How to set http.ResponseWriter Content-Type header globally for all API endpoints?
问题 I am new to Go and I'm building a simple API with it now: package main import ( "encoding/json" "fmt" "github.com/gorilla/mux" "github.com/gorilla/handlers" "log" "net/http" ) func main() { port := ":3000" var router = mux.NewRouter() router.HandleFunc("/m/{msg}", handleMessage).Methods("GET") router.HandleFunc("/n/{num}", handleNumber).Methods("GET") headersOk := handlers.AllowedHeaders([]string{"Authorization"}) originsOk := handlers.AllowedOrigins([]string{"*"}) methodsOk := handlers