1 // Copyright 2010 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package main 6 7 import ( 8 "fmt" 9 "io/ioutil" 10 "log" 11 "net/http" 12 ) 13 14 type Page struct { 15 Title string 16 Body []byte 17 } 18 19 func (p *Page) save() error { 20 filename := p.Title + ".txt" 21 return ioutil.WriteFile(filename, p.Body, 0600) 22 } 23 24 func loadPage(title string) (*Page, error) { 25 filename := title + ".txt" 26 body, err := ioutil.ReadFile(filename) 27 if err != nil { 28 return nil, err 29 } 30 return &Page{Title: title, Body: body}, nil 31 } 32 33 func viewHandler(w http.ResponseWriter, r *http.Request) { 34 title := r.URL.Path[len("/view/"):] 35 p, _ := loadPage(title) 36 fmt.Fprintf(w, "<h1>%s</h1><div>%s</div>", p.Title, p.Body) 37 } 38 39 func main() { 40 http.HandleFunc("/view/", viewHandler) 41 log.Fatal(http.ListenAndServe(":8080", nil)) 42 } 43
