转的一段code

地址：http://www.cnblogs.com/MikeZhang/archive/2012/08/06/httpShareGolang20120805.html /* File : httpShareWithTrace.go Author : Mike E-Mail : Mike_Zhang@live.com */ package main import( "fmt" "net/http" "io/ioutil" "log" "time" "os" "strings" ) func getFilelist(path string) string { m_files,err := ioutil.ReadDir(path) if err !=nil{ // println( "Get filelist error !" ) return"" } var strRet string for _,f := range m_files { // println(f.Name(),f.IsDir()) if path == "./" { strRet += "<p><a href=\""+path+""+f.Name() +" \">" + f.Name() + "</a></p>" }else{ strRet += "<p><a href=\""+path[1:]+"/"+f.Name() +" \">" + f.Name() + "</a></p>" } } return strRet } func Handler( w http.ResponseWriter,r *http.Request ){ println("Request ",r.URL.Path," from ",r.RemoteAddr) // path := r.URL.Path[1:] path := "." + r.URL.Path if path == "./favicon.ico" {http.NotFound(w,r);return} if path == "./" || getFilelist(path) != "" {fmt.Fprintf( w,"%s",getFilelist(path));return} fin,err := os.Open(path) defer fin.Close() if err != nil {fmt.Fprintf( w,"404 : Not found" );return} readLen := 1024 * 1024 buf := make([]byte,readLen) startPos := 0 println("Transfer file ",path," ... ") for { n,err := fin.ReadAt(buf,int64(startPos)) fmt.Fprintf(w,"%s",buf[:n]) if 0 == n || err != nil {break} startPos += readLen } } func main(){ port := "8080"//Default port if len(os.Args)>1 { port = strings.Join(os.Args[1:2],"")} http.HandleFunc( "/",Handler) s := &http.Server{ Addr: ":"+port, ReadTimeout: 1 * time.Hour, WriteTimeout: 1 * time.Hour, MaxHeaderBytes: (1 << 31) - 1 , //Max file size is 2048M } println("Listening on port ",port,"...") log.Fatal(s.ListenAndServe()) } 说明一下，这个不是我的代码，是网上copy的，觉得对新手有作用，自己也就mark一下学习学习，P.自己编译成功。