修改Lesson13名称

添加Lesson13练习
2025-09-09 15:40:24 +08:00
parent 307b255d02
commit 4a47573851
6 changed files with 280 additions and 1 deletions
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Lesson13_继承_里氏替换原则练习</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
@@ -0,0 +1,134 @@
+namespace Lesson13_继承_里氏替换原则练习
+{
+    class Monster
+    {
+
+    }
+    class Boss : Monster
+    {
+        public void Skill()
+        {
+            Console.WriteLine("Boss释放了技能");
+        }
+    }
+    class Goblin : Monster
+    {
+        public void Atk()
+        {
+            Console.WriteLine("小怪释放了攻击");
+        }
+    }
+    class Weapon
+    {
+        
+    }
+    class SMG : Weapon
+    {
+        public void Shot()
+        {
+            Console.WriteLine("SMG shot");
+        }
+    }
+    class Shotgun : Weapon
+    {
+        public void Shot()
+        {
+            Console.WriteLine("Shotgun shot");
+        }
+    }
+    class Pistol : Weapon
+    {
+        public void Shot()
+        {
+            Console.WriteLine("Pistol shot");
+        }
+    }
+    class Knife : Weapon
+    {
+        public void Attack()
+        {
+            Console.WriteLine("Knife Attack");
+        }
+    }
+    class Player
+    {
+        private Weapon nowWeapon;
+
+        public Player()
+        {
+            nowWeapon = new Knife();
+        }
+        public void PickUp(Weapon newWeapon)
+        {
+            nowWeapon = newWeapon;
+        }
+        public void Attack()
+        {
+            if (nowWeapon == null)
+            {
+                Console.WriteLine("你没有武器");
+            }else if (nowWeapon is Knife)
+            {
+                (nowWeapon as Knife).Attack();
+            }else if(nowWeapon  is Pistol)
+            {
+                (nowWeapon as Pistol).Shot();
+            }
+            else if (nowWeapon is Shotgun)
+            {
+                (nowWeapon as Shotgun).Shot();
+            }
+            else if (nowWeapon is SMG)
+            {
+                (nowWeapon as SMG).Shot();
+            }
+            else
+            {
+                Console.WriteLine("ERROR");
+            }
+        }
+    }
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello, World!");
+            Random r = new Random();
+            
+            Monster[] m = new Monster[10];
+            for (int i = 0; i < m.Length; i++)
+            {
+                if (r.Next(1, 101) < 50)
+                {
+                    m[i] = new Boss();
+                }
+                else
+                {
+                    m[i] = new Goblin();
+                }
+            }
+            for (int i = 0;i < m.Length;i++)
+            {
+                if (m[i] is Boss)
+                {
+                    (m[i] as Boss).Skill();
+                }else if (m[i] is Goblin)
+                {
+                    (m[i] as Goblin).Atk();
+                }
+                else
+                {
+                    Console.WriteLine("Error");
+                }
+            }
+
+
+            Console.WriteLine();
+            Player p1 = new Player();
+            p1.Attack();
+            SMG smg1 = new SMG();
+            p1.PickUp(smg1);
+            p1.Attack();
+        }
+    }
+}