static void Main(string[] args)
{
Light light = new Light(new Off());
Console.WriteLine("状态模式：");
Console.WriteLine("电灯状态：");
light.PressSwich();
light.PressSwich();
light.PressSwich();
Console.WriteLine();
Console.WriteLine("访问者模式：");
//药类型
Medicine a = new MedicineA("阿莫西林", 19.9, 3);
Medicine b = new MedicineB("土黄霉素", 5.3, 2);
//药单（将所需药品添加到药单中）
Presciption presciption = new Presciption();
presciption.add(a);
presciption.add(b);
Visitor charge = new Charge("张三"); //划价员访问者
Visitor workerOfPharmacy = new WorkerOfPharmacy("李四"); //药房工作者访问者
presciption.accpet(charge); //划价
presciption.accpet(workerOfPharmacy); //抓药
Console.WriteLine();
Console.WriteLine("观察者模式：");
//订阅号
Blog WeiBo = new MyBlog("微博", "发布了一篇新文章");
// 添加订阅者
WeiBo.AddObserver(new Subscriber("小张"));
WeiBo.Update();
Blog TengXun = new MyBlog("腾讯", "发布了一篇新闻");
TengXun.AddObserver(new Subscriber("小赵"));
//更新信息
TengXun.Update();
Console.WriteLine();
Console.WriteLine("原型模式：");
Resume x = new Resume("靖凡");
x.SetPersonalInfo("男", "42");
x.SetWorkExperience("2010--2018", "君和律师事务所");
Resume y = (Resume)x.Clone();
y.SetPersonalInfo("男", "34");
y.SetWorkExperience("2005--2010", "利兹律师事务所");
Resume z = (Resume)x.Clone();
z.SetPersonalInfo("男", "31");
z.SetWorkExperience("1998--2005", "明和律师事务所");
x.Display(); //x公司
y.Display(); //xx公司
z.Display(); //xxx公司
ConcretePrototype1 p1 = new ConcretePrototype1("124685");
ConcretePrototype1 c1 = (ConcretePrototype1)p1.Clone();
Console.WriteLine("Cloned: {0}", c1.Id);
ConcretePrototype2 p2 = new ConcretePrototype2("135472");
ConcretePrototype2 c2 = (ConcretePrototype2)p2.Clone();
Console.WriteLine("Cloned: {0}", c2.Id);
Console.WriteLine();
Console.WriteLine("单例模式：");
Singleton singleton1 = Singleton.Instance;
singleton1.GetShow();
Singleton singleton2 = Singleton.Instance;
singleton2.GetShow();
if (singleton1 == singleton2)
{
Console.WriteLine("ok");
}
else
{
Console.WriteLine("no");
}
Console.ReadKey();
}
public override void visitor(MedicineA a)
{
Console.WriteLine("划价员：" + this.name + "划价、给药：" + a.GetName() + "，单价：" + a.GetPrice() + "，总价格：" + a.GetSum());
}
public override void visitor(MedicineA a)
{
Console.WriteLine("药房工作者：" + this.name + "，抓药：" + a.GetName() + "，数量：" + a.GetCourt());
}
//访问者访问药品A、药品B public abstract void visitor(MedicineA a);
