行为型模式-备忘录memento

来源：互联网发布：淘宝商城质检报告编辑：程序博客网时间：2024/05/19 21:04
在不破坏封装性的前提下，捕获一个对象的内部状态，并在该对象之外保存这个状态。这样以后就可以将该对象恢复到原先保存的状态。
using System;using System.Collections.Generic;using System.Text;namespace 备忘录模式{    class Program    {        static void Main(string[] args)        {            //大战Boss前            GameRole lixiaoyao = new GameRole();            lixiaoyao.GetInitState();            lixiaoyao.StateDisplay();            //保存进度            RoleStateCaretaker stateAdmin = new RoleStateCaretaker();            stateAdmin.Memento = lixiaoyao.SaveState();            //大战Boss时，损耗严重            lixiaoyao.Fight();            lixiaoyao.StateDisplay();            //恢复之前状态            lixiaoyao.RecoveryState(stateAdmin.Memento);            lixiaoyao.StateDisplay();            Console.Read();        }    }    class GameRole    {        //生命力        private int vit;        public int Vitality        {            get { return vit; }            set { vit = value; }        }        //攻击力        private int atk;        public int Attack        {            get { return atk; }            set { atk = value; }        }        //防御力        private int def;        public int Defense        {            get { return def; }            set { def = value; }        }        //状态显示        public void StateDisplay()        {            Console.WriteLine("角色当前状态：");            Console.WriteLine("体力：{0}", this.vit);            Console.WriteLine("攻击力：{0}", this.atk);            Console.WriteLine("防御力：{0}", this.def);            Console.WriteLine("");        }        //保存角色状态        public RoleStateMemento SaveState()        {            return (new RoleStateMemento(vit, atk, def));        }        //恢复角色状态        public void RecoveryState(RoleStateMemento memento)        {            this.vit = memento.Vitality;            this.atk = memento.Attack;            this.def = memento.Defense;        }        //获得初始状态        public void GetInitState()        {            this.vit = 100;            this.atk = 100;            this.def = 100;        }        //战斗        public void Fight()        {            this.vit = 0;            this.atk = 0;            this.def = 0;        }    }    //角色状态存储箱    class RoleStateMemento    {        private int vit;        private int atk;        private int def;        public RoleStateMemento(int vit, int atk, int def)        {            this.vit = vit;            this.atk = atk;            this.def = def;        }        //生命力        public int Vitality        {            get { return vit; }            set { vit = value; }        }        //攻击力        public int Attack        {            get { return atk; }            set { atk = value; }        }        //防御力        public int Defense        {            get { return def; }            set { def = value; }        }    }    //角色状态管理者    class RoleStateCaretaker    {        private RoleStateMemento memento;        public RoleStateMemento Memento        {            get { return memento; }            set { memento = value; }        }    }}
0 0