Source file doc/articles/wiki/part1.go

     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	

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