/*
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*/
package com.feilong.huangdi.util;
/**
*
* @author feilong
*/
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;
Date baseDate = null;
final static String chineseNumber[] = {"正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "腊"};
final static String[] Gan = {"甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸"};
final static String[] Zhi = {"子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥"};
static SimpleDateFormat chineseDateFormat = new SimpleDateFormat("yyyy-MM-dd");
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
};
/**
* 六十甲子
*/
public static final String[] jiazhi = {
"甲子", "乙丑", "丙寅", "丁卯", "戊辰", "己巳", "庚午", "辛未", "壬申", "癸酉",
"甲戌", "乙亥", "丙子", "丁丑", "戊寅", "己卯", "庚辰", "辛巳", "壬午", "癸未",
"甲申", "乙酉", "丙戌", "丁亥", "戊子", "己丑", "庚寅", "辛卯", "壬辰", "癸巳",
"甲午", "乙未", "丙申", "丁酉", "戊戌", "己亥", "庚子", "辛丑", "壬寅", "癸卯",
"甲辰", "乙巳", "丙午", "丁未", "戊申", "己酉", "庚戌", "辛亥", "壬子", "癸丑",
"甲寅", "乙卯", "丙辰", "丁巳", "戊午", "己未", "庚申", "辛酉", "壬戌", "癸亥"
};
private Calendar cal;
public String getYearGanZhi(int hour) {
int idx = (year - 1864) % 60;
//没有过春节的话那么年还算上一年的
String y = jiazhi[idx];
String m="";
String d="";
String h="";
idx = idx % 5;
int idxm=0;
/**
* 年上起月
* 甲己之年丙作首，乙庚之岁戊为头，
* 丙辛必定寻庚起，丁壬壬位顺行流，
* 更有戊癸何方觅，甲寅之上好追求。
*/
idxm=(idx+1)*2;
if(idxm==10) idxm=0;
m=Gan[(idxm+month)%10-1]+Zhi[(month+2)%12-1];
/*求出和1900年1月31日甲辰日相差的天数
* 甲辰日是第四十天
*/
int offset = (int) ((cal.getTime().getTime() - baseDate.getTime()) / 86400000L);
offset=(offset+40)%60;
d=jiazhi[offset];
/**
* 日上起时
* 甲己还生甲，乙庚丙作初，
* 丙辛从戊起，丁壬庚子居，
* 戊癸何方发，壬子是真途。
*/
offset=(offset % 5 )*2;
h=Gan[(offset+hour)%12]+Zhi[hour];
return y+m+d+h;
}
//====== 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) {
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) {
this.cal=cal;
int yearCyl, monCyl, dayCyl;
int leapMonth = 0;
try {
baseDate = chineseDateFormat.parse("1900-1-31");
} 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 getYearStr(year) + "年" + (leap ? "闰" : "") + chineseNumber[month - 1] + "月" + getChinaDayString(day);
}
public String getYearStr(int year) {
String[] chineseword = {"零", "一", "二", "三", "四", "五", "六", "七", "八", "九"};
String ys = "";
int index = year / 1000;
ys += chineseword[index];
year = year % 1000;
index = year / 100;
ys += chineseword[index];
year = year % 100;
index = year / 10;
ys += chineseword[index];
year = year % 10;
index = year;
ys += chineseword[index];
return ys;
}
public static String getSixtyDay() {
String temp = "";
for (int i = 0; i < 60; i++) {
temp += ",\"" + cyclicalm(i) + "\"";
}
return temp;
}
}
[ 本帖最后由 飞龙 于 2008/5/1 23:54 编辑 ] |
发表于 2008/5/1 08:50:26
