python3 -m http.server用于上传文件

Question

python3 -m http.server非常适合托管文件，但有时我在没有安装python的用户（Windows用户）在场的情况下，需要从他们那里获取文件。怎么办？

Answer 1

<code>
package main
import (
    "net/http"
    "io"
    "os"
	"log"
	"regexp"
)
//curl http://192.168.1.100/getip
//curl -o abc http://192.168.1.100/download?file=abc
//curl -F "file=@abc" http://192.168.1.100/upload
const BaseUploadPath = "/repo/upload"
const BaseDownloadPath = "/repo/download"
func main() {
	http.HandleFunc("/upload", handleUpload)
	http.HandleFunc("/download", handleDownload)
	http.HandleFunc("/getip", handleGetip)
	err := http.ListenAndServe(":80", nil)
	if err != nil  {
		log.Fatal("Server run fail")
	}
}
func handleGetip(w http.ResponseWriter, request *http.Request){
	r := regexp.MustCompile(`\d+.\d+.\d+.\d+`)
    ipaddr := r.FindString(request.RemoteAddr)
	_,_ = io.WriteString(w, ipaddr)
}
func handleUpload (w http.ResponseWriter, request *http.Request)  {
	file, fileHeader, err := request.FormFile("file")
	if err != nil {
		_, _ = io.WriteString(w, "Read file error")
		return
	}
	defer file.Close()
	log.Println("filename: " + fileHeader.Filename)
	newFile, err := os.Create(BaseUploadPath + "/" + fileHeader.Filename)
	if err != nil {
		_, _ = io.WriteString(w, "Create file error")
		return
	}
	defer newFile.Close()
	_, err = io.Copy(newFile, file)
	if err != nil {
		_, _ = io.WriteString(w, "Write file error")
		return
	}
	_,_ = io.WriteString(w, "Upload success")
}
func handleDownload (w http.ResponseWriter, request *http.Request) {
	filename := request.FormValue("filename")
	if filename == "" {
		w.WriteHeader(http.StatusBadRequest)
		_, _ = io.WriteString(w, "Bad request")
		return
	}
	log.Println("filename: " + filename)
	file, err := os.Open(BaseDownloadPath + "/" + filename)
	if err != nil {
		w.WriteHeader(http.StatusBadRequest)
		_, _ = io.WriteString(w, "Bad request")
		return
	}
	defer file.Close()
	w.Header().Add("Content-type", "application/octet-stream")
	w.Header().Add("content-disposition", "attachment; filename=\""+filename+"\"")
	_, err = io.Copy(w, file)
	if err != nil {
		w.WriteHeader(http.StatusBadRequest)
		_, _ = io.WriteString(w, "Bad request")
		return
	}
}

</code>