/
wserver.go
64 lines (59 loc) · 1.71 KB
/
wserver.go
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package goserver
import (
"github.com/Chise1/goserver/v2/wiki"
"html/template"
"log"
"net/http"
"regexp"
)
//缓存模板
var templates = template.Must(template.ParseFiles("templates/edit.html", "templates/view.html"))
func renderTempplate(w http.ResponseWriter, tmpl string, p *wiki.Page) {
err := templates.ExecuteTemplate(w, tmpl+".html", p)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
func viewHandler(w http.ResponseWriter, r *http.Request, title string) {
p, err := wiki.LoadPage(title)
if err != nil {
http.Redirect(w, r, "/edit/"+title, http.StatusFound)
return
}
renderTempplate(w, "view", p)
}
func editHandler(w http.ResponseWriter, r *http.Request, title string) {
p, err := wiki.LoadPage(title)
if err != nil {
p = &wiki.Page{Title: title}
}
renderTempplate(w, "edit", p)
}
func saveHandler(w http.ResponseWriter, r *http.Request, title string) {
body := r.FormValue("body")
p := &wiki.Page{Title: title, Body: []byte(body)}
err := p.Save()
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
} else {
http.Redirect(w, r, "/view/"+title, http.StatusFound)
}
}
//正则表达式
var validPath = regexp.MustCompile("^/(edit|save|view)/([a-zA-Z0-9]+)$")
func makeHandler(fn func(http.ResponseWriter, *http.Request, string)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
m := validPath.FindStringSubmatch(r.URL.Path)
if m == nil {
http.NotFound(w, r)
} else {
fn(w, r, m[2])
}
}
}
func StartV2() {
http.HandleFunc("/view/", makeHandler(viewHandler))
http.HandleFunc("/edit/", makeHandler(editHandler))
http.HandleFunc("/save/", makeHandler(saveHandler))
log.Fatal(http.ListenAndServe(":8080", nil))
}