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【Golang】標準パッケージ time

Posted at

#【Golang】標準パッケージ time
Golangの基礎学習〜Webアプリケーション作成までの学習を終えたので、復習を兼ねてまとめていく。 基礎〜応用まで。

/*
https://golang.org/pkg/time/

const (
        ANSIC       = "Mon Jan _2 15:04:05 2006"
        UnixDate    = "Mon Jan _2 15:04:05 MST 2006"
        RubyDate    = "Mon Jan 02 15:04:05 -0700 2006"
        RFC822      = "02 Jan 06 15:04 MST"
        RFC822Z     = "02 Jan 06 15:04 -0700" // RFC822 with numeric zone
        RFC850      = "Monday, 02-Jan-06 15:04:05 MST"
        RFC1123     = "Mon, 02 Jan 2006 15:04:05 MST"
        RFC1123Z    = "Mon, 02 Jan 2006 15:04:05 -0700" // RFC1123 with numeric zone
        RFC3339     = "2006-01-02T15:04:05Z07:00"
        RFC3339Nano = "2006-01-02T15:04:05.999999999Z07:00"
        Kitchen     = "3:04PM"
        // Handy time stamps.
        Stamp      = "Jan _2 15:04:05"
        StampMilli = "Jan _2 15:04:05.000"
        StampMicro = "Jan _2 15:04:05.000000"
        StampNano  = "Jan _2 15:04:05.000000000"
)
*/
package main

//time
//時間
//time.Second
//time.Millisecond
//Sleep
//など。上記はフォーマットの型。

import (
	"fmt"
	"time"
)

func main() {
	//書き方
	t := time.Now()
	fmt.Println(t)
	//フォーマット
	fmt.Println(t.Format(time.RFC3339))
	//今の年、月など
	fmt.Println(t.Year(), t.Month(), t.Day(),
		t.Hour(), t.Minute(), t.Second())
}

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