package main
import (
"fmt"
"net/http"
"io"
"os"
)
func Upload(w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" {
file, header, err := r.FormFile("file")
if err != nil {
fmt.Printf("FromFileErr")
http.Redirect(w, r, "/", http.StatusMovedPermanently)
return
}
outPath := fmt.Sprintf("files/%s", header.Filename)
fmt.Printf("upload: %s\n", outPath)
outFile, err := os.Create(outPath)
if err != nil {
panic(err)
}
defer outFile.Close()
io.Copy(outFile, file)
outFile.Sync()
}
http.Redirect(w, r, "/", http.StatusMovedPermanently)
}
func Index(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w,
`
Uploader
`)
}
func FileExists(fileName string) bool{
_, err := os.Stat(fileName)
return err == nil
}
func main() {
if !FileExists("files") {
os.Mkdir("files", 0777)
}
http.HandleFunc("/", Index)
http.HandleFunc("/upload", Upload)
http.Handle("/files/", http.StripPrefix("/files/", http.FileServer(http.Dir("files/"))))
fmt.Printf("Listen:8080\n")
panic(http.ListenAndServe(":8080", nil))
}