http parseQuery

Client

http://localhost:8080/person?first_name=GS&last_name=PAK

 

Server

※ r.URL.Query().Get("first_name")  보다 에러체크가 가능한 url.ParaseQuery를 사용

package main import ( "fmt" "log" "net/http" "net/url" "os" ) func parseQuery(w http.ResponseWriter, r *http.Request) { params, err := url.ParseQuery(r.URL.RawQuery) if err != nil { log.Fatal(err) } first_name := params.Get("first_name") last_name := params.Get("last_name") fmt.Printf("Hi %s %s\n", first_name, last_name) sisters := params["sisters"] for _, sister := range sisters { fmt.Printf("Hi %s\n", sister) } fmt.Fprintf(w, "OK") } func sayHello(w http.ResponseWriter, r *http.Request) { fmt.Fprintf(w, "Hi there!") } func setupHandler(mux *http.ServeMux) { mux.HandleFunc("/", sayHello) mux.HandleFunc("/person", parseQuery) } func main() { listenAddr := os.Getenv("LISTEN_ADDR") if len(listenAddr) == 0 { listenAddr = ":8080" } mux := http.NewServeMux() setupHandler(mux) log.Fatal(http.ListenAndServe(listenAddr, mux)) }