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日期阴历转阳历

关键词:日期阴历阳历日期阴历转阳历  阅读(634) 赞(16)

[摘要]本文主要是对日期阴历转阳历的讲解,希望对大家学习日期阴历转阳历有所帮助。

  日期阴历转阳历,代码:

  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[] = {"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] + chineseNumber[n];

  }

  public String toString() {

  return year + "年" + (leap ? "闰" : "") + chineseNumber[month - 1] + "月" + getChinaDayString(day);

  }

  public static void main(String[] args) throws ParseException {

  Calendar today = Calendar.getInstance();

  today.setTime(chineseDateFormat.parse("2003年1月1日"));

  Lunar lunar = new Lunar( today );

  System.out.println("北京时间:" + chineseDateFormat.format(today.getTime()) + " 农历" + lunar);

  }

  }



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