引入 using System.Globalization;
类:
/// <summary>
/// C# 获取农历日期
/// </summary>
public class ChineseCalendarHelper
{
///<summary>
/// 实例化一个 ChineseLunisolarCalendar
///</summary>
private static readonly ChineseLunisolarCalendar ChineseCal = 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", "免", "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>
///<return s></return s>
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>
///<return s></return s>
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>
///<return s></return s>
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>
///<return s></return s>
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>
///<return s></return s>
public static string GetChineseDateTime(DateTime datetime)
{
int year = ChineseCal.GetYear(datetime);
int month = ChineseCal.GetMonth(datetime);
int day = ChineseCal.GetDayOfMonth(datetime);
//获取闰月, 0 则表示没有闰月
int leapMonth = ChineseCal.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));
}
}
调用 :
ChineseCalendarHelper.GetChineseDateTime(DateTime.Now)
农历日期.png
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