// 首页或是列表页
func pagePosts(w http.ResponseWriter, r *http.Request) {
info, err := getInfo()
if err != nil {
logs.Error("pagePosts:", err)
pageHttpStatusCode(w, r, http.StatusInternalServerError)
return
}
page := conv.MustInt(r.FormValue("page"), 1)
if page == 1 {
info.Canonical = app.URL(app.HomeURL())
} else if page > 1 { // 为1的时候，不需要prev
info.Canonical = app.URL(app.PostsURL(page))
info.PrevPage = &Anchor{Title: "上一页", Link: app.PostsURL(page - 1)}
}
if page*opt.SidebarSize < info.PostSize {
info.NextPage = &Anchor{Title: "下一页", Link: app.PostsURL(page + 1)}
}
posts, err := getPosts(page - 1)
if err != nil {
logs.Error("pagePosts:", err)
pageHttpStatusCode(w, r, http.StatusInternalServerError)
return
}
data := map[string]interface{}{
"info": info,
"posts": posts,
}
render(w, r, "posts", data, map[string]string{"Content-Type": "text/html"})
}
// 首页
func pageRoot(w http.ResponseWriter, r *http.Request) {
// 首页的匹配模式为：/，可以匹配任意路径。所以此处作个判断，只有完全匹配的，才是显示首页
if r.URL.Path == app.HomeURL() {
pagePosts(w, r)
return
}
path := cfg.RootDir + r.URL.Path
if utils.FileExists(path) {
http.ServeFile(w, r, path)
return
}
pageHttpStatusCode(w, r, http.StatusNotFound)
}