【Java開發】中國的公曆轉農曆-工具類
阿新 • • 發佈：2019-02-04
直接工具類：
執行效果：/** * */ package com.jy.common.utils; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.Locale; public class ChinaDate { final private static long[] lunarInfo = new long[] { 0x04bd8, 0x04ae0, 0x0a570, 0x054d5, 0x0d260, 0x0d950, 0x16554, 0x056a0, 0x09ad0, 0x055d2, 0x04ae0, 0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2, 0x095b0, 0x14977, 0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40, 0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970, 0x06566, 0x0d4a0, 0x0ea50, 0x06e95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7, 0x0c950, 0x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0, 0x092d0, 0x0d2b2, 0x0a950, 0x0b557, 0x06ca0, 0x0b550, 0x15355, 0x04da0, 0x0a5d0, 0x14573, 0x052d0, 0x0a9a8, 0x0e950, 0x06aa0, 0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263, 0x0d950, 0x05b57, 0x056a0, 0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0, 0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b5a0, 0x195a6, 0x095b0, 0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46, 0x0ab60, 0x09570, 0x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50, 0x06b58, 0x055c0, 0x0ab60, 0x096d5, 0x092e0, 0x0c960, 0x0d954, 0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0, 0x0cab5, 0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0, 0x0a5b0, 0x15176, 0x052b0, 0x0a930, 0x07954, 0x06aa0, 0x0ad50, 0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0, 0x0d260, 0x0ea65, 0x0d530, 0x05aa0, 0x076a3, 0x096d0, 0x04bd7, 0x04ad0, 0x0a4d0, 0x1d0b6, 0x0d250, 0x0d520, 0x0dd45, 0x0b5a0, 0x056d0, 0x055b2, 0x049b0, 0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0 }; final private static int[] year20 = new int[] { 1, 4, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1 }; final private static int[] year19 = new int[] { 0, 3, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0 }; final private static int[] year2000 = new int[] { 0, 3, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1 }; public final static String[] nStr1 = new String[] { "", "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "冬月", "臘月" }; private final static String[] Gan = new String[] { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" }; private final static String[] Zhi = new String[] { "子", "醜", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" }; private final static String[] Animals = new String[] { "鼠", "牛", "虎", "兔", "龍", "蛇", "馬", "羊", "猴", "雞", "狗", "豬" }; private final static String[] solarTerm = new String[] { "小寒", "大寒", "立春", "雨水", "驚蟄", "春分", "清明", "穀雨", "立夏", "小滿", "芒種", "夏至", "小暑", "大暑", "立秋", "處暑", "白露", "秋分", "寒露", "霜降", "立冬", "小雪", "大雪", "冬至" }; private final static String[] sFtv = new String[] { "0101*元旦", "0214 情人節", "0308 婦女節", "0312 植樹節", "0315 消費者權益日", "0401 愚人節", "0501 勞動節", "0504 青年節", "0512 護士節", "0601 兒童節", "0701 建黨節", "0801 建軍節", "0808 父親節", "0909 mzd逝世紀念", "0910 教師節", "0928 孔子誕辰", "1001*國慶節", "1006 老人節", "1024 聯合國日", "1112 孫中山誕辰", "1220 澳門迴歸", "1225 聖誕節", "1226 mzd誕辰" }; private final static String[] lFtv = new String[] { "0101*農曆春節", "0115 元宵節", "0505 端午節", "0707 七夕情人節", "0815 中秋節", "0909 重陽節", "1208 臘八節", "1224 小年", "0100*除夕" }; /** * 傳回農曆 y年的總天數 * * @param y * @return */ final private static int lYearDays(int y) { int i, sum = 348; for (i = 0x8000; i > 0x8; i >>= 1) { if ((lunarInfo[y - 1900] & i) != 0) sum += 1; } return (sum + leapDays(y)); } /** * 傳回農曆 y年閏月的天數 * * @param y * @return */ final private static int leapDays(int y) { if (leapMonth(y) != 0) { if ((lunarInfo[y - 1900] & 0x10000) != 0) return 30; else return 29; } else return 0; } /** * 傳回農曆 y年閏哪個月 1-12 , 沒閏傳回 0 * * @param y * @return */ final private static int leapMonth(int y) { return (int) (lunarInfo[y - 1900] & 0xf); } /** * 傳回農曆 y年m月的總天數 * * @param y * @param m * @return */ final private static int monthDays(int y, int m) { if ((lunarInfo[y - 1900] & (0x10000 >> m)) == 0) return 29; else return 30; } /** * 傳回農曆 y年的生肖 * * @param y * @return */ final public static String AnimalsYear(int y) { return Animals[(y - 4) % 12]; } /** * 傳入 月日的offset 傳回干支,0=甲子 * * @param num * @return */ final private static String cyclicalm(int num) { return (Gan[num % 10] + Zhi[num % 12]); } /** * 傳入 offset 傳回干支, 0=甲子 * * @param y * @return */ final public static String cyclical(int y) { int num = y - 1900 + 36; return (cyclicalm(num)); } /** * 傳出農曆.year0 .month1 .day2 .yearCyl3 .monCyl4 .dayCyl5 .isLeap6 * * @param y * @param m * @return */ final private long[] Lunar(int y, int m) { long[] nongDate = new long[7]; int i = 0, temp = 0, leap = 0; Date baseDate = new GregorianCalendar(1900 + 1900, 1, 31).getTime(); Date objDate = new GregorianCalendar(y + 1900, m, 1).getTime(); long offset = (objDate.getTime() - baseDate.getTime()) / 86400000L; if (y < 2000) offset += year19[m - 1]; if (y > 2000) offset += year20[m - 1]; if (y == 2000) offset += year2000[m - 1]; nongDate[5] = offset + 40; nongDate[4] = 14; for (i = 1900; i < 2050 && offset > 0; i++) { temp = lYearDays(i); offset -= temp; nongDate[4] += 12; } if (offset < 0) { offset += temp; i--; nongDate[4] -= 12; } nongDate[0] = i; nongDate[3] = i - 1864; leap = leapMonth(i); // 閏哪個月 nongDate[6] = 0; for (i = 1; i < 13 && offset > 0; i++) { // 閏月 if (leap > 0 && i == (leap + 1) && nongDate[6] == 0) { --i; nongDate[6] = 1; temp = leapDays((int) nongDate[0]); } else { temp = monthDays((int) nongDate[0], i); } // 解除閏月 if (nongDate[6] == 1 && i == (leap + 1)) nongDate[6] = 0; offset -= temp; if (nongDate[6] == 0) nongDate[4]++; } if (offset == 0 && leap > 0 && i == leap + 1) { if (nongDate[6] == 1) { nongDate[6] = 0; } else { nongDate[6] = 1; --i; --nongDate[4]; } } if (offset < 0) { offset += temp; --i; --nongDate[4]; } nongDate[1] = i; nongDate[2] = offset + 1; return nongDate; } /** * 傳出y年m月d日對應的農曆.year0 .month1 .day2 .yearCyl3 .monCyl4 .dayCyl5 .isLeap6 * * @param y * @param m * @param d * @return */ final public static long[] calElement(int y, int m, int d) { long[] nongDate = new long[7]; int i = 0, temp = 0, leap = 0; Date baseDate = new GregorianCalendar(0 + 1900, 0, 31).getTime(); Date objDate = new GregorianCalendar(y, m - 1, d).getTime(); long offset = (objDate.getTime() - baseDate.getTime()) / 86400000L; nongDate[5] = offset + 40; nongDate[4] = 14; for (i = 1900; i < 2050 && offset > 0; i++) { temp = lYearDays(i); offset -= temp; nongDate[4] += 12; } if (offset < 0) { offset += temp; i--; nongDate[4] -= 12; } nongDate[0] = i; nongDate[3] = i - 1864; leap = leapMonth(i); // 閏哪個月 nongDate[6] = 0; for (i = 1; i < 13 && offset > 0; i++) { // 閏月 if (leap > 0 && i == (leap + 1) && nongDate[6] == 0) { --i; nongDate[6] = 1; temp = leapDays((int) nongDate[0]); } else { temp = monthDays((int) nongDate[0], i); } // 解除閏月 if (nongDate[6] == 1 && i == (leap + 1)) nongDate[6] = 0; offset -= temp; if (nongDate[6] == 0) nongDate[4]++; } if (offset == 0 && leap > 0 && i == leap + 1) { if (nongDate[6] == 1) { nongDate[6] = 0; } else { nongDate[6] = 1; --i; --nongDate[4]; } } if (offset < 0) { offset += temp; --i; --nongDate[4]; } nongDate[1] = i; nongDate[2] = offset + 1; return nongDate; } public final static String getChinaDate(int day) { String a = ""; if (day == 10) return "初十"; if (day == 20) return "二十"; if (day == 30) return "三十"; int two = (int) ((day) / 10); if (two == 0) a = "初"; if (two == 1) a = "十"; if (two == 2) a = "廿"; if (two == 3) a = "三"; int one = (int) (day % 10); switch (one) { case 1: a += "一"; break; case 2: a += "二"; break; case 3: a += "三"; break; case 4: a += "四"; break; case 5: a += "五"; break; case 6: a += "六"; break; case 7: a += "七"; break; case 8: a += "八"; break; case 9: a += "九"; break; } return a; } public static String today() { Calendar today = Calendar.getInstance(Locale.SIMPLIFIED_CHINESE); int year = today.get(Calendar.YEAR); int month = today.get(Calendar.MONTH) + 1; int date = today.get(Calendar.DATE); long[] l = calElement(year, month, date); StringBuffer sToday = new StringBuffer(); try { sToday.append(sdf.format(today.getTime())); sToday.append(" 農曆"); sToday.append(cyclical(year)); sToday.append('('); sToday.append(AnimalsYear(year)); sToday.append(")年"); sToday.append(nStr1[(int) l[1]]); sToday.append("月"); sToday.append(getChinaDate((int) (l[2]))); return sToday.toString(); } finally { sToday = null; } } public static String oneDay(int year,int month,int day) { Calendar today = Calendar.getInstance(Locale.SIMPLIFIED_CHINESE); long[] l = calElement(year, month, day); StringBuffer sToday = new StringBuffer(); try { sToday.append(sdf.format(today.getTime())); sToday.append(" 農曆"); sToday.append(cyclical(year)); sToday.append('('); sToday.append(AnimalsYear(year)); sToday.append(")年"); sToday.append(nStr1[(int) l[1]]); sToday.append("月"); sToday.append(getChinaDate((int) (l[2]))); return sToday.toString(); } finally { sToday = null; } } private static SimpleDateFormat sdf = new SimpleDateFormat( "yyyy年M月d日 EEEEE"); /** * 農曆日曆工具使用演示 * * @param args */ public static void main(String[] args) { System.out.println(today()); System.out.println(oneDay(1989, 9, 10)); } }
1 2012年10月7日 星期日 農曆壬辰(龍)年八月廿二
2 2012年10月7日 星期日 農曆己巳(蛇)年八月初十注：第二條輸出記錄，我們有做處理，所以輸出的是當前的日期，你也可以自己寫一個方法，如：oneDay(int year,int month,int day)