public override void WriteProgram(Work w)
{
if (w.Hour < 12)
{
Console.WriteLine("当前时间：{0}点 上午工作，精神百倍", w.Hour);
}
else
{
w.SetState(new NoonState());
w.WriteProgram();
}
}
public override void WriteProgram(Work w)
{
if (w.Hour < 17)
{
Console.WriteLine("当前时间：{0}点 下午状态还不错，继续努力", w.Hour);
}
else
{
w.SetState(new EveningState());
w.WriteProgram();
}
}