Unmarshal Json en GO

unmarshalJson.go

package main

import (
	"encoding/json"
	"fmt"
)

type AdminMenu struct {
	Menu struct {
		ID    string `json:"id"`
		Value string `json:"value"`
		Popup Popup  `json:"popup"`
	} `json:"menu"`
}

type Popup struct {
	Menuitem []struct {
		Value   string `json:"value"`
		Onclick string `json:"onclick"`
	} `json:"menuitem"`
}

func main() {
	strJson := `{"menu":{"id":"file","value":"File","popup":{"menuitem":[{"value":"New","onclick":"CreateNewDoc()"},{"value":"Open","onclick":"OpenDoc()"},{"value":"Close","onclick":"CloseDoc()"}]}}}`

	var adminMenu AdminMenu

	err := json.Unmarshal([]byte(strJson), &adminMenu)
	if err != nil {
		fmt.Errorf("\nError unmarshal:%v", err)
	}

	fmt.Println("menu:", adminMenu)

}