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在项目中需要根据生日计算下一个生日的天数，记录一下实现的过程，实现的方法1.如果是公历生日麻将桌，计算生日与现在日期之间的时间戳，如果是正数把时间戳转成天数即可，如果是负数则生日的年份+1再跟现在的日期进行计算2.如果是农历则转换成公历再进行1的计算BaseCalendar.kt 包含农历转公历，生日计算package top.yokey.frame.base
import top.yokey.frame.util.TimeUtil
import java.text.SimpleDateFormat
@SuppressWarnings("ALL")
object BaseCalendar {
private val LUNAR_MONTH_DAYS = intArrayOf(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)
private val SOLAR_11 = intArrayOf(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)
private fun getBitInt(data: Int, length: Int, shift: Int): Int {
return data and ((1 shl length) - 1 shl shift) shr shift
}
private fun solar2Int(y: Int, m: Int, d: Int): Long {
var year = y
var month = m
month = (month + 9) % 12
year -= month / 10
return (365 * year + year / 4 - year / 100 + year / 400 + (month * 306 + 5) / 10 + (d - 1)).toLong()
}
private fun solarFromInt(g: Long): 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)
}
val mi = (100 * ddd + 52) / 3060
val mm = (mi + 2) % 12 + 1
y += (mi + 2) / 12
val dd = ddd - (mi * 306 + 5) / 10 + 1
val solar = Solar()
solar.year = y.toInt()
solar.month = mm.toInt()
solar.day = dd.toInt()
return solar
}
fun lunar2Solar(lunar: Lunar): Solar {
val days = LUNAR_MONTH_DAYS[lunar.year - LUNAR_MONTH_DAYS[0]]
val leap = getBitInt(days, 4, 13)
var loop = leap
if (!lunar.isLeap) {
loop = if (lunar.month <= leap || leap == 0) {
lunar.month - 1
} else {
lunar.month
}
}
var offset = (0 until loop).sumBy { if (getBitInt(days, 1, 12 - it) == 1) 30 else 29 }
offset += lunar.day
val solar11 = SOLAR_11[lunar.year - SOLAR_11[0]]
val y = getBitInt(solar11, 12, 9)
val m = getBitInt(solar11, 4, 5)
val d = getBitInt(solar11, 5, 0)
return solarFromInt(solar2Int(y, m, d) + offset - 1)
}
fun getBirthday(type: Int, month: Int, day: Int): Int {
val nowYear = TimeUtil.year.toInt()
val now = TimeUtil.date + " 00:00:00"
val simpleDataFormat = SimpleDateFormat("yyyy-MM-dd HH:mm:ss")
val nowStamp = simpleDataFormat.parse(now).time
var birthday = ""
var birthdayStamp = 0L
if (type == 1) {
birthday = "$nowYear-$month-$day 00:00:00"
birthdayStamp = simpleDataFormat.parse(birthday).time
if (birthdayStamp < nowStamp) {
birthday = (nowYear + 1).toString() + "-$month-$day 00:00:00"
birthdayStamp = simpleDataFormat.parse(birthday).time
}
} else {
var lunar = Lunar()
lunar.year = nowYear
lunar.month = month
lunar.day = day
var solar = lunar2Solar(lunar)
birthday = "${solar.year}-${solar.month}-${solar.day} 00:00:00"
birthdayStamp = simpleDataFormat.parse(birthday).time
if (birthdayStamp < nowStamp) {
lunar = Lunar()
lunar.year = nowYear + 1
lunar.month = month
lunar.day = day
solar = lunar2Solar(lunar)
birthday = "${solar.year}-${solar.month}-${solar.day} 00:00:00"
birthdayStamp = simpleDataFormat.parse(birthday).time
}
}
return ((birthdayStamp - nowStamp) / (1000 * 3600 * 24)).toInt()
}
}
class Lunar {
var day: Int = 0
var year: Int = 0
var month: Int = 0
var festival: String = ""
var isLeap: Boolean = false
var isFestival: Boolean = false
fun getChinaDayString(day: Int): String {
val chineseTen = arrayOf("初", "十", "廿", "卅")
val chineseNumber = arrayOf("一", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二")
val n = if (day % 10 == 0) 9 else day % 10 - 1
if (day > 30)
return ""
return if (day == 10) {
"初十"
} else {
chineseTen[day / 10] + chineseNumber[n]
}
}
}
class Solar {
var day: Int = 0
var year: Int = 0
var month: Int = 0
var term: String = ""
var festival: String = ""
var isFestival: Boolean = false
}
TimeUtil.kt 时间相关package top.yokey.frame.util
import android.text.format.Time
@SuppressWarnings("ALL")
object TimeUtil {
private val localTime = Time("Asia/Hong_Kong")
val all: String
get() {
localTime.setToNow()
return localTime.format("%Y-%m-%d %H:%M:%S")
}
val noChar: String
get() {
localTime.setToNow()
return localTime.format("%Y%m%d%H%M%S")
}
val date: String
get() {
localTime.setToNow()
return localTime.format("%Y-%m-%d")
}
val time: String
get() {
localTime.setToNow()
return localTime.format("%H:%M:%S")
}
val year: String
get() {
localTime.setToNow()
return localTime.format("%Y")
}
val month: String
get() {
localTime.setToNow()
return localTime.format("%m")
}
val day: String
get() {
localTime.setToNow()
return localTime.format("%d")
}
val hour: String
get() {
localTime.setToNow()
return localTime.format("%H")
}
val minute: String
get() {
localTime.setToNow()
return localTime.format("%M")
}
val seconds: String
get() {
localTime.setToNow()
return localTime.format("%S")
}
}
用法，类型 1 公历 2 农历val birthday = BaseCalendar.getBirthday(类型, 生日月份,生日日期)测试&结果BaseLogger.show("今天的日期（ 公历）：" + TimeUtil.date)
BaseLogger.show("距离公历11月10日生日的天数：" + BaseCalendar.getBirthday(1, 11, 10).toString())
BaseLogger.show("距离公历11月11日生日的天数：" + BaseCalendar.getBirthday(1, 11, 11).toString())
BaseLogger.show("距离公历11月12日生日的天数：" + BaseCalendar.getBirthday(1, 11, 12).toString())
BaseLogger.show("距离农历11月10日生日的天数：" + BaseCalendar.getBirthday(2, 11, 10).toString())
BaseLogger.show("距离农历11月11日生日的天数：" + BaseCalendar.getBirthday(2, 11, 11).toString())
BaseLogger.show("距离农历11月12日生日的天数：" + BaseCalendar.getBirthday(2, 11, 12).toString())
11-11 12:03:26.627 13481-13481/top.yokey.frame I/frame: frame：今天的日期（ 公历）：2017-11-11
11-11 12:03:26.628 13481-13481/top.yokey.frame I/frame: frame：距离公历11月10日生日的天数：364
11-11 12:03:26.628 13481-13481/top.yokey.frame I/frame: frame：距离公历11月11日生日的天数：0
11-11 12:03:26.628 13481-13481/top.yokey.frame I/frame: frame：距离公历11月12日生日的天数：1
11-11 12:03:26.629 13481-13481/top.yokey.frame I/frame: frame：距离农历11月10日生日的天数：46
11-11 12:03:26.629 13481-13481/top.yokey.frame I/frame: frame：距离农历11月11日生日的天数：47
11-11 12:03:26.629 13481-13481/top.yokey.frame I/frame: frame：距离农历11月12日生日的天数：48
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