package com.jone.app.utils; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; /** * Created by jone_admin on 14-1-3. */ public class Lunar { private static Date TheDate = null; private int cYear; private int cMonth; private int cDay; //private int cHour; //天干 private String tgString = "甲乙丙丁戊己庚辛壬癸"; //地支 private String dzString = "子丑寅卯辰巳午未申酉戌亥"; //中文数字 private String numString = "一二三四五六七八九十"; //阴历中的月称 private String monString = "正二三四五六七八九十冬腊"; //星期的中文 private String weekString = "日一二三四五六"; //生肖 private String sx = "鼠牛虎兔龙蛇马羊猴鸡狗猪"; private SimpleDateFormat chineseDateFormat = new SimpleDateFormat( "yyyy年MM月dd日"); //1900年到2050年的阴历推算信息 private long[] CalendarData = new long[] { 0x8096d, 0x4ae, 0xa57, 0x50a4d, 0xd26, 0xd95, 0x40d55, 0x56a, 0x9ad, 0x2095d, 0x4ae, 0x6149b, 0xa4d, 0xd25, 0x51aa5, 0xb54, 0xd6a, 0x212da, 0x95b, 0x70937, 0x497, 0xa4b, 0x5164b, 0x6a5, 0x6d4, 0x415b5, 0x2b6, 0x957, 0x2092f, 0x497, 0x60c96, 0xd4a, 0xea5, 0x50d69, 0x5ad, 0x2b6, 0x3126e, 0x92e, 0x7192d, 0xc95, 0xd4a, 0x61b4a, 0xb55, 0x56a, 0x4155b, 0x25d, 0x92d, 0x2192b, 0xa95, 0x71695, 0x6ca, 0xb55, 0x50ab5, 0x4da, 0xa5d, 0x30a57, 0x52d, 0x8152a, 0xe95, 0x6aa, 0x615aa, 0xab5, 0x4b6, 0x414ae, 0xa57, 0x526, 0x31d26, 0xd95, 0x70b55, 0x56a, 0x96d, 0x5095d, 0x4ad, 0xa4d, 0x41a4d, 0xd25, 0x81aa5, 0xb54, 0xb5a, 0x612da, 0x95b, 0x49b, 0x41497, 0xa4b, 0xa164b, 0x6a5, 0x6d4, 0x615b4, 0xab6, 0x957, 0x5092f, 0x497, 0x64b, 0x30d4a, 0xea5, 0x80d65, 0x55c, 0xab6, 0x5126d, 0x92e, 0xc96, 0x41a95, 0xd4a, 0xda5, 0x20b55, 0x56a, 0x7155b, 0x25d, 0x92d, 0x5192b, 0xa95, 0xb4a, 0x416aa, 0xad5, 0x90ab5, 0x4ba, 0xa5b, 0x60a57, 0x52b, 0xa93, 0x40e95, 0x6aa, 0xad5, 0x209b5, 0x4b6, 0x614ae, 0xa4e, 0xd26, 0x51d26, 0xd53, 0x5aa, 0x30d6a, 0x96d, 0x7095d, 0x4ad, 0xa4d, 0x61a4b, 0xd25, 0xd52, 0x51b54, 0xb5a, 0x56d, 0x2095b, 0x49b, 0x71497, 0xa4b, 0xaa5, 0x516a5, 0x6d2, 0xada }; //存放每月一日到每年1月1日的天数,二月都以28天计算 private int[] madd = new int[] { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 }; //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 private int GetBit(long m, int n) { int r = (int) ((m >> n) & 1); return r; } public String getLunarTime(long time) throws ParseException { return e2c(Utils.long2string(time, chineseDateFormat)); } //将阳历向阴历转换 @SuppressWarnings("deprecation") public String e2c(String time) throws ParseException { TheDate = chineseDateFormat.parse(time); int total, m, n, k; boolean isEnd = false; int tmp = TheDate.getYear(); if (tmp < 1900) { tmp += 1900; } //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 total = (int) ((tmp - 1900) * 365/*先以每年365天粗算*/ + countLeapYears(1900, tmp)/*再加上其中的闰年2月多出的一天*/ + madd[TheDate.getMonth()]/*当前时间月份到元旦的天数*/ + TheDate.getDate()/*载加上当前月份已过天数*/ - 30/*因为1900年1月31日才是正月初一,粗算时多算了30天*/); //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 if (isLeapYear(tmp) && TheDate.getMonth() > 1) total++; //开始推算已经过了几个阴历年,从1900年开始 for (m = 0;; m++) { //检查16进制中信息,当年是否有闰月,有,则为13个月份 k = (CalendarData[m] < 0xfff) ? 11 : 12; for (n = k; n >= 0; n--) { //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 if (total <= 29 + GetBit(CalendarData[m], n)) { isEnd = true; break; } //如果不小于29或30,则继续做减 total = total - 29 - GetBit(CalendarData[m], n); } if (isEnd) break; } //当前阴历年份 cYear = 1900 + m; //当前阴历月份 cMonth = k - n + 1; //当前阴历日子 cDay = total; //如果阴历cYear年有闰月,则确定是闰几月,并精确阴历月份 if (k == 12) { //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 if (cMonth == Math.floor(CalendarData[m] / 0x10000) + 1){ cMonth = 1 - cMonth; } //如果cMonth大于该年闰月,则表示闰月已过,需要对cMonth减1 if (cMonth > Math.floor(CalendarData[m] / 0x10000) + 1){ cMonth--; } } //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 //cHour = (int) Math.floor((TheDate.getHours() + 3) / 2); return getLunarDateString(); } //整理输出 public String getLunarDateString() { String tmp = ""; //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 tmp += tgString.charAt((cYear - 4) % 10); // 年干 tmp += dzString.charAt((cYear - 4) % 12); // 年支 tmp += "年("; //算生肖 tmp += sx.charAt((cYear - 4) % 12); tmp += ")"; //处理闰月标记之前的闰月,是被处理为负数了 if (cMonth < 1) { tmp += "闰"; tmp += monString.charAt(-cMonth - 1); } else tmp += monString.charAt(cMonth - 1); tmp += "月"; //处理日子 tmp += (cDay < 11) ? "初" : ((cDay < 20) ? "十" : ((cDay < 30) ? "廿" : "卅")); if (cDay % 10 != 0 || cDay == 10) tmp += numString.charAt((cDay - 1) % 10); // if (cHour == 13) // tmp += "夜"; // //处理时辰 // tmp += dzString.charAt((cHour - 1) % 12); // tmp += "时"; return tmp; } //计算两个年份间的闰年数 private int countLeapYears(int s, int e) { int count = 0; for (int i = s; i < e; i++) { if (isLeapYear(i)) { count++; } } return count; } //判断年份是否为闰年 private boolean isLeapYear(int year) { if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) { return true; } else { return false; } } public static final String chineseZodiacs[] = new String[]{ "鼠","牛","虎","兔", "龙","蛇","马","羊", "猴","鸡","狗","猪" }; public static int getChineseZodiacId(Integer year){ if(year < 1900){ return -1; } Integer start=1900; return (year-start)%chineseZodiacs.length; } public static int getChineseZodiacId(){ return getChineseZodiacId(Calendar.getInstance().get(Calendar.YEAR)); } public static void main(String[] args) { Lunar lunar = new Lunar(); try { System.out.println(lunar.e2c("2011年1月20日")); System.out.println(lunar.getLunarTime(System.currentTimeMillis())); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }