static void Main(string[] args)
{
Console.WriteLine("欢迎大家来到软谋教育.net高级班公开课之设计模式特训课，今天是Eleven老师为大家带来的状态模式");
Context context = new Context(new GreenLight());//最开始准备一个绿灯
context.Change();
context.Change();
context.Change();
context.Change();
context.Change();
context.Change();
//Light light = new Light(LightState.Green);
////绿 黄 红 绿 黄 红
//light.Change();
//light.Change();
//light.Change();
//light.Change();
//light.Change();
//light.Change();
//if (light.State == LightState.Green)
//{
// light.SetYellow();
//}
//else if (light.State == LightState.Yellow)
//{
// light.SetRed();
//}
//else if (light.State == LightState.Red)
//{
// light.SetGreen();
//}
//light.Change();
//if (light.State == LightState.Green)
//{
// light.SetYellow();
//}
//else if (light.State == LightState.Yellow)
//{
// light.SetRed();
//}
//else if (light.State == LightState.Red)
//{
// light.SetGreen();
//}
//light.Change();
//if (light.State == LightState.Green)
//{
// light.SetYellow();
//}
//else if (light.State == LightState.Yellow)
//{
// light.SetRed();
//}
//else if (light.State == LightState.Red)
//{
// light.SetGreen();
//}
Console.Read();
}
