go-file-server GO HTTP 文件下载服务器

package main

import (
    "fmt"
    "log"
    "net/http"
    "os"
    "path/filepath"
)

func main() {
    log.Println("Server Port: " + os.Args[1])
    log.Println("Server Workdir: " + os.Args[2])
    p, _ := filepath.Abs(filepath.Dir(os.Args[2] + "\\"))
    http.Handle("/", http.FileServer(http.Dir(p)))
    err := http.ListenAndServe(":"+os.Args[1], nil)
    if err != nil {
        fmt.Println(err)
    }
}