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" };
}
