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 ) 11 12 type Page struct { 13 Title string 14 Body []byte 15 } 16 17 func (p *Page) save() error { 18 filename := p.Title + ".txt" 19 return ioutil.WriteFile(filename, p.Body, 0600) 20 } 21 22 func loadPage(title string) (*Page, error) { 23 filename := title + ".txt" 24 body, err := ioutil.ReadFile(filename) 25 if err != nil { 26 return nil, err 27 } 28 return &Page{Title: title, Body: body}, nil 29 } 30 31 func main() { 32 p1 := &Page{Title: "TestPage", Body: []byte("This is a sample Page.")} 33 p1.save() 34 p2, _ := loadPage("TestPage") 35 fmt.Println(string(p2.Body)) 36 } 37
