修饰模式（Decorator结构型）C#简单例子

修饰模式（Decorator结构型）C#简单例子

玩家基本功能是移动、运行等等。BaseAbility
新增加功能：1、伤害技能harmAbility；2、阻碍技能BaulkAbility；3、辅助技能assistAbility
玩家1增加伤害技能 Decorator harm = new HarmAbility(baseAbility);
玩家2增加伤害技能、阻碍技能 Decorator baulk = new BaulkAbility(harm);
玩家3增加伤害技能、阻碍技能和辅助技能 Decorator assist = new AssistAbility(baulk);

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100

namespace adapterpattern {     public partial class DecoratorForm : Form     {         public DecoratorForm()         {             InitializeComponent();         }           private void btnDisplay_Click(object sender, EventArgs e)         {             BaseAbility baseAbility = new BaseOperation();             baseAbility.Run();             listBox1.Items.Add(baseData.baseString);               baseData.baseString = "";             listBox1.Items.Add("***********玩家1新功能：伤害**************");             Decorator harm = new HarmAbility(baseAbility);             harm.Run();             listBox1.Items.Add(baseData.baseString);               baseData.baseString = "";             listBox1.Items.Add("***********玩家2新功能：伤害和阻碍**************");             Decorator baulk = new BaulkAbility(harm);             baulk.Run();             listBox1.Items.Add(baseData.baseString);               baseData.baseString = "";             listBox1.Items.Add("***********玩家3新功能：伤害、阻碍、辅助**************");             Decorator assist = new AssistAbility(baulk);             assist.Run();             listBox1.Items.Add(baseData.baseString);         }     }       public abstract class BaseAbility    //抽象的基础功能     {         public abstract void Run();     }     public class BaseOperation : BaseAbility//实体基础功能     {         public override void Run()         {             baseData.baseString += "---移动---";             baseData.baseString += "----运行----";         }     }     public abstract class Decorator : BaseAbility//接口继承     {         private BaseAbility baseAbility;//Has—A对象组合         public Decorator(BaseAbility baseAbility)//装饰连接点         {             this.baseAbility = baseAbility;         }         public override void Run()         {             baseAbility.Run();         }     }     public class baseData//数据中转站     {         public static string baseString { get; set; }     }     public class HarmAbility : Decorator//增加伤害技能     {         public HarmAbility(BaseAbility baseAbility)             : base(baseAbility)         { }         public override void Run()//增加伤害         {             // base.Move();             base.Run();             baseData.baseString += "-----伤害-----";         }     }     public class BaulkAbility : Decorator//增加阻碍技能     {           public BaulkAbility(BaseAbility baseAbility)             : base(baseAbility)         { }         public override void Run()//增加阻碍         {             //   base.Move();             base.Run();             baseData.baseString += "-----阻碍-----";         }     }     public class AssistAbility : Decorator//增加辅助技能     {         public AssistAbility(BaseAbility baseAbility)             : base(baseAbility)         { }         public override void Run()         {             base.Run();             baseData.baseString += "-----辅助-----";         }     } }