Golang html/template.Template.Lookup function examples
package html/template
Lookup returns the template with the given name(1st parameter) that is associated with t, or nil if there is no such template.
Golang html/template.Template.Lookup function usage examples
Example 1:
func parseHTMLTemplates(sets [][]string) error {
for _, set := range sets {
t := htmpl.New("")
t.Funcs(htmpl.FuncMap{
"urlDomain": urlDomain,
"urlTo": urlTo,
"itoa": strconv.Itoa,
"googleAnalyticsID": func() string { return os.Getenv("GOOGLE_ANALYTICS_ID") },
})
_, err := t.ParseFiles(joinTemplateDir(TemplateDir, set)...)
if err != nil {
return fmt.Errorf("template %v: %s", set, err)
}
t = t.Lookup("ROOT") // <-- here
if t == nil {
return fmt.Errorf("ROOT template not found in %v", set)
}
templates[set[0]] = t
}
return nil
}
Example 2:
func (r *RenderTemplateResult) Apply(req *http.Request, w http.ResponseWriter) {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
if r.TemplateSet.Lookup(r.TemplateName) == nil {
w.Write([]byte(fmt.Sprintf("can't found template:%s\n",
r.TemplateName)))
return
}
...
Reference :
Advertisement
Something interesting
Tutorials
+14.4k Golang : On enumeration
+4.7k Unix/Linux : How to pipe/save output of a command to file?
+12.9k Python : Convert IPv6 address to decimal and back to IPv6
+10.6k Golang : ISO8601 Duration Parser example
+13.3k Golang : Date and Time formatting
+8.6k Golang : Another camera capture GUI application with GTK and OpenCV
+7.3k Golang : Not able to grep log.Println() output
+6.8k Unix/Linux : How to fix CentOS yum duplicate glibc or device-mapper-libs dependency error?
+13k Golang : Calculate elapsed years or months since a date
+20.2k Golang : Convert seconds to human readable time format example
+5.2k JavaScript/JQuery : Redirect page examples