package com.work.util;

/**

* @author wangmj

* 编写时间：2005-8-2

* 所在的project名称：00newframe

* 类的名称为：Lunar.java

*/

import java.util.Calendar;

import java.util.Date;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

//import com.veriweb.util.OurLog;

public final class Lauar {

private static Log log = LogFactory.getLog(Lauar.class);

private static int monCyl, dayCyl, yearCyl;

private static int year, month, day;

private static boolean isLeap;

private static int[] lunarInfo = { 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 };

private static int[] solarMonth = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31,

30, 31 };

private static String[] Gan = { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛",

"壬", "癸" };

private static String[] Zhi = { "子", "丑", "寅", "卯", "辰", "巳", "午", "未",

"申", "酉", "戌", "亥" };

private static String[] Animals = { "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊",

"猴", "鸡", "狗", "猪" };

private static int[] sTermInfo = { 0, 21208, 42467, 63836, 85337, 107014,

128867, 150921, 173149, 195551, 218072, 240693, 263343, 285989,

308563, 331033, 353350, 375494, 397447, 419210, 440795, 462224,

483532, 504758 };

private static String[] nStr1 = { "日", "一", "二", "三", "四", "五", "六", "七",

"八", "九", "十" };

private static String[] nStr2 = { "初", "十", "廿", "卅", "　" };

private static String[] monthNong = { "正", "正", "二", "三", "四", "五", "六",

"七", "八", "九", "十", "十一", "十二" };

private static String[] yearName = { "零", "壹", "贰", "叁", "肆", "伍", "陆",

"柒", "捌", "玖" };

public Lauar() {

}

//====================================== 传回农历 y年的总天数

private static int lYearDays(int y) {

int i;

int sum = 348; //29*12

for (i = 0x8000; i > 0x8; i >>= 1) {

//OurLog.debug("i="+i);

sum += (lunarInfo[y - 1900] & i) == 0 ? 0 : 1; //大月+1天

}

return (sum + leapDays(y)); //+闰月的天数

}

//====================================== 传回农历 y年闰月的天数

private static int leapDays(int y) {

if (leapMonth(y) != 0)

return ((lunarInfo[y - 1900] & 0x10000) == 0 ? 29 : 30);

else

return (0);

}

//====================================== 传回农历 y年闰哪个月 1-12 , 没闰传回 0

private static int leapMonth(int y) {

return (lunarInfo[y - 1900] & 0xf);

}

//====================================== 传回农历 y年m月的总天数

private static int monthDays(int y, int m) {

return ((lunarInfo[y - 1900] & (0x10000 >> m)) == 0 ? 29 : 30);

}

//====================================== 算出农历, 传入日期物件, 传回农历日期物件

// 该物件属性有 .year .month .day .isLeap .yearCyl .dayCyl .monCyl

private static void Lunar1(Date objDate) {

int i, leap = 0, temp = 0;

//int monCyl,dayCyl,yearCyl;

//int year,month,day;

//boolean isLeap;

Calendar cl = Calendar.getInstance();

cl.set(1900, 0, 31); //1900-01-31是农历1900年正月初一

Date baseDate = cl.getTime();

//1900-01-31是农历1900年正月初一

int offset = (int) ((objDate.getTime() - baseDate.getTime()) / 86400000); //天数(86400000=24*60*60*1000)

//System.out.println(offset);

dayCyl = offset + 40; //1899-12-21是农历1899年腊月甲子日

monCyl = 14; //1898-10-01是农历甲子月

//得到年数

for (i = 1900; i < 2050 && offset > 0; i++) {

temp = lYearDays(i); //农历每年天数

offset -= temp;

monCyl += 12;

}

if (offset < 0) {

offset += temp;

i--;

monCyl -= 12;

}

year = i; //农历年份

yearCyl = i - 1864; //1864年是甲子年

leap = leapMonth(i); //闰哪个月

isLeap = false;

for (i = 1; i < 13 && offset > 0; i++) {

//闰月

if (leap > 0 && i == (leap + 1) && isLeap == false) {

--i;

isLeap = true;

temp = leapDays(year);

} else {

temp = monthDays(year, i);

}

//解除闰月

if (isLeap == true && i == (leap + 1))

isLeap = false;

offset -= temp;

if (isLeap == false)

monCyl++;

}

if (offset == 0 && leap > 0 && i == leap + 1)

if (isLeap) {

isLeap = false;

} else {

isLeap = true;

--i;

--monCyl;

}

if (offset < 0) {

offset += temp;

--i;

--monCyl;

}

month = i; //农历月份

day = offset + 1; //农历天份

//System.out.println(day);

}

private static int getYear() {

return (year);

}

private static int getMonth() {

return (month);

}

private static int getDay() {

return (day);

}

private static int getMonCyl() {

return (monCyl);

}

private static int getYearCyl() {

return (yearCyl);

}

private static int getDayCyl() {

return (dayCyl);

}

private static boolean getIsLeap() {

return (isLeap);

}

//============================== 传入 offset 传回干支, 0=甲子

private static String cyclical(int num) {

return (Gan[num % 10] + Zhi[num % 12]);

}

//====================== 中文日期

private static String cDay(int d) {

String s;

switch (d) {

case 10:

s = "初十";

break;

case 20:

s = "二十";

break;

case 30:

s = "三十";

break;

default:

s = nStr2[(int) (d / 10)];//取商

s += nStr1[d % 10];//取余

}

return (s);

}

private static String cYear(int y) {

String s = " ";

int d;

while (y > 0) {

d = y % 10;

y = (y - d) / 10;

s = yearName[d] + s;

}

return (s);

}

public static String getLunar(String year, String month, String day) {

Date sDObj;

String s;

int SY, SM, SD;

int sy;

SY = Integer.parseInt(year);

SM = Integer.parseInt(month);

SD = Integer.parseInt(day);

sy = (SY - 4) % 12;

log.debug("SY=" + SY + "SM=" + SM + "SD=" + SD + "sy=" + sy);

Calendar cl = Calendar.getInstance();

cl.set(SY, SM - 1, SD);

sDObj = cl.getTime();

//com.veriweb.util.OurLog.debug("sDObj="+sDObj);

//日期

Lunar1(sDObj); //农历

s = "农历 " + "【" + Animals[sy] + "】" + cYear(getYear()) + "年" + " ";

s += (getIsLeap() ? "闰" : "") + monthNong[getMonth()] + "月"

+ (monthDays(getYear(), getMonth()) == 29 ? "小" : "大");

s += cDay(getDay()) + " ";

s += cyclical(getYearCyl()) + "年" + cyclical(getMonCyl()) + "月"

+ cyclical(getDayCyl()) + "日";

// System.out.println(s);

return s;

}

public static void main(String[] args) {

System.out.println(getLunar("2005", "8", "2"));

System.out.println(getLunar("2006", "8", "3"));

System.out.println(getLunar("2008", "6", "8"));

System.out.println(getLunar("2010", "8", "3"));

System.out.println(getLunar("2010", "7", "18"));

// 农历 【鸡】贰零零伍 年 六月大廿八 乙酉年癸未月戊午日

// 农历 【狗】贰零零陆 年 七月大初十 丙戌年丙申月甲子日

// 农历 【虎】贰零壹零 年 六月小廿三 庚寅年癸未月乙酉日

//=============修改之前VS修改之后============

// 农历 【鸡】贰零零伍 年 六月大廿八 乙酉年癸未月戊午日

// 农历 【狗】贰零零陆 年 七月大初十 丙戌年丙申月甲子日

// 农历 【虎】贰零壹零 年 六月小廿三 庚寅年癸未月乙酉日

}

}