前端之家收集整理的这篇文章主要介绍了
关于Go的一个文件目录共享应用实例，
前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。
package main
import (
"flag"
"fmt"
"io/IoUtil"
"net/http"
"path/filepath"
"sort"
"sync"
"text/template"
"time"
)
const L = `<html>
<title>文件列表</title>
<body>
{{$ip := .IP}}
{{$dir := .Dir}}
<table>
{{range $k,$v := .List}}<tr><td><a href="http://{{$ip}}/{{$dir}}/{{$v.Name}}">文件名：{{$v.Name}}</a></td><td>修改时间：{{$v.Time}}</td></tr>
{{end}}
</table>
</body>
</html>`
type info struct {
Name string
Time time.Time
}
type newlist []*info
type Dirinfo struct {
lock sync.Mutex
IP string
Dir string
List newlist
}
var x Dirinfo
var name,dir string
var path *string = flag.String("p","/tmp","共享的路径")
var port *string = flag.String("l",":1789","监听的IP:端口")
func main() {
flag.Parse()
name = filepath.Base(*path)
dir = filepath.Dir(*path)
fmt.Println("共享的目录：",*path)
http.Handle(fmt.Sprintf("/%s/",name),http.FileServer(http.Dir(dir)))
http.HandleFunc("/",router)
http.ListenAndServe(*port,nil)
}
func router(w http.ResponseWriter,r *http.Request) {
l,_ := getFilelist(*path)
x.lock.Lock()
x.Dir = name
x.List = l
x.IP = r.Host
x.lock.Unlock()
t := template.New("")
t.Parse(L)
t.Execute(w,x)
}
func getFilelist(path string) (newlist,error) {
l,err := IoUtil.ReadDir(path)
if err != nil {
return []*info{},err
}
var list []*info
for _,v := range l {
list = append(list,&info{v.Name(),v.ModTime()})
}
sort.Sort(newlist(list))
return list,nil
}
func (I newlist) Len() int {
return len(I)
}
func (I newlist) Less(i,j int) bool {
return I[i].Time.Unix() < I[j].Time.Unix()
}
func (I newlist) Swap(i,j int) {
I[i],I[j] = I[j],I[i]
}
原文链接：https://www.f2er.com/go/190311.html
