518 lines
26 KiB
Go
518 lines
26 KiB
Go
package calendar
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import (
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"fmt"
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"math"
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"regexp"
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"strconv"
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"strings"
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"time"
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"b612.me/astro/basic"
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)
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var tiangan = []string{"甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸"}
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var dizhi = []string{"子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥"}
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const (
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JQ_春分 = 15 * iota
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JQ_清明
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JQ_谷雨
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JQ_立夏
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JQ_小满
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JQ_芒种
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JQ_夏至
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JQ_小暑
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JQ_大暑
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JQ_立秋
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JQ_处暑
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JQ_白露
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JQ_秋分
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JQ_寒露
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JQ_霜降
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JQ_立冬
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JQ_小雪
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JQ_大雪
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JQ_冬至
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JQ_小寒
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JQ_大寒
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JQ_立春
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JQ_雨水
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JQ_惊蛰
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)
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// Lunar 公历转农历
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// 传入 公历年月日，时区
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// 返回 农历月，日，是否闰月以及文字描述
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// 按现行农历GB/T 33661-2017算法计算，推荐使用年限为[1929-3000]年
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// 古代由于定朔定气误差此处计算会与古时不符
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func Lunar(year, month, day int, timezone float64) (int, int, int, bool, string) {
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return basic.GetLunar(year, month, day, timezone/24.0)
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}
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// Solar 农历转公历
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// 传入 农历年份，月，日，是否闰月，时区
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// 传出 公历时间
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// 农历年份用公历年份代替，但是岁首需要使用农历岁首
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// 例：计算己亥猪年腊月三十日对应的公历（即2020年1月24日）
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// 由于农历还未到鼠年，故应当传入Solar(2019,12,30,false)
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// 按现行农历GB/T 33661-2017算法计算，推荐使用年限为[1929-3000]年
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// 古代由于定朔定气误差此处计算会与古时不符
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func Solar(year, month, day int, leap bool, timezone float64) time.Time {
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jde := basic.GetSolar(year, month, day, leap, timezone/24.0)
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zone := time.FixedZone("CST", int(timezone*3600))
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return basic.JDE2DateByZone(jde, zone, true)
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}
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// SolarToLunar 公历转农历
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// 传入 公历年月日
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// 返回 包含农历信息的Time结构体
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// 支持年份：[-103,3000]
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// [-103,1912] 按照古代历法提供的农历信息
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// (1912,3000]按现行农历GB/T 33661-2017算法计算
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func SolarToLunar(date time.Time) (Time, error) {
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return innerSolarToLunar(date)
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}
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func innerSolarToLunar(date time.Time) (Time, error) {
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if date.Year() < -103 || date.Year() > 3000 {
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return Time{}, fmt.Errorf("日期超出范围")
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}
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if date.Year() <= 1912 {
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return innerSolarToLunarHanQing(date), nil
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}
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if date.Year() < 2400 {
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y, m, d, l, desc := rapidLunarModern(date.Year(), int(date.Month()), date.Day())
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if desc == "无法获取农历信息" {
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return Time{}, fmt.Errorf("无法获取农历信息")
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}
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return transformModenLunar2Time(date, y, m, d, l, desc), nil
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}
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y, m, d, l, desc := basic.GetLunar(date.Year(), int(date.Month()), date.Day(), 8.0/24.0)
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return transformModenLunar2Time(date, y, m, d, l, desc), nil
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}
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func transformModenLunar2Time(date time.Time, year, month, day int, leap bool, desc string) Time {
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return Time{
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solarTime: date,
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lunars: []LunarTime{
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{
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solarDate: date,
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year: year,
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month: month,
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day: day,
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leap: leap,
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desc: desc,
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comment: "",
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ganzhiMonth: commonGanZhiOfMonth(year, month),
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eras: nil,
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},
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},
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}
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}
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// LunarToSolar 农历转公历
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// 传入 农历描述，如"二零二零年正月初一","元丰六年十月十二","元嘉二十七年七月庚午日"
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// 传出 包含公里农历信息的Time结构体切片
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// 传入参数支持如下结构
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// 农历年中文描述+农历月中文描述+农历日中文描述
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// 农历年中文描述+农历月中文描述+干支日中文描述
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// 年号+农历月中文描述+农历日中文描述
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// 年号+农历月中文描述+干支日中文描述
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// 支持年份：[-103,3000]
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func LunarToSolar(desc string) ([]Time, error) {
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dates, err := innerParseLunar(desc)
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if err != nil {
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return nil, err
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}
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var results []Time
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for _, v := range dates {
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date, err := SolarToLunar(v)
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if err != nil {
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return nil, err
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}
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results = append(results, date)
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}
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return results, nil
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}
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// LunarToSolarSingle 农历转公历
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// 传入 农历年月日，是否闰月
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// 传出 包含公里农历信息的Time结构体
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// 支持年份：[-103,3000]
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// [-103,1912] 按照古代历法提供的农历信息,注意，这里农历月份代表的是以当时的历法推定的农历月与正月的距离，正月为1，二月为2，依次类推，闰月显示所闰月
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// (1912,3000]按现行农历GB/T 33661-2017算法计算
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func LunarToSolarSingle(year, month, day int, leap bool) (Time, error) {
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if year < -103 || year > 3000 {
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return Time{}, fmt.Errorf("年份超出范围")
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}
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if year <= 1912 {
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date := rapidSolarHan2Qing(year, month, day, leap, yearDiffLunar(year, month, day), nil)
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return SolarToLunar(date)
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}
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if year < 2400 {
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date := rapidSolarModern(year, month, day, leap)
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return SolarToLunar(date)
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}
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date := Solar(year, month, day, leap, 8.0)
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return SolarToLunar(date)
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}
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// JieQi 返回传入年份、节气对应的北京时间节气时间
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func JieQi(year, term int) time.Time {
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calcJde := basic.GetJQTime(year, term)
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zone := time.FixedZone("CST", 8*3600)
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return basic.JDE2DateByZone(calcJde, zone, false)
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}
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// WuHou 返回传入年份、物候对应的北京时间物候时间
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func WuHou(year, term int) time.Time {
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calcJde := basic.GetWHTime(year, term)
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zone := time.FixedZone("CST", 8*3600)
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return basic.JDE2DateByZone(calcJde, zone, false)
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}
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func rapidLunarModern(year, month, day int) (int, int, int, bool, string) {
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var upper = []uint16{32274, 52242, 41001, 30036, 49204, 36918, 25882, 46101, 34854, 22674, 43026, 31145, 51241, 38964, 26997, 47149, 36885, 23717, 44069, 34258, 53266, 41001, 29036, 49178, 37915, 24875, 46090, 34853, 23698, 43026, 31129, 50229, 38970, 26971, 47126, 36874, 24804, 44068, 32242, 52274, 41013, 28086, 48173, 37909, 25898, 46089, 34852, 22706, 43050, 30189, 50203, 38957, 27989, 47123, 35881, 24788, 45076, 32298, 51258, 40986, 29099, 48170, 37906, 25897, 46121, 34836, 21754, 42038, 31190, 50197, 38949, 27986, 48146, 35881, 23860, 44084, 32309, 51245, 39981, 29093, 49189, 37906, 25897, 46121, 35500, 53274, 42011, 30123, 50218, 38949, 27986, 48146, 36889, 23770, 43066, 32282, 52246, 39978, 29028, 49188, 37938, 24885, 45109, 33846, 22678, 42005, 30186, 51209, 39972, 26994, 47146, 35885, 23853, 43051, 32341, 52242, 41001, 29076, 49172, 37930, 25885, 45082, 33835, 22675, 43026, 30121, 50217, 38964, 27002, 46133, 35862, 23770, 44069, 32466, 52242, 41001, 29108, 48180, 36917, 24950, 45101, 33813, 22674, 43026, 31209, 50217, 38954, 26989, 47131, 34859, 23765, 44068, 34322, 52242, 40985, 29082, 48186, 36890, 24874, 45098, 34852, 21746, 42034, 30197, 50229, 37942, 26966, 47125, 35881, 23828, 44052, 32298, 52266, 39981, 28077, 48171, 37909, 24873, 45097, 34836, 22762, 42010, 30172, 50202, 38955, 26963, 47122, 35881, 24852, 43060, 31290, 51253, 39990, 28058, 48149, 37906, 25897, 45097, 33844, 21686, 42037, 30198, 50221, 39957, 29010, 48146, 36905, 24884, 45098, 32365, 52251, 41003, 30101, 49188, 38930, 26905, 47125, 34842, 22747, 43034, 31210, 50218, 39956, 28018, 48170, 35893, 23866, 44086, 34518, 52245, 41001, 30100, 50196, 37930, 25973, 46124, 34861, 22677, 43029, 31209, 51241, 39956, 28010, 48154, 36892, 23853, 44058, 34507, 53266, 41001, 30100, 49204, 37946, 25946, 45110, 34838, 23754, 43018, 31208, 51240, 39988, 27061, 47149, 35893, 24854, 44053, 34442, 53265, 42024, 29098, 49194, 37933, 25965, 45099, 34837, 23753, 44049, 31192, 51220, 39962, 28059, 47126, 35882, 24852, 45074, 31785, 21652, 41012, 29114, 48181, 37910, 25962, 46121, 34834, 22761, 43049, 31220, 50220, 38957, 28053, 48139, 36901, 25874, 46098, 35433, 53273, 42010, 30125, 50202, 38922, 26917, 47140, 36882, 23769, 43065, 31226, 51254, 39958, 29002, 49162, 37924, 24882, 45106, 34421, 53293, 41005, 30165, 50197, 39945, 26980, 47140, 35882, 23797, 43053, 31277, 51243, 40981, 29001, 49161, 37908, 25898, 45082, 34523, 53270, 42026, 30098, 50194, 38953, 27988, 46132, 34874, 23770, 44054, 31210, 51237, 40978, 29097, 48169, 36916, 24950, 45101, 31797, 21605, 42021, 31186, 50194, 38953, 26988, 47130, 34859, 22765, 44042, 32293, 51236, 40978, 29081, 48185, 35898, 24859, 45078, 34826, 21669, 42020, 30130, 50226, 37941, 25974, 46125, 35861, 22762, 44041, 32228, 52260, 39978, 28077, 48157, 36909, 24853, 45075, 33833, 22676, 43028, 31146, 50234, 39962, 26987, 47146, 36882, 24809, 44073, 34260, 52276, 41014, 29082, 49173, 37926, 26898, 46098, 35497, 54313, 43060, 30197, 50221, 38957, 28005, 47141, 36882, 24809, 45097, 32300, 52250, 40987, 29101, 48170, 37925, 26898, 47122, 34841, 22746, 42042, 31195, 50198, 38954, 28004, 48164, 35890, 23861, 44085, 32310, 51245, 40981, 29098, 50185, 37924, 25970, 46122, 34861, 21614, 42029, 31189, 51218, 38953, 27988, 48148, 36906, 23837, 44058, 32299, 52266, 40978, 29097, 49193, 38932, 24954, 45110, 33846, 22682, 42021, 31186, 51218, 39977, 26996, 47156, 35893, 23862, 43053, 32405, 52261, 42002, 29097, 49193, 37932, 25901, 45083, 33835, 22677, 43044, 31122, 51218, 39961, 27994}
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var lower = []uint8{218, 184, 92, 154, 152, 84, 170, 168, 180, 186, 184, 54, 52, 148, 82, 84, 168, 180, 108, 110, 108, 44, 150, 148, 80, 106, 216, 92, 94, 92, 44, 40, 148, 82, 180, 216, 220, 184, 90, 84, 40, 148, 84, 168, 182, 116, 180, 86, 84, 42, 40, 84, 106, 104, 108, 174, 172, 84, 84, 168, 84, 212, 216, 92, 92, 152, 76, 84, 170, 168, 180, 186, 180, 52, 154, 148, 74, 80, 168, 180, 108, 108, 46, 44, 150, 148, 80, 104, 216, 92, 94, 92, 44, 148, 148, 202, 176, 216, 218, 184, 88, 42, 40, 148, 170, 168, 182, 116, 180, 86, 84, 40, 84, 84, 106, 232, 108, 174, 172, 76, 42, 168, 84, 106, 216, 92, 56, 152, 76, 76, 168, 212, 180, 186, 180, 52, 150, 148, 72, 168, 104, 180, 182, 108, 46, 44, 148, 74, 72, 104, 108, 220, 94, 92, 44, 148, 148, 200, 216, 184, 184, 92, 88, 42, 40, 148, 170, 168, 180, 186, 180, 86, 84, 40, 84, 84, 104, 116, 108, 172, 78, 76, 166, 168, 84, 106, 216, 92, 156, 88, 76, 72, 168, 212, 180, 184, 58, 52, 84, 74, 72, 164, 104, 116, 182, 108, 44, 150, 148, 74, 72, 88, 108, 220, 92, 46, 44, 148, 74, 168, 212, 180, 184, 92, 88, 40, 148, 84, 170, 168, 180, 186, 180, 52, 42, 168, 84, 170, 104, 116, 108, 172, 46, 44, 164, 84, 212, 106, 216, 92, 92, 88, 44, 164, 164, 212, 218, 184, 186, 180, 84, 42, 72, 164, 180, 108, 182, 108, 172, 86, 84, 40, 84, 84, 108, 110, 92, 174, 172, 84, 42, 168, 212, 218, 184, 92, 172, 168, 84, 84, 168, 212, 180, 184, 86, 52, 150, 164, 84, 170, 104, 116, 182, 108, 46, 44, 164, 82, 212, 216, 108, 220, 92, 44, 40, 148, 164, 212, 218, 184, 184, 90, 84, 42, 40, 164, 180, 108, 116, 182, 172, 84, 42, 40, 84, 84, 108, 110, 92, 172, 86, 84, 42, 168, 212, 218, 184, 92, 154, 152, 84, 170, 168, 180, 116, 184, 54, 52, 148, 74, 80, 168, 180, 108, 174, 108, 44, 150, 148, 80, 106, 216, 108, 220, 92, 44, 40, 148, 82, 180, 216, 92, 184, 90, 84, 40, 148, 148, 168, 182, 116, 182, 172, 84, 42, 40, 84, 170, 104, 108, 174, 172, 84, 84, 168, 84, 212, 216, 92, 92, 154, 152, 84, 170, 168, 180, 186, 180, 54, 52, 148, 74, 80, 168, 180, 108, 108, 46, 44, 150, 148, 80, 104, 216, 92, 94, 92, 44, 148, 148, 74, 176, 216, 218, 184, 88, 42, 40, 148, 84, 168, 182, 116, 180, 86, 84, 40, 148, 84, 106, 232, 108, 174, 172, 76, 42, 168, 84, 212, 216, 92, 92, 152, 76, 72, 168, 212, 180, 186, 180, 52, 150, 148, 72, 168, 104, 180, 108, 108, 46, 44, 148, 74, 72, 104, 108, 220, 94, 92, 44, 148}
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if year < 1900 || year > 2400 {
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return 0, 0, 0, false, "超过日期限制"
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}
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useGoto := false
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recalc:
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idx := year - 1900
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magic := int32(upper[idx])<<8 + int32(lower[idx])
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springMonth := (magic&0x800000)>>23 + 1
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springDay := (magic & 0x7FFFFF) >> 18
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if !useGoto && springMonth == int32(month) && springDay == int32(day) {
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return year, 1, 1, false, "正月初一"
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}
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if !useGoto && (springMonth > int32(month) || (springMonth == int32(month) && springDay > int32(day))) {
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year--
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useGoto = true
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goto recalc
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}
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calcYear := year
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if useGoto {
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calcYear++
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}
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target := time.Date(calcYear, time.Month(month), day, 0, 0, 0, 0, time.Local)
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spring := time.Date(year, time.Month(int(springMonth)), int(springDay), 0, 0, 0, 0, time.Local)
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diffDay := int(target.Sub(spring).Hours() / 24)
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lunarMonth := 1
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totalDay := 0
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isLeap := false
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leapMonth := int(uint8(magic>>14) & 0xF)
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strmonth := []string{"十", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十", "冬", "腊"}
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strday := []string{"初", "十", "廿", "三"}
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for i := 0; i < 13; i++ {
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var dayofLunar = 29
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if uint8(magic&0x3FFE>>(13-i))&1 == 1 {
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dayofLunar++
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}
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if totalDay+dayofLunar > diffDay {
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var result string
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if isLeap {
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result += "闰"
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}
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if lunarMonth == 1 {
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result += "正月"
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} else {
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result += strmonth[lunarMonth] + "月"
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}
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lday := diffDay - totalDay + 1
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if lday == 20 {
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result += "二十"
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} else if lday == 10 {
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result += "初十"
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} else {
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result += strday[lday/10] + strmonth[lday%10]
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}
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return year, lunarMonth, lday, isLeap, result
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}
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totalDay += dayofLunar
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lunarMonth++
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if lunarMonth-leapMonth == 1 && !isLeap {
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isLeap = true
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lunarMonth--
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} else {
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isLeap = false
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}
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}
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return 0, 0, 0, false, "无法获取农历信息"
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}
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func rapidSolarModern(year, month, day int, isLeap bool) time.Time {
|
||
var upper = []uint16{32274, 52242, 41001, 30036, 49204, 36918, 25882, 46101, 34854, 22674, 43026, 31145, 51241, 38964, 26997, 47149, 36885, 23717, 44069, 34258, 53266, 41001, 29036, 49178, 37915, 24875, 46090, 34853, 23698, 43026, 31129, 50229, 38970, 26971, 47126, 36874, 24804, 44068, 32242, 52274, 41013, 28086, 48173, 37909, 25898, 46089, 34852, 22706, 43050, 30189, 50203, 38957, 27989, 47123, 35881, 24788, 45076, 32298, 51258, 40986, 29099, 48170, 37906, 25897, 46121, 34836, 21754, 42038, 31190, 50197, 38949, 27986, 48146, 35881, 23860, 44084, 32309, 51245, 39981, 29093, 49189, 37906, 25897, 46121, 35500, 53274, 42011, 30123, 50218, 38949, 27986, 48146, 36889, 23770, 43066, 32282, 52246, 39978, 29028, 49188, 37938, 24885, 45109, 33846, 22678, 42005, 30186, 51209, 39972, 26994, 47146, 35885, 23853, 43051, 32341, 52242, 41001, 29076, 49172, 37930, 25885, 45082, 33835, 22675, 43026, 30121, 50217, 38964, 27002, 46133, 35862, 23770, 44069, 32466, 52242, 41001, 29108, 48180, 36917, 24950, 45101, 33813, 22674, 43026, 31209, 50217, 38954, 26989, 47131, 34859, 23765, 44068, 34322, 52242, 40985, 29082, 48186, 36890, 24874, 45098, 34852, 21746, 42034, 30197, 50229, 37942, 26966, 47125, 35881, 23828, 44052, 32298, 52266, 39981, 28077, 48171, 37909, 24873, 45097, 34836, 22762, 42010, 30172, 50202, 38955, 26963, 47122, 35881, 24852, 43060, 31290, 51253, 39990, 28058, 48149, 37906, 25897, 45097, 33844, 21686, 42037, 30198, 50221, 39957, 29010, 48146, 36905, 24884, 45098, 32365, 52251, 41003, 30101, 49188, 38930, 26905, 47125, 34842, 22747, 43034, 31210, 50218, 39956, 28018, 48170, 35893, 23866, 44086, 34518, 52245, 41001, 30100, 50196, 37930, 25973, 46124, 34861, 22677, 43029, 31209, 51241, 39956, 28010, 48154, 36892, 23853, 44058, 34507, 53266, 41001, 30100, 49204, 37946, 25946, 45110, 34838, 23754, 43018, 31208, 51240, 39988, 27061, 47149, 35893, 24854, 44053, 34442, 53265, 42024, 29098, 49194, 37933, 25965, 45099, 34837, 23753, 44049, 31192, 51220, 39962, 28059, 47126, 35882, 24852, 45074, 31785, 21652, 41012, 29114, 48181, 37910, 25962, 46121, 34834, 22761, 43049, 31220, 50220, 38957, 28053, 48139, 36901, 25874, 46098, 35433, 53273, 42010, 30125, 50202, 38922, 26917, 47140, 36882, 23769, 43065, 31226, 51254, 39958, 29002, 49162, 37924, 24882, 45106, 34421, 53293, 41005, 30165, 50197, 39945, 26980, 47140, 35882, 23797, 43053, 31277, 51243, 40981, 29001, 49161, 37908, 25898, 45082, 34523, 53270, 42026, 30098, 50194, 38953, 27988, 46132, 34874, 23770, 44054, 31210, 51237, 40978, 29097, 48169, 36916, 24950, 45101, 31797, 21605, 42021, 31186, 50194, 38953, 26988, 47130, 34859, 22765, 44042, 32293, 51236, 40978, 29081, 48185, 35898, 24859, 45078, 34826, 21669, 42020, 30130, 50226, 37941, 25974, 46125, 35861, 22762, 44041, 32228, 52260, 39978, 28077, 48157, 36909, 24853, 45075, 33833, 22676, 43028, 31146, 50234, 39962, 26987, 47146, 36882, 24809, 44073, 34260, 52276, 41014, 29082, 49173, 37926, 26898, 46098, 35497, 54313, 43060, 30197, 50221, 38957, 28005, 47141, 36882, 24809, 45097, 32300, 52250, 40987, 29101, 48170, 37925, 26898, 47122, 34841, 22746, 42042, 31195, 50198, 38954, 28004, 48164, 35890, 23861, 44085, 32310, 51245, 40981, 29098, 50185, 37924, 25970, 46122, 34861, 21614, 42029, 31189, 51218, 38953, 27988, 48148, 36906, 23837, 44058, 32299, 52266, 40978, 29097, 49193, 38932, 24954, 45110, 33846, 22682, 42021, 31186, 51218, 39977, 26996, 47156, 35893, 23862, 43053, 32405, 52261, 42002, 29097, 49193, 37932, 25901, 45083, 33835, 22677, 43044, 31122, 51218, 39961, 27994}
|
||
var lower = []uint8{218, 184, 92, 154, 152, 84, 170, 168, 180, 186, 184, 54, 52, 148, 82, 84, 168, 180, 108, 110, 108, 44, 150, 148, 80, 106, 216, 92, 94, 92, 44, 40, 148, 82, 180, 216, 220, 184, 90, 84, 40, 148, 84, 168, 182, 116, 180, 86, 84, 42, 40, 84, 106, 104, 108, 174, 172, 84, 84, 168, 84, 212, 216, 92, 92, 152, 76, 84, 170, 168, 180, 186, 180, 52, 154, 148, 74, 80, 168, 180, 108, 108, 46, 44, 150, 148, 80, 104, 216, 92, 94, 92, 44, 148, 148, 202, 176, 216, 218, 184, 88, 42, 40, 148, 170, 168, 182, 116, 180, 86, 84, 40, 84, 84, 106, 232, 108, 174, 172, 76, 42, 168, 84, 106, 216, 92, 56, 152, 76, 76, 168, 212, 180, 186, 180, 52, 150, 148, 72, 168, 104, 180, 182, 108, 46, 44, 148, 74, 72, 104, 108, 220, 94, 92, 44, 148, 148, 200, 216, 184, 184, 92, 88, 42, 40, 148, 170, 168, 180, 186, 180, 86, 84, 40, 84, 84, 104, 116, 108, 172, 78, 76, 166, 168, 84, 106, 216, 92, 156, 88, 76, 72, 168, 212, 180, 184, 58, 52, 84, 74, 72, 164, 104, 116, 182, 108, 44, 150, 148, 74, 72, 88, 108, 220, 92, 46, 44, 148, 74, 168, 212, 180, 184, 92, 88, 40, 148, 84, 170, 168, 180, 186, 180, 52, 42, 168, 84, 170, 104, 116, 108, 172, 46, 44, 164, 84, 212, 106, 216, 92, 92, 88, 44, 164, 164, 212, 218, 184, 186, 180, 84, 42, 72, 164, 180, 108, 182, 108, 172, 86, 84, 40, 84, 84, 108, 110, 92, 174, 172, 84, 42, 168, 212, 218, 184, 92, 172, 168, 84, 84, 168, 212, 180, 184, 86, 52, 150, 164, 84, 170, 104, 116, 182, 108, 46, 44, 164, 82, 212, 216, 108, 220, 92, 44, 40, 148, 164, 212, 218, 184, 184, 90, 84, 42, 40, 164, 180, 108, 116, 182, 172, 84, 42, 40, 84, 84, 108, 110, 92, 172, 86, 84, 42, 168, 212, 218, 184, 92, 154, 152, 84, 170, 168, 180, 116, 184, 54, 52, 148, 74, 80, 168, 180, 108, 174, 108, 44, 150, 148, 80, 106, 216, 108, 220, 92, 44, 40, 148, 82, 180, 216, 92, 184, 90, 84, 40, 148, 148, 168, 182, 116, 182, 172, 84, 42, 40, 84, 170, 104, 108, 174, 172, 84, 84, 168, 84, 212, 216, 92, 92, 154, 152, 84, 170, 168, 180, 186, 180, 54, 52, 148, 74, 80, 168, 180, 108, 108, 46, 44, 150, 148, 80, 104, 216, 92, 94, 92, 44, 148, 148, 74, 176, 216, 218, 184, 88, 42, 40, 148, 84, 168, 182, 116, 180, 86, 84, 40, 148, 84, 106, 232, 108, 174, 172, 76, 42, 168, 84, 212, 216, 92, 92, 152, 76, 72, 168, 212, 180, 186, 180, 52, 150, 148, 72, 168, 104, 180, 108, 108, 46, 44, 148, 74, 72, 104, 108, 220, 94, 92, 44, 148}
|
||
if year < 1900 || year > 2400 {
|
||
return time.Time{}
|
||
}
|
||
idx := year - 1900
|
||
magic := int32(upper[idx])<<8 + int32(lower[idx])
|
||
springMonth := (magic&0x800000)>>23 + 1
|
||
springDay := (magic & 0x7FFFFF) >> 18
|
||
spring := time.Date(year, time.Month(int(springMonth)), int(springDay), 0, 0, 0, 0, time.Local)
|
||
lunarMonth := 1
|
||
totalDay := 0
|
||
leap := false
|
||
leapMonth := int(uint8(magic>>14) & 0xF)
|
||
for i := 0; i < 13; i++ {
|
||
if lunarMonth == month && isLeap == leap {
|
||
target := spring.AddDate(0, 0, totalDay+day-1)
|
||
return target
|
||
}
|
||
var dayofLunar = 29
|
||
if uint8(magic&0x3FFE>>(13-i))&1 == 1 {
|
||
dayofLunar++
|
||
}
|
||
totalDay += dayofLunar
|
||
lunarMonth++
|
||
if lunarMonth-leapMonth == 1 && !leap {
|
||
leap = true
|
||
lunarMonth--
|
||
} else {
|
||
leap = false
|
||
}
|
||
}
|
||
return time.Time{}
|
||
}
|
||
|
||
// 中文数字到阿拉伯数字的映射
|
||
var chineseNumbers = map[string]int{
|
||
"元": 1, "一": 1, "二": 2, "三": 3, "四": 4, "五": 5,
|
||
"六": 6, "七": 7, "八": 8, "九": 9, "十": 10,
|
||
"十一": 11, "十二": 12, "十三": 13, "十四": 14, "十五": 15,
|
||
"十六": 16, "十七": 17, "十八": 18, "十九": 19, "二十": 20,
|
||
"廿一": 21, "廿二": 22, "廿三": 23, "廿四": 24, "廿五": 25,
|
||
"廿六": 26, "廿七": 27, "廿八": 28, "廿九": 29, "三十": 30, "卅一": 31,
|
||
}
|
||
|
||
var chineseDays = map[string]int{
|
||
"初一": 1, "初二": 2, "初三": 3, "初四": 4, "初五": 5,
|
||
"初六": 6, "初七": 7, "初八": 8, "初九": 9, "初十": 10,
|
||
"十一": 11, "十二": 12, "十三": 13, "十四": 14, "十五": 15,
|
||
"十六": 16, "十七": 17, "十八": 18, "十九": 19, "二十": 20,
|
||
"廿一": 21, "廿二": 22, "廿三": 23, "廿四": 24, "廿五": 25,
|
||
"廿六": 26, "廿七": 27, "廿八": 28, "廿九": 29, "三十": 30, "卅一": 31,
|
||
}
|
||
|
||
// 中文月份到数字的映射
|
||
var chineseMonths = map[string]int{
|
||
"正": 1, "腊": 12, "冬": 11, "十一": 11, "十二": 12,
|
||
"一": 1, "二": 2, "三": 3, "四": 4, "五": 5, "六": 6,
|
||
"七": 7, "八": 8, "九": 9, "十": 10,
|
||
}
|
||
|
||
func parseChineseDate(dateStr string) (LunarTime, error) {
|
||
var result LunarTime
|
||
var err error
|
||
result.desc = dateStr
|
||
dateStr = "公元" + dateStr
|
||
// 正则表达式匹配日期格式
|
||
re := regexp.MustCompile(`^([\p{Han}]+?)([一二三四五六七八九十零〇\d]*?元?)年([\p{Han}\d]+?)月([\p{Han}\d]+?)日?$`)
|
||
matches := re.FindStringSubmatch(dateStr)
|
||
if len(matches) < 5 {
|
||
return result, fmt.Errorf("无效的日期格式: %s", dateStr)
|
||
}
|
||
matches[1] = strings.TrimPrefix(matches[1], "公元")
|
||
// 提取年号
|
||
result.comment = matches[1]
|
||
|
||
// 转换年份
|
||
if result.comment != "" {
|
||
result.year, err = convertChineseNumber(matches[2])
|
||
if err != nil {
|
||
return result, fmt.Errorf("无效的年份: %s", matches[2])
|
||
}
|
||
} else {
|
||
// 直接转换年份
|
||
if m, _ := regexp.MatchString("\\d+", matches[2]); m {
|
||
result.year, err = strconv.Atoi(matches[2])
|
||
if err != nil {
|
||
return result, fmt.Errorf("无效的年份: %s", matches[2])
|
||
}
|
||
} else {
|
||
result.year = transfer(matches[2], true)
|
||
}
|
||
}
|
||
|
||
// 转换月份
|
||
monthStr := matches[3]
|
||
if strings.HasPrefix(monthStr, "闰") {
|
||
result.leap = true
|
||
monthStr = strings.TrimPrefix(monthStr, "闰")
|
||
}
|
||
if month, ok := chineseMonths[monthStr]; ok {
|
||
result.month = month
|
||
} else {
|
||
if m, _ := regexp.MatchString("\\d+", monthStr); m {
|
||
result.month, err = strconv.Atoi(monthStr)
|
||
} else {
|
||
// 尝试将月份字符串转换为数字
|
||
result.month, err = convertChineseNumber(monthStr)
|
||
}
|
||
if err != nil {
|
||
return result, fmt.Errorf("无效的月份: %s", monthStr)
|
||
}
|
||
}
|
||
|
||
// 转换日期
|
||
dayStr := matches[4]
|
||
//判断是否是干支日
|
||
if len(dayStr) == 6 && strings.ContainsAny(dayStr, "甲乙丙丁戊己庚辛壬癸子丑寅卯辰巳午未申酉戌亥") {
|
||
// 临时使用干支月代替
|
||
result.ganzhiMonth = dayStr
|
||
result.day = 0
|
||
return result, nil
|
||
}
|
||
if day, ok := chineseDays[dayStr]; ok {
|
||
result.day = day
|
||
} else {
|
||
if m, _ := regexp.MatchString("\\d+", dayStr); m {
|
||
result.day, err = strconv.Atoi(dayStr)
|
||
if err != nil {
|
||
return result, fmt.Errorf("无效的日期: %s", dayStr)
|
||
}
|
||
return result, nil
|
||
}
|
||
// 尝试将日期字符串转换为数字
|
||
result.day, err = convertChineseNumber(dayStr)
|
||
if err != nil {
|
||
return result, fmt.Errorf("无效的日期: %s", dayStr)
|
||
}
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
// convertChineseNumber 将中文数字转换为阿拉伯数字
|
||
func convertChineseNumber(chineseNum string) (int, error) {
|
||
if num, ok := chineseNumbers[chineseNum]; ok {
|
||
return num, nil
|
||
}
|
||
|
||
return transfer(chineseNum, false), nil
|
||
}
|
||
|
||
func number2Chinese(num int, isDirectTrans bool) string {
|
||
chs := []string{"零", "一", "二", "三", "四", "五", "六", "七", "八", "九"}
|
||
if isDirectTrans {
|
||
var res string
|
||
for i := 0; i < 4; i++ {
|
||
tmp := num / (int(math.Pow10(3 - i)))
|
||
if tmp == 0 && i == 0 {
|
||
continue
|
||
}
|
||
if tmp < 0 {
|
||
res = "负"
|
||
num = -num
|
||
}
|
||
res += chs[tmp]
|
||
num = num % (int(math.Pow10(3 - i)))
|
||
}
|
||
return res
|
||
}
|
||
if num < 0 || num > 99 {
|
||
return ""
|
||
}
|
||
if num < 10 {
|
||
return chs[num]
|
||
}
|
||
if num == 10 {
|
||
return "十"
|
||
}
|
||
if num < 20 {
|
||
return "十" + chs[num-10]
|
||
}
|
||
if num%10 == 0 {
|
||
return chs[num/10] + "十"
|
||
}
|
||
return chs[num/10] + "十" + chs[num%10]
|
||
}
|
||
|
||
func transfer(msg string, direct bool) int {
|
||
keyMap := map[rune]int{
|
||
'〇': 0, '零': 0, '一': 1, '二': 2, '三': 3, '四': 4, '五': 5, '六': 6, '七': 7, '八': 8, '九': 9, '十': 10, '百': 100, '千': 1000, '万': 10000, '亿': 100000000, '两': 2, '俩': 2,
|
||
}
|
||
result := 0
|
||
if direct {
|
||
for _, num := range []rune(msg) {
|
||
if val, match := keyMap[num]; match {
|
||
result = result*10 + val
|
||
} else {
|
||
return 0
|
||
}
|
||
}
|
||
return result
|
||
}
|
||
secCache := 0
|
||
thrCache := 0
|
||
fKWord := map[rune]int{'百': 100, '千': 1000, '万': 10000, '亿': 100000000}
|
||
for _, num := range []rune(msg) {
|
||
if _, match := fKWord[num]; !match {
|
||
if num == '十' && thrCache != 0 {
|
||
thrCache *= keyMap[num]
|
||
} else {
|
||
thrCache += keyMap[num]
|
||
}
|
||
} else {
|
||
if fKWord[num] < 10000 {
|
||
secCache += thrCache * fKWord[num]
|
||
thrCache = 0
|
||
} else {
|
||
secCache += thrCache
|
||
thrCache = 0
|
||
if secCache == 0 {
|
||
result *= fKWord[num]
|
||
continue
|
||
}
|
||
result += secCache * fKWord[num]
|
||
secCache = 0
|
||
}
|
||
}
|
||
}
|
||
|
||
result += secCache + thrCache
|
||
return result
|
||
}
|
||
|
||
// GanZhiOfYear 返回传入年份对应的干支
|
||
func GanZhiOfYear(year int) string {
|
||
return basic.GetGZ(year)
|
||
}
|
||
|
||
// GanZhiOfDay
|
||
func GanZhiOfDay(t time.Time) string {
|
||
jde := Date2JDE(time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, time.Local))
|
||
diff := int(jde - 2451550.5)
|
||
if diff >= 0 {
|
||
return tiangan[diff%10] + dizhi[diff%12]
|
||
}
|
||
return tiangan[(diff%10+10)%10] + dizhi[(diff%12+12)%12]
|
||
}
|
||
|
||
// 获取每年建寅月的天干
|
||
func tianGanIndexForFirstMonth(year int) int {
|
||
diff := (year - 1998) * 2
|
||
if diff >= 0 {
|
||
return diff % 10
|
||
}
|
||
return (diff%10 + 10) % 10
|
||
}
|
||
|
||
// commonGanZhiOfMonth 返回常规以建寅为正月时，指定农历月份的干支
|
||
func commonGanZhiOfMonth(year, month int) string {
|
||
start := tianGanIndexForFirstMonth(year)
|
||
index := (start + month - 1) % 10
|
||
return tiangan[index] + dizhi[(month+1)%12]
|
||
}
|
||
|
||
func ganZhiOfDayIndex(t time.Time) (int, int) {
|
||
jde := Date2JDE(time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, time.Local))
|
||
diff := int(jde - 2451550.5)
|
||
if diff >= 0 {
|
||
return diff % 10, diff % 12
|
||
}
|
||
return (diff%10 + 10) % 10, (diff%12 + 12) % 10
|
||
}
|