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公历和农历的互相转换

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TestNongLi public class TestNongLi { public static void main(String[] args) { // 调用农历日期转换阳历日期方法 System.out.println("阴历转阳历:"+ChineseCalendar.sCalendarLundarToSolar(2013, 6, 14)); System.out.println("阳历
TestNongLi
public class TestNongLi { 
	public static void main(String[] args) { 
	// 调用农历日期转换阳历日期方法 
	System.out.println("阴历转阳历:"+ChineseCalendar.sCalendarLundarToSolar(2013, 6, 14)); 
	System.out.println("阳历转阴历:"+ChineseCalendar.sCalendarSolarToLundar(2013, 7, 21));
	} 
	} 
	// 自定义日历类 
	class ChineseCalendar { 
	// 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 
	//1901年到2050年的年份
	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 
	//1901年到2050年的月份
	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, 22, 40, 30, 49, 38, 27, 46, 34, 23, // 2020 
		41, 29, 20, 41, 27, 46, 35, 24, 42, 32, // 2030 
		21, 40, 29, 48, 36, 25, 43, 32, 22, 41, // 2040 
		30, 20, 39, 28, 46, 35, 24, 43, 31, 21, // 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 
	//阳历转阴历的方法
	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 > 0)) { 
					iLDay = iOffsetDays; 
					iOffsetDays -= iGetLMonthDays(iLYear, iLMonth + 12); 
					if (iOffsetDays <= 0) { 
						iLMonth += 12 + 1; 
						break; 
					} 
				} 
			} 
			iLMonth--; 
		} 
		return "" + iLYear + (iLMonth > 9 ? "" + iLMonth : "0" + iLMonth) + (iLDay > 9 ? "" + iLDay : "0" + iLDay); 
	} 
	// The lunar calendar is turned into the Solar calendar 
	//阴历转阳历的方法
	static String sCalendarLundarToSolar(int iYear, int iMonth, int iDay) { 
		int iSYear, iSMonth, iSDay; 
		int iOffsetDays = iGetLNewYearOffsetDays(iYear, iMonth, iDay) + iSolarLunarOffsetTable[iYear - 1901]; 
		int iYearDays = bIsSolarLeapYear(iYear) ? 366 : 365; 
		if (iOffsetDays >= iYearDays) { 
			iSYear = iYear + 1; 
			iOffsetDays -= iYearDays; 
		} else { 
			iSYear = iYear; 
		} 
		iSDay = iOffsetDays + 1; 
		for (iSMonth = 1; iOffsetDays >= 0; iSMonth++) { 
			iSDay = iOffsetDays + 1; 
			iOffsetDays -= iGetSYearMonthDays(iSYear, iSMonth); 
		} 
		iSMonth--; 
		return "" + iSYear+"年" + (iSMonth > 9 ? iSMonth + "" : "0" + iSMonth+"月") + (iSDay > 9 ? iSDay + "" : "0" + iSDay+"日"); 
	} 
}
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