package main
import (
"archive/zip"
"io"
"os"
"path/filepath"
)
func main() {
Zip(`winssh`,`winssh.zip`)
Unzip(`winssh.zip`,`data`)
}
//压缩文件
// srcFile could be a single file or a directory
func Zip(srcFile string, destZip string) error {
zipfile, err := os.Create(destZip)
if err != nil {
return err
}
defer zipfile.Close()
archive := zip.NewWriter(zipfile)
defer archive.Close()
filepath.Walk(srcFile, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
header, err := zip.FileInfoHeader(info)
if err != nil {
return err
}
header.Name = path
if info.IsDir() {
header.Name += "/"
} else {
header.Method = zip.Deflate
}
writer, err := archive.CreateHeader(header)
if err != nil {
return err
}
if ! info.IsDir() {
file, err := os.Open(path)
if err != nil {
return err
}
defer file.Close()
_, err = io.Copy(writer, file)
}
return err
})
return err
}
//解压文件
func Unzip(zipFile string, destDir string) error {
zipReader, err := zip.OpenReader(zipFile)
if err != nil {
return err
}
defer zipReader.Close()
for _, f := range zipReader.File {
fpath := filepath.Join(destDir, f.Name)
if f.FileInfo().IsDir() {
os.MkdirAll(fpath, os.ModePerm)
} else {
if err = os.MkdirAll(filepath.Dir(fpath), os.ModePerm); err != nil {
return err
}
inFile, err := f.Open()
if err != nil {
return err
}
defer inFile.Close()
outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
if err != nil {
return err
}
defer outFile.Close()
_, err = io.Copy(outFile, inFile)
if err != nil {
return err
}
}
}
return nil
}