- 余辉
-
* 回复内容中包含的链接未经审核,可能存在风险,暂不予完整展示!NET类库提供一些基础的农历类System.Globalization.ChineseLunisolarCalendar
不需要自己写算法。直接用就行。
下边的代码是复制的:
using System;
using System.Collections.Generic;
using System.Text;
namespace System
...{
/**//// <summary>
/// 中国常用农历日期时间类
/// zj53hao@q.com http://hi.c**.net/zj53hao
/// </summary>
class ChinaDateTime
...{
private int year, month, dayOfMonth;
private bool isLeap;
public DateTime time;
/**//// <summary>
/// 获取当前日期的农历年
/// </summary>
public int Year
...{
get ...{ return year; }
}
/**//// <summary>
/// 获取当前日期的农历月份
/// </summary>
public int Month
...{
get ...{ return month; }
}
/**//// <summary>
/// 获取当前日期的农历月中天数
/// </summary>
public int DayOfMonth
...{
get ...{ return dayOfMonth; }
}
/**//// <summary>
/// 获取当前日期是否为闰月中的日期
/// </summary>
public bool IsLeap
...{
get ...{ return isLeap; }
}
System.Globalization.ChineseLunisolarCalendar cc;
/**//// <summary>
/// 返回指定公历日期的阴历时间
/// </summary>
/// <param name="time"></param>
public ChinaDateTime(DateTime time)
...{
cc = new System.Globalization.ChineseLunisolarCalendar();
if (time > cc.MaxSupportedDateTime || time < cc.MinSupportedDateTime)
throw new Exception("参数日期时间不在支持的范围内,支持范围:" + cc.MinSupportedDateTime.ToShortDateString()+"到"+cc.MaxSupportedDateTime.ToShortDateString());
year = cc.GetYear(time);
month = cc.GetMonth(time);
dayOfMonth = cc.GetDayOfMonth(time);
isLeap = cc.IsLeapMonth(year, month);
if (isLeap) month -= 1;
this.time = time;
}
/**//// <summary>
/// 返回当前日前的农历日期。
/// </summary>
public static ChinaDateTime Now
...{
get ...{ return new ChinaDateTime(DateTime.Now); }
}
/**//// <summary>
/// 返回指定农历年,月,日,是否为闰月的农历日期时间
/// </summary>
/// <param name="Year"></param>
/// <param name="Month"></param>
/// <param name="DayOfMonth"></param>
/// <param name="IsLeap"></param>
public ChinaDateTime(int Year, int Month, int DayOfMonth, bool IsLeap)
...{
if (Year >= cc.MaxSupportedDateTime.Year || Year <= cc.MinSupportedDateTime.Year)
throw new Exception("参数年份时间不在支持的范围内,支持范围:" + cc.MinSupportedDateTime.ToShortDateString() + "到" + cc.MaxSupportedDateTime.ToShortDateString());
if (Month < 1 || Month > 12)
throw new Exception("月份必须在1~12范围");
cc = new System.Globalization.ChineseLunisolarCalendar();
if(cc.GetLeapMonth(Year)!=Month&&IsLeap)
throw new Exception("指定的月份不是当年的闰月");
if (cc.GetDaysInMonth(Year, IsLeap ? Month + 1 : Month) < DayOfMonth || DayOfMonth < 1)
throw new Exception("指定的月中的天数不在当前月天数有效范围");
year = Year;
month = Month;
dayOfMonth = DayOfMonth;
isLeap = IsLeap;
time = DateTime.Now;
}
/**//// <summary>
/// 获取当前农历日期的公历时间
/// </summary>
public DateTime ToDateTime()
...{
return cc.ToDateTime(year, isLeap ? month + 1 : month, dayOfMonth, time.Hour, time.Minute, time.Second, time.Millisecond);
}
/**//// <summary>
/// 获取指定农历时间对应的公历时间
/// </summary>
/// <param name="CnTime"></param>
/// <returns></returns>
public static DateTime ToDateTime(ChinaDateTime CnTime)
...{
return CnTime.ToDateTime();
}
/**//// <summary>
/// 获取指定公历时间转换为农历时间
/// </summary>
/// <param name="Time"></param>
/// <returns></returns>
public static ChinaDateTime ToChinaDateTime(DateTime Time)
...{
return new ChinaDateTime(Time);
}
/**//// <summary>
- 左迁
-
完全复制别人的成果...
网上到处都是
你搜索一下“阴阳历转换”
基本思路是做一个表,把每年的闰月情况存到里面,
然后用的时候查表。
using System;
namespace HYThought.Component
{
/// <summary>
/// LunDay 的摘要说明。
/// 用法说明
/// 直接调用即可,比较简单
/// </summary>
public class LunDay
{
public LunDay()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
//天干
private static string []TianGan = {"甲","乙","丙","丁","戊","己","庚","辛","壬","癸"};
//地支
private static string []DiZhi = {"子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥"};
//十二生肖
private static string []ShengXiao = {"鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪"};
//农历日期
private static string []DayName = {"*","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"};
//农历月份
private static string []MonthName = {"*","正","二","三","四","五","六","七","八","九","十","十一","腊"};
//公历月计数天
private static int []MonthAdd = {0,31,59,90,120,151,181,212,243,273,304,334};
//农历数据
private static int []LunarData = {2635,333387,1701,1748,267701,694,2391,133423,1175,396438
,3402,3749,331177,1453,694,201326,2350,465197,3221,3402
,400202,2901,1386,267611,605,2349,137515,2709,464533,1738
,2901,330421,1242,2651,199255,1323,529706,3733,1706,398762
,2741,1206,267438,2647,1318,204070,3477,461653,1386,2413
,330077,1197,2637,268877,3365,531109,2900,2922,398042,2395
,1179,267415,2635,661067,1701,1748,398772,2742,2391,330031
,1175,1611,200010,3749,527717,1452,2742,332397,2350,3222
,268949,3402,3493,133973,1386,464219,605,2349,334123,2709
,2890,267946,2773,592565,1210,2651,395863,1323,2707,265877};
/// <summary>
/// 获取对应日期的农历
/// </summary>
/// <param name="dtDay">公历日期</param>
/// <returns></returns>
public string GetLunarCalendar(DateTime dtDay)
{
string sYear=dtDay.Year.ToString();
string sMonth=dtDay.Month.ToString();
string sDay=dtDay.Day.ToString();
int year;
int month;
int day;
try
{
year = int.Parse(sYear);
month = int.Parse(sMonth);
day = int.Parse(sDay);
}
catch
{
year = DateTime.Now.Year;
month = DateTime.Now.Month;
day = DateTime.Now.Day;
}
int nTheDate;
int nIsEnd;
int k,m,n,nBit,i;
string calendar = string .Empty;
//计算到初始时间1921年2月8日的天数:1921-2-8(正月初一)
nTheDate = (year-1921)*365+(year-1921)/4+day+MonthAdd[month-1] -38;
if((year%4 == 0) && (month > 2))
nTheDate += 1;
//计算天干,地支,月,日
nIsEnd = 0;
m = 0;
k = 0;
n = 0;
while(nIsEnd != 1)
{
if(LunarData[m] < 4095)
k = 11;
else
k = 12;
n = k;
while(n>=0)
{
//获取LunarData[m]的第n个二进制位的值
nBit = LunarData[m];
for(i=1;i<n+1;i++)
nBit = nBit/2;
nBit = nBit % 2;
if (nTheDate <= (29 + nBit))
{
nIsEnd = 1;
break;
}
nTheDate = nTheDate - 29 - nBit;
n = n - 1;
}
if(nIsEnd == 1)
break;
m = m + 1;
}
year = 1921 + m;
month = k - n + 1;
day = nTheDate;
return year+"-"+month+"-"+day;
// #region 格式化日期显示为三月廿四
// if (k == 12)
// {
// if (month == LunarData[m] / 65536 + 1)
// month = 1 - month;
// else if (month > LunarData[m] / 65536 + 1)
// month = month - 1;
// }
//
// //生肖
// calendar = ShengXiao[(year-4)%60%12].ToString() +"年 ";
// // //天干
// // calendar += TianGan[(year-4)%60%10].ToString();
// // //地支
// // calendar += DiZhi[(year-4)%60%12].ToString() + " ";
//
// //农历月
// if(month < 1)
// calendar += "闰" + MonthName[-1*month].ToString() + "月";
// else
// calendar += MonthName[month].ToString()+"月";
//
// //农历日
// calendar += DayName[day].ToString()+ "日";
//
// return calendar;
//
// #endregion
}
}
}