采用查表的方法实现农历与公历的转换.docx
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采用查表的方法实现农历与公历的转换
采用查表的方法实现农历与公历的转换,可以坚持50年,50年以后可以补充表继续使用,当然50年以后什么样子都不知道,这个方法可能早淘汰了。
哈哈!
#defineucharunsignedchar
#defineuintunsignedint
#include
/*
公历年对应的农历数据,每年三字节,
格式第一字节BIT7-4位表示闰月月份,值为0为无闰月,BIT3-0对应农历第1-4月的大小
第二字节BIT7-0对应农历第5-12月大小,第三字节BIT7表示农历第13个月大小
月份对应的位为1表示本农历月大(30天),为0表示小(29天)
第三字节BIT6-5表示春节的公历月份,BIT4-0表示春节的公历日期
*/
codeucharyear_code[597]={
0x04,0xAe,0x53,//19010
0x0A,0x57,0x48,//19023
0x55,0x26,0xBd,//19036
0x0d,0x26,0x50,//19049
0x0d,0x95,0x44,//190512
0x46,0xAA,0xB9,//190615
0x05,0x6A,0x4d,//190718
0x09,0xAd,0x42,//190821
0x24,0xAe,0xB6,//1909
0x04,0xAe,0x4A,//1910
0x6A,0x4d,0xBe,//1911
0x0A,0x4d,0x52,//1912
0x0d,0x25,0x46,//1913
0x5d,0x52,0xBA,//1914
0x0B,0x54,0x4e,//1915
0x0d,0x6A,0x43,//1916
0x29,0x6d,0x37,//1917
0x09,0x5B,0x4B,//1918
0x74,0x9B,0xC1,//1919
0x04,0x97,0x54,//1920
0x0A,0x4B,0x48,//1921
0x5B,0x25,0xBC,//1922
0x06,0xA5,0x50,//1923
0x06,0xd4,0x45,//1924
0x4A,0xdA,0xB8,//1925
0x02,0xB6,0x4d,//1926
0x09,0x57,0x42,//1927
0x24,0x97,0xB7,//1928
0x04,0x97,0x4A,//1929
0x66,0x4B,0x3e,//1930
0x0d,0x4A,0x51,//1931
0x0e,0xA5,0x46,//1932
0x56,0xd4,0xBA,//1933
0x05,0xAd,0x4e,//1934
0x02,0xB6,0x44,//1935
0x39,0x37,0x38,//1936
0x09,0x2e,0x4B,//1937
0x7C,0x96,0xBf,//1938
0x0C,0x95,0x53,//1939
0x0d,0x4A,0x48,//1940
0x6d,0xA5,0x3B,//1941
0x0B,0x55,0x4f,//1942
0x05,0x6A,0x45,//1943
0x4A,0xAd,0xB9,//1944
0x02,0x5d,0x4d,//1945
0x09,0x2d,0x42,//1946
0x2C,0x95,0xB6,//1947
0x0A,0x95,0x4A,//1948
0x7B,0x4A,0xBd,//1949
0x06,0xCA,0x51,//1***
0x0B,0x55,0x46,//1951
0x55,0x5A,0xBB,//1952
0x04,0xdA,0x4e,//1953
0x0A,0x5B,0x43,//1954
0x35,0x2B,0xB8,//1955
0x05,0x2B,0x4C,//1956
0x8A,0x95,0x3f,//1957
0x0e,0x95,0x52,//1958
0x06,0xAA,0x48,//1959
0x7A,0xd5,0x3C,//1960
0x0A,0xB5,0x4f,//1961
0x04,0xB6,0x45,//1962
0x4A,0x57,0x39,//1963
0x0A,0x57,0x4d,//1964
0x05,0x26,0x42,//1965
0x3e,0x93,0x35,//1966
0x0d,0x95,0x49,//1967
0x75,0xAA,0xBe,//1968
0x05,0x6A,0x51,//1969
0x09,0x6d,0x46,//1970
0x54,0xAe,0xBB,//1971
0x04,0xAd,0x4f,//1972
0x0A,0x4d,0x43,//1973
0x4d,0x26,0xB7,//1974
0x0d,0x25,0x4B,//1975
0x8d,0x52,0xBf,//1976
0x0B,0x54,0x52,//1977
0x0B,0x6A,0x47,//1978
0x69,0x6d,0x3C,//1979
0x09,0x5B,0x50,//1980
0x04,0x9B,0x45,//1981
0x4A,0x4B,0xB9,//1982
0x0A,0x4B,0x4d,//1983
0xAB,0x25,0xC2,//1984
0x06,0xA5,0x54,//1985
0x06,0xd4,0x49,//1986
0x6A,0xdA,0x3d,//1987
0x0A,0xB6,0x51,//1988
0x09,0x37,0x46,//1989
0x54,0x97,0xBB,//1990
0x04,0x97,0x4f,//1991
0x06,0x4B,0x44,//1992
0x36,0xA5,0x37,//1993
0x0e,0xA5,0x4A,//1994
0x86,0xB2,0xBf,//1995
0x05,0xAC,0x53,//1996
0x0A,0xB6,0x47,//1997
0x59,0x36,0xBC,//1998
0x09,0x2e,0x50,//1999294
0x0C,0x96,0x45,//2000297
0x4d,0x4A,0xB8,//2001
0x0d,0x4A,0x4C,//2002
0x0d,0xA5,0x41,//2003
0x25,0xAA,0xB6,//2004
0x05,0x6A,0x49,//2005
0x7A,0xAd,0xBd,//2006
0x02,0x5d,0x52,//2007
0x09,0x2d,0x47,//2008
0x5C,0x95,0xBA,//2009
0x0A,0x95,0x4e,//2010
0x0B,0x4A,0x43,//2011
0x4B,0x55,0x37,//2012
0x0A,0xd5,0x4A,//2013
0x95,0x5A,0xBf,//2014
0x04,0xBA,0x53,//2015
0x0A,0x5B,0x48,//2016
0x65,0x2B,0xBC,//2017
0x05,0x2B,0x50,//2018
0x0A,0x93,0x45,//2019
0x47,0x4A,0xB9,//2020
0x06,0xAA,0x4C,//2021
0x0A,0xd5,0x41,//2022
0x24,0xdA,0xB6,//2023
0x04,0xB6,0x4A,//2024
0x69,0x57,0x3d,//2025
0x0A,0x4e,0x51,//2026
0x0d,0x26,0x46,//2027
0x5e,0x93,0x3A,//2028
0x0d,0x53,0x4d,//2029
0x05,0xAA,0x43,//2030
0x36,0xB5,0x37,//2031
0x09,0x6d,0x4B,//2032
0xB4,0xAe,0xBf,//2033
0x04,0xAd,0x53,//2034
0x0A,0x4d,0x48,//2035
0x6d,0x25,0xBC,//2036
0x0d,0x25,0x4f,//2037
0x0d,0x52,0x44,//2038
0x5d,0xAA,0x38,//2039
0x0B,0x5A,0x4C,//2040
0x05,0x6d,0x41,//2041
0x24,0xAd,0xB6,//2042
0x04,0x9B,0x4A,//2043
0x7A,0x4B,0xBe,//2044
0x0A,0x4B,0x51,//2045
0x0A,0xA5,0x46,//2046
0x5B,0x52,0xBA,//2047
0x06,0xd2,0x4e,//2048
0x0A,0xdA,0x42,//2049
};
///月份数据表
codeucharday_code1[9]={0x0,0x1f,0x3b,0x5a,0x78,0x97,0xb5,0xd4,0xf3};
codeuintday_code2[3]={0x111,0x130,0x14e};
/*
函数功能:
输入BCD阳历数据,输出BCD阴历数据(只允许1901-2099年)
调用函数示例:
Conversion(c_sun,year_sun,month_sun,day_sun)
如:
计算2004年10月16日Conversion(0,0x4,0x10,0x16);
c_sun,year_sun,month_sun,day_sun均为BCD数据,c_sun为世纪标志位,c_sun=0为21世
纪,c_sun=1为19世纪
调用函数后,原有数据不变,读c_moon,year_moon,month_moon,day_moon得出阴历BCD数据
*/
bitc_moon;
dataucharyear_moon,month_moon,day_moon,week;
/*子函数,用于读取数据表中农历月的大月或小月,如果该月为大返回1,为小返回0*/
bitget_moon_day(ucharmonth_p,uinttable_addr)
{
uchartemp;
switch(month_p){
case1:
{temp=year_code[table_addr]&0x08;
if(temp==0)return(0);elsereturn
(1);}
case2:
{temp=year_code[table_addr]&0x04;
if(temp==0)return(0);elsereturn
(1);}
case3:
{temp=year_code[table_addr]&0x02;
if(temp==0)return(0);elsereturn
(1);}
case4:
{temp=year_code[table_addr]&0x01;
if(temp==0)return(0);elsereturn
(1);}
case5:
{temp=year_code[table_addr+1]&0x80;
if(temp==0)return(0);elsereturn
(1);}
case6:
{temp=year_code[table_addr+1]&0x40;
if(temp==0)return(0);elsereturn
(1);}
case7:
{temp=year_code[table_addr+1]&0x20;
if(temp==0)return(0);elsereturn
(1);}
case8:
{temp=year_code[table_addr+1]&0x10;
if(temp==0)return(0);elsereturn
(1);}
case9:
{temp=year_code[table_addr+1]&0x08;
if(temp==0)return(0);elsereturn
(1);}
case10:
{temp=year_code[table_addr+1]&0x04;
if(temp==0)return(0);elsereturn
(1);}
case11:
{temp=year_code[table_addr+1]&0x02;
if(temp==0)return(0);elsereturn
(1);}
case12:
{temp=year_code[table_addr+1]&0x01;
if(temp==0)return(0);elsereturn
(1);}
case13:
{temp=year_code[table_addr+2]&0x80;
if(temp==0)return(0);elsereturn
(1);}
}
}
/*
函数功能:
输入BCD阳历数据,输出BCD阴历数据(只允许1901-2099年)
调用函数示例:
Conversion(c_sun,year_sun,month_sun,day_sun)
如:
计算2004年10月16日Conversion(0,0x4,0x10,0x16);
c_sun,year_sun,month_sun,day_sun均为BCD数据,c_sun为世纪标志位,c_sun=0为21世
纪,c_sun=1为19世纪
调用函数后,原有数据不变,读c_moon,year_moon,month_moon,day_moon得出阴历BCD数据
*/
voidConversion(bitc,ucharyear,ucharmonth,ucharday)
{//c=0为21世纪,c=1为19世纪输入输出数据均为BCD数据
uchartemp1,temp2,temp3,month_p;
uinttemp4,table_addr;
bitflag2,flag_y;
temp1=year/16;//BCD->hex先把数据转换为十六进制
temp2=year%16;
year=temp1*10+temp2;
temp1=month/16;
temp2=month%16;
month=temp1*10+temp2;
temp1=day/16;
temp2=day%16;
day=temp1*10+temp2;
//定位数据表地址
if(c==0){
table_addr=(year+0x64-1)*0x3;
}
else{
table_addr=(year-1)*0x3;
}
//定位数据表地址完成
//取当年春节所在的公历月份
temp1=year_code[table_addr+2]&0x60;
temp1=_cror_(temp1,5);
//取当年春节所在的公历月份完成
//取当年春节所在的公历日
temp2=year_code[table_addr+2]&0x1f;
//取当年春节所在的公历日完成
//计算当年春年离当年元旦的天数,春节只会在公历1月或2月
if(temp1==0x1){
temp3=temp2-1;
}
else{
temp3=temp2+0x1f-1;
}
//计算当年春年离当年元旦的天数完成
//计算公历日离当年元旦的天数,为了减少运算,用了两个表
//day_code1[9],day_code2[3]
//如果公历月在九月或前,天数会少于0xff,用表day_code1[9],
//在九月后,天数大于0xff,用表day_code2[3]
//如输入公历日为8月10日,则公历日离元旦天数为day_code1[8-1]+10-1
//如输入公历日为11月10日,则公历日离元旦天数为day_code2[11-10]+10-1
if(month<10){
temp4=day_code1[month-1]+day-1;
}
else{
temp4=day_code2[month-10]+day-1;
}
if((month>0x2)&&(year%0x4==0)){//如果公历月大于2月并且该年的2月为闰月,天数加1
temp4+=1;
}
//计算公历日离当年元旦的天数完成
//判断公历日在春节前还是春节后
if(temp4>=temp3){//公历日在春节后或就是春节当日使用下面代码进行运算
temp4-=temp3;
month=0x1;
month_p=0x1;//month_p为月份指向,公历日在春节前或就是春节当日month_p指向首月
flag2=get_moon_day(month_p,table_addr);//检查该农历月为大小还是小月,大月返回1,小月返回0
flag_y=0;
if(flag2==0)temp1=0x1d;//小月29天
elsetemp1=0x1e;//大小30天
temp2=year_code[table_addr]&0xf0;
temp2=_cror_(temp2,4);//从数据表中取该年的闰月月份,如为0则该年无闰月
while(temp4>=temp1){
temp4-=temp1;
month_p+=1;
if(month==temp2){
flag_y=~flag_y;
if(flag_y==0)month+=1;
}
elsemonth+=1;
flag2=get_moon_day(month_p,table_addr);
if(flag2==0)temp1=0x1d;
elsetemp1=0x1e;
}
day=temp4+1;
}
else{//公历日在春节前使用下面代码进行运算
temp3-=temp4;
if(year==0x0){year=0x63;c=1;}
elseyear-=1;
table_addr-=0x3;
month=0xc;
temp2=year_code[table_addr]&0xf0;
temp2=_cror_(temp2,4);
if(temp2==0)month_p=0xc;
elsemonth_p=0xd;//
/*
month_p为月份指向,如果当年有闰月,一年有十三个月,月指向13,
无闰月指向12
*/
flag_y=0;
flag2=get_moon_day(month_p,table_addr);
if(flag2==0)temp1=0x1d;
elsetemp1=0x1e;
while(temp3>temp1){
temp3-=temp1;
month_p-=1;
if(flag_y==0)month-=1;
if(month==temp2)flag_y=~flag_y;
flag2=get_moon_day(month_p,table_addr);
if(flag2==0)temp1=0x1d;
elsetemp1=0x1e;
}
day=temp1-temp3+1;
}
c_moon=c;//HEX->BCD,运算结束后,把数据转换为BCD数据
temp1=year/10;
temp1=_crol_(temp1,4);
temp2=year%10;
year_moon=temp1|temp2;
temp1=month/10;
temp1=_crol_(temp1,4);
temp2=month%10;
month_moon=temp1|temp2;
temp1=day/10;
temp1=_crol_(temp1,4);
temp2=day%10;
day_moon=temp1|temp2;
}
/*
函数功能:
输入BCD阳历数据,输出BCD星期数据(只允许1901-2099年)
调用函数示例:
Conver_week(c_sun,year_sun,month_sun,day_sun)
如:
计算2004年10月16日Conversion(0,0x4,0x10,0x16);
c_sun,year_sun,month_sun,day_sun均为BCD数据,c_sun为世纪标志位,c_sun=0为21世
纪,c_sun=1为19世纪
调用函数后,原有数据不变,读week得出阴历BCD数据
*/
codeuchartable_week[12]={0,3,3,6,1,4,6,2,5,0,3,5};//月修正数据表
/*
算法:
日期+年份+所过闰年数+月较正数之和除7的余数就是星期但如果是在
闰年又不到3月份上述之和要减一天再除7
星期数为0
*/
voidConver_week(bitc,ucharyear,ucharmonth,ucharday)
{//c=0为21世纪,c=1为19世纪输入输出数据均为BCD数据
uchartemp1,temp2;
temp1=year/16;//BCD->hex先把数据转换为十六进制
temp2=year%16;
year=temp1*10+temp2;
temp1=month/16;
temp2=month%16;
month=temp1*10+temp2;
temp1=day/16;
temp2=day%16;
day=temp1*10+temp2;
if(c==0){year+=0x64;}//如果为21世纪,年份数加100
temp1=year/0x4;//所过闰年数只算1900年之后的
temp2=year+temp1;
temp2=temp2%0x7;//为节省资源,先进行一次取余,避免数大于0xff,避免使用整型数据
temp2=temp2+day+table_week[month-1];
if(year%0x4==0&&month<3)temp2-=1;
week=temp2%0x7;
}
//test
ucharc_sun,year_sun,month_sun,day_sun;
voidmain(){
c_sun=1;
year_sun=0x2;
month_