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carbon

Go 语言简洁高效的时间处理库

CarbonGo时间处理日期解析时区转换Github开源项目

Carbon 是一个 Go 语言时间处理库，提供简单语义化的 API。它支持时间创建、解析、格式化、操作、时区转换和比较等功能。Carbon 已被 awesome-go 收录，能有效简化时间相关操作，适合各类 Go 项目使用。

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Carbon

Carbon Release Go Test Go Report Card Go Coverage Goproxy.cn Carbon Doc License

English | 简体中文 | 日本語

Introduction

A simple, semantic and developer-friendly golang package for time, has been included by awesome-go

github.com/golang-module/carbon

gitee.com/golang-module/carbon

Installation

Go version >= 1.16 (recommend)
// By github
go get -u github.com/golang-module/carbon/v2

import "github.com/golang-module/carbon/v2"

// By gitee
go get -u gitee.com/golang-module/carbon/v2

import "gitee.com/golang-module/carbon/v2"
Go version < 1.16 (must)
// By github
go get -u github.com/golang-module/carbon

import "github.com/golang-module/carbon"

// By gitee
go get -u gitee.com/golang-module/carbon

import "gitee.com/golang-module/carbon"

Please refer to FAQ for the difference between v1 and v2, v1 is no longer updated, only maintained.

Usage and example

Assuming the current time is 2020-08-05 13:14:15.999999999 +0800 CST

Set globally default values
carbon.SetDefault(carbon.Default{
  Layout: carbon.DateTimeLayout,
  Timezone: carbon.Local,
  WeekStartsAt: carbon.Sunday,
  Locale: "en",
})

Suggest setting in the entry file such as main.go

Convert between Carbon and time.Time
// Convert standard Time.time to Carbon
carbon.CreateFromStdTime(time.Now())
// Convert Carbon to standard Time.time
carbon.Now().StdTime()
Yesterday, today and tomorrow
// Return datetime of today
fmt.Printf("%s", carbon.Now()) // 2020-08-05 13:14:15
carbon.Now().String() // 2020-08-05 13:14:15
carbon.Now().ToString() // 2020-08-05 13:14:15 +0800 CST
carbon.Now().ToDateTimeString() // 2020-08-05 13:14:15
// Return date of today
carbon.Now().ToDateString() // 2020-08-05
// Return time of today
carbon.Now().ToTimeString() // 13:14:15
// Return datetime of today in a given timezone
carbon.Now(Carbon.NewYork).ToDateTimeString() // 2020-08-05 14:14:15
// Return timestamp with second of today
carbon.Now().Timestamp() // 1596604455
// Return timestamp with millisecond of today
carbon.Now().TimestampMilli() // 1596604455999
// Return timestamp with microsecond of today
carbon.Now().TimestampMicro() // 1596604455999999
// Return timestamp with nanosecond of today
carbon.Now().TimestampNano() // 1596604455999999999

// Return datetime of yesterday
fmt.Printf("%s", carbon.Yesterday()) // 2020-08-04 13:14:15
carbon.Yesterday().String() // 2020-08-04 13:14:15
carbon.Yesterday().ToString() // 2020-08-04 13:14:15 +0800 CST
carbon.Yesterday().ToDateTimeString() // 2020-08-04 13:14:15
// Return date of yesterday
carbon.Yesterday().ToDateString() // 2020-08-04
// Return time of yesterday
carbon.Yesterday().ToTimeString() // 13:14:15
// Return datetime of yesterday on a given day
carbon.Parse("2021-01-28 13:14:15").Yesterday().ToDateTimeString() // 2021-01-27 13:14:15
// Return datetime of yesterday in a given timezone
carbon.Yesterday(Carbon.NewYork).ToDateTimeString() // 2020-08-04 14:14:15
// Return timestamp with second of yesterday
carbon.Yesterday().Timestamp() // 1596518055
// Return timestamp with millisecond of yesterday
carbon.Yesterday().TimestampMilli() // 1596518055999
// Return timestamp with microsecond of yesterday
carbon.Yesterday().TimestampMicro() // 1596518055999999
// Return timestamp with nanosecond of yesterday
carbon.Yesterday().TimestampNano() // 1596518055999999999

// Return datetime of tomorrow
fmt.Printf("%s", carbon.Tomorrow()) // 2020-08-06 13:14:15
carbon.Tomorrow().String() // 2020-08-06 13:14:15
carbon.Tomorrow().ToString() // 2020-08-06 13:14:15 +0800 CST
carbon.Tomorrow().ToDateTimeString() // 2020-08-06 13:14:15
// Return date of tomorrow
carbon.Tomorrow().ToDateString() // 2020-08-06
// Return time of tomorrow
carbon.Tomorrow().ToTimeString() // 13:14:15
// Return datetime of tomorrow on a given day
carbon.Parse("2021-01-28 13:14:15").Tomorrow().ToDateTimeString() // 2021-01-29 13:14:15
// Return datetime of tomorrow in a given timezone
carbon.Tomorrow(Carbon.NewYork).ToDateTimeString() // 2020-08-06 14:14:15
// Return timestamp with second of tomorrow
carbon.Tomorrow().Timestamp() // 1596690855
// Return timestamp with millisecond of tomorrow
carbon.Tomorrow().TimestampMilli() // 1596690855999
// Return timestamp with microsecond of tomorrow
carbon.Tomorrow().TimestampMicro() // 1596690855999999
// Return timestamp with nanosecond of tomorrow
carbon.Tomorrow().TimestampNano() // 1596690855999999999
Create a Carbon instance
// Create a Carbon instance from a given timestamp with second
carbon.CreateFromTimestamp(-1).ToString() // 1970-01-01 07:59:59 +0800 CST
carbon.CreateFromTimestamp(0).ToString() // 1970-01-01 08:00:00 +0800 CST
carbon.CreateFromTimestamp(1).ToString() // 1970-01-01 08:00:01 +0800 CST
carbon.CreateFromTimestamp(1649735755).ToString() // 2022-04-12 11:55:55 +0800 CST
// Create a Carbon instance from a given timestamp with millisecond
carbon.CreateFromTimestampMilli(1649735755981).ToString() // 2022-04-12 11:55:55.981 +0800 CST
// Create a Carbon instance from a given timestamp with microsecond
carbon.CreateFromTimestampMicro(1649735755981566).ToString() // 2022-04-12 11:55:55.981566 +0800 CST
// Create a Carbon instance from a given timestamp with nanosecond
carbon.CreateFromTimestampNano(1649735755981566000).ToString() // 2022-04-12 11:55:55.981566 +0800 CST

// Create a Carbon instance from a given date and time
carbon.CreateFromDateTime(2020, 8, 5, 13, 14, 15).ToString() // 2020-08-05 13:14:15 +0800 CST
// Create a Carbon instance from a given date and time with millisecond
carbon.CreateFromDateTimeMilli(2020, 8, 5, 13, 14, 15, 999).ToString() // 2020-08-05 13:14:15.999 +0800 CST
// Create a Carbon instance from a given date and time with microsecond
carbon.CreateFromDateTimeMicro(2020, 8, 5, 13, 14, 15, 999999).ToString() // 2020-08-05 13:14:15.999999 +0800 CST
// Create a Carbon instance from a given date and time with nanosecond
carbon.CreateFromDateTimeNano(2020, 8, 5, 13, 14, 15, 999999999).ToString() // 2020-08-05 13:14:15.999999999 +0800 CST

// Create a Carbon instance from a given year, month and day
carbon.CreateFromDate(2020, 8, 5).ToString() // 2020-08-05 00:00:00 +0800 CST
// Create a Carbon instance from a given year, month and day with millisecond
carbon.CreateFromDateMilli(2020, 8, 5, 999).ToString() // 2020-08-05 00:00:00.999 +0800 CST
// Create a Carbon instance from a given year, month and day with microsecond
carbon.CreateFromDateMicro(2020, 8, 5, 999999).ToString() // 2020-08-05 00:00:00.999999 +0800 CST
// Create a Carbon instance from a given year, month and day with nanosecond
carbon.CreateFromDateNano(2020, 8, 5, 999999999).ToString() // 2020-08-05 00:00:00.999999999 +0800 CST

// Create a Carbon instance from a given hour, minute and second
carbon.CreateFromTime(13, 14, 15).ToString() // 2020-08-05 13:14:15 +0800 CST
// Create a Carbon instance from a given hour, minute and second with millisecond
carbon.CreateFromTimeMilli(13, 14, 15, 999).ToString() // 2020-08-05 13:14:15.999 +0800 CST
// Create a Carbon instance from a given hour, minute and second with microsecond
carbon.CreateFromTimeMicro(13, 14, 15, 999999).ToString() // 2020-08-05 13:14:15.999999 +0800 CST
// Create a Carbon instance from a given hour, minute and second with nanosecond
carbon.CreateFromTimeNano(13, 14, 15, 999999999).ToString() // 2020-08-05 13:14:15.999999999 +0800 CST
Parse a time string as a Carbon instance
carbon.Parse("").ToDateTimeString() // empty string
carbon.Parse("0").ToDateTimeString() // empty string
carbon.Parse("00:00:00").ToDateTimeString() // empty string
carbon.Parse("0000-00-00").ToDateTimeString() // empty string
carbon.Parse("0000-00-00 00:00:00").ToDateTimeString() // empty string

carbon.Parse("now").ToString() // 2020-08-05 13:14:15 +0800 CST
carbon.Parse("yesterday").ToString() // 2020-08-04 13:14:15 +0800 CST
carbon.Parse("tomorrow").ToString() // 2020-08-06 13:14:15 +0800 CST

carbon.Parse("2020").ToString() // 2020-01-01 00:00:00 +0800 CST
carbon.Parse("2020-8").ToString() // 2020-08-01 00:00:00 +0800 CST
carbon.Parse("2020-08").ToString() // 2020-08-01 00:00:00 +0800 CST
carbon.Parse("2020-8-5").ToString() // 2020-08-05 00:00:00 +0800 CST
carbon.Parse("2020-8-05").ToString() // 2020-08-05 00:00:00 +0800 CST
carbon.Parse("2020-08-05").ToString() // 2020-08-05 00:00:00 +0800 CST
carbon.Parse("2020-08-05.999").ToString() // 2020-08-05 00:00:00.999 +0800 CST
carbon.Parse("2020-08-05.999999").ToString() // 2020-08-05 00:00:00.999999 +0800 CST
carbon.Parse("2020-08-05.999999999").ToString() // 2020-08-05 00:00:00.999999999 +0800 CST

carbon.Parse("2020-8-5 13:14:15").ToString() // 2020-08-05 13:14:15 +0800 CST
carbon.Parse("2020-8-05 13:14:15").ToString() // 2020-08-05 13:14:15 +0800 CST
carbon.Parse("2020-08-5 13:14:15").ToString() // 2020-08-05 13:14:15 +0800 CST
carbon.Parse("2020-08-05 13:14:15").ToString() // 2020-08-05 13:14:15 +0800 CST
carbon.Parse("2020-08-05 13:14:15.999").ToString() // 2020-08-05 13:14:15.999 +0800 CST
carbon.Parse("2020-08-05 13:14:15.999999").ToString() // 2020-08-05 13:14:15.999999 +0800 CST
carbon.Parse("2020-08-05 13:14:15.999999999").ToString() // 2020-08-05 13:14:15.999999999 +0800 CST

carbon.Parse("2020-8-5T13:14:15+08:00").ToString() // 2020-08-05 13:14:15 +0800 CST
carbon.Parse("2020-8-05T13:14:15+08:00").ToString() // 2020-08-05 13:14:15 +0800 CST
carbon.Parse("2020-08-05T13:14:15+08:00").ToString() // 2020-08-05 13:14:15 +0800 CST
carbon.Parse("2020-08-05T13:14:15.999+08:00").ToString() // 2020-08-05 13:14:15.999 +0800 CST
carbon.Parse("2020-08-05T13:14:15.999999+08:00").ToString() // 2020-08-05 13:14:15.999999 +0800 CST
carbon.Parse("2020-08-05T13:14:15.999999999+08:00").ToString() // 2020-08-05 13:14:15.999999999 +0800 CST

carbon.Parse("20200805").ToString() // 2020-08-05 00:00:00 +0800 CST
carbon.Parse("20200805131415").ToString() // 2020-08-05 13:14:15 +0800 CST
carbon.Parse("20200805131415.999").ToString() // 2020-08-05 13:14:15.999 +0800 CST
carbon.Parse("20200805131415.999999").ToString() // 2020-08-05 13:14:15.999999 +0800 CST
carbon.Parse("20200805131415.999999999").ToString() // 2020-08-05 13:14:15.999999999 +0800 CST
carbon.Parse("20200805131415.999+08:00").ToString() // 2020-08-05 13:14:15.999 +0800 CST
carbon.Parse("20200805131415.999999+08:00").ToString() // 2020-08-05 13:14:15.999999 +0800 CST
carbon.Parse("20200805131415.999999999+08:00").ToString() // 2020-08-05 13:14:15.999999999 +0800 CST
Parse a time string as a Carbon instance by format
carbon.ParseByFormat("2020|08|05
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