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golang 创建压缩文件

时间:2018-12-05 20:35:21      阅读:207      评论:0      收藏:0      [点我收藏+]

标签:使用   any   compress   ola   执行   更新   string   目录   receive   

import ( "os" "archive/zip" "io" "fmt" "strings" ) // ZipFiles compresses one or many files into a single zip archive file. //压缩多个文件到一个文件里面 // Param 1: 输出的zip文件的名字 // Param 2: 需要添加到zip文件里面的文件 //Param 3: 由于file是绝对路径,打包后可能不是想要的目录,oldform就是filename中需要被替换的掉的路径 //Param 4: 要替换成的路径 func ZipFiles(filename string, files []string, oldform, newform string) error { newZipFile, err := os.Create(filename) if err != nil { return err } defer newZipFile.Close() zipWriter := zip.NewWriter(newZipFile) defer zipWriter.Close() // 把files添加到zip中 for _, file := range files { 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

使用方法 一

func main() {
    fileList := []string{
        "/Users/Jack/Downloads/QQreceiver/72bian_log/anal.txt",
        "/Users/Jack/Downloads/QQreceiver/72bian_log/config.json",
        "/Users/Jack/Downloads/QQreceiver/72bian_log/xzwx_client/md5.txt",
    }
    //保留原来文件的结构
    err := ZipFiles("/Users/Jack/Downloads/QQreceiver/test.zip", fileList, "","")
    if err != nil {
        fmt.Println(err)
    }
}

// 执行之后

//在对应目录下生成了我们定义的zip文件
?  QQreceiver#  ls test.zip
test.zip
?  QQreceiver#  pwd
/Users/Jack/Downloads/QQreceiver
//解压test.zip
?  QQreceiver# ls
Users    test.zip
?  QQreceiver# ls -R Users
Jack

Users/Jack:
Downloads

Users/Jack/Downloads:
QQreceiver

Users/Jack/Downloads/QQreceiver:
72bian_log

Users/Jack/Downloads/QQreceiver/72bian_log:
anal.txt    config.json xzwx_client

Users/Jack/Downloads/QQreceiver/72bian_log/xzwx_client:
md5.txt
//可以看到test打包的是文件的绝对路径,如果这个test.zip是我们要更新的程序的目录,这样肯定是不能用的

使用方法 二:
替换成我们想要的结构

func main() {
    fileList := []string{
        "/Users/Jack/Downloads/QQreceiver/72bian_log/anal.txt",
        "/Users/Jack/Downloads/QQreceiver/72bian_log/config.json",
        "/Users/Jack/Downloads/QQreceiver/72bian_log/xzwx_client/md5.txt",
    }
    //比如线上的程序的目录为game ,"/Users/Jack/Downloads/QQreceiver/72bian_log/"下面的文件为我们线game下的程序文件内容
    err := ZipFiles("/Users/Jack/Downloads/QQreceiver/test.zip", fileList, "/Users/Jack/Downloads/QQreceiver/72bian_log","game/")
    if err != nil {
        fmt.Println(err)
    }
}

执行之后

//在对应目录下生同样生成了我们定义的zip文件
?  QQreceiver#  ls test.zip
test.zip
?  QQreceiver#  pwd
/Users/Jack/Downloads/QQreceiver
//解压test.zip
?  QQreceiver# ls
game     test.zip
?  QQreceiver# ls -R game
anal.txt    config.json xzwx_client

game/xzwx_client:
md5.txt
//上面正好是我们需要的目录

golang 创建压缩文件

标签:使用   any   compress   ola   执行   更新   string   目录   receive   

原文地址:http://blog.51cto.com/superzhangqiang/2326682

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