public static SingletonDemo GetInstance()
{
if (instance == null)
{
instance = new SingletonDemo();
}
return(instance);
}
static void Main(string[] args)
{
#region//策略模式
//来创建
//策略是行为型模式,它的作用是让一个对象在许多行为中选择一种行为;
IStragety peo = new People();
Stragety stragety = new Stragety(peo);
stragety.DoThink("think");
Stragety stragetyDog = new Stragety(new Dog());
stragetyDog.DoThink("think");
#endregion
#region//简单工厂来创建
//简单工厂来创建 具体是何种动物
//工厂是创建型模式,它的作用就是创建对象；
Animal animal = null;
animal = SimpleFactory.ChooseAnimal("people");
#endregion
#region//策略模式 结合工厂模式
// 选择需要说话的动物
SimpleFactoryAndStragetyDemo SimpleFactoryAndStragetyDemo = new SimpleFactoryAndStragetyDemo("people");
SimpleFactoryAndStragetyDemo.Print();
#endregion
#region//策略模式 内对象 使用装饰
SimpleFactoryAndStragetyDemo.DoWalk();
#endregion
#region//装饰模式
//装饰模式，动态地给一个对象添加一些额外的职责，就增加功能来说，装饰模式比生成子类更为灵活。
//装饰模式来装饰人的动作
//现在走路
Decorator manWalk = new Walk(animal);
//扩展走路行为
manWalk.Print();
Console.WriteLine("----------------------\n");
Decorator manRun = new Walk(animal);
//扩展跑步行为
manRun.Print();
Console.WriteLine("----------------------\n");
//边走边跑
Walk walk = new Walk(animal);
Run runAndwalk = new Run(walk);
runAndwalk.Print();
Console.WriteLine("----------------------\n");
#endregion
#region//代理模式
//代理模式，为其他对象提供一种代理以控制对这个对象的访问。
//（远程代理webservice，虚拟代理（html懒加载），安全代理访问权限，智能指引代理处理其他的事）
//代理模式 隐藏了男士。
//逻辑 男士 找 朋友 送花给女士
Woman beautifulGirl = new Woman();
beautifulGirl.name = "beautiful";
Friend friend = new Friend(beautifulGirl);
#endregion
#region //代理模式增加装饰
//用装饰 给他加个说话功能
Decorator friendTalk = new Talk(friend, friend.name + " say ");
friendTalk.Print();
Console.WriteLine("----------------------\n");
friend.GiveFlower();
friend.GiveMoney();
Console.WriteLine("----------------------\n");
#endregion
#region//简单工厂
//简单工厂 直接使用 接口 IFactory 来展示
//工厂方法模式，定义一个用于创建对象的接口，让子类决定实例化哪一个类。工厂方法使一个类的实例
//化延迟到其子类、
IFactory factory = new PeopleFactory();
Animal animalfactory = factory.CreateAnimal();
animalfactory.Print();
#endregion
#region //原型模式 克隆模式 深复制与浅复制
//原型模式，用原型实例指定创建对象的种类，并且通过拷贝这些原型创建新的对象。
//克隆模式 浅复制 ， string等引用类型直接复制原来的引用
//浅复制，被复制对象的所有变量都含有与原来的对象相同的值，
//而所有的对其他对象的引用都仍然指向原来的对象。
ClonePeople clonePeople1 = new ClonePeople();
ClonePeople clonePeople2 = (ClonePeople)clonePeople1.clone();
Console.WriteLine(clonePeople1.name + "-" + clonePeople2.name + "\n");
//C# 克隆接口 浅复制
_ClonePeople _clonePeople = new _ClonePeople();
_clonePeople.SetPeopleInfo("scb", "man", "24");
_ClonePeople _clonePeople2 = (_ClonePeople)_clonePeople.Clone();
//浅复制，被复制对象的所有变量都含有与原来的对象相同的值，
//而所有的对其他对象的引用都仍然指向原来的对象。
//原来的值也发生了变化
_clonePeople.SetPeopleInfo("zcy", "woman", "22");
_clonePeople.GetPeopleInfo();
_clonePeople2.GetPeopleInfo();
//C# 克隆接口 深复制 需要些虚拟方法，需要重写Clone函数。
_ClonePeopleDeep _clonePeopleDeep = new _ClonePeopleDeep();
_clonePeopleDeep.SetPeopleInfo("scb", "man", "24");
_ClonePeopleDeep _clonePeopleDeep2 = (_ClonePeopleDeep)_clonePeopleDeep.Clone();
_clonePeopleDeep2.SetPeopleInfo("zcy", "woman", "22");
_clonePeopleDeep.GetPeopleInfoDeep();
_clonePeopleDeep2.GetPeopleInfoDeep();
Console.WriteLine(_clonePeopleDeep.name + "-" + _clonePeopleDeep2.name + "\n");
#endregion
#region//模板模式
//模板模式 paper1的试卷 重写paper2
//模板方法模式，定义一个操作中的算法的骨架，而将一些步骤延迟到子类中。模板方法使得子类可以
//不改变一个算法的结构即可重定义该算法的某些特定步骤。
TestPaper paper1 = new PaperA();
paper1.Question1();
paper1.Question2();
paper1.Question3();
AbstractClass ABC;
ABC = new ClassA();
ABC.TemplateMethod();
ABC = new ClassB();
ABC.TemplateMethod();
#endregion
#region//外观模式
FacadeDemo facade = new FacadeDemo();
facade.MethodA();
facade.MethodB();
#endregion
#region//建造者模式
ThinPeople thinPeople = new ThinPeople(new People());
PersonDirector pdthin = new PersonDirector(thinPeople);
pdthin.CreatePerson();
FatPeople fatPeople = new FatPeople(new People());
PersonDirector pdfat = new PersonDirector(fatPeople);
pdfat.CreatePerson();
#endregion
#region//观察者模式
//观察者
ConcreteSubject Subject = new ConcreteSubject();
//用户2个
ConcreteObserver scbObserver = new ConcreteObserver("scb", Subject);
ConcreteObserver zcyObserver = new ConcreteObserver("zcy", Subject);
Subject.Attach(scbObserver);
Subject.Attach(zcyObserver);
//观察者 通知。
Subject.SubjectState = "老板回来了！";
Subject.Notify();
#endregion
#region//委托
//委托
Boss huhansan = new Boss();
GameObserver game = new GameObserver("scb", huhansan);
MovieObserver movie = new MovieObserver("zcy", huhansan);
huhansan.Update += new EventHandeler(game.CloseGame);
huhansan.Update += new EventHandeler(movie.CloseMovie);
//老板回来
huhansan.SubjectState = "我胡汉三回来了";
//通知
huhansan.Notify();
#endregion
#region//抽象工厂模式
User user = new User();
Department dept = new Department();
IAbstractFactory fa = new SqlServerFactory();
//IAbstractFactory fa = new AccessFactory();
IUser iu = fa.CreateUser();
iu.Insert(user);
iu.GetUser(1);
IDepartment id = fa.CreateDepartment();
id.Insert(dept);
id.GetDepartment(1);
#endregion
#region//用简单工厂 改造 上面的 抽象工厂
Console.WriteLine("---------下面是简单工厂改造-----\n");
IUser ius = DataBaseDemo.CreateUser();
ius.Insert(user);
ius.GetUser(1);
#endregion
#region//反射
Console.WriteLine("---------下面是反射-------------\n");
//反射
IUser iuser = ReflexDataBaseDemo.CreateUser();
iuser.Insert(user);
iuser.GetUser(1);
#endregion
#region//状态模式
//状态模式 将每个状态都分成类。
Work project = new Work();
project.Hour = 9;
project.WriteProgram();
project.Hour = 12;
project.WriteProgram();
project.Hour = 14;
project.WriteProgram();
project.Hour = 17;
project.TaskFinished = true;
project.WriteProgram();
project.Hour = 19;
project.WriteProgram();
project.Hour = 22;
project.WriteProgram();
#endregion
#region//适配器模式
Target target = new Adapter();
target.Request();
#endregion
#region//备忘录模式
GameRole boss = new GameRole();
boss.GetInitState();
boss.StateDisplay();
//备份
RoleStateCaretaker bossbackup = new RoleStateCaretaker();
bossbackup.memnto = boss.SaveState();
//消耗
boss.Fight();
boss.StateDisplay();
//读取备份
boss.RecoveryState(bossbackup.memnto);
boss.StateDisplay();
#endregion
#region//组合模式
Composite root = new Composite("root");
root.Add(new Leaf("Leaf A"));
root.Add(new Leaf("Leaf B"));
Composite comp = new Composite("Composite X");
comp.Add(new Leaf("Leaf XA"));
comp.Add(new Leaf("Leaf XB"));
root.Add(comp);
Composite comp2 = new Composite("Composite XY");
comp2.Add(new Leaf("Leaf XYA"));
comp2.Add(new Leaf("Leaf XYB"));
root.Add(comp2);
root.Add(new Leaf("Leaf C"));
Leaf leaf = new Leaf("Leaf D");
root.Add(leaf);
root.Remove(leaf);
root.Display(1);
#endregion
#region //迭代器模式
ConcreteAggregate a = new ConcreteAggregate();
a[0] = "a1";
a[1] = "a2";
a[2] = "a3";
a[3] = "a4";
a[4] = "a5";
a[5] = "a6";
//一直新增
//申明迭代器
Iterator i = new ConcreteIterator(a);
object item = i.First();
while (!i.IsDone())
{
Console.Write("{0} buy!", i.CurrentItem());
i.Next();
}
Console.WriteLine("\n");
#endregion
#region //单例模式
//类里面写多中方法，包括C#自带的方法，以及懒汉式与饿汉式的单例类
//懒汉式 在第一次被引用的时候，将自己实例化。
//饿汉式 在自己被加载的时候就将自己实例化。
SingletonDemo s1 = SingletonDemo.GetInstance();
SingletonDemo s2 = SingletonDemo.GetInstance();
if (s1 == s2)
{
Console.WriteLine("两个对象是相同的实例。\n");
}
#endregion
#region//桥接模式
//桥接模式，将抽象部分与它的实现部分分离，使他们都可以独立的变化。
//实现系统有多角度分类，每一种分类都可能变化，那么就把这种多角度分离出来让它们独立变化，减少它们之间的耦合。
Abstraction ab = new RefinedAbstraction();
ab.SetImplementor(new ConcreteImplmentorA());
ab.Operation();
ab.SetImplementor(new ConcreteImplmentorB());
ab.Operation();
#endregion
#region //命令模式
//命令模式，Command ，将一个请求封装为一个对象，从而使你可用不同的请求对客户进行参数化；
//对请求排队或记录请求日志，以及支持可撤销的操作
//开店烧烤 DEMO
Barbecuer boy = new Barbecuer();
CommandDemo bakeMuttonCommand1 = new BakeMuttonCommand(boy);
CommandDemo bakeMuttonCommand2 = new BakeMuttonCommand(boy);
CommandDemo backChickenWingCommand1 = new BakeChickenCommand(boy);
Waiter girl = new Waiter();
//开门营业
girl.SetOrder(bakeMuttonCommand1);
girl.SetOrder(bakeMuttonCommand2);
girl.SetOrder(backChickenWingCommand1);
girl.Notify();
//正规代码示例
Receiver r = new Receiver();
Command c = new ConcreteCommand(r);
Invoker invoker = new Invoker();
invoker.SetCommand(c);
invoker.ExecuteCommand();
#endregion
#region//职责链模式
//使多个对象都有机会处理请求，从而避免请求的发送者和接受者之间的耦合关系。
//将这个对象连成一条链，并沿着这条链传递该请求，直到有一个对象处理它为止。
CommonManager jingli = new CommonManager("经理");
Majordomo zongjian = new Majordomo("总监");
GeneralManager zongjingli = new GeneralManager("总经理");
//设置上级可以随意控制
jingli.SetSuccessor(zongjian);
zongjian.SetSuccessor(zongjingli);
//发送具体请求
Request request = new Request();
request.RequestType = "请假";
request.RequestContent = "scb请假";
request.Number = 1;
jingli.RequestApplications(request);
Request request2 = new Request();
request2.RequestType = "请假";
request2.RequestContent = "scb请假";
request2.Number = 4;
jingli.RequestApplications(request2);
Request request3 = new Request();
request3.RequestType = "加薪";
request3.RequestContent = "scb请求加薪";
request3.Number = 500;
jingli.RequestApplications(request3);
Request request4 = new Request();
request4.RequestType = "加薪";
request4.RequestContent = "scb请求加薪";
request4.Number = 1000;
jingli.RequestApplications(request4);
#endregion
#region//中介者模式
//中介对象
ConcreteMediator m = new ConcreteMediator();
//都知道中介对象
ConcreteColleague1 c1 = new ConcreteColleague1(m);
ConcreteColleague2 c2 = new ConcreteColleague2(m);
//中介者认识对象
m.colleague1 = c1;
m.colleague2 = c2;
c1.Send("吃饭了吗？");
c2.Send("没有，你要请客吗？");
#endregion
#region //享元模式
int extrinsicstate = 22;
FlyweightFactory f = new FlyweightFactory();
Flyweight fx = f.GetFlyweight("X");
fx.Operationg(--extrinsicstate);
Flyweight fy = f.GetFlyweight("Y");
fx.Operationg(--extrinsicstate);
Flyweight fz = f.GetFlyweight("Z");
fx.Operationg(--extrinsicstate);
UnsharedConcreteFlyweight uf = new UnsharedConcreteFlyweight();
uf.Operationg(--extrinsicstate);
WebSiteFactory fw = new WebSiteFactory();
WebSite fwx = fw.GetWebSiteCategory("产品展示");
fwx.Use(new WebSiteUser("scb"));
WebSite fwy = fw.GetWebSiteCategory("产品展示");
fwx.Use(new WebSiteUser("six"));
WebSite fwz = fw.GetWebSiteCategory("博客");
fwx.Use(new WebSiteUser("666"));
Console.WriteLine("得到网站分类总数为{0}", fw.GetWebSiteCount());
#endregion
#region //解释器模式
Context context = new Context();
IList <AbstractExpression> list = new List <AbstractExpression>();
list.Add(new TerminalExpression());
list.Add(new NoterminalExpression());
list.Add(new TerminalExpression());
list.Add(new TerminalExpression());
foreach (AbstractExpression exp in list)
{
exp.Interpret(context);
}
#endregion
#region //访问器模式
ObjectStructure o = new ObjectStructure();
o.Attach(new ManPerson());
o.Attach(new WoManPerson());
//成功反应
Success v1 = new Success();
o.Display(v1);
//失败时的反应
Failing v2 = new Failing();
o.Display(v2);
ObjectStructureVisitor oVisitor = new ObjectStructureVisitor();
oVisitor.Attach(new ConcreteElementA());
oVisitor.Attach(new ConcreteElementB());
ConcreteVisitor1 vc1 = new ConcreteVisitor1();
ConcreteVisitor2 vc2 = new ConcreteVisitor2();
oVisitor.Accept(vc1);
oVisitor.Accept(vc2);
#endregion
#region//委托实例。
Cat cat = new Cat("Tom");
Mouse mouse1 = new Mouse("Jerry");
Mouse mouse2 = new Mouse("Jack");
cat.CatShout += new Cat.CatShoutEventHandler(mouse1.Run);
cat.CatShout += new Cat.CatShoutEventHandler(mouse2.Run);
cat.Shout();
#endregion
Console.ReadLine();
}