崔鹏飞的Blog

发表于 Disqus： 本文字数： 1.4k 阅读时长 ≈ 1 分钟

2008年08月17日 星期日 下午 04:28

0dceef368c252b290b55a959.jpg

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using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    abstract class Officer
    {
        protected Officer myboss;

        public Officer(Officer o)
        {
            myboss = o;
        }

        public abstract void Deal(Action a);
    }

    class PoliceMan : Officer
    {
        public PoliceMan(Officer o)
            : base(o)
        {
        }

        public override void Deal(Action a)
        {
            if (a == Action.逮捕罪犯)
            {
                Console.WriteLine("我是警察，我去逮捕罪犯");
            }
            else if (myboss != null)
            {
                myboss.Deal(a);
            }
        }
    }

    class FBI : Officer
    {
        public FBI(Officer o)
            : base(o)
        {
        }

        public override void Deal(Action a)
        {
            if (a == Action.暗杀)
            {
                Console.WriteLine("我是FBI，我去暗杀");
            }
            else if (myboss != null)
            {
                myboss.Deal(a);
            }
        }
    }

    class Precident : Officer
    {
        public Precident(Officer o)
            : base(o)
        {
        }

        public override void Deal(Action a)
        {
            if (a == Action.干掉萨达姆)
            {
                Console.WriteLine("我是总统，我去找人干掉萨达姆");
            }
            else if (myboss != null)
            {
                myboss.Deal(a);
            }
        }
    }

    enum Action
    {
        逮捕罪犯,
        暗杀,
        干掉萨达姆
    }

    class Client
    {
        public static void Main()
        {
            Officer police = new PoliceMan(new FBI(new Precident(null)));
            police.Deal(Action.逮捕罪犯);
            police.Deal(Action.暗杀);
            police.Deal(Action.干掉萨达姆);
            Console.Read();
        }
    }
}

发表于 Disqus： 本文字数： 1.2k 阅读时长 ≈ 1 分钟

2008年08月15日 星期五 下午 05:23

松耦合

09e79510c02a0e19203f2e7e.jpg

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using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    abstract class Vehicle
    {
        protected Engine e;

        public abstract void Show();

        public abstract void InstallEngine(Engine e);
    }

    class RacingCar : Vehicle
    {
        public override void Show()
        {
            Console.WriteLine("跑车");
            e.Show();
        }

        public override void InstallEngine(Engine e)
        {
            this.e = e;
        }
    }

    class Tractor : Vehicle
    {
        public override void Show()
        {
            Console.WriteLine("拖拉机");
            e.Show();
        }

        public override void InstallEngine(Engine e)
        {
            this.e = e;
        }
    }

    abstract class Engine
    {
        public abstract void Show();
    }

    class RacingCarEngine : Engine
    {
        public override void Show()
        {
            Console.WriteLine("跑车引擎");
        }
    }

    class TractorEngine : Engine
    {
        public override void Show()
        {
            Console.WriteLine("拖拉机引擎");
        }
    }

    class Client
    {
        public static void Main()
        {
            Vehicle v = new RacingCar();
            v.InstallEngine(new RacingCarEngine());
            v.Show();

            v = new Tractor();
            v.InstallEngine(new TractorEngine());
            v.Show();

            Console.Read();
        }
    }
}

发表于 Disqus： 本文字数： 614 阅读时长 ≈ 1 分钟

设计模式—单例模式（singleton）

c56fe019dbd71a62dbb4bd42.jpg

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using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    class Singleton
    {
        private static Singleton s;

        private Singleton()
        {
        }

        public static Singleton GetInstance()
        {
            if (s == null)
            {
                s = new Singleton();
            }

            return s;
        }
    }

    class Client
    {
        public static void Main()
        {
            Singleton s1 = Singleton.GetInstance();
            Singleton s2 = Singleton.GetInstance();
            if (object.ReferenceEquals(s1, s2))
            {
                Console.WriteLine("一样的");
                Console.WriteLine(s1);
            }

            Console.Read();
        }
    }
}

发表于 Disqus： 本文字数： 1.1k 阅读时长 ≈ 1 分钟

设计模式—备忘录模式（CSDN没有恢复迹象……）

7f6bab1990e5495243a9ad1c.jpg

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    class 人物状态
    {
        private int _血;
        private int _气;

        public 人物状态()
        {
            _气 = 100;
            _血 = 100;
        }

        public int 血
        {
            get { return _血; }
            set { _血 = value; }
        }

        public int 气
        {
            get { return _气; }
            set { _气 = value; }
        }

        public 存档 存档()
        {
            return new 存档(_血, _气);
        }

        public void 读档(存档 c)
        {
            this.气 = c.气;
            this.血 = c.血;
        }

        public void 战斗()
        {
            System.Random r = new System.Random();

            this._血 = r.Next(100);
            this._气 = r.Next(100);
        }

        public void ShowState()
        {
            Console.WriteLine(this.气 + " " + this.血);
        }
    }

    class 存档
    {
        private int _气;

        private int _血;

        public 存档(int x, int q)
        {
            this._气 = q;
            this._血 = x;
        }

        public int 气
        {
            get { return _气; }
        }

        public int 血
        {
            get { return _血; }
        }
    }

    class 管理器
    {
        private 存档 savedfile;

        public 存档 SavedFile
        {
            get { return savedfile; }
            set { savedfile = value; }
        }
    }

    class 调用者
    {
        public static void Main()
        {
            人物状态 r = new 人物状态();
            r.ShowState();

            管理器 g = new 管理器();
            g.SavedFile = r.存档();
            r.战斗();
            r.ShowState();
            r.读档(g.SavedFile);
            r.ShowState();
            Console.Read();
        }
    }
}
``

发表于 Disqus： 本文字数： 1.8k 阅读时长 ≈ 2 分钟

设计模式—组合模式（CSDN依然没有恢复迹象……）

7fef7ad965c15b3411df9b0d.jpg

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using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    abstract class AbstractCompany
    {
        protected String Name;

        public AbstractCompany(string name)
        {
            this.Name = name;
        }

        public abstract void Add(AbstractCompany c);

        public abstract void Remove(AbstractCompany c);

        public abstract void Show(int len);

        public abstract void DoJob();
    }

    class RealCompany : AbstractCompany
    {
        private IList<AbstractCompany> Son = new List<AbstractCompany>();

        public RealCompany(string name) : base(name)
        {
        }

        public override void Add(AbstractCompany c)
        {
            Son.Add(c);
        }

        public override void DoJob()
        {
            Console.WriteLine(Name + "公司正常运转");
            foreach (AbstractCompany a in Son)
            {
                a.DoJob();
            }
        }

        public override void Remove(AbstractCompany c)
        {
            Son.Remove(c);
        }

        public override void Show(int len)
        {
            Console.WriteLine(new String('-', len) + Name);
            foreach (AbstractCompany a in Son)
            {
                a.Show(len + 1);
            }
        }
    }

    class HR : AbstractCompany
    {
        public HR(string name) : base(name)
        {
        }

        public override void Add(AbstractCompany c)
        {
        }

        public override void DoJob()
        {
            Console.WriteLine(Name + "人事部正常运转");
        }

        public override void Remove(AbstractCompany c)
        {
        }

        public override void Show(int len)
        {
            Console.WriteLine(new string('-', len) + Name);
        }
    }

    class Client
    {
        public static void Main()
        {
            AbstractCompany root = new RealCompany("总公司");
            root.Add(new HR("总公司人事部"));

            RealCompany r = new RealCompany("分公司");
            r.Add(new HR("分公司人事部"));

            root.Add(r);

            root.Show(1);
            root.DoJob();

            Console.Read();
        }
    }
}

发表于 Disqus： 本文字数： 1.2k 阅读时长 ≈ 1 分钟

53a941eefca8a5ecb3fb9578.jpg

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using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    abstract class Birds
    {
        public abstract void Fly();

        public abstract void Shout();
    }

    class Duck : Birds
    {
        public override void Fly()
        {
            Console.WriteLine("鸭子飞");
        }

        public override void Shout()
        {
            Console.WriteLine("鸭子叫唤");
        }
    }

    class Chick : Birds
    {
        public override void Fly()
        {
            Console.WriteLine("小鸡飞");
        }

        public override void Shout()
        {
            Console.WriteLine("小鸡飞");
        }
    }

    class Adapter : Birds
    {
        private Eagle eagle = new Eagle();

        public override void Fly()
        {
            eagle.Fly();
        }

        public override void Shout()
        {
            eagle.Shout();
        }
    }

    class Eagle
    {
        public void Fly()
        {
            Console.WriteLine("老鹰飞");
        }

        public void Shout()
        {
            Console.WriteLine("老鹰叫唤");
        }
    }

    class Client
    {
        public static void Main()
        {
            Birds b = new Duck();
            b.Fly();
            b.Shout();
            b = new Chick();
            b.Fly();
            b.Shout();
            b = new Adapter();
            b.Fly();
            b.Shout();
            Console.Read();
        }
    }
}

发表于 Disqus： 本文字数： 1.4k 阅读时长 ≈ 1 分钟

设计模式—状态模式（今天CSDN竟然上不去，暂时发在这里）

58cbf8feaccd5d265d60085a.jpg

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using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    abstract class State
    {
        public abstract void DoWhatIShouldDo(Worker w);
    }

    class Young : State
    {
        public override void DoWhatIShouldDo(Worker w)
        {
            if (w.Age <= 35)
            {
                Console.WriteLine("我年轻，逍遥自在");
            }
            else
            {
                w.State = new MiddleAge();
                w.DoWhatIShouldDo();
            }
        }
    }

    class MiddleAge : State
    {
        public override void DoWhatIShouldDo(Worker w)
        {
            if (w.Age <= 50)
            {
                Console.WriteLine("人到中年");
            }
            else
            {
                w.State = new Old();
                w.DoWhatIShouldDo();
            }
        }
    }

    class Old : State
    {
        public override void DoWhatIShouldDo(Worker w)
        {
            Console.WriteLine("老年生活");
        }
    }

    class Worker
    {
        State state;
        int age;

        public Worker()
        {
            age = 1;
            state = new Young();
        }

        public int Age
        {
            get { return age; }
            set { age = value; }
        }

        public State State
        {
            get { return State; }
            set { state = value; }
        }

        public void DoWhatIShouldDo()
        {
            state.DoWhatIShouldDo(this);
        }
    }

    class Client
    {
        public static void Main()
        {
            Worker w = new Worker();
            w.Age = 5;
            w.DoWhatIShouldDo();
            w.Age = 45;
            w.DoWhatIShouldDo();
            w.Age = 80;
            w.DoWhatIShouldDo();
            Console.Read();
        }
    }
}

发表于 Disqus： 本文字数： 1.2k 阅读时长 ≈ 1 分钟 
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using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
using System.Configuration;

namespace ConsoleApplication1
{
    internal interface SportMan
    {
        void Come();
    }

    class ChineseSportMan : SportMan
    {
        public void Come()
        {
            Console.WriteLine("中国运动员来了~~~");
        }
    }

    class RussianSportMan : SportMan
    {
        public void Come()
        {
            Console.WriteLine("俄罗斯运动员来了~~~");
        }
    }

    class TheController
    {
        public static SportMan CreateSportMan()
        {
            //string s = (string)ConfigurationSettings.AppSettings["Nation"];
            return (SportMan) Assembly.Load("ConsoleApplication1")
                .CreateInstance("ConsoleApplication1." + ConfigurationSettings.AppSettings["Nation"].ToString());
            //ConfigurationSettings.AppSettings[];
            //return new ChineseSportMan();
        }
    }

    class Client
    {
        public static void Main()
        {
            TheController.CreateSportMan().Come();
            //s.Come();
            //SportMan  c=(SportMan)Assembly.Load("ConsoleApplication1").CreateInstance("ConsoleApplication1.ChineseSportMan");
            //c.Come();
        }
    }
}

设计模式---抽象工厂模式+反射+配置文件

发表于 Disqus： 本文字数： 2.3k 阅读时长 ≈ 2 分钟

设计模式---观察者模式（恐怖袭击、地震的例子，有类关系图）

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using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    internal interface Warning
    {
        String Situation { get; set; }
        void Warn();
        void Add(PeopleInSchool p);
        void Sub(PeopleInSchool p);
    }

    class PoliceStation : Warning
    {
        private IList<PeopleInSchool> field = new List<PeopleInSchool>();
        string situation;

        public string Situation
        {
            get { return situation; }
            set { situation = value; }
        }

        public void Warn()
        {
            foreach (PeopleInSchool p in field)
            {
                p.WarningReceived();
            }
        }

        public void Add(PeopleInSchool p)
        {
            field.Add(p);
        }

        public void Sub(PeopleInSchool p)
        {
            field.Remove(p);
        }
    }

    class EarthquakeDepartment : Warning
    {
        string situation;
        private IList<PeopleInSchool> field = new List<PeopleInSchool>();

        public string Situation
        {
            get { return situation; }
            set { situation = value; }
        }

        public void Warn()
        {
            foreach (PeopleInSchool p in field)
            {
                p.WarningReceived();
            }
        }

        public void Add(PeopleInSchool p)
        {
            field.Add(p);
        }

        public void Sub(PeopleInSchool p)
        {
            field.Remove(p);
        }
    }

    abstract class PeopleInSchool
    {
        protected Warning field;

        public PeopleInSchool(Warning w)
        {
            field = w;
        }

        public abstract void WarningReceived();
    }

    class Teacher : PeopleInSchool
    {
        public Teacher(Warning w)
            : base(w)
        {
        }

        public override void WarningReceived()
        {
            Console.WriteLine("我是老师" + field.Situation);
        }
    }

    class Student : PeopleInSchool
    {
        public Student(Warning w)
            : base(w)
        {
        }

        public override void WarningReceived()
        {
            Console.WriteLine("我是学生" + field.Situation);
        }
    }

    class Client
    {
        public static void Main()
        {
            PoliceStation p = new PoliceStation();
            Teacher t = new Teacher(p);
            Student s = new Student(p);
            p.Add(t);
            p.Add(s);
            p.Situation = "有恐怖袭击！！！";
            p.Warn();
            p.Situation = "注意防火防盗！！！";
            p.Warn();
            EarthquakeDepartment e = new EarthquakeDepartment();
            t = new Teacher(e);
            s = new Student(e);
            e.Add(t);
            e.Add(s);
            e.Situation = "要地震了！！！";
            e.Warn();
            Console.Read();
        }
    }
}

发表于 Disqus： 本文字数： 1.7k 阅读时长 ≈ 2 分钟 
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using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    abstract class Builder
    {
        public abstract void SetPrice();
        public abstract void SetName();
    }

    class TVBuilder : Builder
    {
        private RawMateria rm;

        public TVBuilder()
        {
            rm = new RawMateria();
        }

        public override void SetPrice()
        {
            rm.Price = "1500";
        }

        public override void SetName()
        {
            rm.Name = "TV";
        }

        public RawMateria GetTV()
        {
            return rm;
        }
    }

    class PCBuilder : Builder
    {
        private RawMateria rm;

        public PCBuilder()
        {
            rm = new RawMateria();
        }

        public override void SetName()
        {
            rm.Name = "PC";
        }

        public override void SetPrice()
        {
            rm.Price = "2000";
        }

        public RawMateria GetPC()
        {
            return rm;
        }
    }

    class RawMateria
    {
        String _name;
        String _price;

        public String Name
        {
            get { return _name; }
            set { _name = value; }
        }

        public String Price
        {
            get { return _price; }
            set { _price = value; }
        }

        public void Show()
        {
            Console.WriteLine(this.Name + "    " \ + this.Price );
        }
    }

    class Director
    {
        private PCBuilder pcbuilder = new PCBuilder();
        private TVBuilder tvbuilder = new TVBuilder();

        public RawMateria GiveMeTV()
        {
            tvbuilder.SetName();
            tvbuilder.SetPrice();
            return tvbuilder.GetTV();
        }

        public RawMateria GiveMePC()
        {
            pcbuilder.SetName();
            pcbuilder.SetPrice();
            return pcbuilder.GetPC();
        }
    }

    class Client
    {
        public static void Main()
        {
            Director d = new Director();
            d.GiveMePC().Show();
            d.GiveMeTV().Show();
            Console.Read();
        }
    }
}

设计模式---建造者（Builder）模式，有关系图

发表于 Disqus： 本文字数： 961 阅读时长 ≈ 1 分钟 
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using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    class Facade
    {
        private Func1 field1;
        private Func2 field2;

        public Facade()
        {
            field1 = new Func1();
            field2 = new Func2();
        }

        public void Method()
        {
            field1.Method();
            field1.Method1();
            field2.Method();
        }

        public void Method1()
        {
            field2.Method();
            field2.Method1();
            field1.Method();
        }
    }

    class Func1
    {
        public void Method()
        {
            Console.WriteLine("功能类1的方法1");
        }

        public void Method1()
        {
            Console.WriteLine("功能类1的方法2");
        }
    }

    internal class Func2
    {
        public void Method()
        {
            Console.WriteLine("功能类2的方法1");
        }

        public void Method1()
        {
            Console.WriteLine("功能类2的方法2");
        }
    }

    class Client
    {
        public static void Main()
        {
            Facade f = new Facade();
            f.Method();
            f.Method1();
            Console.Read();
        }
    }
}

发表于 Disqus： 本文字数： 729 阅读时长 ≈ 1 分钟

设计模式--模板方法模式（照旧，有类关系图）

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using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    public class TheFather
    {
        public void BaseMethod1()
        {
            Console.WriteLine("吃了吗？");
            BaseMethod2();
        }

        public virtual void BaseMethod2()
        {
        }
    }

    public class Son1 : TheFather
    {
        public override void BaseMethod2()
        {
            Console.WriteLine("吃了");
        }
    }

    public class Son2 : TheFather
    {
        public override void BaseMethod2()
        {
            Console.WriteLine("还没呢");
        }
    }

    public class Client
    {
        public static void Main()
        {
            TheFather obj = new Son1();
            obj.BaseMethod1();

            obj = new Son2();
            obj.BaseMethod1();

            Console.Read();
        }
    }
}

发表于 Disqus： 本文字数： 1.2k 阅读时长 ≈ 1 分钟

原型模式

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using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    public class Simple : ICloneable
    {
        private int field1;
        private int field2;

        public int Property1
        {
            get { return field1; }
            set { field1 = value; }
        }

        public int Property2
        {
            get { return field2; }
            set { field2 = value; }
        }

        public object Clone()
        {
            return this.MemberwiseClone();
        }
    }

    public class Complecated : ICloneable
    {
        private Simple simple;

        public Complecated()
        {
            simple = new Simple();
        }

        private Complecated(Simple s)
        {
            simple = (Simple) s.Clone();
        }

        public object Clone()
        {
            Complecated c = new Complecated(simple);
            return c;
        }

        public void SetMe(int a, int b)
        {
            simple.Property1 = a;
            simple.Property2 = b;
        }

        public void Show()
        {
            Console.WriteLine(simple.Property1);
            Console.WriteLine(simple.Property2);
        }
    }

    public class Client
    {
        public static void Main()
        {
            Complecated c = new Complecated();
            c.SetMe(1, 2);
            Complecated c2 = (Complecated) c.Clone();


            c2.SetMe(3, 4);

            c.Show();
            c2.Show();

            Console.Read();
        }
    }
}

发表于 Disqus： 本文字数： 1.2k 阅读时长 ≈ 1 分钟

工厂模式

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Client
    {
        public static void Main()
        {
            IFactory i = new AddFactory();
            Math oper = i.CreateOperation();
            oper.A = 5;
            oper.B = 10;
            Console.WriteLine(oper.DoTheMath());

            i = new SubFactory();
            oper = i.CreateOperation();
            oper.A = 10;
            oper.B = 3;
            Console.WriteLine(oper.DoTheMath());

            Console.Read();
        }
    }

    class Math
    {
        double _a;
        double _b;

        public double A
        {
            set { _a = value; }
            get { return _a; }
        }

        public double B
        {
            set { _b = value; }
            get { return _b; }
        }

        public virtual double DoTheMath()
        {
            return 0;
        }
    }

    class Add : Math
    {
        public override double DoTheMath()
        {
            return A + B;
        }
    }

    class Sub : Math
    {
        public override double DoTheMath()
        {
            return A - B;
        }
    }

    interface IFactory
    {
        Math CreateOperation();
    }

    class AddFactory : IFactory
    {
        public Math CreateOperation()
        {
            return new Add();
        }
    }

    class SubFactory : IFactory
    {
        public Math CreateOperation()
        {
            return new Sub();
        }
    }
}

发表于 Disqus： 本文字数： 663 阅读时长 ≈ 1 分钟

关系图

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Class1
    {
        public static void Main()
        {
            Proxy p = new Proxy();
            p.DoYourStuff();
            Console.Read();
        }
    }

    abstract class ProxyBase
    {
        public abstract void DoYourStuff();
    }

    class Subject : ProxyBase
    {
        public override void DoYourStuff()
        {
            Console.WriteLine("do my job");
        }
    }

    class Proxy : ProxyBase
    {
        Subject s;

        public override void DoYourStuff()
        {
            if (s == null)
            {
                s = new Subject();
            }

            s.DoYourStuff();
//throw new NotImplementedException();
        }
    }
}

发表于 Disqus： 本文字数： 1.2k 阅读时长 ≈ 1 分钟

ok

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Class1
    {
        public static void Main()
        {
            Person p = new Person("张三");

            Ring r = new Ring();
            EarRing er = new EarRing();
            NeckLace nl = new NeckLace();

            r.Decrate(p);
            er.Decrate(r);
            nl.Decrate(er);
            nl.Show();
            Console.Read();
        }
    }

    class Person
    {
        string name;

        public Person(string name)
        {
            this.name = name;
        }

        public Person()
        {
        } //重载一个没有参数的构造函数，给其他子类用

        public virtual void Show()
        {
            Console.WriteLine("{0}拥有以上装饰物品", name);
        }
    }

    class Decrator : Person
    {
        Person p;

        public override void Show()
        {
            p.Show();
        }

        public void Decrate(Person p)
        {
            this.p = p;
        }
    }

    class Ring : Decrator
    {
        public override void Show()
        {
            Console.WriteLine("戒指");
            base.Show();
        }
    }

    class EarRing : Decrator
    {
        public override void Show()
        {
            Console.WriteLine("耳环");
            base.Show();
        }
    }

    class NeckLace : Decrator
    {
        public override void Show()
        {
            Console.WriteLine("项链");
            base.Show();
        }
    }
}

发表于 Disqus： 本文字数： 868 阅读时长 ≈ 1 分钟 
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    abstract class OperSuper
    {
        public abstract double GetResult(double a, double b);
    }

    class Add : OperSuper
    {
        public override double GetResult(double a, double b)
        {
            return a + b;
        }
    }

    class Minus : OperSuper
    {
        public override double GetResult(double a, double b)
        {
            return a - b;
        }
    }

    class Context
    {
        OperSuper os = null;
        double A, B;

        public Context(OperSuper o, double a, double b)
        {
            os = o;
            A = a;
            B = b;
        }

        public double GetResult()
        {
            return os.GetResult(A, B);
        }
    }

    class client
    {
        public static void Main()
        {
            Context c = new Context(new Add(), 10, 20);
            Console.WriteLine(c.GetResult());
            c = new Context(new Minus(), 20, 10);
            Console.WriteLine(c.GetResult());
        }
    }
}

发表于 Disqus： 本文字数： 1.2k 阅读时长 ≈ 1 分钟

简单工厂的最最简单应用

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Calculate cal = factory.CreateOper("-");
            cal.A = 10;
            cal.B = 20;
            Console.WriteLine(cal.GetResult());

            cal = factory.CreateOper("+");
            cal.A = 10;
            cal.B = 20;
            Console.WriteLine(cal.GetResult());
        }
    }

    abstract class Calculate
    {
        double _NumA = 0;
        double _B = 0;

        public double A

        {
            get { return _NumA; }
            set { _NumA = value; }
        }

        public double B

        {
            get { return _B; }
            set { _B = value; }
        }

        public abstract double GetResult();
    }

    class Add : Calculate
    {
        public override double GetResult()
        {
            return A + B;
        }
    }

    class Minus : Calculate
    {
        public override double GetResult()
        {
            return A - B;
        }
    }

    class factory
    {
        public static Calculate
            CreateOper(string oper)
        {
            Calculate op = null;
            switch (oper)
            {
                case "+":

                    op = new Add();
                    break;

                case "-":

                    op = new Minus();
                    break;
            }

            return op;
        }
    }
}

发表于 Disqus： 本文字数： 349 阅读时长 ≈ 1 分钟

《编程之美——微软技术面试心得》“中国象棋的将帅问题”C#实现

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class Class1 {
	
	static byte counter = 81;
	
	static void Main(string[] a) {
		while (counter-- != 0) {
			if (counter / 9 % 3 == counter % 9 % 3)
				continue;
			else {
				System.Console.WriteLine("a=" + (counter / 9 + 1).ToString() + "b=" + (counter % 9 + 1).ToString());
			}
		}
		
		System.Console.Read();
	}
	
}

发表于 Disqus： 本文字数： 256 阅读时长 ≈ 1 分钟

适用于1.8GHZ左右的CPU 50%占用率

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class ManageCpu {
	staticvoid Main(string[] a) {
		int st = 0;
		while (true) {
			st = System.Environment.TickCount;
			
			while (System.Environment.TickCount - st < 90) {
			}
			
			System.Threading.Thread.Sleep(90);
		}
	}
}