日期:2014-05-16  浏览次数:20897 次

WindowsPhone 中 根据公历 获取农历日期数据

WindowsPhone 中 根据公历 获取农历日期数据

WindowsPhone 中 自定义 类,根据公历 获取农历日期数据

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ChineseCalendar
{
    /// <summary>
    /// 中国农历
    /// </summary>
    public static class ChineseDate
    {
        #region 日历数据
        /// <summary>
        /// int[] CalendarData
        /// </summary>
        static int[] CalendarData = new int[] {
                    0x41A95, 0xD4A, 0xDA5, 0x20B55, 0x56A, 0x7155B,
                    0x25D, 0x92D, 0x5192B, 0xA95, 0xB4A, 0x416AA, 0xAD5,
                    0x90AB5, 0x4BA, 0xA5B, 0x60A57, 0x52B, 0xA93, 0x40E95 };

        /// <summary>
        /// int[] madd
        /// </summary>
        static int[] madd = new int[] { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 };

        static String numString = "一二三四五六七八九十";
        static String monString = "正二三四五六七八九十冬腊";
        static String[] run = new String[] { "闰正", "闰二", "闰三", "闰四", "闰五", "闰六", "闰七", "闰八", "闰九", "闰十", "闰冬", "闰腊" };
        static String cDateString = String.Empty;
        static int cYear, cMonth, cDay, cHour;
        #endregion


        #region 计算方法
        /// <summary>
        /// int GetBit
        /// </summary>
        /// <param name="m"></param>
        /// <param name="n"></param>
        /// <returns></returns>
        private static int GetBit(int m, int n)
        {
            return (m >> n) & 1;
        }


        /// <summary>
        /// void e2c
        /// </summary>
        /// <param name="dt">公历时间</param>
        private static void e2c(DateTime dt)
        {
            bool isEnd = false;
            int total, m, n, k, tmp = dt.Year;

            if (tmp < 1900) tmp += 1900;


            total = (tmp - 2001) * 365
                  + (int)Math.Floor((Double)(tmp - 2001) / 4)
                  + madd[dt.Month - 1]
                  + dt.Day
                  - 23;

            if (dt.Year % 4 == 0 && dt.Month > 2)
                total++;

            for (m = 0; ; m++)
            {
                k = (CalendarData[m] < 0xfff) ? 11 : 12;
                for (n = k; n >= 0; n--)
                {
                    if (total <= 29 + GetBit(CalendarData[m], n))
                    {
                        isEnd = true;
                        break;
                    }
                    total = total - 29 - GetBit(CalendarData[m], n);
                }
                if (isEnd) break;
            }

            cYear = 2001 + m;
            cMonth = k - n + 1;
            cDay = total;

            if (k == 12)
            {
                if (cMonth == (int)Math.Floor((double)(CalendarData[m] / 0x10000) + 1))
                    cMonth = 1 - cMonth;

                if (cMonth > (int)Math.Floor((double)(CalendarData[m] / 0x10000) + 1))
                    cMonth--;
            }
            cHour = (int)Math.Floor((double)((dt.Hour + 3) / 2));
        }


        /// <summary>
        /// void GetcDateString()
        /// </summary>
        private static void GetcDateString()
        {
            String tmp = String.Empty;

            if (cMonth < 1)
            {
                tmp += "闰";
                tmp += monString[-cMonth - 1];
            }
            else tmp += monString[cMonth - 1] + "月";

            if (cDay <= 10) tmp += "初";
            else if (cDay < 20) tmp += "十";
            else if (cDay == 20) tmp += &