mirror of
https://gitee.com/dromara/carbon.git
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275 lines
9.1 KiB
Go
275 lines
9.1 KiB
Go
// @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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// @Developer 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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// Version current version
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// 当前版本号
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const Version = "2.3.8"
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// timezone constants
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// 时区常量
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const (
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Local = "Local" // 本地时间
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UTC = "UTC" // 世界协调时间
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GMT = "GMT" // 格林尼治标准时间
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CST = "CST" // 中国标准时间
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EET = "EET" // 欧洲东部标准时间
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WET = "WET" // 欧洲西部标准时间
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CET = "CET" // 欧洲中部标准时间
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EST = "EST" // 美国东部标准时间
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MST = "MST" // 美国山地标准时间
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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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Urumqi = "Asia/Urumqi" // 乌鲁木齐
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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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HoChiMinh = "Asia/Ho_Chi_Minh" // 胡志明
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Hanoi = "Asia/Hanoi" // 河内
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Saigon = "Asia/Saigon" // 西贡
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Seoul = "Asia/Seoul" // 首尔
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Pyongyang = "Asia/Pyongyang" // 平壤
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Bangkok = "Asia/Bangkok" // 曼谷
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Dubai = "Asia/Dubai" // 迪拜
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Qatar = "Asia/Qatar" // 卡塔尔
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Bangalore = "Asia/Bangalore" // 班加罗尔
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Kolkata = "Asia/Kolkata" // 加尔各答
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Mumbai = "Asia/Mumbai" // 孟买
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MexicoCity = "America/Mexico_City" // 墨西哥
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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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SaoPaulo = "America/Sao_Paulo" // 圣保罗
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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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Sydney = "Australia/Sydney" // 悉尼
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Melbourne = "Australia/Melbourne" // 墨尔本
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Darwin = "Australia/Darwin" // 达尔文
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)
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// month constants
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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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// week constants
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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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// number constants
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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个季度
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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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)
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// layout constants
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// 布局模板常量
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const (
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AtomLayout = RFC3339Layout
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ANSICLayout = time.ANSIC
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CookieLayout = "Monday, 02-Jan-2006 15:04:05 MST"
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KitchenLayout = time.Kitchen
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RssLayout = time.RFC1123Z
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RubyDateLayout = time.RubyDate
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UnixDateLayout = time.UnixDate
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W3cLayout = RFC3339Layout
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RFC1036Layout = "Mon, 02 Jan 06 15:04:05 -0700"
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RFC1123Layout = time.RFC1123
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RFC1123ZLayout = time.RFC1123Z
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RFC2822Layout = time.RFC1123Z
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RFC3339Layout = "2006-01-02T15:04:05Z07:00"
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RFC3339MilliLayout = "2006-01-02T15:04:05.999Z07:00"
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RFC3339MicroLayout = "2006-01-02T15:04:05.999999Z07:00"
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RFC3339NanoLayout = "2006-01-02T15:04:05.999999999Z07:00"
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RFC7231Layout = "Mon, 02 Jan 2006 15:04:05 MST"
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RFC822Layout = time.RFC822
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RFC822ZLayout = time.RFC822Z
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RFC850Layout = time.RFC850
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ISO8601Layout = "2006-01-02T15:04:05-07:00"
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ISO8601MilliLayout = "2006-01-02T15:04:05.999-07:00"
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ISO8601MicroLayout = "2006-01-02T15:04:05.999999-07:00"
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ISO8601NanoLayout = "2006-01-02T15:04:05.999999999-07:00"
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DayDateTimeLayout = "Mon, Jan 2, 2006 3:04 PM"
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DateTimeLayout = "2006-01-02 15:04:05"
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DateTimeMilliLayout = "2006-01-02 15:04:05.999"
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DateTimeMicroLayout = "2006-01-02 15:04:05.999999"
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DateTimeNanoLayout = "2006-01-02 15:04:05.999999999"
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ShortDateTimeLayout = "20060102150405"
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ShortDateTimeMilliLayout = "20060102150405.999"
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ShortDateTimeMicroLayout = "20060102150405.999999"
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ShortDateTimeNanoLayout = "20060102150405.999999999"
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DateLayout = "2006-01-02"
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DateMilliLayout = "2006-01-02.999"
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DateMicroLayout = "2006-01-02.999999"
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DateNanoLayout = "2006-01-02.999999999"
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ShortDateLayout = "20060102"
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ShortDateMilliLayout = "20060102.999"
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ShortDateMicroLayout = "20060102.999999"
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ShortDateNanoLayout = "20060102.999999999"
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TimeLayout = "15:04:05"
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TimeMilliLayout = "15:04:05.999"
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TimeMicroLayout = "15:04:05.999999"
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TimeNanoLayout = "15:04:05.999999999"
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ShortTimeLayout = "150405"
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ShortTimeMilliLayout = "150405.999"
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ShortTimeMicroLayout = "150405.999999"
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ShortTimeNanoLayout = "150405.999999999"
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)
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// format constants
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// 格式模板常量
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const (
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AtomFormat = "Y-m-d\\TH:i:sP"
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ANSICFormat = "D M j H:i:s Y"
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CookieFormat = "l, d-M-Y H:i:s T"
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KitchenFormat = "g:iA"
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RssFormat = "D, d M Y H:i:s O"
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RubyDateFormat = "D M d H:i:s O Y"
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UnixDateFormat = "D M j H:i:s T Y"
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RFC1036Format = "D, d M y H:i:s O"
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RFC1123Format = "D, d M Y H:i:s T"
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RFC1123ZFormat = "D, d M Y H:i:s O"
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RFC2822Format = "D, d M Y H:i:s O"
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RFC3339Format = "Y-m-d\\TH:i:sP"
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RFC3339MilliFormat = "Y-m-d\\TH:i:s.vP"
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RFC3339MicroFormat = "Y-m-d\\TH:i:s.uP"
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RFC3339NanoFormat = "Y-m-d\\TH:i:s.xP"
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RFC7231Format = "D, d M Y H:i:s T"
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RFC822Format = "d M y H:i T"
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RFC822ZFormat = "d M y H:i O"
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RFC850Format = "l, d-M-y H:i:s T"
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ISO8601Format = "Y-m-d\\TH:i:sP"
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ISO8601MilliFormat = "Y-m-d\\TH:i:s.vP"
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ISO8601MicroFormat = "Y-m-d\\TH:i:s.uP"
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ISO8601NanoFormat = "Y-m-d\\TH:i:s.xP"
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DayDateTimeFormat = "D, M j, Y g:i A"
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DateTimeFormat = "Y-m-d H:i:s"
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DateTimeMilliFormat = "Y-m-d H:i:s.v"
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DateTimeMicroFormat = "Y-m-d H:i:s.u"
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DateTimeNanoFormat = "Y-m-d H:i:s.x"
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ShortDateTimeFormat = "YmdHis"
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ShortDateTimeMilliFormat = "YmdHis.v"
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ShortDateTimeMicroFormat = "YmdHis.u"
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ShortDateTimeNanoFormat = "YmdHis.x"
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DateFormat = "Y-m-d"
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DateMilliFormat = "Y-m-d.v"
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DateMicroFormat = "Y-m-d.u"
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DateNanoFormat = "Y-m-d.x"
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ShortDateFormat = "Ymd"
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ShortDateMilliFormat = "Ymd.v"
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ShortDateMicroFormat = "Ymd.u"
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ShortDateNanoFormat = "Ymd.x"
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TimeFormat = "H:i:s"
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TimeMilliFormat = "H:i:s.v"
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TimeMicroFormat = "H:i:s.u"
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TimeNanoFormat = "H:i:s.x"
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ShortTimeFormat = "His"
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ShortTimeMilliFormat = "His.v"
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ShortTimeMicroFormat = "His.u"
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ShortTimeNanoFormat = "His.x"
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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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testNow int64 // nanosecond timestamp of test now time
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weekStartsAt time.Weekday
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tag *tag
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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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c := Carbon{lang: NewLanguage()}
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c.loc, c.Error = getLocationByTimezone(defaultTimezone)
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if weekday, ok := weekdays[defaultWeekStartsAt]; ok {
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c.weekStartsAt = weekday
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}
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return c
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}
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