package main
import (
"encoding/json"
"fmt"
)
testjson := `{"name":"zhangsan","age":18}`
json_data := make(map[string]interface{})
json.Unmarshal([]byte(testjson), &json_data)
fmt.Println(json_data["name"])
for key, value := range json_data {
fmt.Println(key, value)
}