Query JSON String

Is there a way to query a J开发者_开发问答SON (String) for a specific item?

ie:

String jSon = "{\"a\":{\"b\":27472483,\"c\":\"123\"}}";

such that:

Int32 bob = (Int32)getFromJSON("a.b", jSon);
// bob == 27472483

Thank you, -Theo

What you want to do here is to deserialize the JSON string into a C# object, and then access the 'b' property from there. More on that here

    public T getFromJSON<T>(String sel, String jSon)
    {
        String[] id = sel.Split('.');
        Object tmp = jSon;

        for (int i = 0; i < id.Length; i++)
        {
            tmp = tmp.ToString().Split(new string[] { "\"" + id[i] + "\":" }, StringSplitOptions.None)[1];
        }

        Boolean isString = false;
        if (tmp.ToString().StartsWith("\""))
        {
            tmp = tmp.ToString().Substring(1);
            isString = true;
        }

        tmp = tmp.ToString().Split(new char[] { '}', ']', '"' }, StringSplitOptions.None)[0];

        if (!isString && tmp.ToString().EndsWith(","))
            tmp = tmp.ToString().Substring(0, tmp.ToString().Length - 1);

        if (typeof(T) == typeof(Int32))
            tmp = Int32.Parse(tmp.ToString());

        return (T)tmp;
    }

v0.7b Works!