Go에서 루트 폴더 없이 폴더 콘텐츠를 압축하는 방법은 무엇입니까?

header.Name = filepath.Join(baseDir, strings.TrimPrefix(path, source))

header.Name = strings.TrimPrefix(path, source)

import (
    "archive/zip"
    "fmt"
    "io"
    "os"
    "path/filepath"
)

func Zipit(source, target string) error {
    zipfile, err := os.Create(target)
    if err != nil {
        return err
    }
    defer zipfile.Close()

    archive := zip.NewWriter(zipfile)
    defer archive.Close()

    info, err := os.Stat(source)
    if err != nil {
        return nil
    }

    filepath.Walk(source, func(path string, info os.FileInfo, err error) error {
        if err != nil {
            return err
        }

        header, err := zip.FileInfoHeader(info)
        if err != nil {
            return err
        }

        if info.IsDir() {
            header.Name += "/"
        } else {
            header.Method = zip.Deflate
        }

        writer, err := archive.CreateHeader(header)
        if err != nil {
            return err
        }

        if info.IsDir() {
            return nil
        }

        file, err := os.Open(path)
        if err != nil {
            return err
        }
        defer file.Close()
        _, err = io.Copy(writer, file)
        return err
    })

    return err
}

func main() {
    err := Zipit("path/dir1" +"/", "test"+".zip")
    if err != nil {
        fmt.Println(err)
    }
}