更新时间:2021-06-30 08:21:00
您可以为多路复用器路由器定义middleware
,下面是一个示例:
You can define middleware
for mux router, here is an example:
func main() {
port := ":3000"
var router = mux.NewRouter()
router.Use(commonMiddleware)
router.HandleFunc("/m/{msg}", handleMessage).Methods("GET")
router.HandleFunc("/n/{num}", handleNumber).Methods("GET")
// rest of code goes here
}
func commonMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("Content-Type", "application/json")
next.ServeHTTP(w, r)
})
}
在文档