如何在没有未知密钥的情况下访问Json数据？

public static string RESTToJsonConverter(string incoming_data){
    string data = "[";
    int i = 0;
    Debug.Log("incoming_data"+incoming_data);
    data += "]";
    string JSONToParse = "{\"values\":" + data + "}";
    return JSONToParse;
}

下面是我运行该代码时的结果。我的问题是如何在不获取数据的情况下访问/获取所有数据"M4qRmfIqhKdy643Ujye"密钥（自动生成）？

如果使用 JavaScript，我可以使用object.values但由于我使用的是 C#，所以我不知道如何获取数据。

{
    "-M4qRmfIqhKdy643Ujye": {
        "assetName": "avatar",
        "id": "-M4qRmfnFya7bC43Ujye",
        "imageName": "icon_avatar",
        "name": "Bob",
        "objName": "Bobby",
        "point": "-M4vZRY9vhKs65n5L_Gk",
        "versionNumber": "3"
    },
    "-M4qRmfIqhKdy643Ujye": {
        "assetName": "avatar",
        "id": "-M4qRmfnFya7bC43Ujye",
        "imageName": "icon_avatar",
        "name": "Bobfds",
        "objName": "Bobbydsf",
        "point": "-M4vZRY9vhKs65n5L_Gk",
        "versionNumber": "3"
    },
    "-M4qRmfIqhKdy643Ujye": {
        "assetName": "avatar",
        "id": "-M4qRmfnFya7bC43Ujye",
        "imageName": "icon_avatar",
        "name": "Bobfdsa",
        "objName": "Bobbyfc",
        "point": "-M4vZRY9vhKs65n5L_Gk",
        "versionNumber": "3"
    }

}

UPDATE

这是我的下载器类中的功能之一

IEnumerator DownloadData(string dataPath, Action<string> callback){
    Debug.Log("dataPath=>"+dataPath);
    var token = LocalData.getAuth();
    Auth data = JsonUtility.FromJson<Auth>(token);
    var request = new 
    UnityWebRequest("https://test123.firebaseio.com/"+dataPath+".json? 
    auth="+data.idToken, "GET");
    request.downloadHandler = (DownloadHandler) new 
    DownloadHandlerBuffer();
    request.SetRequestHeader("Content-Type", "application/json");

    yield return request.SendWebRequest();

    if (request.isHttpError || request.isNetworkError)
    {
        Debug.Log(request.error);
        NotificationHelper.showOnePopup("Error \n"+request.error);
        callback(null);
    }
    else
    {
        //Debug.Log(request.downloadHandler.text);
        string json = 
        FirebaseSetup.RESTToJsonConverter(request.downloadHandler.text);
        callback(json);
    }

下面是我的 FirebaseSetup 类

public static string FirebaseToJsonConverter(DataSnapshot snapshot){
    string data = "[";
    int i = 0;
    foreach(DataSnapshot s in snapshot.Children){
        data += s.GetRawJsonValue();
        i++;
        if(i != snapshot.ChildrenCount)
            data += ",";
    }
    data += "]";
    string JSONToParse = "{\"values\":" + data + "}";
    return JSONToParse;
}

public static string RESTToJsonConverter(string incoming_data)
{
    Debug.Log($"incoming_data:/n{incoming_data}");

    // remove everything before the SECOND occurrence of '{'
    // remove last occurrence of '}'
    var startIndex = incoming_data.IndexOf('{', incoming_data.IndexOf('{') + 1);
    var endIndex = incoming_data.LastIndexOf('}') - 1;
    var json = incoming_data.Substring(startIndex, endIndex - startIndex);

    // then remove leading or trailing whitespace
    json = json.Trim();
    
    Debug.Log($"json:/n{json}");

    var data = JsonUtility.FromJson<string>(json);

    return data;
}

在我尝试 @derHugo 代码后，我收到新错误。

这是我的新错误

对于您的具体情况，我会采取相反的方式：

根字段名称通常并不重要，因此如果删除尾随}并从以下位置开始字符串second {你将会拥有

{
    "assetName": "avatar",
    "id": "-M4qRmfnFya7bC43Ujye",
    "imageName": "icon_avatar",
    "name": "Bob",
    "objName": "Bobby",
    "point": "-M4vZRY9vhKs65n5L_Gk",
    "versionNumber": "3"
}

你可以简单地为其创建一个 C# 类

[Serializable]
public class Data
{
    public string assetName;
    public string id;
    public string imageName;
    public string name;
    public string objName;
    public string point;
    public string versionNumber;
}

然后你可以使用JsonUtility

public static Data RESTToJsonConverter(string incoming_data)
{
    Debug.Log($"incoming_data:/n{incoming_data}");

    // remove everything before the SECOND occurrence of '{'
    // remove last occurrence of '}'
    var startIndex = incoming_data.IndexOf('{', incoming_data.IndexOf('{') + 1);
    var endIndex = incoming_data.LastIndexOf('}') - 1;
    var json = incoming_data.Substring(startIndex, endIndex - startIndex);

    // then remove leading or trailing whitespace
    json = json.Trim();
    
    Debug.Log($"json:/n{json}");
   
    var data = JsonUtility.FromJson<Data>(json);

    return data;
}

Update

您现在更新了问题内容，​​因此现在数据以数据对象字典的形式出现。

在这种情况下你可以使用牛顿软件Json.NET它直接支持（反）序列化Dictionary就像例如

[Serializable]
public class Data
{
    public string assetName;
    public string id;
    public string imageName;
    public string name;
    public string objName;
    public string point;
    public string versionNumber;
}

然后做类似的事情

public static Dictionary<string, Data> RESTToJsonConverter(string incoming_data)
{
    Debug.Log($"incoming_data:/n{incoming_data}");
   
    var data = JsonConvert.DeserializeObject<Dictionary<string, Data>(json);

    return data;
}

那么你可以做例如

var datas = RESTToJsonConverter(receivedRawData);
foreach(var data in data.Values)
{
    Debug.Log(data.id);
}