Nice article on using go templates with embed introduced in go1.16: https://philipptanlak.com/web-frontends-in-go/.
That’s the code:
Project structure:
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html/ layout.html dashboard.html profile/ show.html edit.html html.go <-- here are the rendering functions main.go <-- here could be the http handlers |
main.go:
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package main import ( "net/http" ".../html" ) func main() { http.HandleFunc("/dashboard", dashboard) http.HandleFunc("/profile/show", profileShow) http.HandleFunc("/profile/edit", profileEdit) http.ListenAndServe(":8080", nil) } func dashboard(w http.ResponseWriter, r *http.Request) { p := html.DashboardParams{ Title: "Dashboard", Message: "Hello from dashboard", } html.Dashboard(w, p) } func profileShow(w http.ResponseWriter, r *http.Request) { p := html.ProfileShowParams{ Title: "Profile Show", Message: "Hello from profile show", } html.ProfileShow(w, p) } func profileEdit(w http.ResponseWriter, r *http.Request) { p := html.ProfileEditParams{ Title: "Profile Edit", Message: "Hello from profile edit", } html.ProfileEdit(w, p) } |
…/html.go:
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package html import ( "embed" "io" "text/template" ) //go:embed * var files embed.FS var ( dashboard = parse("dashboard.html") profileShow = parse("profile/show.html") profileEdit = parse("profile/edit.html") ) type DashboardParams struct { Title string Message string } func Dashboard(w io.Writer, p DashboardParams) error { return dashboard.Execute(w, p) } type ProfileShowParams struct { Title string Message string } func ProfileShow(w io.Writer, p ProfileShowParams) error { return profileShow.Execute(w, p) } type ProfileEditParams struct { Title string Message string } func ProfileEdit(w io.Writer, p ProfileEditParams) error { return profileEdit.Execute(w, p) } func parse(file string) *template.Template { return template.Must( template.New("layout.html").ParseFS(files, "layout.html", file)) } |
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