111 lines
2.2 KiB
Go
111 lines
2.2 KiB
Go
package utils
|
|
|
|
import (
|
|
"archive/zip"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
// 解压
|
|
func Unzip(zipFile string, destDir string) ([]string, error) {
|
|
zipReader, err := zip.OpenReader(zipFile)
|
|
var paths []string
|
|
if err != nil {
|
|
return []string{}, err
|
|
}
|
|
defer zipReader.Close()
|
|
|
|
for _, f := range zipReader.File {
|
|
if strings.Index(f.Name, "..") > -1 {
|
|
return []string{}, fmt.Errorf("%s 文件名不合法", f.Name)
|
|
}
|
|
fpath := filepath.Join(destDir, f.Name)
|
|
paths = append(paths, fpath)
|
|
if f.FileInfo().IsDir() {
|
|
os.MkdirAll(fpath, os.ModePerm)
|
|
} else {
|
|
if err = os.MkdirAll(filepath.Dir(fpath), os.ModePerm); err != nil {
|
|
return []string{}, err
|
|
}
|
|
|
|
inFile, err := f.Open()
|
|
if err != nil {
|
|
return []string{}, err
|
|
}
|
|
defer inFile.Close()
|
|
|
|
outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
|
|
if err != nil {
|
|
return []string{}, err
|
|
}
|
|
defer outFile.Close()
|
|
|
|
_, err = io.Copy(outFile, inFile)
|
|
if err != nil {
|
|
return []string{}, err
|
|
}
|
|
}
|
|
}
|
|
return paths, nil
|
|
}
|
|
|
|
func ZipFiles(filename string, files []string, oldForm, newForm string) error {
|
|
newZipFile, err := os.Create(filename)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer func() {
|
|
_ = newZipFile.Close()
|
|
}()
|
|
|
|
zipWriter := zip.NewWriter(newZipFile)
|
|
defer func() {
|
|
_ = zipWriter.Close()
|
|
}()
|
|
|
|
// 把files添加到zip中
|
|
for _, file := range files {
|
|
|
|
err = func(file string) error {
|
|
zipFile, err := os.Open(file)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer zipFile.Close()
|
|
// 获取file的基础信息
|
|
info, err := zipFile.Stat()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
header, err := zip.FileInfoHeader(info)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// 使用上面的FileInforHeader() 就可以把文件保存的路径替换成我们自己想要的了，如下面
|
|
header.Name = strings.Replace(file, oldForm, newForm, -1)
|
|
|
|
// 优化压缩
|
|
// 更多参考see http://golang.org/pkg/archive/zip/#pkg-constants
|
|
header.Method = zip.Deflate
|
|
|
|
writer, err := zipWriter.CreateHeader(header)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if _, err = io.Copy(writer, zipFile); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}(file)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|