package main
import (
"log"
"net/http"
)
func main() {
http.HandleFunc("/", handler)
http.ListenAndServe(":8081", nil)
}
func handler(w http.ResponseWriter, r *http.Request) {
keys, ok := r.URL.Query()["key"]
if !ok || len(keys) < 1 {
log.Println("Url Param 'key' is missing")
return
}
// Query()["key"] will return an array of items,
// we only want the single item.
key := keys[0]
log.Println("Url Param 'key' is: " + string(key))
}