日期:2014-05-16 浏览次数:21101 次
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 += &