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244 lines
7.1 KiB
244 lines
7.1 KiB
// @Package carbon
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// @Description a simple, semantic and developer-friendly golang package for datetime
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// @Page github.com/golang-module/carbon
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// @Version v1.5.5
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// @Author gouguoyin
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// @Blog www.gouguoyin.cn
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// @Email contact@gouguoyin.cn
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// Package carbon is a simple, semantic and developer-friendly golang package for datetime.
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package carbon
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import (
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"time"
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)
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// timezones constant
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// 时区常量
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const (
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Local = "Local"
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CET = "CET"
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EET = "EET"
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EST = "EST"
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GMT = "GMT"
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UTC = "UTC"
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UCT = "UCT"
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MST = "MST"
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Cuba = "Cuba" // 古巴
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Egypt = "Egypt" // 埃及
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Eire = "Eire" // 爱尔兰
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Greenwich = "Greenwich" // 格林尼治
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Iceland = "Iceland" // 冰岛
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Iran = "Iran" // 伊朗
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Israel = "Israel" // 以色列
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Jamaica = "Jamaica" // 牙买加
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Japan = "Japan" // 日本
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Libya = "Libya" // 利比亚
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Poland = "Poland" // 波兰
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Portugal = "Portugal" // 葡萄牙
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PRC = "PRC" // 中国
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Singapore = "Singapore" // 新加坡
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Turkey = "Turkey" // 土耳其
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Shanghai = "Asia/Shanghai" // 上海
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Chongqing = "Asia/Chongqing" // 重庆
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Harbin = "Asia/Harbin" // 哈尔滨
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HongKong = "Asia/Hong_Kong" // 香港
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Macao = "Asia/Macao" // 澳门
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Taipei = "Asia/Taipei" // 台北
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Tokyo = "Asia/Tokyo" // 东京
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Saigon = "Asia/Saigon" // 西贡
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Seoul = "Asia/Seoul" // 首尔
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Bangkok = "Asia/Bangkok" // 曼谷
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Dubai = "Asia/Dubai" // 迪拜
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NewYork = "America/New_York" // 纽约
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LosAngeles = "America/Los_Angeles" // 洛杉矶
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Chicago = "America/Chicago" // 芝加哥
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Moscow = "Europe/Moscow" // 莫斯科
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London = "Europe/London" // 伦敦
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Berlin = "Europe/Berlin" // 柏林
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Paris = "Europe/Paris" // 巴黎
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Rome = "Europe/Rome" // 罗马
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)
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// months constant
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// 月份常量
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const (
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January = "January" // 一月
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February = "February" // 二月
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March = "March" // 三月
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April = "April" // 四月
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May = "May" // 五月
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June = "June" // 六月
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July = "July" // 七月
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August = "August" // 八月
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September = "September" // 九月
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October = "October" // 十月
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November = "November" // 十一月
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December = "December" // 十二月
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)
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// weeks constant
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// 星期常量
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const (
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Monday = "Monday" // 周一
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Tuesday = "Tuesday" // 周二
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Wednesday = "Wednesday" // 周三
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Thursday = "Thursday" // 周四
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Friday = "Friday" // 周五
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Saturday = "Saturday" // 周六
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Sunday = "Sunday" // 周日
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)
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// numbers constant
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// 数字常量
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const (
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YearsPerMillennium = 1000 // 每千年1000年
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YearsPerCentury = 100 // 每世纪100年
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YearsPerDecade = 10 // 每十年10年
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QuartersPerYear = 4 // 每年4季度
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MonthsPerYear = 12 // 每年12月
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MonthsPerQuarter = 3 // 每季度3月
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WeeksPerNormalYear = 52 // 每常规年52周
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weeksPerLongYear = 53 // 每长年53周
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WeeksPerMonth = 4 // 每月4周
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DaysPerLeapYear = 366 // 每闰年366天
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DaysPerNormalYear = 365 // 每常规年365天
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DaysPerWeek = 7 // 每周7天
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HoursPerWeek = 168 // 每周168小时
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HoursPerDay = 24 // 每天24小时
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MinutesPerDay = 1440 // 每天1440分钟
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MinutesPerHour = 60 // 每小时60分钟
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SecondsPerWeek = 604800 // 每周604800秒
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SecondsPerDay = 86400 // 每天86400秒
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SecondsPerHour = 3600 // 每小时3600秒
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SecondsPerMinute = 60 // 每分钟60秒
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MillisecondsPerSecond = 1000 // 每秒1000毫秒
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MicrosecondsPerMillisecond = 1000 // 每毫秒1000微秒
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MicrosecondsPerSecond = 1000000 // 每秒1000000微秒
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)
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// formats constant
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// 时间格式化常量
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const (
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AnsicFormat = time.ANSIC
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UnixDateFormat = time.UnixDate
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RubyDateFormat = time.RubyDate
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RFC822Format = time.RFC822
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RFC822ZFormat = time.RFC822Z
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RFC850Format = time.RFC850
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RFC1123Format = time.RFC1123
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RFC1123ZFormat = time.RFC1123Z
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RssFormat = time.RFC1123Z
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RFC2822Format = time.RFC1123Z
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RFC3339Format = time.RFC3339
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KitchenFormat = time.Kitchen
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Iso8601Format = "2006-01-02T15:04:05-07:00"
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CookieFormat = "Monday, 02-Jan-2006 15:04:05 MST"
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RFC1036Format = "Mon, 02 Jan 06 15:04:05 -0700"
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RFC7231Format = "Mon, 02 Jan 2006 15:04:05 GMT"
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DayDateTimeFormat = "Mon, Jan 2, 2006 3:04 PM"
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DateTimeFormat = "2006-01-02 15:04:05"
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DateFormat = "2006-01-02"
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TimeFormat = "15:04:05"
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ShortDateTimeFormat = "20060102150405"
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ShortDateFormat = "20060102"
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ShortTimeFormat = "150405"
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)
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// Carbon defines a Carbon struct.
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// 定义 Carbon 结构体
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type Carbon struct {
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Time time.Time
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weekStartsAt time.Weekday
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loc *time.Location
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lang *Language
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Error error
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}
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// NewCarbon returns a new Carbon instance.
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// 初始化 Carbon 结构体
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func NewCarbon() Carbon {
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return Carbon{weekStartsAt: time.Sunday, loc: time.Local, lang: NewLanguage()}
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}
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// Time2Carbon converts time.Time to Carbon.
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// 将 time.Time 转换成 Carbon
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func Time2Carbon(tt time.Time) Carbon {
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c := NewCarbon()
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c.Time = tt
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return c
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}
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// Carbon2Time converts Carbon to time.Time.
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// 将 Carbon 转换成 time.Time
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func (c Carbon) Carbon2Time() time.Time {
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return c.Time.In(c.loc)
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}
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// Now returns a Carbon instance for now.
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// 当前
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func (c Carbon) Now(timezone ...string) Carbon {
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if len(timezone) > 0 {
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c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
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}
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if c.Error != nil {
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return c
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}
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c.Time = time.Now().In(c.loc)
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return c
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}
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// Now returns a Carbon instance for now.
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// 当前
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func Now(timezone ...string) Carbon {
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return NewCarbon().Now(timezone...)
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}
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// Tomorrow returns a Carbon instance for tomorrow.
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// 明天
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func (c Carbon) Tomorrow(timezone ...string) Carbon {
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if len(timezone) > 0 {
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c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
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}
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if c.Error != nil {
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return c
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}
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if c.IsZero() {
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c.Time = time.Now().In(c.loc).AddDate(0, 0, 1)
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} else {
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c.Time = c.Time.In(c.loc).AddDate(0, 0, 1)
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}
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return c
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}
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// Tomorrow returns a Carbon instance for tomorrow.
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// 明天
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func Tomorrow(timezone ...string) Carbon {
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return NewCarbon().Tomorrow(timezone...)
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}
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// Yesterday returns a Carbon instance for yesterday.
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// 昨天
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func (c Carbon) Yesterday(timezone ...string) Carbon {
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if len(timezone) > 0 {
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c.loc, c.Error = getLocationByTimezone(timezone[len(timezone)-1])
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}
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if c.Error != nil {
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return c
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}
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if c.IsZero() {
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c.Time = time.Now().In(c.loc).AddDate(0, 0, -1)
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} else {
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c.Time = c.Time.In(c.loc).AddDate(0, 0, -1)
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}
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return c
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}
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// Yesterday returns a Carbon instance for yesterday.
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// 昨天
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func Yesterday(timezone ...string) Carbon {
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return NewCarbon().Yesterday(timezone...)
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}
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