golang time foramt

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本文深入探讨了使用Go语言进行时间处理的方法，包括时间戳的获取、时间格式化为字符串、从字符串解析时间以及使用各种标准格式。通过实例展示了如何利用time包的功能，如time.Now()、time.Unix()和time.Parse()等，进行高效的时间操作。

func main() {

//获取时间戳
timestamp := time.Now().Unix()
fmt.Println(timestamp)

//格式化为字符串,tm为Time类型
tm := time.Unix(timestamp, 0)

fmt.Println(tm.Format("2006-01-02 03:04:05 PM"))
fmt.Println(tm.Format("02/01/2006 15:04:05 PM"))

//从字符串转为时间戳，第一个参数是格式，第二个是要转换的时间字符串
tm2, _ := time.Parse("01/02/2006", "02/08/2015")

fmt.Println(tm2.Unix())
}
 
输出结果:
1423361979
2015-02-08 10:19:39 AM
08/02/2015 10:19:39 AM
1423353600

// Go supports time formatting and parsing via
// pattern-based layouts.

package main

import "fmt"
import "time"

func main() {
    p := fmt.Println

    t := time.Now()
    p(t.Format(time.RFC3339))

    t1, e := time.Parse(
        time.RFC3339,
        "2012-11-01T22:08:41+00:00")
    p(t1)
    
    p(t.Format("3:04PM"))
    p(t.Format("Mon Jan _2 15:04:05 2006"))
    p(t.Format("2006-01-02T15:04:05.999999-07:00"))
    form := "3 04 PM"
    t2, e := time.Parse(form, "8 41 PM")
    p(t2)

    fmt.Printf("%d-%02d-%02dT%02d:%02d:%02d-00:00\n",
        t.Year(), t.Month(), t.Day(),
        t.Hour(), t.Minute(), t.Second())

    ansic := "Mon Jan _2 15:04:05 2006"
    _, e = time.Parse(ansic, "8:41PM")
    p(e)
}


2009-11-10T23:00:00Z
2012-11-01 22:08:41 +0000 UTC
11:00PM
Tue Nov 10 23:00:00 2009
2009-11-10T23:00:00+00:00
0000-01-01 20:41:00 +0000 UTC
2009-11-10T23:00:00-00:00
parsing time "8:41PM" as "Mon Jan _2 15:04:05 2006": cannot parse "8:41PM" as "Mon"