Golang html/template recursive rendering partial
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| type Thing struct { | |
| Text string | |
| Things []Thing | |
| } | |
| func RootHandler(rw http.ResponseWriter, req *http.Request) { | |
| tmpl, err := template.New("root").Parse(` | |
| <html> | |
| {{ define "message" }} | |
| <li>{{ .Text }} | |
| {{ if gt (len .Things) 0}} | |
| <ul> | |
| {{ range .Things }} | |
| {{ template "message" . }} | |
| {{ end }} | |
| </ul> | |
| {{ end }} | |
| </li> | |
| {{ end }} | |
| <ul>{{ template "message" . }}</ul> | |
| `) | |
| data := Thing{ | |
| Text: "Hello", | |
| Things: []Thing{ | |
| { | |
| Text: "World", | |
| }, | |
| }, | |
| } | |
| err = tmpl.Execute(rw, data) | |
| if err != nil { | |
| rw.WriteHeader(http.StatusInternalServerError) | |
| fmt.Fprintln(rw, "Error:", err) | |
| } | |
| } |
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