/// <summary>
/// 观察一个数据层
/// 当数据层冒泡时，会自动调用相应的处理函数
/// </summary>
/// <param name="_uuid">model的uuid</param>
/// <param name="_action">行为</param>
protected void addObserver(string _uuid, string _action, Action <Model.Status, object> _handler)
{
Model.Inner inner = board_.getModelCenter().FindUnit(_uuid);
if (null == inner)
{
return;
}
inner.AddObserver(_action, _handler);
}