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两个主函数
1. 输出你的生日，返回你的阴历生日和阳历生日重合的年份
2. 输出年份，查问的年月，返回该月份内有哪些天的生日重合年份蕴含输出的年份
用的时候将另一个主函数正文掉就行了
一个猜测：农历的每个月的初一到二十九 生日重合的年份是雷同的
例如 2000 年的 10 月 27 号至 11 月 25 号是农历的十月初一至十月三十，其中至二十九雷同。
2001 年的 8 月 19 号至 9 月 16 号是农历的七月初一至七月二十九，雷同。
2000 年的 7 月 31 号到 8 月 28 号是农历的七月初一至七月二十九，雷同。
package main
import (
"awei/tool"
"time"
)
//func main() {
// solarDate := "2001-08-19"
// res := tool.FindYear(solarDate)
// for _, v := range res {// println(v)
// }
//}
func FindMatchingDates(year1 int, year2 int, month int) []time.Time {var matchingDates []time.Time
for day := 1; day <= 30; day++ {date := time.Date(year2, time.Month(month), day, 0, 0, 0, 0, time.Local)
years := tool.FindYear(date.Format("2006-01-02"))
if contains(years, year1) {matchingDates = append(matchingDates, date)
}
}
return matchingDates
}
func contains(slice []int, item int) bool {
for _, value := range slice {
if value == item {return true}
}
return false
}
func main() {res := FindMatchingDates(2058, 2001, 9)
for _, v := range res {println(v.Date())
}
}
工具包
package tool
import (
"fmt"
"time"
)
var (
startYear = 1900
endYear = 2100
)
type Lunar struct {
IsLeap bool // 是否闰月
LunarDay int
LunarMonth int
LunarYear int
}
type Solar struct {
SolarDay int
SolarMonth int
SolarYear int
}
func FindYear(birthday string) []int {var res []int
solar := BirthdayToSolarTime(birthday)
lunar := BirthdayToLunarTime(birthday)
for i := startYear; i <= endYear; i++ {constructedSolar := time.Date(i, solar.Month(), solar.Day(), 0, 0, 0, 0, time.Local)
constructedLunar := SolarTimeToLunarTime(constructedSolar)
if constructedLunar.Month() == lunar.Month() && constructedLunar.Day() == lunar.Day() {res = append(res, i)
}
}
return res
}
// SolarToLunar
// time.Time to time.Time
// SolarDate to LunarDate
func SolarTimeToLunarTime(solar time.Time) time.Time {
lunar := SolarToLunar(Solar{SolarDay: solar.Day(),
SolarMonth: int(solar.Month()),
SolarYear: solar.Year(),})
lunarTime := time.Date(lunar.LunarYear, time.Month(lunar.LunarMonth), lunar.LunarDay, 0, 0, 0, 0, time.Local)
return lunarTime
}
// 对用户输出的生日格式化为阳历的 time.Time
func BirthdayToSolarTime(birthday string) time.Time {parsed, err := time.Parse("2006-01-02", birthday)
if err != nil {fmt.Println("日期解析谬误:", err)
return time.Time{}}
return parsed
}
// 对用户输出的生日格式化为阴历的 time.Time
func BirthdayToLunarTime(birthday string) time.Time {parsed, err := time.Parse("2006-01-02", birthday)
if err != nil {fmt.Println("日期解析谬误:", err)
return time.Time{}}
return SolarTimeToLunarTime(parsed)
}
func BirthdayToSolar(birthday time.Time) *Solar {
return &Solar{SolarDay: birthday.Day(),
SolarMonth: int(birthday.Month()),
SolarYear: birthday.Year(),}
}
func BirthdayToLunar(birthday time.Time) *Lunar {
lunar := SolarToLunar(Solar{birthday.Day(),
int(birthday.Month()),
birthday.Year(),})
return lunar
}
/**
* 农历转公历
**/
func LunarToSolar(lunar Lunar) *Solar {var days = lunar_month_days[lunar.LunarYear-lunar_month_days[0]]
var leap = getBitInt(days, 4, 13)
var offset = 0
var loopend = leap
if !lunar.IsLeap {
if lunar.LunarMonth <= leap || leap == 0 {loopend = lunar.LunarMonth - 1} else {loopend = lunar.LunarMonth}
}
for i := 0; i < loopend; i++ {offset += getBitInt(days, 1, 12-i) + 29
}
offset += lunar.LunarDay
var solar11 = solar_1_1[lunar.LunarYear-solar_1_1[0]]
var y = getBitInt(solar11, 12, 9)
var m = getBitInt(solar11, 4, 5)
var d = getBitInt(solar11, 5, 0)
var solar = solarFromInt(solarToInt(y, m, d) + int64(offset-1))
return solar
}
/**
* 公历转农历
**/
func SolarToLunar(solar Solar) *Lunar {lunar := &Lunar{}
var index = solar.SolarYear - solar_1_1[0]
var data = (solar.SolarYear << 9) | (solar.SolarMonth << 5) | (solar.SolarDay)
var solar11 = 0
if solar_1_1[index] > data {index--}
solar11 = solar_1_1[index]
var y = getBitInt(solar11, 12, 9)
var m = getBitInt(solar11, 4, 5)
var d = getBitInt(solar11, 5, 0)
var offset int = int(solarToInt(solar.SolarYear, solar.SolarMonth, solar.SolarDay) - solarToInt(y, m, d))
var days = lunar_month_days[index]
var leap = getBitInt(days, 4, 13)
var lunarY = index + solar_1_1[0]
var lunarM = 1
var lunarD = 0
offset += 1
for i := 0; i < 13; i++ {dm := getBitInt(days, 1, 12-i) + 29
if offset > dm {
lunarM++
offset -= dm
} else {break}
}
lunarD = (int)(offset)
lunar.LunarYear = lunarY
lunar.LunarMonth = lunarM
lunar.IsLeap = false
if leap != 0 && lunarM > leap {
lunar.LunarMonth = lunarM - 1
if lunarM == leap+1 {lunar.IsLeap = true}
}
lunar.LunarDay = lunarD
return lunar
}
var (lunar_month_days = [...]int{
1887, 0x1694, 0x16aa, 0x4ad5, 0xab6, 0xc4b7, 0x4ae, 0xa56, 0xb52a,
0x1d2a, 0xd54, 0x75aa, 0x156a, 0x1096d, 0x95c, 0x14ae, 0xaa4d, 0x1a4c, 0x1b2a, 0x8d55, 0xad4, 0x135a, 0x495d,
0x95c, 0xd49b, 0x149a, 0x1a4a, 0xbaa5, 0x16a8, 0x1ad4, 0x52da, 0x12b6, 0xe937, 0x92e, 0x1496, 0xb64b, 0xd4a,
0xda8, 0x95b5, 0x56c, 0x12ae, 0x492f, 0x92e, 0xcc96, 0x1a94, 0x1d4a, 0xada9, 0xb5a, 0x56c, 0x726e, 0x125c,
0xf92d, 0x192a, 0x1a94, 0xdb4a, 0x16aa, 0xad4, 0x955b, 0x4ba, 0x125a, 0x592b, 0x152a, 0xf695, 0xd94, 0x16aa,
0xaab5, 0x9b4, 0x14b6, 0x6a57, 0xa56, 0x1152a, 0x1d2a, 0xd54, 0xd5aa, 0x156a, 0x96c, 0x94ae, 0x14ae, 0xa4c,
0x7d26, 0x1b2a, 0xeb55, 0xad4, 0x12da, 0xa95d, 0x95a, 0x149a, 0x9a4d, 0x1a4a, 0x11aa5, 0x16a8, 0x16d4,
0xd2da, 0x12b6, 0x936, 0x9497, 0x1496, 0x1564b, 0xd4a, 0xda8, 0xd5b4, 0x156c, 0x12ae, 0xa92f, 0x92e, 0xc96,
0x6d4a, 0x1d4a, 0x10d65, 0xb58, 0x156c, 0xb26d, 0x125c, 0x192c, 0x9a95, 0x1a94, 0x1b4a, 0x4b55, 0xad4,
0xf55b, 0x4ba, 0x125a, 0xb92b, 0x152a, 0x1694, 0x96aa, 0x15aa, 0x12ab5, 0x974, 0x14b6, 0xca57, 0xa56, 0x1526,
0x8e95, 0xd54, 0x15aa, 0x49b5, 0x96c, 0xd4ae, 0x149c, 0x1a4c, 0xbd26, 0x1aa6, 0xb54, 0x6d6a, 0x12da, 0x1695d,
0x95a, 0x149a, 0xda4b, 0x1a4a, 0x1aa4, 0xbb54, 0x16b4, 0xada, 0x495b, 0x936, 0xf497, 0x1496, 0x154a, 0xb6a5,
0xda4, 0x15b4, 0x6ab6, 0x126e, 0x1092f, 0x92e, 0xc96, 0xcd4a, 0x1d4a, 0xd64, 0x956c, 0x155c, 0x125c, 0x792e,
0x192c, 0xfa95, 0x1a94, 0x1b4a, 0xab55, 0xad4, 0x14da, 0x8a5d, 0xa5a, 0x1152b, 0x152a, 0x1694, 0xd6aa,
0x15aa, 0xab4, 0x94ba, 0x14b6, 0xa56, 0x7527, 0xd26, 0xee53, 0xd54, 0x15aa, 0xa9b5, 0x96c, 0x14ae, 0x8a4e,
0x1a4c, 0x11d26, 0x1aa4, 0x1b54, 0xcd6a, 0xada, 0x95c, 0x949d, 0x149a, 0x1a2a, 0x5b25, 0x1aa4, 0xfb52,
0x16b4, 0xaba, 0xa95b, 0x936, 0x1496, 0x9a4b, 0x154a, 0x136a5, 0xda4, 0x15ac,
}
solar_1_1 = [...]int{
1887, 0xec04c, 0xec23f, 0xec435, 0xec649, 0xec83e, 0xeca51, 0xecc46, 0xece3a,
0xed04d, 0xed242, 0xed436, 0xed64a, 0xed83f, 0xeda53, 0xedc48, 0xede3d, 0xee050, 0xee244, 0xee439, 0xee64d,
0xee842, 0xeea36, 0xeec4a, 0xeee3e, 0xef052, 0xef246, 0xef43a, 0xef64e, 0xef843, 0xefa37, 0xefc4b, 0xefe41,
0xf0054, 0xf0248, 0xf043c, 0xf0650, 0xf0845, 0xf0a38, 0xf0c4d, 0xf0e42, 0xf1037, 0xf124a, 0xf143e, 0xf1651,
0xf1846, 0xf1a3a, 0xf1c4e, 0xf1e44, 0xf2038, 0xf224b, 0xf243f, 0xf2653, 0xf2848, 0xf2a3b, 0xf2c4f, 0xf2e45,
0xf3039, 0xf324d, 0xf3442, 0xf3636, 0xf384a, 0xf3a3d, 0xf3c51, 0xf3e46, 0xf403b, 0xf424e, 0xf4443, 0xf4638,
0xf484c, 0xf4a3f, 0xf4c52, 0xf4e48, 0xf503c, 0xf524f, 0xf5445, 0xf5639, 0xf584d, 0xf5a42, 0xf5c35, 0xf5e49,
0xf603e, 0xf6251, 0xf6446, 0xf663b, 0xf684f, 0xf6a43, 0xf6c37, 0xf6e4b, 0xf703f, 0xf7252, 0xf7447, 0xf763c,
0xf7850, 0xf7a45, 0xf7c39, 0xf7e4d, 0xf8042, 0xf8254, 0xf8449, 0xf863d, 0xf8851, 0xf8a46, 0xf8c3b, 0xf8e4f,
0xf9044, 0xf9237, 0xf944a, 0xf963f, 0xf9853, 0xf9a47, 0xf9c3c, 0xf9e50, 0xfa045, 0xfa238, 0xfa44c, 0xfa641,
0xfa836, 0xfaa49, 0xfac3d, 0xfae52, 0xfb047, 0xfb23a, 0xfb44e, 0xfb643, 0xfb837, 0xfba4a, 0xfbc3f, 0xfbe53,
0xfc048, 0xfc23c, 0xfc450, 0xfc645, 0xfc839, 0xfca4c, 0xfcc41, 0xfce36, 0xfd04a, 0xfd23d, 0xfd451, 0xfd646,
0xfd83a, 0xfda4d, 0xfdc43, 0xfde37, 0xfe04b, 0xfe23f, 0xfe453, 0xfe648, 0xfe83c, 0xfea4f, 0xfec44, 0xfee38,
0xff04c, 0xff241, 0xff436, 0xff64a, 0xff83e, 0xffa51, 0xffc46, 0xffe3a, 0x10004e, 0x100242, 0x100437,
0x10064b, 0x100841, 0x100a53, 0x100c48, 0x100e3c, 0x10104f, 0x101244, 0x101438, 0x10164c, 0x101842, 0x101a35,
0x101c49, 0x101e3d, 0x102051, 0x102245, 0x10243a, 0x10264e, 0x102843, 0x102a37, 0x102c4b, 0x102e3f, 0x103053,
0x103247, 0x10343b, 0x10364f, 0x103845, 0x103a38, 0x103c4c, 0x103e42, 0x104036, 0x104249, 0x10443d, 0x104651,
0x104846, 0x104a3a, 0x104c4e, 0x104e43, 0x105038, 0x10524a, 0x10543e, 0x105652, 0x105847, 0x105a3b, 0x105c4f,
0x105e45, 0x106039, 0x10624c, 0x106441, 0x106635, 0x106849, 0x106a3d, 0x106c51, 0x106e47, 0x10703c, 0x10724f,
0x107444, 0x107638, 0x10784c, 0x107a3f, 0x107c53, 0x107e48,
}
)
func getBitInt(data int, length int, shift int) int {return (data & (((1 << uint32(length)) - 1) << uint32(shift))) >> uint32(shift)
}
// WARNING: Dates before Oct. 1582 are inaccurate
func solarToInt(y int, m int, d int) int64 {m = (m + 9) % 12
y = y - m/10
return int64(365*y + y/4 - y/100 + y/400 + (m*306+5)/10 + (d - 1))
}
func solarFromInt(g int64) *Solar {var y = (10000*g + 14780) / 3652425
var ddd = g - (365*y + y/4 - y/100 + y/400)
if ddd < 0 {
y--
ddd = g - (365*y + y/4 - y/100 + y/400)
}
var mi = (100*ddd + 52) / 3060
var mm = (mi+2)%12 + 1
y = y + (mi+2)/12
dd := ddd - (mi*306+5)/10 + 1
var solar = &Solar{}
solar.SolarYear = int(y)
solar.SolarMonth = int(mm)
solar.SolarDay = int(dd)
return solar
}
参考：https://gitee.com/liuzewen/Lunar-Solar-Calendar-Converter
正文完
