C#后台解析 json 动态解析 通用（Dictionary）

Dictionary<string, object> suggestions = JSONSerializer.Deserialize<Dictionary<string, object>>(jsonStudent)

if (suggestions.Keys.Contains("UserId"))
{
student["new_mduserid"] = suggestions["UserId"].ToString();//MD用户Id
}

多数组的可以用 List<Dictionary<string, object>>

 需要调用的 类库链接