solarlunar
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阳历阴历（公历农历）互转 - Modernized version
834 lines (768 loc) • 28.8 kB
JavaScript
;
Object.defineProperty(exports, '__esModule', { value: true });
/**
* 农历 1900-2100 的润大小信息表
* @return Array
*/
var lunarInfo = [0x04bd8, 0x04ae0, 0x0a570, 0x054d5, 0x0d260, 0x0d950, 0x16554, 0x056a0, 0x09ad0, 0x055d2,//1900-1909
0x04ae0, 0x0a5b6, 0x0a4d0, 0x0d250, 0x1d255, 0x0b540, 0x0d6a0, 0x0ada2, 0x095b0, 0x14977,//1910-1919
0x04970, 0x0a4b0, 0x0b4b5, 0x06a50, 0x06d40, 0x1ab54, 0x02b60, 0x09570, 0x052f2, 0x04970,//1920-1929
0x06566, 0x0d4a0, 0x0ea50, 0x06e95, 0x05ad0, 0x02b60, 0x186e3, 0x092e0, 0x1c8d7, 0x0c950,//1930-1939
0x0d4a0, 0x1d8a6, 0x0b550, 0x056a0, 0x1a5b4, 0x025d0, 0x092d0, 0x0d2b2, 0x0a950, 0x0b557,//1940-1949
0x06ca0, 0x0b550, 0x15355, 0x04da0, 0x0a5b0, 0x14573, 0x052b0, 0x0a9a8, 0x0e950, 0x06aa0,//1950-1959
0x0aea6, 0x0ab50, 0x04b60, 0x0aae4, 0x0a570, 0x05260, 0x0f263, 0x0d950, 0x05b57, 0x056a0,//1960-1969
0x096d0, 0x04dd5, 0x04ad0, 0x0a4d0, 0x0d4d4, 0x0d250, 0x0d558, 0x0b540, 0x0b6a0, 0x195a6,//1970-1979
0x095b0, 0x049b0, 0x0a974, 0x0a4b0, 0x0b27a, 0x06a50, 0x06d40, 0x0af46, 0x0ab60, 0x09570,//1980-1989
0x04af5, 0x04970, 0x064b0, 0x074a3, 0x0ea50, 0x06b58, 0x05ac0, 0x0ab60, 0x096d5, 0x092e0,//1990-1999
0x0c960, 0x0d954, 0x0d4a0, 0x0da50, 0x07552, 0x056a0, 0x0abb7, 0x025d0, 0x092d0, 0x0cab5,//2000-2009
0x0a950, 0x0b4a0, 0x0baa4, 0x0ad50, 0x055d9, 0x04ba0, 0x0a5b0, 0x15176, 0x052b0, 0x0a930,//2010-2019
0x07954, 0x06aa0, 0x0ad50, 0x05b52, 0x04b60, 0x0a6e6, 0x0a4e0, 0x0d260, 0x0ea65, 0x0d530,//2020-2029
0x05aa0, 0x076a3, 0x096d0, 0x04afb, 0x04ad0, 0x0a4d0, 0x1d0b6, 0x0d250, 0x0d520, 0x0dd45,//2030-2039
0x0b5a0, 0x056d0, 0x055b2, 0x049b0, 0x0a577, 0x0a4b0, 0x0aa50, 0x1b255, 0x06d20, 0x0ada0,//2040-2049
/**Add By JJonline@JJonline.Cn**/
0x14b63, 0x09370, 0x049f8, 0x04970, 0x064b0, 0x168a6, 0x0ea50, 0x06b20, 0x1a6c4, 0x0aae0,//2050-2059
0x092e0, 0x0d2e3, 0x0c960, 0x0d557, 0x0d4a0, 0x0da50, 0x05d55, 0x056a0, 0x0a6d0, 0x055d4,//2060-2069
0x052d0, 0x0a9b8, 0x0a950, 0x0b4a0, 0x0b6a6, 0x0ad50, 0x055a0, 0x0aba4, 0x0a5b0, 0x052b0,//2070-2079
0x0b273, 0x06930, 0x07337, 0x06aa0, 0x0ad50, 0x14b55, 0x04b60, 0x0a570, 0x054e4, 0x0d160,//2080-2089
0x0e968, 0x0d520, 0x0daa0, 0x16aa6, 0x056d0, 0x04ae0, 0x0a9d4, 0x0a4d0, 0x0d150, 0x0f252,//2090-2099
0x0d520];//2100;
/**
* 公历每个月份的天数普通表
* @Array Of Property
* @return Number
*/
var solarMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
/**
* 天干地支之天干速查表
* @Array Of Property trans['甲','乙','丙','丁','戊','己','庚','辛','壬','癸']
* @return Cn string
*/
var gan = [
'\u7532',
'\u4e59',
'\u4e19',
'\u4e01',
'\u620a',
'\u5df1',
'\u5e9a',
'\u8f9b',
'\u58ec',
'\u7678'
];
/**
* 天干地支之地支速查表
* @Array Of Property
* @trans['子','丑','寅','卯','辰','巳','午','未','申','酉','戌','亥']
* @return Cn string
*/
var zhi = [
'\u5b50',
'\u4e11',
'\u5bc5',
'\u536f',
'\u8fb0',
'\u5df3',
'\u5348',
'\u672a',
'\u7533',
'\u9149',
'\u620c',
'\u4ea5'
];
/**
* 天干地支之地支速查表<=>生肖
* @Array Of Property
* @trans['鼠','牛','虎','兔','龙','蛇','马','羊','猴','鸡','狗','猪']
* @return Cn string
*/
var animals = [
'\u9f20',
'\u725b',
'\u864e',
'\u5154',
'\u9f99',
'\u86c7',
'\u9a6c',
'\u7f8a',
'\u7334',
'\u9e21',
'\u72d7',
'\u732a'
];
/**
* 24节气速查表
* @Array Of Property
* @trans['小寒','大寒','立春','雨水','惊蛰','春分','清明','谷雨','立夏','小满','芒种','夏至','小暑','大暑','立秋','处暑','白露','秋分','寒露','霜降','立冬','小雪','大雪','冬至']
* @return Cn string
*/
var lunarTerm = [
'\u5c0f\u5bd2', '\u5927\u5bd2', '\u7acb\u6625', '\u96e8\u6c34', '\u60ca\u86f0', '\u6625\u5206', '\u6e05\u660e', '\u8c37\u96e8', '\u7acb\u590f', '\u5c0f\u6ee1', '\u8292\u79cd', '\u590f\u81f3', '\u5c0f\u6691', '\u5927\u6691', '\u7acb\u79cb', '\u5904\u6691', '\u767d\u9732', '\u79cb\u5206', '\u5bd2\u9732', '\u971c\u964d', '\u7acb\u51ac', '\u5c0f\u96ea', '\u5927\u96ea', '\u51ac\u81f3'
];
/**
* 1900-2100各年的24节气日期速查表
* @Array Of Property
* @return 0x string For splice
*/
var lTermInfo = [
'9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf97c3598082c95f8c965cc920f',
'97bd0b06bdb0722c965ce1cfcc920f', 'b027097bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
'97bcf97c359801ec95f8c965cc920f', '97bd0b06bdb0722c965ce1cfcc920f', 'b027097bd097c36b0b6fc9274c91aa',
'97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f', '97bd0b06bdb0722c965ce1cfcc920f',
'b027097bd097c36b0b6fc9274c91aa', '9778397bd19801ec9210c965cc920e', '97b6b97bd19801ec95f8c965cc920f',
'97bd09801d98082c95f8e1cfcc920f', '97bd097bd097c36b0b6fc9210c8dc2', '9778397bd197c36c9210c9274c91aa',
'97b6b97bd19801ec95f8c965cc920e', '97bd09801d98082c95f8e1cfcc920f', '97bd097bd097c36b0b6fc9210c8dc2',
'9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec95f8c965cc920e', '97bcf97c3598082c95f8e1cfcc920f',
'97bd097bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec9210c965cc920e',
'97bcf97c3598082c95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
'97b6b97bd19801ec9210c965cc920e', '97bcf97c3598082c95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722',
'9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f',
'97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
'97bcf97c359801ec95f8c965cc920f', '97bd097bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
'97b6b97bd19801ec9210c965cc920e', '97bcf97c359801ec95f8c965cc920f', '97bd097bd07f595b0b6fc920fb0722',
'9778397bd097c36b0b6fc9210c8dc2', '9778397bd19801ec9210c9274c920e', '97b6b97bd19801ec95f8c965cc920f',
'97bd07f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c920e',
'97b6b97bd19801ec95f8c965cc920f', '97bd07f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2',
'9778397bd097c36c9210c9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bd07f1487f595b0b0bc920fb0722',
'7f0e397bd097c36b0b6fc9210c8dc2', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
'97bcf7f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
'97b6b97bd19801ec9210c965cc920e', '97bcf7f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
'9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e', '97bcf7f1487f531b0b0bb0b6fb0722',
'7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b97bd19801ec9210c965cc920e',
'97bcf7f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
'97b6b97bd19801ec9210c9274c920e', '97bcf7f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
'9778397bd097c36b0b6fc9210c91aa', '97b6b97bd197c36c9210c9274c920e', '97bcf7f0e47f531b0b0bb0b6fb0722',
'7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9210c8dc2', '9778397bd097c36c9210c9274c920e',
'97b6b7f0e47f531b0723b0b6fb0722', '7f0e37f5307f595b0b0bc920fb0722', '7f0e397bd097c36b0b6fc9210c8dc2',
'9778397bd097c36b0b70c9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721', '7f0e37f1487f595b0b0bb0b6fb0722',
'7f0e397bd097c35b0b6fc9210c8dc2', '9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721',
'7f0e27f1487f595b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
'97b6b7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
'9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
'7f0e397bd097c35b0b6fc920fb0722', '9778397bd097c36b0b6fc9274c91aa', '97b6b7f0e47f531b0723b0b6fb0721',
'7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9274c91aa',
'97b6b7f0e47f531b0723b0787b0721', '7f0e27f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
'9778397bd097c36b0b6fc9210c91aa', '97b6b7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
'7f0e397bd07f595b0b0bc920fb0722', '9778397bd097c36b0b6fc9210c8dc2', '977837f0e37f149b0723b0787b0721',
'7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f5307f595b0b0bc920fb0722', '7f0e397bd097c35b0b6fc9210c8dc2',
'977837f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e37f1487f595b0b0bb0b6fb0722',
'7f0e397bd097c35b0b6fc9210c8dc2', '977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
'7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722', '977837f0e37f14998082b0787b06bd',
'7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd097c35b0b6fc920fb0722',
'977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
'7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
'7f0e27f1487f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14998082b0787b06bd',
'7f07e7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0b0bb0b6fb0722', '7f0e397bd07f595b0b0bc920fb0722',
'977837f0e37f14998082b0723b06bd', '7f07e7f0e37f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
'7f0e397bd07f595b0b0bc920fb0722', '977837f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b0721',
'7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f1487f595b0b0bb0b6fb0722', '7f0e37f0e37f14898082b0723b02d5',
'7ec967f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0722', '7f0e37f1487f531b0b0bb0b6fb0722',
'7f0e37f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
'7f0e37f1487f531b0b0bb0b6fb0722', '7f0e37f0e37f14898082b072297c35', '7ec967f0e37f14998082b0787b06bd',
'7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722', '7f0e37f0e37f14898082b072297c35',
'7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722',
'7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f149b0723b0787b0721',
'7f0e27f1487f531b0b0bb0b6fb0722', '7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14998082b0723b06bd',
'7f07e7f0e47f149b0723b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722', '7f0e37f0e366aa89801eb072297c35',
'7ec967f0e37f14998082b0723b06bd', '7f07e7f0e37f14998083b0787b0721', '7f0e27f0e47f531b0723b0b6fb0722',
'7f0e37f0e366aa89801eb072297c35', '7ec967f0e37f14898082b0723b02d5', '7f07e7f0e37f14998082b0787b0721',
'7f07e7f0e47f531b0723b0b6fb0722', '7f0e36665b66aa89801e9808297c35', '665f67f0e37f14898082b0723b02d5',
'7ec967f0e37f14998082b0787b0721', '7f07e7f0e47f531b0723b0b6fb0722', '7f0e36665b66a449801e9808297c35',
'665f67f0e37f14898082b0723b02d5', '7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721',
'7f0e36665b66a449801e9808297c35', '665f67f0e37f14898082b072297c35', '7ec967f0e37f14998082b0787b06bd',
'7f07e7f0e47f531b0723b0b6fb0721', '7f0e26665b66a449801e9808297c35', '665f67f0e37f1489801eb072297c35',
'7ec967f0e37f14998082b0787b06bd', '7f07e7f0e47f531b0723b0b6fb0721', '7f0e27f1487f531b0b0bb0b6fb0722'
];
/**
* 数字转中文速查表
* @Array Of Property
* @trans ['日','一','二','三','四','五','六','七','八','九','十']
* @return Cn string
*/
var nStr1 = [
'\u65e5',
'\u4e00',
'\u4e8c',
'\u4e09',
'\u56db',
'\u4e94',
'\u516d',
'\u4e03',
'\u516b',
'\u4e5d',
'\u5341'
];
/**
* 日期转农历称呼速查表
* @Array Of Property
* @trans ['初','十','廿','卅']
* @return Cn string
*/
var nStr2 = ['\u521d', '\u5341', '\u5eff', '\u5345'];
/**
* 月份转农历称呼速查表
* @Array Of Property
* @trans ['正','一','二','三','四','五','六','七','八','九','十','冬','腊']
* @return Cn string
*/
var nStr3 = [
'\u6b63',
'\u4e8c',
'\u4e09',
'\u56db',
'\u4e94',
'\u516d',
'\u4e03',
'\u516b',
'\u4e5d',
'\u5341',
'\u51ac',
'\u814a'
];
/**
* 年份数字转中文速查表
* @Array Of Property
* @trans ['零','一','二','三','四','五','六','七','八','九','十']
* @return Cn string
*/
var nStr4 = [
'\u96f6',
'\u4e00',
'\u4e8c',
'\u4e09',
'\u56db',
'\u4e94',
'\u516d',
'\u4e03',
'\u516b',
'\u4e5d',
'\u5341'
];
/**
* @1900-2100区间内的公历、农历互转
* @charset UTF-8
* @author Ajing(JJonline@JJonline.Cn), Modernized by OpenCode
* @Time 2014-7-21
* @Version $ID$
* @公历转农历：solarLunar.solar2lunar(1987,11,01); //[you can ignore params of prefix 0]
* @农历转公历：solarLunar.lunar2solar(1987,09,10); //[you can ignore params of prefix 0]
* @link http://blog.jjonline.cn/userInterFace/173.html
*/
const solarLunar = {
lunarInfo,
solarMonth,
gan,
zhi,
animals,
lunarTerm,
lTermInfo,
nStr1,
nStr2,
nStr3,
nStr4,
/**
* 返回农历y年一整年的总天数
* @param {number} y - lunar Year
* @returns {number}
* @eg:var count = solarLunar.lYearDays(1987) ;//count=387
*/
lYearDays(y) {
let sum = 348;
const info = lunarInfo[y - 1900];
// 优化：直接计算位数，减少循环
sum += info & 0x8000 ? 1 : 0;
sum += info & 0x4000 ? 1 : 0;
sum += info & 0x2000 ? 1 : 0;
sum += info & 0x1000 ? 1 : 0;
sum += info & 0x0800 ? 1 : 0;
sum += info & 0x0400 ? 1 : 0;
sum += info & 0x0200 ? 1 : 0;
sum += info & 0x0100 ? 1 : 0;
sum += info & 0x0080 ? 1 : 0;
sum += info & 0x0040 ? 1 : 0;
sum += info & 0x0020 ? 1 : 0;
sum += info & 0x0010 ? 1 : 0;
return sum + solarLunar.leapDays(y);
},
/**
* 返回农历y年闰月是哪个月；若y年没有闰月 则返回0
* @param {number} y - lunar Year
* @returns {number} (0-12)
* @eg:var leapMonth = solarLunar.leapMonth(1987) ;//leapMonth=6
*/
leapMonth(y) {
//闰字编码 \u95f0
return lunarInfo[y - 1900] & 0xf;
},
/**
* 返回农历y年闰月的天数 若该年没有闰月则返回0
* @param {number} y - lunar Year
* @returns {number} (0、29、30)
* @eg:var leapMonthDay = solarLunar.leapDays(1987) ;//leapMonthDay=29
*/
leapDays(y) {
if (solarLunar.leapMonth(y)) {
return lunarInfo[y - 1900] & 0x10000 ? 30 : 29;
}
return 0;
},
/**
* 返回农历 y 年 m 月（非闰月）的总天数，计算 m 为闰月时的天数请使用 leapDays 方法
* @param {number} y - lunar Year
* @param {number} m - lunar Month
* @returns {number} (-1、29、30)
* @eg:var MonthDay = solarLunar.monthDays(1987,9) ;//MonthDay=29
*/
monthDays(y, m) {
if (m > 12 || m < 1) {
return -1;
} //月份参数从1至12，参数错误返回-1
return lunarInfo[y - 1900] & (0x10000 >> m) ? 30 : 29;
},
/**
* 获取时辰干支
* @param {number} h - 公历小时 (0-23)
* @param {number} dayGanIndex - 日干索引 (0-9)，0=甲，1=乙，...，9=癸
* @returns {string} 时辰干支，如 "甲子"
* @eg:var shichen = solarLunar.getShiChen(23, 0); // 23:00 的子时，日干为甲时
*/
getShiChen(h, dayGanIndex) {
const hourZhiIndex = (h + 1) / 2 >= 24 ? 0 : Math.floor((h + 1) / 2) % 12;
const hourGanIndex = (dayGanIndex * 2 + hourZhiIndex) % 10;
return gan[hourGanIndex] + zhi[hourZhiIndex];
},
/**
* 返回公历(!)y年m月的天数
* @param {number} y - solar Year
* @param {number} m - solar Month
* @returns {number} (-1、28、29、30、31)
* @eg:var solarMonthDay = solarLunar.solarDays(1987) ;//solarMonthDay=30
*/
solarDays(y, m) {
if (m > 12 || m < 1) {
return -1;
} //若参数错误 返回-1
const ms = m - 1;
if (ms === 1) {
//2月份的闰平规律测算后确认返回28或29
return (y % 4 === 0 && y % 100 !== 0) || y % 400 === 0 ? 29 : 28;
} else {
return solarMonth[ms];
}
},
/**
* 传入offset偏移量返回干支
* @param {number} offset - 相对甲子的偏移量
* @returns {string} Cn string
*/
toGanZhi(offset) {
return gan[offset % 10] + zhi[offset % 12];
},
/**
* 传入公历(!) y 年获得该年第 n 个节气的公历日期
* @param {number} y - 公历年(1900-2100)；n二十四节气中的第几个节气(1~24)；从n=1(小寒)算起
* @param {number} n - 二十四节气中的第几个节气(1~24)
* @returns {number}
* @eg:var _24 = solarLunar.getTerm(1987,3) ;//_24=4;意即1987年2月4日立春
*/
getTerm(y, n) {
if (y < 1900 || y > 2100) {
return -1;
}
if (n < 1 || n > 24) {
return -1;
}
const _table = lTermInfo[y - 1900];
const _info = [
parseInt('0x' + _table.substr(0, 5)).toString(),
parseInt('0x' + _table.substr(5, 5)).toString(),
parseInt('0x' + _table.substr(10, 5)).toString(),
parseInt('0x' + _table.substr(15, 5)).toString(),
parseInt('0x' + _table.substr(20, 5)).toString(),
parseInt('0x' + _table.substr(25, 5)).toString(),
];
const _calDay = [
_info[0].substr(0, 1),
_info[0].substr(1, 2),
_info[0].substr(3, 1),
_info[0].substr(4, 2),
_info[1].substr(0, 1),
_info[1].substr(1, 2),
_info[1].substr(3, 1),
_info[1].substr(4, 2),
_info[2].substr(0, 1),
_info[2].substr(1, 2),
_info[2].substr(3, 1),
_info[2].substr(4, 2),
_info[3].substr(0, 1),
_info[3].substr(1, 2),
_info[3].substr(3, 1),
_info[3].substr(4, 2),
_info[4].substr(0, 1),
_info[4].substr(1, 2),
_info[4].substr(3, 1),
_info[4].substr(4, 2),
_info[5].substr(0, 1),
_info[5].substr(1, 2),
_info[5].substr(3, 1),
_info[5].substr(4, 2),
];
return parseInt(_calDay[n - 1]);
},
/**
* 传入农历年份数字返回汉语通俗表示法
* @param {number} y - lunar year
* @returns {string}
* @eg:
*/
toChinaYear(y) {
//年 => \u5E74
const oxxx = Math.floor(y / 1000);
const xoxx = Math.floor((y % 1000) / 100);
const xxox = Math.floor((y % 100) / 10);
const xxxo = y % 10;
return nStr4[oxxx] + nStr4[xoxx] + nStr4[xxox] + nStr4[xxxo] + '\u5E74';
},
/**
* 传入农历数字月份返回汉语通俗表示法
* @param {number} m - lunar month
* @returns {string}
* @eg:var cnMonth = solarLunar.toChinaMonth(12) ;//cnMonth='腊月'
*/
toChinaMonth(m) {
// 月 => \u6708
if (m > 12 || m < 1) {
return -1;
} //若参数错误 返回-1
let s = nStr3[m - 1];
s += '\u6708'; //加上月字
return s;
},
/**
* 传入农历日期数字返回汉字表示法
* @param {number} d - lunar day
* @returns {string} Cn string
* @eg:var cnDay = solarLunar.toChinaDay(21) ;//cnMonth='廿一'
*/
toChinaDay(d) {
//日 => \u65e5
let s = '';
switch (d) {
case 10:
s = '\u521d\u5341';
break;
case 20:
s = '\u4e8c\u5341';
break;
case 30:
s = '\u4e09\u5341';
break;
default:
s = nStr2[Math.floor(d / 10)];
s += nStr1[d % 10];
}
return s;
},
/**
* 年份转生肖 => 精确划分生肖分界线是"立春"
* @param {number} y - year
* @param {number} [m] - month (可选，用于精确计算)
* @param {number} [d] - day (可选，用于精确计算)
* @returns {string} Cn string
* @eg:var animal = solarLunar.getAnimal(1987) ;//animal='兔'
*/
getAnimal(y, m, d) {
// 如果提供了月日参数，基于立春进行精确计算
if (m !== undefined && d !== undefined) {
const term3 = solarLunar.getTerm(y, 3); // 立春日期
// 如果日期在立春之前，则生肖按上一年计算
if (m < 2 || (m === 2 && d < term3)) {
y = y - 1;
}
}
return animals[(y - 4) % 12];
},
/**
* 传入公历年月日获得详细的公历、农历object信息 <=>JSON
* @param {number} y - solar year
* @param {number} m - solar month
* @param {number} d - solar day
* @returns {object} JSON object
* @eg:console.log(solarLunar.solar2lunar(1987,11,01));
*/
solar2lunar(y, m, d) {
//参数区间1900.1.31~2100.12.31
// 输入验证
if (y == null || m == null || d == null) {
const objDate = new Date();
y = objDate.getFullYear();
m = objDate.getMonth() + 1;
d = objDate.getDate();
}
// 类型转换和验证
y = Number(y);
m = Number(m);
d = Number(d);
if (isNaN(y) || isNaN(m) || isNaN(d)) {
return -1;
}
if (y < 1900 || y > 2100) {
return -1;
} //年份限定、上限
if (y === 1900 && m === 1 && d < 31) {
return -1;
} //下限
// 验证月份和日期的有效性
if (m < 1 || m > 12) {
return -1;
}
const maxDay = solarLunar.solarDays(y, m);
if (d < 1 || d > maxDay) {
return -1;
}
const objDate = new Date(y, parseInt(m) - 1, d);
let i,
temp = 0;
//修正ymd参数
y = objDate.getFullYear();
m = objDate.getMonth() + 1;
d = objDate.getDate();
let offset =
(Date.UTC(objDate.getFullYear(), objDate.getMonth(), objDate.getDate()) -
Date.UTC(1900, 0, 31)) /
86400000;
// 使用原有的线性搜索算法以保持兼容性，但修复变量重声明问题
temp = 0;
for (i = 1900; i < 2101 && offset > 0; i++) {
temp = solarLunar.lYearDays(i);
offset -= temp;
}
if (offset < 0) {
offset += temp;
i--;
}
const finalYear = i;
//是否今天
const isTodayObj = new Date();
let isToday = false;
if (
isTodayObj.getFullYear() === y &&
isTodayObj.getMonth() + 1 === m &&
isTodayObj.getDate() === d
) {
isToday = true;
}
//星期几
const nWeek = objDate.getDay();
const cWeek = nStr1[nWeek];
const nWeekAdjusted = nWeek === 0 ? 7 : nWeek; //数字表示周几顺应天朝周一开始的惯例
//农历年
const year = finalYear;
const leapMonth = solarLunar.leapMonth(finalYear); //闰哪个月
let isLeap = false;
//效验闰月
for (i = 1; i < 13 && offset > 0; i++) {
//闰月
if (leapMonth > 0 && i === leapMonth + 1 && isLeap === false) {
--i;
isLeap = true;
temp = solarLunar.leapDays(year); //计算农历闰月天数
} else {
temp = solarLunar.monthDays(year, i); //计算农历普通月天数
}
//解除闰月
if (isLeap === true && i === leapMonth + 1) {
isLeap = false;
}
offset -= temp;
}
if (offset === 0 && leapMonth > 0 && i === leapMonth + 1) {
if (isLeap) {
isLeap = false;
} else {
isLeap = true;
--i;
}
}
if (offset < 0) {
offset += temp;
--i;
}
//农历月
const month = i;
//农历日
const day = offset + 1;
//天干地支处理
// 注意：干支年以立春为分界线，这是中国传统历法
// 立春通常在2月3-5日之间，立春之前出生的人，干支属上一年
const sm = m - 1;
const term3 = solarLunar.getTerm(y, 3); //该公历年立春日期
let gzY = solarLunar.toGanZhi(y - 4); //普通按年份计算，下方尚需按立春节气来修正
//依据立春日进行修正gzY
// 立春通常在2月3-5日之间，如果日期早于立春，应按上一年计算
if (m < 2 || (m === 2 && d < term3)) {
gzY = solarLunar.toGanZhi(y - 1 - 4);
}
//月柱 1900年1月小寒以前为 丙子月(60进制12)
const firstNode = solarLunar.getTerm(y, m * 2 - 1); //返回当月「节」为几日开始
const secondNode = solarLunar.getTerm(y, m * 2); //返回当月「节」为几日开始
//依据12节气修正干支月
// 使用原始的正确算法：年干支索引*12 + 月份 + 偏移
let gzM = solarLunar.toGanZhi((y - 1900) * 12 + m + 11);
if (d >= firstNode) {
gzM = solarLunar.toGanZhi((y - 1900) * 12 + m + 12);
}
//传入的日期的节气与否
let isTerm = false;
let term = '';
if (firstNode === d) {
isTerm = true;
term = lunarTerm[m * 2 - 2];
}
if (secondNode === d) {
isTerm = true;
term = lunarTerm[m * 2 - 1];
}
//日柱 当月一日与 1900/1/1 相差天数
const dayCyclical = Date.UTC(y, sm, 1, 0, 0, 0, 0) / 86400000 + 25567 + 10;
const gzD = solarLunar.toGanZhi(dayCyclical + d - 1);
return {
lYear: year,
lMonth: month,
lDay: day,
animal: solarLunar.getAnimal(year),
yearCn: solarLunar.toChinaYear(year),
monthCn: (isLeap && leapMonth === month ? '\u95f0' : '') + solarLunar.toChinaMonth(month),
dayCn: solarLunar.toChinaDay(day),
cYear: y,
cMonth: m,
cDay: d,
gzYear: gzY,
gzMonth: gzM,
gzDay: gzD,
isToday,
isLeap,
nWeek: nWeekAdjusted, //数字表示周几顺应天朝周一开始的惯例
ncWeek: '\u661f\u671f' + cWeek,
isTerm,
term,
};
},
/**
* 传入公历年月日以及传入的月份是否闰月获得详细的公历、农历object信息 <=>JSON
* @param {number} y - lunar year
* @param {number} m - lunar month
* @param {number} d - lunar day
* @param {boolean} isLeapMonth - lunar month is leap or not.
* @returns {object} JSON object
* @eg:console.log(solarLunar.lunar2solar(1987,9,10));
*/
lunar2solar(y, m, d, isLeapMonth) {
//参数区间1900.1.31~2100.12.1
// 输入验证
y = Number(y);
m = Number(m);
d = Number(d);
isLeapMonth = Boolean(isLeapMonth); // 确保是布尔值
if (isNaN(y) || isNaN(m) || isNaN(d)) {
return -1;
}
const leapMonth = solarLunar.leapMonth(y);
if (isLeapMonth && leapMonth !== m) {
return -1;
} //传参要求计算该闰月公历 但该年得出的闰月与传参的月份并不同
if ((y === 2100 && m === 12 && d > 1) || (y === 1900 && m === 1 && d < 31)) {
return -1;
} //超出了最大极限值
const day = solarLunar.monthDays(y, m);
if (y < 1900 || y > 2100 || d > day) {
return -1;
} //参数合法性效验
//计算农历的时间差
let offset = 0;
for (let i = 1900; i < y; i++) {
offset += solarLunar.lYearDays(i);
}
let leap = 0,
isAdd = false;
for (let i = 1; i < m; i++) {
leap = solarLunar.leapMonth(y);
if (!isAdd) {
//处理闰月
if (leap <= i && leap > 0) {
offset += solarLunar.leapDays(y);
isAdd = true;
}
}
offset += solarLunar.monthDays(y, i);
}
//转换闰月农历 需补充该年闰月的前一个月的时差
if (isLeapMonth) {
offset += day;
}
//1900年农历正月一日的公历时间为1900年1月30日0时0分0秒(该时间也是本农历的最开始起始点)
const stmap = Date.UTC(1900, 1, 30, 0, 0, 0);
const calObj = new Date((offset + d - 31) * 86400000 + stmap);
const cY = calObj.getUTCFullYear();
const cM = calObj.getUTCMonth() + 1;
const cD = calObj.getUTCDate();
return solarLunar.solar2lunar(cY, cM, cD);
},
/**
* 获取指定日期的传统节日
* @param {number} year - 公历年
* @param {number} month - 公历月
* @param {number} day - 公历日
* @returns {string[]} 传统节日数组
*/
getFestivals(year, month, day) {
const festivals = [];
const lunar = solarLunar.solar2lunar(year, month, day);
if (lunar === -1) return festivals;
const { lMonth, lDay } = lunar;
const fixedFestivals = {
'1-1': '春节',
'1-15': '元宵节',
'5-5': '端午节',
'7-7': '七夕节',
'8-15': '中秋节',
'9-9': '重阳节',
'12-8': '腊八节',
'12-23': '小年',
};
const key = `${lMonth}-${lDay}`;
if (fixedFestivals[key]) {
festivals.push(fixedFestivals[key]);
}
if (lMonth === 1 && lDay === 1) {
festivals.push('农历新年');
}
if (solarLunar.customFestivals) {
solarLunar.customFestivals.forEach((f) => {
if (f.month === lMonth && f.day === lDay) {
festivals.push(f.name);
}
});
}
return festivals;
},
/**
* 添加自定义农历节日
* @param {string} name - 节日名称
* @param {number} month - 农历月
* @param {number} day - 农历日
*/
addFestival(name, month, day) {
if (!solarLunar.customFestivals) {
solarLunar.customFestivals = [];
}
solarLunar.customFestivals.push({ name, month, day });
},
/**
* 清除所有自定义节日
*/
clearFestivals() {
solarLunar.customFestivals = [];
},
};
exports.default = solarLunar;
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