微软webchat机器人跨会话C#存储全局数据

public static class GlobalData
{
    public static Dictionary<string, object> Data = new Dictionary<string, object>();
}

public class GlobalData
{
    private static GlobalData instance;
    public Dictionary<string, object> Data { get; private set; }

    private GlobalData()
    {
        Data = new Dictionary<string, object>();
    }

    public static GlobalData Instance
    {
        get
        {
            if (instance == null)
            {
                instance = new GlobalData();
            }
            return instance;
        }
    }
}