Golang Time Format Strings

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title: "Golang Time Format Strings"
date: 2021-02-01T20:50:52+08:00
draft: true
tags: ['go','time']
author: "dadigang"
author_cn: "大地缸"
personal: "http://www.real007.cn"

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package main

import (
    "fmt"
    "time"
)

// 来自github.com\mattn\go-sqlite3@v1.14.0\sqlite3.go
var SQLiteTimestampFormats = []string{
    // By default, store timestamps with whatever timezone they come with.
    // When parsed, they will be returned with the same timezone.
    "2006-01-02 15:04:05.999999999-07:00",
    "2006-01-02T15:04:05.999999999-07:00",
    "2006-01-02 15:04:05.999999999",
    "2006-01-02T15:04:05.999999999",
    "2006-01-02 15:04:05",
    "2006-01-02T15:04:05",
    "2006-01-02 15:04",
    "2006-01-02T15:04",
    "2006-01-02",
    "2006年01月02日",
    "20060102",
}

func main() {
    var now = time.Now()
    for _, tf := range SQLiteTimestampFormats {
        fmt.Println("Format: ", tf, "; Now: ", now.Format(tf))
    }
    /*
       Format:  2006-01-02 15:04:05.999999999-07:00 ; Now:  2020-07-06 21:33:43.8045583+08:00
       Format:  2006-01-02T15:04:05.999999999-07:00 ; Now:  2020-07-06T21:33:43.8045583+08:00
       Format:  2006-01-02 15:04:05.999999999 ; Now:  2020-07-06 21:33:43.8045583
       Format:  2006-01-02T15:04:05.999999999 ; Now:  2020-07-06T21:33:43.8045583
       Format:  2006-01-02 15:04:05 ; Now:  2020-07-06 21:33:43
       Format:  2006-01-02T15:04:05 ; Now:  2020-07-06T21:33:43
       Format:  2006-01-02 15:04 ; Now:  2020-07-06 21:33
       Format:  2006-01-02T15:04 ; Now:  2020-07-06T21:33
       Format:  2006-01-02 ; Now:  2020-07-06
    */
}

outputs

go run .
Format:  2006-01-02 15:04:05.999999999-07:00 ; Now:  2021-02-01 20:51:34.624336328+08:00
Format:  2006-01-02T15:04:05.999999999-07:00 ; Now:  2021-02-01T20:51:34.624336328+08:00
Format:  2006-01-02 15:04:05.999999999 ; Now:  2021-02-01 20:51:34.624336328
Format:  2006-01-02T15:04:05.999999999 ; Now:  2021-02-01T20:51:34.624336328
Format:  2006-01-02 15:04:05 ; Now:  2021-02-01 20:51:34
Format:  2006-01-02T15:04:05 ; Now:  2021-02-01T20:51:34
Format:  2006-01-02 15:04 ; Now:  2021-02-01 20:51
Format:  2006-01-02T15:04 ; Now:  2021-02-01T20:51
Format:  2006-01-02 ; Now:  2021-02-01
Format:  2006年01月02日 ; Now:  2021年02月01日
Format:  20060102 ; Now:  20210201

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