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創(chuàng)新互聯(lián)GoFrame教程:GoFramegtime-工具方法
接口文檔:https://pkg.GO.dev/github.com/gogf/gf/v2/os/gtime

方法比較簡(jiǎn)單,比較常用的是以下幾個(gè)方法:
- ?
Timestamp?用于獲得當(dāng)前時(shí)間戳,?TimestampMilli?、?TimestampMicro?及?TimestampNano?用于獲得當(dāng)前的毫秒、微秒和納秒值。 - ?
Date?和?Datetime?用于獲得當(dāng)前日期及當(dāng)前日期時(shí)間。 - ?
SetTimeZone?用于設(shè)置當(dāng)前進(jìn)程的全局時(shí)區(qū)。 - 其他方法說明請(qǐng)查看接口文檔。
示例1,基本使用
創(chuàng)建時(shí)間對(duì)象及獲取當(dāng)前時(shí)間戳。
package main
import (
"fmt"
"github.com/gogf/gf/v2/os/gtime"
)
func main() {
fmt.Println("Date :", gtime.Date())
fmt.Println("Datetime :", gtime.Datetime())
fmt.Println("Second :", gtime.Timestamp())
fmt.Println("Millisecond:", gtime.TimestampMilli())
fmt.Println("Microsecond:", gtime.TimestampMicro())
fmt.Println("Nanosecond :", gtime.TimestampNano())
}執(zhí)行后,輸出結(jié)果為:
Date : 2018-07-22
Datetime : 2018-07-22 11:52:22
Second : 1532231542
Millisecond: 1532231542688
Microsecond: 1532231542688688
Nanosecond : 1532231542688690259
示例2,設(shè)置時(shí)區(qū)
時(shí)區(qū)的全局設(shè)置必須要在標(biāo)準(zhǔn)庫的?time?包?import?之前調(diào)用。
package main
import (
"fmt"
"github.com/gogf/gf/v2/os/gtime"
"time"
)
func main() {
// 先使用標(biāo)準(zhǔn)庫打印當(dāng)前時(shí)間
fmt.Println(time.Now().String())
// 設(shè)置進(jìn)程全局時(shí)區(qū)
err := gtime.SetTimeZone("Asia/Tokyo")
if err != nil {
panic(err)
}
// 使用gtime獲取當(dāng)前時(shí)間
fmt.Println(gtime.Now().String())
// 使用標(biāo)準(zhǔn)庫獲取當(dāng)前時(shí)間
fmt.Println(time.Now().String())
}執(zhí)行后,輸出結(jié)果為:
2018-11-21 22:50:56.723429 +0800 CST m=+0.000649366
2018-11-21 23:50:56
2018-11-21 23:50:56.723832 +0900 JST m=+0.001052780
示例3,StrToTime
除了通過?New?方法外,也可以通過?StrToTime?根據(jù)常見的時(shí)間字符串解析生成?gtime.Time?對(duì)象,常見的時(shí)間字符串如下:
2017-12-14 04:51:34 +0805 LMT
2017-12-14 04:51:34 +0805 LMT
2006-01-02T15:04:05Z07:00
2014-01-17T01:19:15+08:00
2018-02-09T20:46:17.897Z
2018-02-09 20:46:17.897
2018-02-09T20:46:17Z
2018-02-09 20:46:17
2018/10/31 - 16:38:46
2018-02-09
2018.02.09
01-Nov-2018 11:50:28
01/Nov/2018 11:50:28
01.Nov.2018 11:50:28
01.Nov.2018:11:50:28
日期連接符號(hào)支持'-'、'/'、'.'使用示例:
package main
import (
"fmt"
"github.com/gogf/gf/v2/os/glog"
"github.com/gogf/gf/v2/os/gtime"
"time"
)
func main() {
array := []string{
"2017-12-14 04:51:34 +0805 LMT",
"2006-01-02T15:04:05Z07:00",
"2014-01-17T01:19:15+08:00",
"2018-02-09T20:46:17.897Z",
"2018-02-09 20:46:17.897",
"2018-02-09T20:46:17Z",
"2018-02-09 20:46:17",
"2018.02.09 20:46:17",
"2018-02-09",
"2017/12/14 04:51:34 +0805 LMT",
"2018/02/09 12:00:15",
"01/Nov/2018:13:28:13 +0800",
"01-Nov-2018 11:50:28 +0805 LMT",
"01-Nov-2018T15:04:05Z07:00",
"01-Nov-2018T01:19:15+08:00",
"01-Nov-2018 11:50:28 +0805 LMT",
"01/Nov/2018 11:50:28",
"01/Nov/2018:11:50:28",
"01.Nov.2018:11:50:28",
"01/Nov/2018",
}
cstLocal, _ := time.LoadLocation("Asia/Shanghai")
for _, s := range array {
if t, err := gtime.StrToTime(s); err == nil {
fmt.Println(s)
fmt.Println(t.UTC().String())
fmt.Println(t.In(cstLocal).String())
} else {
glog.Error(s, err)
}
fmt.Println()
}
}在這個(gè)示例中,將部分時(shí)間格式串使用?StrToTime?方法轉(zhuǎn)換為?gtime.Time?對(duì)象,并輸出該事件的?UTC?時(shí)間和?CST?時(shí)間(上海時(shí)區(qū)時(shí)間)。 執(zhí)行后,輸出結(jié)果為:
2017-12-14 04:51:34 +0805 LMT
2017-12-13 20:46:34
2017-12-14 04:46:34 +0800 CST
2006-01-02T15:04:05Z07:00
2006-01-02 22:04:05
2006-01-03 06:04:05 +0800 CST
2014-01-17T01:19:15+08:00
2014-01-16 17:19:15
2014-01-17 01:19:15 +0800 CST
2018-02-09T20:46:17.897Z
2018-02-09 20:46:17
2018-02-10 04:46:17.897 +0800 CST
2018-02-09 20:46:17.897
2018-02-09 12:46:17
2018-02-09 20:46:17.897 +0800 CST
2018-02-09T20:46:17Z
2018-02-09 20:46:17
2018-02-10 04:46:17 +0800 CST
2018-02-09 20:46:17
2018-02-09 12:46:17
2018-02-09 20:46:17 +0800 CST
2018.02.09 20:46:17
2018-02-09 12:46:17
2018-02-09 20:46:17 +0800 CST
2018-02-09
2018-02-08 16:00:00
2018-02-09 00:00:00 +0800 CST
2017/12/14 04:51:34 +0805 LMT
2017-12-13 20:46:34
2017-12-14 04:46:34 +0800 CST
2018/02/09 12:00:15
2018-02-09 04:00:15
2018-02-09 12:00:15 +0800 CST
01/Nov/2018:13:28:13 +0800
2018-11-01 05:28:13
2018-11-01 13:28:13 +0800 CST
01-Nov-2018 11:50:28 +0805 LMT
2018-11-01 03:45:28
2018-11-01 11:45:28 +0800 CST
01-Nov-2018T15:04:05Z07:00
2018-11-01 22:04:05
2018-11-02 06:04:05 +0800 CST
01-Nov-2018T01:19:15+08:00
2018-10-31 17:19:15
2018-11-01 01:19:15 +0800 CST
01-Nov-2018 11:50:28 +0805 LMT
2018-11-01 03:45:28
2018-11-01 11:45:28 +0800 CST
01/Nov/2018 11:50:28
2018-11-01 03:50:28
2018-11-01 11:50:28 +0800 CST
01/Nov/2018:11:50:28
2018-11-01 03:50:28
2018-11-01 11:50:28 +0800 CST
01.Nov.2018:11:50:28
2018-11-01 03:50:28
2018-11-01 11:50:28 +0800 CST
01/Nov/2018
2018-10-31 16:00:00
2018-11-01 00:00:00 +0800 CST 網(wǎng)站標(biāo)題:創(chuàng)新互聯(lián)GoFrame教程:GoFramegtime-工具方法
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