package net/http
Golang net/http.NotFound() function usage example
package main
import (
"net/http"
)
func returnCode200(w http.ResponseWriter, r *http.Request) {
// see http://golang.org/pkg/net/http/#pkg-constants
w.WriteHeader(http.StatusOK)
w.Write([]byte("☄ HTTP status code returned!"))
}
func returnCode500(w http.ResponseWriter, r *http.Request) {
// see http://golang.org/pkg/net/http/#pkg-constants
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte("☄ HTTP status code returned!"))
}
func main() {
mux := http.NewServeMux()
mux.HandleFunc("/", returnCode200)
mux.HandleFunc("/fivehundred", returnCode500)
mux.HandleFunc("/notfound", http.NotFound) <---- here !
http.ListenAndServe(":8080", mux)
}
Sample output :
URL : http://:8080/notfound
404 page not found
See also : https://www.socketloop.com/tutorials/golang-how-to-return-http-status-code
Reference :
http://golang.org/pkg/net/http/#NotFound
