golang获取当前时间是第几周

package main

import (
    "fmt"
    "time"
)

func main() {
    datetime := "20210401" //待转化为时间戳的字符串

    fmt.Println(GetWeek(datetime))

    //
    ////时间戳转化为日期
    //datetime = time.Unix(timestamp, 0).Format(timeLayout)
    //fmt.Println(datetime)

}

func GetWeek(datetime string) (y, w int) {
    timeLayout := "20060102"
    loc, _ := time.LoadLocation("Local")
    tmp, _ := time.ParseInLocation(timeLayout, datetime, loc)
    return tmp.ISOWeek()
}

输出的样子是这样的

image.png

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