go map 转json

import (
	"encoding/json"
	"fmt"
)

func main() {
	var s =  map[string]interface{}{}
	var a  = map[string]interface{}{"b":11111}

	s["nihao"] = map[string]interface{}{"nihao":"dddd","bb":a}
	res,_ := json.Marshal(s)
	resString := string(res)
	fmt.Println(resString)

}