添加Lesson12

2025-10-17 10:27:36 +08:00
parent 301c345a6a
commit 657a23e681
5 changed files with 327 additions and 0 deletions
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
@@ -0,0 +1,117 @@
+namespace Lesson12_委托练习
+{
+    #region 第一题
+    abstract class Person()
+    {
+        public abstract void Eating();
+    }
+    
+    class Mother : Person
+    {
+        public Action beginEat;
+
+        public void Cooking()
+        {
+            Console.WriteLine("妈妈做饭");
+            if (beginEat != null)
+            {
+                beginEat();
+            }
+        }
+        public override void Eating()
+        {
+            Console.WriteLine("妈妈吃饭");
+            
+        }
+    }
+    class Father : Person
+    {
+        public override void Eating()
+        {
+            Console.WriteLine("爸爸吃饭");
+        }
+    }
+    class Son : Person
+    {
+        public override void Eating()
+        {
+            Console.WriteLine("孩子吃饭");
+        }
+    }
+    #endregion
+    class Monster
+    {
+        //当怪物死亡时，把自己作为参数传出去
+        public Action<Monster> deadDoSomething;
+        public int money = 10;
+        public void Dead()
+        {
+            Console.WriteLine("怪物死亡");
+            if (deadDoSomething != null)
+            {
+                deadDoSomething(this);
+            }
+            
+            deadDoSomething = null;//清空所需要做的事情（在这里就是怪物的击杀奖励已经领取了不要重复刷
+                                   //一般有加就有减
+        }
+    }
+    class Player
+    {
+        private int money = 0;
+        public void MonsterDeadDoSomething(Monster m)
+        {
+            this.money += m.money;
+            Console.WriteLine("玩家获得了" + m.money + "金币");
+        }
+    }
+    class Panel
+    {
+        private int showNowMoney = 0;
+        public void MonsterDeadDoSomething(Monster m)
+        {
+            this.showNowMoney += m.money;
+            Console.WriteLine("面板显示当前金币" + showNowMoney);
+        }
+    }
+    class Achievement
+    {
+        private int nowKillMonsterNum = 0;
+        public void MonsterDeadDoSomething(Monster m)
+        {
+            nowKillMonsterNum += 1;
+            Console.WriteLine("当前击杀了" + nowKillMonsterNum + "个怪物");
+        }
+    }
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello, World!");
+            #region 第一题
+            Mother mother = new Mother();
+            Father father = new Father();
+            Son son = new Son();
+
+            mother.beginEat += father.Eating;
+            mother.beginEat += son.Eating;
+            mother.beginEat += mother.Eating;
+
+            mother.Cooking();
+            Console.WriteLine("_______________________");
+            #endregion
+
+            Monster m = new Monster();
+            Player p = new Player();
+            Panel panel = new Panel();
+            Achievement achievement = new Achievement();
+
+            m.deadDoSomething += p.MonsterDeadDoSomething;
+            m.deadDoSomething += panel.MonsterDeadDoSomething;
+            m.deadDoSomething += achievement.MonsterDeadDoSomething;
+            m.Dead();
+            m.Dead();
+        }
+        
+    }
+}