; public const string TerrestrialBranch = "子丑寅卯辰巳午未申酉戌亥"; public const string Animals = "鼠牛虎兔龙蛇马羊猴鸡狗猪"; public static readonly string[] ChineseWeekName = new string[] { "星期天", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" }; public static readonly string[] ChineseDayName = new string[] { "初一","初二","初三","初四","初五","初六","初七","初八","初九","初十", "十一","十二","十三","十四","十五","十六","十七","十八","十九","二十", "廿一","廿二","廿三","廿四","廿五","廿六","廿七","廿八","廿九","三十"}; public static readonly string[] ChineseMonthName = new string[] { "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二" }; public static readonly string[] Constellations = new string[] { "白羊座", "金牛座", "双子座", "巨蟹座", "狮子座", "处女座", "天秤座", "天蝎座", "射手座", "摩羯座", "水瓶座", "双鱼座" }; public static readonly string[] BirthStones = new string[] { "钻石", "蓝宝石", "玛瑙", "珍珠", "红宝石", "红条纹玛瑙", "蓝宝石", "猫眼石", "黄宝石", "土耳其玉", "紫水晶", "月长石，血石" }; }