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author | Michael Stapelberg <stapelberg@debian.org> | 2013-03-04 21:27:36 +0100 |
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committer | Michael Stapelberg <michael@stapelberg.de> | 2013-03-04 21:27:36 +0100 |
commit | 04b08da9af0c450d645ab7389d1467308cfc2db8 (patch) | |
tree | db247935fa4f2f94408edc3acd5d0d4f997aa0d8 /doc/articles/wiki/part3.go | |
parent | 917c5fb8ec48e22459d77e3849e6d388f93d3260 (diff) | |
download | golang-04b08da9af0c450d645ab7389d1467308cfc2db8.tar.gz |
Imported Upstream version 1.1~hg20130304upstream/1.1_hg20130304
Diffstat (limited to 'doc/articles/wiki/part3.go')
-rw-r--r-- | doc/articles/wiki/part3.go | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/doc/articles/wiki/part3.go b/doc/articles/wiki/part3.go new file mode 100644 index 000000000..7fe4351af --- /dev/null +++ b/doc/articles/wiki/part3.go @@ -0,0 +1,59 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "html/template" + "io/ioutil" + "net/http" +) + +type Page struct { + Title string + Body []byte +} + +func (p *Page) save() error { + filename := p.Title + ".txt" + return ioutil.WriteFile(filename, p.Body, 0600) +} + +func loadPage(title string) (*Page, 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 renderTemplate(w http.ResponseWriter, tmpl string, p *Page) { + t, _ := template.ParseFiles(tmpl + ".html") + t.Execute(w, p) +} + +func viewHandler(w http.ResponseWriter, r *http.Request) { + title := r.URL.Path[lenPath:] + p, _ := loadPage(title) + renderTemplate(w, "view", p) +} + +func editHandler(w http.ResponseWriter, r *http.Request) { + title := r.URL.Path[lenPath:] + p, err := loadPage(title) + if err != nil { + p = &Page{Title: title} + } + renderTemplate(w, "edit", p) +} + +func main() { + http.HandleFunc("/view/", viewHandler) + http.HandleFunc("/edit/", editHandler) + //http.HandleFunc("/save/", saveHandler) + http.ListenAndServe(":8080", nil) +} |