package net/http
Golang net/http.Error() function usage example
package main
import (
"net/http"
)
func SayHelloWorld(w http.ResponseWriter, r *http.Request) {
html := "Hello"
html = html + " World"
w.Write([]byte(html))
}
func SayError(w http.ResponseWriter, r *http.Request) {
http.Error(w, "Say Error!", 500)
}
func main() {
mux := http.NewServeMux()
mux.HandleFunc("/", SayHelloWorld)
mux.HandleFunc("/error", SayError)
http.ListenAndServe(":8080", mux)
}
Sample output :
From browser :
Point to URL [your server]:8080/error
Say Error!
From terminal :
curl -I [your server]:8080/error
HTTP/1.1 500 Internal Server Error
Content-Type: text/plain; charset=utf-8
Date: Mon, 25 May 2015 06:29:48 GMT
Content-Length: 11
See Also : https://www.socketloop.com/tutorials/golang-how-to-return-http-status-code
Reference :
http://golang.org/pkg/net/http/#Error
