decode_json_interface.go

package main

import (
	"encoding/json"
	"fmt"
)

func main() {
	b := []byte(`{
   "k1" : "v1", 
   "k3" : 10,
   "result":["v4",12.3,{"k11" : "v11", "k22" : "v22"}]
}`)
	var f interface{}
	err := json.Unmarshal(b, &f)
	if err != nil {
		fmt.Println(err)
	}
	m := f.(map[string]interface{})
	fmt.Println(m["k1"])
}