| package main |
| |
| import ( |
| "fmt" |
| "http" |
| "io/ioutil" |
| "os" |
| ) |
| |
| type Page struct { |
| Title string |
| Body []byte |
| } |
| |
| func (p *Page) save() os.Error { |
| filename := p.Title + ".txt" |
| return ioutil.WriteFile(filename, p.Body, 0600) |
| } |
| |
| func loadPage(title string) (*Page, os.Error) { |
| filename := title + ".txt" |
| body, err := ioutil.ReadFile(filename) |
| if err != nil { |
| return nil, err |
| } |
| return &Page{Title: title, Body: body}, nil |
| } |
| |
| const lenPath = len("/view/") |
| |
| func viewHandler(w http.ResponseWriter, r *http.Request) { |
| title := r.URL.Path[lenPath:] |
| p, _ := loadPage(title) |
| fmt.Fprintf(w, "<h1>%s</h1><div>%s</div>", p.Title, p.Body) |
| } |
| |
| func main() { |
| http.HandleFunc("/view/", viewHandler) |
| http.ListenAndServe(":8080", nil) |
| } |