[宝典]阳历转阴历

[宝典]阳历转阴历 阳历转阴历 例如调整一月为正月、十二月为腊月，年份调整为阴历年份等。 import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; public class Lunar { private int year; private int month; private int day; private boolean leap; final static String chineseNumber[] = {"正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "腊"}; final static String chineseNumber1[] = {"一", "二", "三 ", "四", "五", "六", "七", "八", "九", "十", "十一", "十二"}; static SimpleDateFormat chineseDateFormat = new SimpleDateFormat("yyyy年MM月dd日"); final 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}; //====== 传回农历 y年的总天数 final private static int yearDays(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)); } //====== 传回农历 y年闰月的天数 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; } //====== 传回农历 y年闰哪个月 1-12 , 没闰传回 0 final private static int leapMonth(int y) { return (int) (lunarInfo[y - 1900] & 0xf); } //====== 传回农历 y年m月的总天数 final private static int monthDays(int y, int m) { if ((lunarInfo[y - 1900] & (0x10000 >> m)) == 0) return 29; else return 30; } //====== 传回农历 y年的生肖 final public String animalsYear() { final String[] Animals = new String[]{"鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪"}; return Animals[(year - 4) % 12]; } //====== 传入 月日的offset 传回干支, 0=甲子 final private static String cyclicalm(int num) { final String[] Gan = new String[]{"甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸"}; final String[] Zhi = new String[]{"子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥"}; return (Gan[num % 10] + Zhi[num % 12]); } //====== 传入 offset 传回干支, 0=甲子 final public String cyclical() { int num = year - 1900 + 36; return (cyclicalm(num)); } /** * 传出y年m月d日对应的农历. * yearCyl3:农历年与1864的相差数 ? * monCyl4:从1900年1月31日以来,闰月数 * dayCyl5:与1900年1月31日相差的天数,再加40 ? * * @param cal * @return */ public Lunar(Calendar cal) { int yearCyl, monCyl, dayCyl; int leapMonth = 0; Date baseDate = null; try { baseDate = chineseDateFormat.parse("1900年1月31日"); } catch (ParseException e) { e.printStackTrace(); //To change body of catch statement use Options | File Templates. } //求出和1900年1月31日相差的天数 int offset = (int) ((cal.getTime().getTime() - baseDate.getTime()) / 86400000L); dayCyl = offset + 40; monCyl = 14; //用offset减去每农历年的天数 // 计算当天是农历第几天 //i最终结果是农历的年份 //offset是当年的第几天 int iYear, daysOfYear = 0; for (iYear = 1900; iYear < 2050 && offset > 0; iYear++) { daysOfYear = yearDays(iYear); offset -= daysOfYear; monCyl += 12; } if (offset < 0) { offset += daysOfYear; iYear--; monCyl -= 12; } //农历年份 year = iYear; yearCyl = iYear - 1864; leapMonth = leapMonth(iYear); //闰哪个月,1-12 leap = false; //用当年的天数offset,逐个减去每月(农历)的天数，求出当天是本月的第几天 int iMonth, daysOfMonth = 0; for (iMonth = 1; iMonth < 13 && offset > 0; iMonth++) { //闰月 if (leapMonth > 0 && iMonth == (leapMonth + 1) && !leap) { --iMonth; leap = true; daysOfMonth = leapDays(year); } else daysOfMonth = monthDays(year, iMonth); offset -= daysOfMonth; //解除闰月 if (leap && iMonth == (leapMonth + 1)) leap = false; if (!leap) monCyl++; } //offset为0时，并且刚才计算的月份是闰月，要校正 if (offset == 0 && leapMonth > 0 && iMonth == leapMonth + 1) { if (leap) { leap = false; } else { leap = true; --iMonth; --monCyl; } } //offset小于0时，也要校正 if (offset < 0) { offset += daysOfMonth; --iMonth; --monCyl; } month = iMonth; day = offset + 1; } public static String getChinaDayString(int day) { String chineseTen[] = {"初", "十", "廿", "卅"}; int n = day % 10 == 0 ? 9 : day % 10 - 1; if (day > 30) return ""; if (day == 10) return "初十"; else return chineseTen[day / 10] + chineseNumber1[n]; } public String toString() { return (leap ? "闰" : "") + chineseNumber[month - 1] + "月" + getChinaDayString(day); } public String getChinaWeekdayString(String weekday){ if(weekday.equals("Mon")) return "一"; if(weekday.equals("Tue")) return "二"; if(weekday.equals("Wed")) return "三"; if(weekday.equals("Thu")) return "四"; if(weekday.equals("Fri")) return "五"; if(weekday.equals("Sat")) return "六"; if(weekday.equals("Sun")) return "日"; else return ""; } public static void main(String[] args) throws ParseException{ Calendar today = Calendar.getInstance(); today.setTime(new java.util.Date());//加载当前日期 //today.setTime(chineseDateFormat.parse("2006年10月30日"));//加载自定义日期 Lunar lunar = new Lunar(today); System.out.print(lunar.cyclical()+"年");//计算输出阴历年份 System.out.println(lunar.toString());//计算输出阴历日期 System.out.println(lunar.animalsYear());//计算输出属相 System.out.println(new java.sql.Date(today.getTime().getTime()));//输出阳历日期 System.out.println("星期 "+lunar.getChinaWeekdayString(today.getTime().toString().su bstring(0,3)));//计算输出星期几 } } 1. package lunarcalendae; 2. 3. import java.text.ParseException; 4. import java.text.SimpleDateFormat; 5. import java.util.Date; 6. 7. public class Lunar { 8. 9. private static Date TheDate = null; 10. private int cYear; 11. private int cMonth; 12. private int cDay; 13. private int cHour; 14. //天干 15. private String tgString = "甲乙丙丁戊己庚辛壬癸"; 16. //地支 17. private String dzString = "子丑寅卯辰巳午未申酉戌 亥"; 18. //中文数字 19. private String numString = "一二三四五六七八九十"; 20. //阴历中的月称 21. private String monString = "正二三四五六七八九十冬 腊"; 22. //星期的中文 23. private String weekString = "日一二三四五六"; 24. //生肖 25. private String sx = "鼠牛虎兔龙蛇马羊猴鸡狗猪"; 26. private SimpleDateFormat chineseDateFormat = new SimpleDateFormat( 27. "yyyy年MM月dd日"); 28. 29. //1900年到2050年的阴历推算信息 30. private long[] CalendarData = new long[] { 0x8096d, 0x4ae, 0xa57, 0x50a4d, 31. 0xd26, 0xd95, 0x40d55, 0x56a, 0x9ad, 0x2095d, 0x4ae, 0x6149b, 32. 0xa4d, 0xd25, 0x51aa5, 0xb54, 0xd6a, 0x212da, 0x95b, 0x70937, 33. 0x497, 0xa4b, 0x5164b, 0x6a5, 0x6d4, 0x415b5, 0x2b6, 0x957, 34. 0x2092f, 0x497, 0x60c96, 0xd4a, 0xea5, 0x50d69, 0x5ad, 0x2b6, 35. 0x3126e, 0x92e, 0x7192d, 0xc95, 0xd4a, 0x61b4a, 0xb55, 0x56a, 36. 0x4155b, 0x25d, 0x92d, 0x2192b, 0xa95, 0x71695, 0x6ca, 0xb55, 37. 0x50ab5, 0x4da, 0xa5d, 0x30a57, 0x52d, 0x8152a, 0xe95, 0x6aa, 38. 0x615aa, 0xab5, 0x4b6, 0x414ae, 0xa57, 0x526, 0x31d26, 0xd95, 39. 0x70b55, 0x56a, 0x96d, 0x5095d, 0x4ad, 0xa4d, 0x41a4d, 0xd25, 40. 0x81aa5, 0xb54, 0xb5a, 0x612da, 0x95b, 0x49b, 0x41497, 0xa4b, 41. 0xa164b, 0x6a5, 0x6d4, 0x615b4, 0xab6, 0x957, 0x5092f, 0x497, 42. 0x64b, 0x30d4a, 0xea5, 0x80d65, 0x55c, 0xab6, 0x5126d, 0x92e, 43. 0xc96, 0x41a95, 0xd4a, 0xda5, 0x20b55, 0x56a, 0x7155b, 0x25d, 44. 0x92d, 0x5192b, 0xa95, 0xb4a, 0x416aa, 0xad5, 0x90ab5, 0x4ba, 45. 0xa5b, 0x60a57, 0x52b, 0xa93, 0x40e95, 0x6aa, 0xad5, 0x209b5, 46. 0x4b6, 0x614ae, 0xa4e, 0xd26, 0x51d26, 0xd53, 0x5aa, 0x30d6a, 47. 0x96d, 0x7095d, 0x4ad, 0xa4d, 0x61a4b, 0xd25, 0xd52, 0x51b54, 48. 0xb5a, 0x56d, 0x2095b, 0x49b, 0x71497, 0xa4b, 0xaa5, 0x516a5, 49. 0x6d2, 0xada }; 50. 51. //存放每月一日到每年1月1日的天数，二月都以28天 计算 52. private int[] madd = new int[] { 0, 31, 59, 90, 120, 151, 181, 212, 243, 53. 273, 304, 334 }; 54. 55. //位运算，主要用来从十六进制中得到阴历每个月份是大月还是小月 56. private int GetBit(long m, int n) { 57. int r = (int) ((m >> n) & 1); 58. return r; 59. } 60. 61. //将阳历向阴历转换 62. @SuppressWarnings("deprecation") 63. public void e2c(String time) throws ParseException { 64. TheDate = chineseDateFormat.parse(time); 65. int total, m, n, k; 66. boolean isEnd = false; 67. int tmp = TheDate.getYear(); 68. if (tmp < 1900) { 69. tmp += 1900; 70. } 71. 72. //计算TheDate到1900年1月30日的总天数，1900年1月31日是“庚子年正月初一”我们以这个时间点来推测 73. total = (int) ((tmp - 1900) * 365/*先以每年365天粗算*/ 74. + countLeapYears(1900, tmp)/*再加上其中的闰年2月多出的一天*/ 75. + madd[TheDate.getMonth()]/*当前时间 月份到元旦的天数*/ 76. + TheDate.getDate()/*载加上当前月份已过天数*/ 77. - 30/*因为1900年1月31日才是正月初一，粗算时多算了30天*/); 78. //判断当前年份是否是闰年，如果为闰年并且二月已过，应再加上2月多的一天，才是准确的总天数 79. if (isLeapYear(tmp) && TheDate.getMonth() > 1) 80. total++; 81. //开始推算已经过了几个阴历年，从1900年开始 82. for (m = 0;; m++) { 83. //检查16进制中信息，当年是否有闰月，有，则为13个月份 84. k = (CalendarData[m] < 0xfff) ? 11 : 12; 85. 86. for (n = k; n >= 0; n--) { 87. //如果总天数被减得小于29或30(由16进制中的规律来确定)，则推算结束 88. if (total <= 29 + GetBit(CalendarData[m], n)) { 89. isEnd = true; 90. break; 91. } 92. //如果不小于29或30，则继续做减 93. total = total - 29 - GetBit(CalendarData[m], n); 94. } 95. if (isEnd) 96. break; 97. } 98. //当前阴历年份 99. cYear = 1900 + m; 100. //当前阴历月份 101. cMonth = k - n + 1; 102. //当前阴历日子 103. cDay = total; 104. 105. //如果阴历cYear年有闰月，则确定是闰几月，并精确阴历月份 106. if (k == 12) { 107. //如果cMonth恰巧等于该年闰月，则需要标示当前阴历月份为闰月 108. if (cMonth == Math.floor(CalendarData[m] / 0x10000) + 1){ 109. cMonth = 1 - cMonth; 110. } 111. //如果cMonth大于该年闰月，则表示闰月已过，需要对cMonth减1 112. if (cMonth > Math.floor(CalendarData[m] / 0x10000) + 1){ 113. cMonth--; 114. } 115. } 116. //计算时辰，夜里23点到1点为子时，每两个小时为一个时辰，用“地支”依次类推 117. cHour = (int) Math.floor((TheDate.getHours() + 3) / 2); 118. } 119. 120. //整理输出 121. public String getcDateString() { 122. String tmp = ""; 123. //算天干，1900年1月31日是庚子年，庚是天干中 的第七位需要对cYear-4再做模运算 124. tmp += tgString.charAt((cYear - 4) % 10); // 年 干 125. tmp += dzString.charAt((cYear - 4) % 12); // 年 支 126. tmp += "年("; 127. //算生肖 128. tmp += sx.charAt((cYear - 4) % 12); 129. tmp += ")"; 130. //处理闰月标记之前的闰月，是被处理为负数了 131. if (cMonth < 1) { 132. tmp += "闰"; 133. tmp += monString.charAt(-cMonth - 1); 134. } else 135. tmp += monString.charAt(cMonth - 1); 136. tmp += "月"; 137. //处理日子 138. tmp += (cDay < 11) ? "初" : ((cDay < 20) ? "十" : ((cDay < 30) ? "廿" 139. : "卅")); 140. if (cDay % 10 != 0 || cDay == 10) 141. tmp += numString.charAt((cDay - 1) % 10); 142. if (cHour == 13) 143. tmp += "夜"; 144. //处理时辰 145. tmp += dzString.charAt((cHour - 1) % 12); 146. tmp += "时"; 147. return tmp; 148. } 149. 150. //计算两个年份间的闰年数 151. private int countLeapYears(int s, int e) { 152. int count = 0; 153. for (int i = s; i < e; i++) { 154. if (isLeapYear(i)) { 155. count++; 156. } 157. } 158. return count; 159. } 160. 161. //判断年份是否为闰年 162. private boolean isLeapYear(int year) { 163. if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) { 164. return true; 165. } else { 166. return false; 167. } 168. } 169. 170. public static void main(String[] args) { 171. Lunar lunnar = new Lunar(); 172. try { 173. lunnar.e2c("2011年1月20日"); 174. } catch (ParseException e) { 175. // TODO Auto-generated catch block 176. e.printStackTrace(); 177. } 178. System.out.println(lunnar.getcDateString()); 179. } 180. 181. }