public void CheckAndChangeState()
{
Transition transition = currentState.GetEnabledTransition();
if (transition != null)
{
Console.Write("由“" + currentState.GetName() + "”状态");
currentState = transition.GetEnd();
Console.WriteLine("到“" + currentState.GetName() + "”状态。");
if (currentState.GetId() == startState.GetId())
{
RestoreAllStates();
}
}
else
{
currentState.DoAction();
}
}
