设计模式学习笔记--状态模式

using System;

namespace State
{
    /// <summary> 
    /// 作者：bzyzhang
    /// 时间：2016/5/28 19:44:40 
    /// 博客地址：http://www.cnblogs.com/bzyzhang/
    /// Work说明：本代码版权归bzyzhang所有，使用时必须带上bzyzhang博客地址 
    /// </summary> 
    public class Work
    {
        private State current;

        public Work()
        {
            current = new ForenoonState();
        }

        private double hour;

        public double Hour
        {
            get { return hour; }
            set { hour = value; }
        }

        private bool finish = false;

        public bool TaskFinished
        {
            get { return finish; }
            set { finish = value; }
        }

        public void SetState(State state)
        {
            current = state;
        }

        public void WriteProgram()
        {
            current.WriteProgram(this);
        }
    }
}

using System;

namespace State
{
    /// <summary> 
    /// 作者：bzyzhang
    /// 时间：2016/5/28 19:43:56 
    /// 博客地址：http://www.cnblogs.com/bzyzhang/
    /// State说明：本代码版权归bzyzhang所有，使用时必须带上bzyzhang博客地址 
    /// </summary> 
    public abstract class State
    {
        public abstract void WriteProgram(Work work);
    }
}

using System;

namespace State
{
    /// <summary> 
    /// 作者：bzyzhang
    /// 时间：2016/5/28 19:45:39 
    /// 博客地址：http://www.cnblogs.com/bzyzhang/
    /// ForenoonState说明：上午工作状态
    /// </summary> 
    public class ForenoonState:State
    {
        public override void WriteProgram(Work work)
        {
            if (work.Hour < 12)
            {
                Console.WriteLine("当前时间：{0}点 上午工作，精神百倍",work.Hour);
            }
            else
            {
                work.SetState(new NoonState());
                work.WriteProgram();
            }
        }
    }
}

using System;

namespace State
{
    /// <summary> 
    /// 作者：bzyzhang
    /// 时间：2016/5/28 19:52:33 
    /// 博客地址：http://www.cnblogs.com/bzyzhang/
    /// NoonState说明：本代码版权归bzyzhang所有，使用时必须带上bzyzhang博客地址 
    /// </summary> 
    public class NoonState:State
    {
        public override void WriteProgram(Work work)
        {
            if (work.Hour < 13)
            {
                Console.WriteLine("当前时间：{0}点 饿了，午饭：犯困，午休。", work.Hour);
            }
            else
            {
                work.SetState(new AfternoonState());
                work.WriteProgram();
            }
        }
    }
}

using System;

namespace State
{
    /// <summary> 
    /// 作者：bzyzhang
    /// 时间：2016/5/28 19:54:17 
    /// 博客地址：http://www.cnblogs.com/bzyzhang/
    /// AfternoonState说明：本代码版权归bzyzhang所有，使用时必须带上bzyzhang博客地址 
    /// </summary> 
    public class AfternoonState:State
    {
        public override void WriteProgram(Work work)
        {
            if (work.Hour < 17)
            {
                Console.WriteLine("当前时间：{0}点 下午状态还不错，继续努力。", work.Hour);
            }
            else
            {
                work.SetState(new EveningState());
                work.WriteProgram();
            }
        }
    }
}

using System;

namespace State
{
    /// <summary> 
    /// 作者：bzyzhang
    /// 时间：2016/5/28 19:56:32 
    /// 博客地址：http://www.cnblogs.com/bzyzhang/
    /// EveningState说明：本代码版权归bzyzhang所有，使用时必须带上bzyzhang博客地址 
    /// </summary> 
    public class EveningState:State
    {
        public override void WriteProgram(Work work)
        {
            if (work.TaskFinished)
            {
                work.SetState(new RestState());
                work.WriteProgram();
            }
            else
            {
                if (work.Hour < 21)
                {
                    Console.WriteLine("当前时间：{0}点 加班哦，疲累至极！", work.Hour);
                }
                else
                {
                    work.SetState(new SleepingState());
                    work.WriteProgram();
                }
            }
        }
    }
}

using System;

namespace State
{
    /// <summary> 
    /// 作者：bzyzhang
    /// 时间：2016/5/28 19:58:45 
    /// 博客地址：http://www.cnblogs.com/bzyzhang/
    /// SleepingState说明：本代码版权归bzyzhang所有，使用时必须带上bzyzhang博客地址 
    /// </summary> 
    public class SleepingState:State
    {
        public override void WriteProgram(Work work)
        {
            Console.WriteLine("当前时间：{0}点 不行了，睡着了！", work.Hour);
        }
    }
}

using System;

namespace State
{
    /// <summary> 
    /// 作者：bzyzhang
    /// 时间：2016/5/28 19:59:52 
    /// 博客地址：http://www.cnblogs.com/bzyzhang/
    /// RestState说明：本代码版权归bzyzhang所有，使用时必须带上bzyzhang博客地址 
    /// </summary> 
    public class RestState:State
    {
        public override void WriteProgram(Work work)
        {
            Console.WriteLine("当前时间：{0}点 下班回家了！", work.Hour);
        }
    }
}

namespace State
{
    class Program
    {
        static void Main(string[] args)
        {
            Work emergencyProjects = new Work();
            emergencyProjects.Hour = 9;
            emergencyProjects.WriteProgram();
            emergencyProjects.Hour = 10;
            emergencyProjects.WriteProgram();
            emergencyProjects.Hour = 12;
            emergencyProjects.WriteProgram();
            emergencyProjects.Hour = 13;
            emergencyProjects.WriteProgram();
            emergencyProjects.Hour = 14;
            emergencyProjects.WriteProgram();
            emergencyProjects.Hour = 17;
            emergencyProjects.WriteProgram();

            emergencyProjects.TaskFinished = true;

            emergencyProjects.WriteProgram();
            emergencyProjects.Hour = 19;
            emergencyProjects.WriteProgram();
            emergencyProjects.Hour = 22;
            emergencyProjects.WriteProgram();
        }
    }
}