Time 在golang获得3年前的时间戳?
我想获得3年前的unix时间戳,我现在使用它:Time 在golang获得3年前的时间戳?,time,go,unix-timestamp,Time,Go,Unix Timestamp,我想获得3年前的unix时间戳,我现在使用它: time.Now().Unix(() - 3 * 3600 * 24 * 365 无论如何,这并不准确(因为一年可能有366天)。只需使用一种方法,在该方法中,您可以指定添加年、月和天的时间,如果您想返回时间,所有这些时间也可以是负数: AddDate()方法声明: func (t Time) AddDate(years int, months int, days int) Time 例如: t := time.Now() fmt.Printl
time.Now().Unix(() - 3 * 3600 * 24 * 365
无论如何,这并不准确(因为一年可能有366天)。只需使用一种方法,在该方法中,您可以指定添加年、月和天的时间,如果您想返回时间,所有这些时间也可以是负数:
AddDate()
方法声明:
func (t Time) AddDate(years int, months int, days int) Time
例如:
t := time.Now()
fmt.Println(t)
t2 := t.AddDate(-3, 0, 0)
fmt.Println(t2)
输出(在上尝试):
也许你能做到
package main
import (
"fmt"
"time"
)
func timeShift(now time.Time, timeType string, shift int) time.Time {
var shiftTime time.Time
switch timeType {
case "year":
shiftTime = now.AddDate(shift, 0, 0)
case "month":
shiftTime = now.AddDate(0, shift, 0)
case "day":
shiftTime = now.AddDate(0, 0, shift)
case "hour":
shiftTime = now.Add(time.Hour * time.Duration(shift))
case "minute":
shiftTime = now.Add(time.Minute * time.Duration(shift))
case "second":
shiftTime = now.Add(time.Second * time.Duration(shift))
default:
shiftTime = now
}
return shiftTime
}
func main(){
d := time.Now().UTC()
fmt.Println(timeShift(d, "month", 1))
fmt.Println(timeShift(d, "day", -1))
fmt.Println(timeShift(d, "hour", -1))
fmt.Println(timeShift(d, "minute", -1))
fmt.Println(timeShift(d, "second", -1))
}
因此,您的意思是,通过“shift”年数调整“now”:
now.AddDate(shift,0,0)
当前时间可以使用以下函数调整为@roger的三年前:timeShift(time.now(),year,-3)
package main
import (
"fmt"
"time"
)
func timeShift(now time.Time, timeType string, shift int) time.Time {
var shiftTime time.Time
switch timeType {
case "year":
shiftTime = now.AddDate(shift, 0, 0)
case "month":
shiftTime = now.AddDate(0, shift, 0)
case "day":
shiftTime = now.AddDate(0, 0, shift)
case "hour":
shiftTime = now.Add(time.Hour * time.Duration(shift))
case "minute":
shiftTime = now.Add(time.Minute * time.Duration(shift))
case "second":
shiftTime = now.Add(time.Second * time.Duration(shift))
default:
shiftTime = now
}
return shiftTime
}
func main(){
d := time.Now().UTC()
fmt.Println(timeShift(d, "month", 1))
fmt.Println(timeShift(d, "day", -1))
fmt.Println(timeShift(d, "hour", -1))
fmt.Println(timeShift(d, "minute", -1))
fmt.Println(timeShift(d, "second", -1))
}