CODE-顯示農曆日期

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Globalization;

namespace ConsoleApplication1

{

    class Program

    {

        static void Main(string[] args)

        {

            DateTime d = new DateTime(2012, 1, 1);

            for (int i = 0; i < 40; i++)

                Console.WriteLine(LunisolarCalHelper.GetDateDisplay(

                    d.AddDays(i)));

            Console.WriteLine(LunisolarCalHelper.GetDateDisplay(

                new DateTime(1995, 9, 9)));

            Console.WriteLine(LunisolarCalHelper.GetDateDisplay(

                new DateTime(1995, 10, 9)));

            Console.WriteLine(LunisolarCalHelper.GetDateDisplay(

                new DateTime(1995, 11, 9)));

            Console.Read();

        }

    }

    public class LunisolarCalHelper

    {

        static string[] celStemNames =

("甲子 乙丑 丙寅 丁卯 戊辰 己巳 庚午 辛未 壬申 癸酉 " +

"甲戌 乙亥 丙子 丁丑 戊寅 己卯 庚辰 辛巳 壬午 癸未 " +

"甲申 乙酉 丙戌 丁亥 戊子 己丑 庚寅 辛卯 壬辰 癸巳 " +

"甲午 乙未 丙申 丁酉 戊戌 己亥 庚子 辛丑 壬寅 癸卯 " +

"甲辰 乙巳 丙午 丁未 戊申 己酉 庚戌 辛亥 壬子 癸丑 " +

"甲寅 乙卯 丙辰 丁巳 戊午 己未 庚申 辛酉 壬戌 癸亥").Split(' ');

        static string[] animalSigns = 

            "鼠;牛;虎;免;龍;蛇;馬;羊;猴;雞;狗;豬".Split(';');

        static string[] chinaNums =

            "零;一;二;三;四;五;六;七;八;九;十;十一;十二".Split(';');

        public static string GetDateDisplay(DateTime d)

        {

            TaiwanLunisolarCalendar tlc = new TaiwanLunisolarCalendar();

            int yy = tlc.GetYear(d);

            int mm = tlc.GetMonth(d);

            int dd = tlc.GetDayOfMonth(d);

            //取得閏月

int leapMon = tlc.GetLeapMonth(yy);

            //有閏月時，mm 可能為 13

            string monName = chinaNums[Math.Min(chinaNums.Length - 1, mm)];

            //閏月特別處理

            if (leapMon > 0)

            {

                if (mm == leapMon)

                    monName = "閏" + chinaNums[leapMon - 1];

                else if (mm > leapMon)

                    monName = chinaNums[mm - 1];

            }        

            //日期顯示

            string dayName = "NA";

            if (dd <= 10)

                dayName = "初" + chinaNums[dd];

            else if (dd < 20)

                dayName = "十" + chinaNums[dd % 10];

            else if (dd == 20)

                dayName = "二十";

            else if (dd < 30)

                dayName = "二十" + chinaNums[dd % 10];

            else if (dd == 30)

                dayName = "三十";

            //天干地支

            int cel = tlc.GetSexagenaryYear(d) - 1;

            string celYearName = celStemNames[cel];

            //生肖

            string animSignName = animalSigns[cel % 12 ];

            //組裝成顯示字串

            return string.Format("農曆 {0}年({1}【{2}】) {3}月{4}",

                yy, celYearName, animSignName, monName, dayName);

        }

    }

}