René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"zip 包解压乱码","articleBody":"zip 包解压乱码\r\n==============\r\n\r\n### 场景\r\n\r\n使用 `golang` `zip` 包解压时，文件名含有中文会出现乱码.\r\n\r\n\r\n\r\n### 原因\r\n\r\n因为压缩包是在 `windows` 平台压缩的，压缩软件 `winrar` 会使用本地编码方式进行压缩，所以含有中文的文件名是 `gbk` 格式的，  \r\n而 `golang` 字符串是使用 `utf-8` 格式，从而出现乱码.\r\n\r\n\r\n### 解决\r\n\r\n通过标识位识别 `gbk` 编码，若是则转换为 `utf-8`\r\n\u003e 如果未设置通用位11，则文件名和注释使用原始的ZIP字符编码  \r\n\u003e 如果设置了通用位11，则文件名和注释必须使用UTF-8存储规范定义的字符编码形式支持Unicode标准版本4.1.0或更高版本\r\n\r\n```golang\r\nfunc (tc *TaskController) unzip(fileName string, dst string) (map[string][]string, int, error) {\r\n\tzf, err := zip.OpenReader(fileName)\r\n\tif err != nil {\r\n\t\treturn nil, 0, err\r\n\t}\r\n\tdefer zf.Close()\r\n\r\n\ttotal := 0                         // 总文件数，记录任务进度\r\n\tfiles := make(map[string][]string) // 文件信息缓存，sku =\u003e 文件名\r\n\tfor _, file := range zf.File {\r\n\t\t// 注意，windows 下的压缩文件是GBK，解压可能有中文名，则需要转换为 utf-8\r\n\t\tif file.Flags == 0 {\r\n\t\t\ti := bytes.NewReader([]byte(file.Name))\r\n\t\t\tdecoder := transform.NewReader(i, simplifiedchinese.GB18030.NewDecoder())\r\n\t\t\tcontent, _ := ioutil.ReadAll(decoder)\r\n\t\t\tfile.Name = string(content)\r\n\t\t}\r\n\r\n\t\tpath := filepath.Join(dst, file.Name)\r\n\t\tif file.FileInfo().IsDir() {\r\n\t\t\tcontinue\r\n\t\t}\r\n\r\n\t\tf, err := file.Open()\r\n\t\tif err != nil {\r\n\t\t\tlog.Error(\"[file.Open] error: %v\", err)\r\n\t\t\treturn nil, 0, err\r\n\t\t}\r\n\r\n\t\tif err = os.MkdirAll(filepath.Dir(path), os.ModePerm); err != nil {\r\n\t\t\tf.Close()\r\n\t\t\treturn nil, 0, err\r\n\t\t}\r\n\r\n\t\tfw, err := os.OpenFile(path, os.O_CREATE|os.O_RDWR|os.O_TRUNC, file.Mode())\r\n\t\tif err != nil {\r\n\t\t\tlog.Error(\"[os.OpenFile] error: %v\", err)\r\n\t\t\treturn nil, 0, err\r\n\t\t}\r\n\t\t_, err = io.Copy(fw, f)\r\n\t\tif err != nil {\r\n\t\t\tf.Close()\r\n\t\t\tfw.Close()\r\n\t\t\treturn nil, 0, err\r\n\t\t}\r\n\r\n\t\tf.Close()\r\n\t\tfw.Close()\r\n\r\n\t\tsku := tc.getSku(file.Name)\r\n\t\tif sku == \"\" {\r\n\t\t\tcontinue\r\n\t\t}\r\n\t\tfiles[sku] = append(files[sku], file.Name)\r\n\t\ttotal += 1\r\n\t}\r\n\r\n\treturn files, total, nil\r\n}\r\n```\r\n\r\n### 参考\r\n[go 处理zip解压时乱码问题](https://studygolang.com/articles/21345)  \r\n[Creating a zip archive with Unicode filenames using Go's archive/zip](https://stackoverflow.com/questions/30026083/creating-a-zip-archive-with-unicode-filenames-using-gos-archive-zip)\r\n","author":{"url":"https://github.com/codcodog","@type":"Person","name":"codcodog"},"datePublished":"2021-04-25T15:34:45.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/127/Blog/issues/127"}