Golang时间及时间戳的获取转换超全面详细讲解

package main
import (
        "fmt"
        "time"
)
func main() {
   currentTime := time.Now()                  //当前时间
   currentYear := time.Now().Year()        //当前年
   currentMonth := time.Now().Month()       //当前月
   currentDay := time.Now().Day()         //当前日
   currentHour := time.Now().Hour()        //当前小时小时
   currentMinute := time.Now().Minute()      //当前分钟
   currentSecond := time.Now().Second()      //当前秒
   currentNSecond := time.Now().Nanosecond()  //当前纳秒
   //打印结果
   fmt.Println("当前时间是：", currentTime)
   fmt.Println("当前年：", currentYear)
   fmt.Println("当前月：", currentMonth)
   fmt.Println("当前日：", currentDay)
   fmt.Println("当前小时：", currentHour)
   fmt.Println("当前分钟：", currentMinute)
   fmt.Println("当前秒：", currentSecond)
   fmt.Println("当前纳秒：", currentNSecond)

package main
import (
    "fmt"
    "time"
)
func main() {
    currentTime := time.Now()
    m, _ := time.ParseDuration("-1m")
    result := currentTime.Add(m)
    fmt.Println(result)
}

package main
import (
    "fmt"
    "time"
)
func main() {
    currentTime := time.Now()
    m, _ := time.ParseDuration("-1h")
    result := currentTime.Add(m)
    fmt.Println(result)
}

package main
import (
    "fmt"
    "time"
)
func main() {
    currentTime := time.Now()
    m, _ := time.ParseDuration("1h")
    result := currentTime.Add(m)
    fmt.Println(result)
}

package main
import (
    "fmt"
    "time"
)
func main() {
    fmt.Printf("时间戳（秒）：%v;\n", time.Now().Unix())
    fmt.Printf("时间戳（纳秒）：%v;\n",time.Now().UnixNano())
    fmt.Printf("时间戳（毫秒）：%v;\n",time.Now().UnixNano() / 1e6)
    fmt.Printf("时间戳（纳秒转换为秒）：%v;\n",time.Now().UnixNano() / 1e9)
}

package main
import (
    "fmt"
    "time"
)
func main() {
    timeStamp := time.Date(2022, 5, 20, 13, 14, 0, 0, time.Local).Unix()
    fmt.Println("时间转时间戳：",timeStamp)
}

package main
import (
    "fmt"
    "time"
)
func main() {
    timeStr := time.Unix(1650617834, 0)
    fmt.Println(timeStr)
}

package main
import (
    "fmt"
    "time"
)
func main() {
    timeLayout := "2006-01-02 15:04:05"
    timeStr := time.Unix(1653023640, 0).Format(timeLayout)
    fmt.Println(timeStr)
}