package mainimport ( "net/http" "github.com/julienschmidt/httprouter" "io")//第三个参数p是httprouter新增的func CreateUser(w http.ResponseWriter, r *http.Request, p httprouter.Params) { //io.WriteString(w, "create user") io.WriteString(w, p.ByName("user_name") + "\n") //如果没有的则不会输出 io.WriteString(w, p.ByName("fffffff") + "\n") io.WriteString(w, p.ByName(("pwd")) + "\n")}//使用httprouterfunc RegisterHandlers() *httprouter.Router { router := httprouter.New() router.GET("/user/:user_name/pwd/:pwd", CreateUser) return router}func main() { r := RegisterHandlers() http.ListenAndServe(":8000", r)}

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