1package main 2 3import ( 4 "io" 5 "io/ioutil" 6 "net/http" 7 "unit.nginx.org/go" 8) 9 10func handler(w http.ResponseWriter, r *http.Request) { 11 b, e := ioutil.ReadFile("404.html") 12 13 if e == nil { 14 w.WriteHeader(http.StatusNotFound) 15 io.WriteString(w, string(b)) 16 } 17} 18 19func main() { 20 http.HandleFunc("/", handler) 21 unit.ListenAndServe(":7080", nil) 22} 23