在项目中获取系统日期转化为中国农历日历

在项目中使用的获取系统日期，转化为中国农历日历的类，希望对大家有帮助

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 };// ====== Return the total number of days of the lunar year yfinal 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));}// ====== Return the total number of days of the lunar month yfinal private static int leapDays(int y) {if (leapMonth(y) != 0) {if ((lunarInfo[y - 1900] & 0x10000) != 0)return 30;elsereturn 29;} elsereturn 0;}// ====== 传回农历 y年闰哪个月 1-12 , 没闰传回 0final 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;elsereturn 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));}public String getLunarMonthString() {// TODO Auto-generated method stubreturn null;}public Lunar(Calendar cal) {@SuppressWarnings("unused")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 useOptions// | 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,1-12leap = 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);} elsedaysOfMonth = 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", "三" };int n = day % 10 == 0 ? 9 : day % 10 - 1;if (day > 30)return "";if (day == 10)return "初十";elsereturn chineseTen[day / 10] + chineseNumber[n];}public String toString() {return chineseNumber[month - 1] + "月" + getChinaDayString(day);}}