golang http上传zip文件，自动解压到目录

App.go

package main

import (
	"./zip"
	"flag"
	"fmt"
	"io"
	"log"
	"net/http"
	"os"
)

var (
	dir  = flag.String("d", "./temp/", "location dir")
	addr = flag.String("b", "0.0.0.0:8090", "http listen port")
)

func main() {
	flag.Parse()
	log.Println("绑定" + *addr)
	log.Println("存储地址" + *dir)
	http.HandleFunc("/upload", upload)
	http.ListenAndServe(*addr, nil)

}

func upload(w http.ResponseWriter, r *http.Request) {

	if r.Method == "GET" {
		fmt.Fprintln(w, "滚")
		return
	}

	err := r.ParseMultipartForm(1024 * 1024 * 100)
	if err != nil {
		fmt.Fprintln(w, err)
		return
	}
	file, handler, err := r.FormFile("uploadfile")
	defer file.Close()
	if err != nil {
		fmt.Fprintln(w, err)
		return
	}

	os.Mkdir(*dir, 0777)

	log.Println(handler.Filename)

	f, err := os.OpenFile(*dir+handler.Filename, os.O_WRONLY|os.O_CREATE, 0666)
	defer f.Close()
	if err != nil {
		fmt.Fprintln(w, err)
		return
	}

	io.Copy(f, file)

	err = ziputil.DeCompress(f.Name(), *dir)
	if err != nil {
		fmt.Fprintln(w, err)
		return
	}

	os.Remove(f.Name())

	fmt.Fprintln(w, "upload ok!")
}

  zip/ziputil.go

package ziputil

import (
	"archive/zip"
	"io/ioutil"
	"log"
	"os"
	"strings"
)

func DeCompress(tarFile, dest string) error {
	if strings.HasSuffix(tarFile, ".zip") {
		return zipDeCompress(tarFile, dest)
	}
	return nil
}

func zipDeCompress(zipFile, dest string) error {
	or, err := zip.OpenReader(zipFile);
	defer or.Close()
	if err != nil {
		return err
	}

	log.Print(" 压缩文件", zipFile, " 解压到", dest)

	for _, item := range or.File {
		if item.FileInfo().IsDir() {
			os.Mkdir(dest+item.Name, 0777);
			continue
		}
		rc, _ := item.Open()
		dst, _ := createFile(dest + item.Name);
		payload, err := ioutil.ReadAll(rc)
		n, err := dst.Write(payload)
		if err != nil {
			log.Print(dest + item.Name)
			log.Print(err)
		} else {
			log.Print(n/1024, "kb","  ",dest + item.Name)
		}
	}

	return nil
}

func createFile(name string) (*os.File, error) {
	err := os.MkdirAll(string([]rune(name)[0:strings.LastIndex(name, "/")]), 0755)
	if err != nil {
		return nil, err
	}
	return os.Create(name)
}