设计模式实例-模板方法模式

using System;
namespace Ahoo.Demo.DesignPatterns.Patterns.TemplateMethod
{
    /*######模板方法模式####### * 定义算法骨架， * 并将一些步骤延迟到子类中。 * 模板方法可使子类不改变算法结构即可重新定义该算法的某些特定步骤 */
    /// <summary>
    /// 抽象模板类
    /// </summary>
    public abstract class AbstractClass
    {
        protected abstract void Do1();
        protected abstract void Do2();

        public void Execute()
        {
            Do1();
            Do2();
            Do3();
        }

        protected void Do3()
        {
            Console.WriteLine("Do3！");
        }
    }

    /// <summary>
    /// 子类实现抽象模板类的抽象方法
    /// </summary>
    public class ConcreteAClass : AbstractClass
    {

        protected override void Do1()
        {
            Console.WriteLine("Do1 For A！");
        }

        protected override void Do2()
        {
            Console.WriteLine("Do2 For A！");
        }
    }
    public class ConcreteBClass : AbstractClass
    {
        protected override void Do1()
        {
            Console.WriteLine("Do1 For B！");
        }

        protected override void Do2()
        {
            Console.WriteLine("Do2 For B！");
        }
    }

    public class Client
    {
        public static void Excute()
        {
            AbstractClass abClss = new ConcreteAClass();
            abClss.Execute();

            abClss = new ConcreteBClass();
            abClss.Execute();
        }
    }
}