最近公司在做一个时间选者器，涉及到日历装换，，单个选择器到是没什么，但是又有农历装换就比较头疼了，下面分享一个日历转换器的代码，公历转农历的网上很多了，但是农历转公历德就比较少了，
直接上代码：
package com.openbook.mars.utils;/*** 该类主要做农历和公历的互转 支持1900到2050年* System.out.println("日历测试");System.out.println(ChineseCalendarTwo.sCalendarLundarToSolar(2015, 9, 2)); 农转工System.out.println(ChineseCalendarTwo.sCalendarSolarToLundar(2015, 9, 2)); 工转农**/public class ChineseCalendarTwo {// 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 dayspublic 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 yearspublic 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);}// 在阳历的日子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;}//抵消天新年,指出在阳历的日子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;}// 天在今年的阴历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;}/** 阳历变成了阴历* @param iYear* @param iMonth* @param iDay* @return*/public static String sCalendarSolarToLundar(int iYear, int iMonth, int iDay) { int iLDay, iLMonth, iLYear; int iOffsetDays = iGetSNewYearOffsetDays(iYear, iMonth, iDay-1); 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);}/**农历是变成阳历* @param iYear* @param iMonth* @param iDay* @return*/public static String sCalendarLundarToSolar(int iYear, int iMonth, int iDay) { int iSYear, iSMonth, iSDay; int iOffsetDays = iGetLNewYearOffsetDays(iYear, iMonth, iDay+1) + 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 + (iSMonth > 9 ? iSMonth + "" : "0" + iSMonth) + (iSDay > 9 ? iSDay + "" : "0" + iSDay);}}// 自定义星期类class Week {int iWeek;private String sWeek[] = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" };public Week() { iWeek = 0;}public Week(int w) { if ((w > 6) || (w < 0)) { System.out.println("Week out of range, I think you want Sunday"); this.iWeek = 0; } else this.iWeek = w;}public String toString() { return sWeek[iWeek];}}// 自定义日期类class MyDate {public int iYear;public int iMonth;public int iDay;private static int checkYear(int iYear) { if ((iYear > 1901) && (iYear < 2050)) return iYear; else { System.out.println("The Year out of range, I think you want 1981"); return 1981; }}public MyDate(int iYear, int iMonth, int iDay) { this.iYear = checkYear(iYear); this.iMonth = iMonth; this.iDay = iDay;}public MyDate(int iYear, int iMonth) { this.iYear = checkYear(iYear); this.iMonth = iMonth; this.iDay = 1;}public MyDate(int iYear) { this.iYear = checkYear(iYear); this.iMonth = 1; this.iDay = 1;}public MyDate() { this.iYear = 1981; this.iMonth = 1; this.iDay = 1;}public String toString() { return "" + this.iYear + (this.iMonth > 9 ? "" + this.iMonth : "0" + this.iMonth) + (this.iDay > 9 ? "" + this.iDay : "0" + this.iDay);}public boolean equals(MyDate md) { return ((md.iDay == this.iDay) && (md.iMonth == this.iMonth) && (md.iYear == this.iYear));}}// 阳历日期类,继承自定义日期class SolarDate extends MyDate {private static int checkMonth(int iMonth) { if (iMonth > 12) { System.out.println("Month out of range, I think you want 12 "); return 12; } else if (iMonth < 1) { System.out.println("Month out of range, I think you want 1 "); return 1; } else return iMonth;}private static int checkDay(int iYear, int iMonth, int iDay) { int iMonthDays = ChineseCalendarTwo.iGetSYearMonthDays(iYear, iMonth); if (iDay > iMonthDays) { System.out.println("Day out of range, I think you want " + iMonthDays + " "); return iMonthDays; } else if (iDay < 1) { System.out.println("Day out of range, I think you want 1 "); return 1; } else return iDay;}public SolarDate(int iYear, int iMonth, int iDay) { super(iYear); this.iMonth = checkMonth(iMonth); this.iDay = checkDay(this.iYear, this.iMonth, iDay);}public SolarDate(int iYear, int iMonth) { super(iYear); this.iMonth = checkMonth(iMonth);}public SolarDate(int iYear) { super(iYear);}public SolarDate() { super();}public String toString() { return "" + this.iYear + (this.iMonth > 9 ? "-" + this.iMonth : "-0" + this.iMonth) + (this.iDay > 9 ? "-" + this.iDay : "-0" + this.iDay);}public Week toWeek() { int iOffsetDays = 0; for (int i = 1901; i < iYear; i++) { if (ChineseCalendarTwo.bIsSolarLeapYear(i)) iOffsetDays += 366; else iOffsetDays += 365; } iOffsetDays += ChineseCalendarTwo.iGetSNewYearOffsetDays(iYear, iMonth, iDay); return new Week((iOffsetDays + 2) % 7);}public LunarDate toLunarDate() { int iYear, iMonth, iDay, iDate; LunarDate ld; iDate = Integer.parseInt(ChineseCalendarTwo.sCalendarSolarToLundar(this.iYear, this.iMonth, this.iDay)); iYear = iDate / 10000; iMonth = iDate % 10000 / 100; iDay = iDate % 100; ld = new LunarDate(iYear, iMonth, iDay); return ld;}}// 阴历日期类,继承自定义日期类class LunarDate extends MyDate {private String sChineseNum[] = { "零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十" };private static int checkMonth(int iYear, int iMonth) { if ((iMonth > 12) && (iMonth == ChineseCalendarTwo.iGetLLeapMonth(iYear) + 12)) { return iMonth; } else if (iMonth > 12) { System.out.println("Month out of range, I think you want 12 "); return 12; } else if (iMonth < 1) { System.out.println("Month out of range, I think you want 1 "); return 1; } else return iMonth;}private static int checkDay(int iYear, int iMonth, int iDay) { int iMonthDays = ChineseCalendarTwo.iGetLMonthDays(iYear, iMonth); if (iDay > iMonthDays) { System.out.println("Day out of range, I think you want " + iMonthDays + " "); return iMonthDays; } else if (iDay < 1) { System.out.println("Day out of range, I think you want 1 "); return 1; } else return iDay;}public LunarDate(int iYear, int iMonth, int iDay) { super(iYear); this.iMonth = checkMonth(this.iYear, iMonth); this.iDay = checkDay(this.iYear, this.iMonth, iDay);}public LunarDate(int iYear, int iMonth) { super(iYear); this.iMonth = checkMonth(this.iYear, iMonth);}public LunarDate(int iYear) { super(iYear);}public LunarDate() { super();}public String toString() { String sCalendar = "农历"; sCalendar += sChineseNum[iYear / 1000] + sChineseNum[iYear % 1000 / 100] + sChineseNum[iYear % 100 / 10] + sChineseNum[iYear % 10] + "(" + toChineseEra() + ")年"; if (iMonth > 12) { iMonth -= 12; sCalendar += "闰"; } if (iMonth == 12) sCalendar += "腊月"; else if (iMonth == 11) sCalendar += "冬月"; else if (iMonth == 1) sCalendar += "正月"; else sCalendar += sChineseNum[iMonth] + "月"; if (iDay > 29) sCalendar += "三十"; else if (iDay > 20) sCalendar += "二十" + sChineseNum[iDay % 20]; else if (iDay == 20) sCalendar += "二十"; else if (iDay > 10) sCalendar += "十" + sChineseNum[iDay % 10]; else sCalendar += "初" + sChineseNum[iDay]; return sCalendar;}public CnWeek toWeek() { int iOffsetDays = 0; for (int i = 1901; i < iYear; i++) iOffsetDays += ChineseCalendarTwo.iGetLYearDays(i); iOffsetDays += ChineseCalendarTwo.iGetLNewYearOffsetDays(iYear, iMonth, iDay); return new CnWeek((iOffsetDays + 2) % 7);}public ChineseEra toChineseEra() { return new ChineseEra(iYear);}public SolarDate toSolarDate() { int iYear, iMonth, iDay, iDate; SolarDate sd; iDate = Integer.parseInt(ChineseCalendarTwo.sCalendarLundarToSolar(this.iYear, this.iMonth, this.iDay)); iYear = iDate / 10000; iMonth = iDate % 10000 / 100; iDay = iDate % 100; sd = new SolarDate(iYear, iMonth, iDay); return sd;}}class CnWeek extends Week {private String sCnWeek[] = { "日", "一", "二", "三", "四", "五", "六" };public CnWeek() { super();}public CnWeek(int iWeek) { super(iWeek);}public String toString() { return "星期" + sCnWeek[this.iWeek];}}class ChineseEra {int iYear;String[] sHeavenlyStems = { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" };String[] sEarthlyBranches = { "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" };public ChineseEra() { int iYear = 1981;}public ChineseEra(int iYear) { if ((iYear < 2050) && (iYear > 1901)) this.iYear = iYear; else this.iYear = 1981;}public String toString() { int temp; temp = Math.abs(iYear – 1924); return sHeavenlyStems[temp % 10] + sEarthlyBranches[temp % 12];}}把整个时间选择器做完了，在全部分享出来
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