// +build ignore,OMIT package main import ( "fmt" "log" "net/http" ) func main() { http.HandleFunc("/hello", handleHello) // HL fmt.Println("serving on http://localhost:7777/hello") log.Fatal(http.ListenAndServe("localhost:7777", nil)) } func handleHello(w http.ResponseWriter, req *http.Request) { log.Println("serving", req.URL) fmt.Fprintln(w, "Hello, 世界!") // HL }