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jsongogo-echo

How to convert json to string in golang and echo framework?

I have a json that I receive by post

{"endpoint": "assistance"}

I receive this like this

json_map: = make (map[string]interface{})

Now I need to assign it to a variable as a string but I don't know how to do it.

endpoint: = c.String (json_map ["endpoint"])
Solution

  • What you are trying to achieve is not to convert a JSON to a string but an empty interface interface{} to a string You can achieve this by doing a type assertion:

    endpoint, ok := json_map["endpoint"].(string)
if !ok {
  // handle the error if the underlying type was not a string
}

    Also as @Lex mentionned, it would probably be much safer to have a Go struct defining your JSON data. This way all your fields will be typed and you will no longer need this kind of type assertion.