/
zip.go
82 lines (68 loc) · 1.25 KB
/
zip.go
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package compress
import (
"archive/zip"
"io"
"os"
"path/filepath"
)
type ZipPacker struct {
DirName string
DstName string
}
func (z *ZipPacker) init() error {
_, err := os.Stat(z.DirName)
if err != nil {
return err
}
if _, err := os.Stat(z.DstName); os.IsNotExist(err) {
return nil
}
return os.RemoveAll(z.DstName)
}
func (z *ZipPacker) Pack() error {
if err := z.init(); err != nil {
return err
}
file, err := os.Create(z.DstName)
if err != nil {
return err
}
defer file.Close()
zw := zip.NewWriter(file)
defer zw.Close()
return filepath.Walk(z.DirName, func(p string, i os.FileInfo, err error) error {
if err != nil {
return err
}
fHeader, err := zip.FileInfoHeader(i)
if err != nil {
return err
}
//fHeader.Name = strings.TrimPrefix(p, string(filepath.Separator))
fHeader.Name = filepath.Base(p)
if i.IsDir() {
fHeader.Name += "/"
} else {
fHeader.Method = zip.Deflate
}
w, err := zw.CreateHeader(fHeader)
if err != nil {
return err
}
if !i.Mode().IsRegular() {
return nil
}
r, err := os.Open(p)
if err != nil {
return err
}
defer r.Close()
if _, err := io.Copy(w, r); err != nil {
return err
}
return nil
})
}
func (z *ZipPacker) UnPack() error {
return nil
}