网站当电话线,软件工程师招聘简章,wordpress电影页面代码,公司文化的建设对个人的意义前言 状态模式:在对象内部发生改变时改变其行为#xff0c;使得对象在不同的状态下具有不同的行为表现。 代码 #region 状态模式-类/// 抽象 交通灯状态public abstract class TrafficLightState{public abstract void Display();}//红灯public class RedLight : TrafficLight…前言 状态模式:在对象内部发生改变时改变其行为使得对象在不同的状态下具有不同的行为表现。 代码 #region 状态模式-类/// 抽象 交通灯状态public abstract class TrafficLightState{public abstract void Display();}//红灯public class RedLight : TrafficLightState{public override void Display(){Console.WriteLine(红灯停);}}//绿灯public class GreenLight : TrafficLightState{public override void Display(){Console.WriteLine(绿灯行);}}//黄灯public class YellowLight : TrafficLightState{public override void Display(){Console.WriteLine(黄灯等待);}}//交通灯上下文public class TrafficLightContext{private TrafficLightState trafficLight;public TrafficLightContext(){trafficLight new RedLight();}public void SetTrafficLightState(TrafficLightState trafficLight){this.trafficLight trafficLight;}public void Display(){trafficLight.Display();}}#endregion#region 状态模式-枚举//交通灯状态枚举public enum TrafficLightEnum{Red,Green,Yellow}//交通灯枚举状态显示设置类public class TrafficLightEnumState{private TrafficLightEnum state;public void SetState(TrafficLightEnum state){this.state state;}public void Display(){switch (state){case TrafficLightEnum.Red:Console.WriteLine(红灯停);break;case TrafficLightEnum.Green:Console.WriteLine(绿灯行);break;case TrafficLightEnum.Yellow:Console.WriteLine(黄灯等待);break;}}}//交通灯上下文枚举设置public class TrafficLightEnumContext{private TrafficLightEnumState trafficLight;public TrafficLightEnumContext(){trafficLight new TrafficLightEnumState();trafficLight.SetState(TrafficLightEnum.Red);}public void SetTrafficLightState(TrafficLightEnum state){trafficLight.SetState(state);}public void Display(){trafficLight.Display();}}#endregion/** 行为型模式Behavioral Pattern* 状态模式State Pattern*/
internal class Program
{/** 行为型模式Behavioral Pattern* 状态模式State Pattern*/static void Main(string[] args){//类模式Console.WriteLine(类模式......);TrafficLightContext trafficLight new TrafficLightContext();trafficLight.Display();trafficLight.SetTrafficLightState(new GreenLight());trafficLight.Display();trafficLight.SetTrafficLightState(new YellowLight());trafficLight.Display();//枚举模式Console.WriteLine(枚举模式......);TrafficLightEnumContext trafficLightEnumContext new TrafficLightEnumContext();trafficLightEnumContext.Display();trafficLightEnumContext.SetTrafficLightState(TrafficLightEnum.Green);trafficLightEnumContext.Display();trafficLightEnumContext.SetTrafficLightState(TrafficLightEnum.Yellow);trafficLightEnumContext.Display();Console.ReadLine();}
}运行结果
