JAVA版农历和阳历相互转换源码
作者： 来源：zz 发表时间：2006-09-14
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//测试类
public class Test ...{
public static void main(String[] args) ...{
//调用农历日期转换阳历日期方法
System.out.println(Calendar.sCalendarLundarToSolar(2006,1,1));
}
}
//自定义日历类
class Calendar ...{
// Array lIntLunarDay is stored in the monthly day information in every year from 1901 to 2100 of the lunar calendar,
// The lunar calendar can only be 29 or 30 days every month, express with 12(or 13) pieces of binary bit in one year,
// it is 30 days for 1 form in the corresponding location , otherwise it is 29 days
private static final int[] iLunarMonthDaysTable = ...{
0x4ae0, 0xa570, 0x5268, 0xd260, 0xd950, 0x6aa8, 0x56a0, 0x9ad0, 0x4ae8, 0x4ae0, // 1910
0xa4d8, 0xa4d0, 0xd250, 0xd548, 0xb550, 0x56a0, 0x96d0, 0x95b0, 0x49b8, 0x49b0, // 1920
0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada8, 0x2b60, 0x9570, 0x4978, 0x4970, 0x64b0, // 1930
0xd4a0, 0xea50, 0x6d48, 0x5ad0, 0x2b60, 0x9370, 0x92e0, 0xc968, 0xc950, 0xd4a0, // 1940
0xda50, 0xb550, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, 0xb4a8, 0x6ca0, // 1950
0xb550, 0x55a8, 0x4da0, 0xa5b0, 0x52b8, 0x52b0, 0xa950, 0xe950, 0x6aa0, 0xad50, // 1960
0xab50, 0x4b60, 0xa570, 0xa570, 0x5260, 0xe930, 0xd950, 0x5aa8, 0x56a0, 0x96d0, // 1970
0x4ae8, 0x4ad0, 0xa4d0, 0xd268, 0xd250, 0xd528, 0xb540, 0xb6a0, 0x96d0, 0x95b0, // 1980
0x49b0, 0xa4b8, 0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada0, 0xab60, 0x9370, 0x4978, // 1990
0x4970, 0x64b0, 0x6a50, 0xea50, 0x6b28, 0x5ac0, 0xab60, 0x9368, 0x92e0, 0xc960, // 2000
0xd4a8, 0xd4a0, 0xda50, 0x5aa8, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, // 2010
0xb4a0, 0xb550, 0xb550, 0x55a8, 0x4ba0, 0xa5b0, 0x52b8, 0x52b0, 0xa930, 0x74a8, // 2020
0x6aa0, 0xad50, 0x4da8, 0x4b60, 0x9570, 0xa4e0, 0xd260, 0xe930, 0xd530, 0x5aa0, // 2030
0x6b50, 0x96d0, 0x4ae8, 0x4ad0, 0xa4d0, 0xd258, 0xd250, 0xd520, 0xdaa0, 0xb5a0, // 2040
0x56d0, 0x4ad8, 0x49b0, 0xa4b8, 0xa4b0, 0xaa50, 0xb528, 0x6d20, 0xada0, 0x55b0 // 2050
};
// Array iLunarLeapMonthTable preserves the lunar calendar leap month from 1901 to 2050,
// if it is 0 express not to have , every byte was stored for two years
private static final char[] iLunarLeapMonthTable = ...{
0x00, 0x50, 0x04, 0x00, 0x20, // 1910
0x60, 0x05, 0x00, 0x20, 0x70, // 1920
0x05, 0x00, 0x40, 0x02, 0x06, // 1930
0x00, 0x50, 0x03, 0x07, 0x00, // 1940
0x60, 0x04, 0x00, 0x20, 0x70, // 1950
0x05, 0x00, 0x30, 0x80, 0x06, // 1960
0x00, 0x40, 0x03, 0x07, 0x00, // 1970
0x50, 0x04, 0x08, 0x00, 0x60, // 1980
0x04, 0x0a, 0x00, 0x60, 0x05, // 1990
0x00, 0x30, 0x80, 0x05, 0x00, // 2000
0x40, 0x02, 0x07, 0x00, 0x50, // 2010
0x04, 0x09, 0x00, 0x60, 0x04, // 2020
0x00, 0x20, 0x60, 0x05, 0x00, // 2030
0x30, 0xb0, 0x06, 0x00, 0x50, // 2040
0x02, 0x07, 0x00, 0x50, 0x03 // 2050
};
// Array iSolarLunarTable stored the offset days
// in New Year of solar calendar and lunar calendar from 1901 to 2050;
private static final char[] iSolarLunarOffsetTable = ...{
49, 38, 28, 46, 34, 24, 43, 32, 21, 40, // 1910
29, 48, 36, 25, 44, 34, 22, 41, 31, 50, // 1920
38, 27, 46, 35, 23, 43, 32, 22, 40, 29, // 1930
47, 36, 25, 44, 34, 23, 41, 30, 49, 38, // 1940
26, 45, 35, 24, 43, 32, 21, 40, 28, 47, // 1950
36, 26, 44, 33, 23, 42, 30, 48, 38, 27, // 1960
45, 35, 24, 43, 32, 20, 39, 29, 47, 36, // 1970
26, 45, 33, 22, 41, 30, 48, 37, 27, 46, // 1980
35, 24, 43, 32, 50, 39, 28, 47, 36, 26, // 1990
45, 34, 22, 40, 30, 49, 37, 27, 46, 35, // 2000
23, 42, 31, 21, 39, 28, 48, 37, 25, 44, // 2010
33, 23, 41, 31, 50, 39, 28, 47, 35, 24, // 2020
42, 30, 21, 40, 28, 47, 36, 25, 43, 33, // 2030
22, 41, 30, 49, 37, 26, 44, 33, 23, 42, // 2040
31, 21, 40, 29, 47, 36, 25, 44, 32, 22, // 2050
};
static boolean bIsSolarLeapYear(int iYear)...{
return ((iYear % 4 == 0) && (iYear % 100 != 0) || iYear % 400 == 0);
}
// The days in the month of solar calendar
static int iGetSYearMonthDays(int iYear, int iMonth)...{
if((iMonth == 1) || (iMonth == 3) || (iMonth == 5)||
(iMonth == 7) || (iMonth == 8) || (iMonth == 10) || (iMonth == 12))
return 31;
else if((iMonth == 4) || (iMonth == 6) || (iMonth == 9) || (iMonth == 11))
return 30;
else if(iMonth == 2)...{
if(bIsSolarLeapYear(iYear)) return 29;
else return 28;
}
else return 0;
}
// The offset days from New Year and the day when point out in solar calendar
static int iGetSNewYearOffsetDays(int iYear, int iMonth, int iDay)...{
int iOffsetDays = 0;
for(int i = 1; i < iMonth; i++)...{
iOffsetDays += iGetSYearMonthDays(iYear, i);
}
iOffsetDays += iDay -1;
return iOffsetDays;
}
static int iGetLLeapMonth(int iYear)...{
char iMonth = iLunarLeapMonthTable[(iYear - 1901) / 2];
if(iYear % 2 == 0)
return (iMonth & 0x0f);
else
return (iMonth & 0xf0) >> 4;
}
static int iGetLMonthDays(int iYear, int iMonth)...{
int iLeapMonth = iGetLLeapMonth(iYear);
if((iMonth > 12) && (iMonth - 12 != iLeapMonth) || (iMonth < 0))...{
System.out.println("Wrong month, ^_^ , i think you are want a -1, go to death!");
return -1;
}
if(iMonth - 12 == iLeapMonth)...{
if((iLunarMonthDaysTable[iYear - 1901] & (0x8000 >> iLeapMonth)) == 0)
return 29;
else
return 30;
}
if((iLeapMonth > 0) && (iMonth > iLeapMonth)) iMonth++;
if((iLunarMonthDaysTable[iYear - 1901] & (0x8000 >> (iMonth - 1))) == 0)
return 29;
else
return 30;
}
// Days in this year of lunar calendar
static int iGetLYearDays(int iYear)...{
int iYearDays = 0;
int iLeapMonth = iGetLLeapMonth(iYear);
for(int i = 1; i < 13; i++)
iYearDays += iGetLMonthDays(iYear, i);
if(iLeapMonth > 0)
iYearDays += iGetLMonthDays(iYear, iLeapMonth + 12);
return iYearDays;
}
static int iGetLNewYearOffsetDays(int iYear, int iMonth, int iDay)...{
int iOffsetDays = 0;
int iLeapMonth = iGetLLeapMonth(iYear);
if((iLeapMonth > 0) && (iLeapMonth == iMonth - 12))...{
iMonth = iLeapMonth;
iOffsetDays += iGetLMonthDays(iYear, iMonth);
}
for(int i = 1; i < iMonth; i++)...{
iOffsetDays += iGetLMonthDays(iYear, i);
if(i == iLeapMonth)
iOffsetDays += iGetLMonthDays(iYear, iLeapMonth+12);
}
iOffsetDays += iDay - 1;
return iOffsetDays;
}
// The solar calendar is turned into the lunar calendar
static String sCalendarSolarToLundar(int iYear, int iMonth, int iDay)...{
int iLDay, iLMonth, iLYear;
int iOffsetDays = iGetSNewYearOffsetDays(iYear, iMonth, iDay);
int iLeapMonth = iGetLLeapMonth(iYear);
if(iOffsetDays < iSolarLunarOffsetTable[iYear - 1901] )...{
iLYear = iYear - 1;
iOffsetDays = iSolarLunarOffsetTable[iYear - 1901] - iOffsetDays;
iLDay = iOffsetDays;
for(iLMonth = 12; iOffsetDays > iGetLMonthDays(iLYear, iLMonth); iLMonth--)...{
iLDay = iOffsetDays;
iOffsetDays -= iGetLMonthDays(iLYear, iLMonth);
}
if(0 == iLDay)
iLDay = 1;
else
iLDay = iGetLMonthDays(iLYear, iLMonth) - iOffsetDays + 1;
}
else...{
iLYear = iYear;
iOffsetDays -= iSolarLunarOffsetTable[iYear - 1901];
iLDay = iOffsetDays + 1;
for(iLMonth = 1; iOffsetDays >= 0; iLMonth++)...{
iLDay = iOffsetDays + 1;
iOffsetDays -= iGetLMonthDays(iLYear, iLMonth);
if((iLeapMonth == iLMonth) && (iOffsetDays > 
