4.18 go map集合转为json格式

package main 

import (
	"encoding/json"
	"fmt"
)

func main(){
	
	//创建一个map
	m:=make(map[string]interface{},4)
	m["company"]="ittt"
	m["sub"]=[]string{"go","java","python"}
	m["isok"]="true"
	m["price"]=2333
	buf,err:=json.Marshal(m)
	
	if err!=nil{
		fmt.Println(err)
		return
	}

	fmt.Println("buf=",string(buf))
}