迭代器模式-坦克大战-c#

最新推荐文章于 2025-08-13 15:39:34 发布

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本文介绍了一种设计模式——迭代器模式，它允许以统一的方式遍历聚合对象的元素，而无需暴露对象的内部结构。通过C#代码示例，展示了如何实现迭代器模式，包括定义接口、具体聚合类和客户端类。

概要

提供一种方法顺序访问一个聚合对象中各个元素, 而又不需暴露该对象的内部表示。

类图

迭代器模式

运行

代码

using System;

namespace 迭代器模式
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
            Client client = new Client();
            client.main();
            Console.ReadLine();
        }
    }
    class Function
    {
        string function;
        public Function(string fun)
        {
            this.function = fun;
        }
        public void exe()
        {
            Console.WriteLine(function);    
        }
    }
    class Item
    {
        public int index = 0;
        public Item hou = null;
        public Function data = null;
    }
    class Aggregate
    {
        private Item first = null;
        private Item curent = null;
        private Item last = null;
        public void add(Function function) {
            Item item = new Item();
            item.data = function;
            if (this.last == null)
            {
                this.last = item;
                this.first = item;
            }
            else
            {
                this.last.hou = item;
                this.last = item;
            }
        }
        public void initCurent()
        {
            curent = first;
        }
        public Function getNext()
        {
            if(this.curent == null)
            {
                return null;
            }
            Function fun = this.curent.data;
            this.curent = this.curent.hou;
            return fun;
        }
    }
    class Tank
    {
        Aggregate aggregate = new Aggregate();
        public void exe()
        {
            bool flag = true;
            this.aggregate.initCurent();
            while (flag)
            {
                Function function = this.aggregate.getNext();
                if(function != null)
                {
                    function.exe();
                }
                else{
                    flag = false;
                }
            }
        }
        public void add(Function function)
        {
            aggregate.add(function);
        }
    }
    class Client
    {
        public void main()
        {
            Tank tank = new Tank();
            tank.add(new Function("射击"));
            tank.add(new Function("跑"));
            tank.add(new Function("红外瞄准"));
            tank.exe();
        }
    }
}

代码优化

运行

代码

using System;

namespace 迭代器模式
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
            Client client = new Client();
            client.main();
            Console.ReadLine();
        }
    }
    // 接口层
    interface IFunction
    {
        void exe();
    }
    class Function: IFunction
    {
        string function;
        public Function(string fun)
        {
            this.function = fun;
        }
        public void exe()
        {
            Console.WriteLine(function);    
        }
    }
    interface IAggregate
    {
        void add(IFunction function);
        void initCurent();
        IFunction getNext();
    }
    // 具体层
    class Aggregate : IAggregate
    {
        class Item
        {
            public Item hou = null;
            public IFunction data = null;
        }
        private Item first = null;
        private Item curent = null;
        private Item last = null;
        public void add(IFunction function) {
            Item item = new Item();
            item.data = function;
            if (this.last == null)
            {
                this.last = item;
                this.first = item;
            }
            else
            {
                this.last.hou = item;
                this.last = item;
            }
        }
        public void initCurent()
        {
            curent = first;
        }
        public IFunction getNext()
        {
            if(this.curent == null)
            {
                return null;
            }
            IFunction fun = this.curent.data;
            this.curent = this.curent.hou;
            return fun;
        }
    }
    class Tank : IFunction
    {
        Aggregate aggregate = new Aggregate();
        public void exe()
        {
            bool flag = true;
            this.aggregate.initCurent();
            while (flag)
            {
                IFunction function = this.aggregate.getNext();
                if(function != null)
                {
                    function.exe();
                }
                else{
                    flag = false;
                }
            }
        }
        public void add(Function function)
        {
            aggregate.add(function);
        }
    }
    // 客户端
    class Client
    {
        public void main()
        {
            Tank tank = new Tank();
            tank.add(new Function("射击"));
            tank.add(new Function("跑"));
            tank.add(new Function("红外瞄准"));
            tank.exe();
        }
    }
}

附件信息

英语

template
n. 模板，样板 ;
method
n. 方法; 条理; 类函数; adj. 使用体验派表演方法的
primitive
adj. 原始的，远古的; 简单的，粗糙的; n. 原始人
operation
n. 操作; 经营; [外科] 手术; [数][计] 运算
concrete
adj. 混凝土的; 实在的，具体的; 有形的; vi. 凝结; vt. 使凝固; 用混凝土修筑;