添加Lesson19

2025-09-14 16:31:09 +08:00
parent c16355e935
commit 372d55923a
5 changed files with 408 additions and 0 deletions
@@ -0,0 +1,185 @@
+using Lesson19_多态_接口练习;
+
+namespace Lesson19_多态_接口练习
+{
+    interface ICheck
+    {
+        public void Check();
+    }
+    class Person : ICheck
+    {
+        public void Check()
+        {
+            Console.WriteLine("派出所登记");
+        }
+    }
+    class Car
+    {
+        public void Check()
+        {
+            Console.WriteLine("车管所登记");
+        }
+    }
+    class House
+    {
+        public void Check()
+        {
+            Console.WriteLine("房管局登记");
+        }
+    }
+
+
+    interface IFly
+    {
+        public void Fly();
+    }
+    interface IWalk
+    {
+        public void Walk();
+    }
+    interface ISwim
+    {
+        public void Swim();
+    }
+
+    class Sparrow : IFly, IWalk
+    {
+        public void Fly()
+        {
+            Console.WriteLine("麻雀飞");
+        }
+        public void Walk()
+        {
+            Console.WriteLine("麻雀走");
+        }
+    }
+    class Ostrich : IWalk
+    {
+        public void Walk()
+        {
+            Console.WriteLine("鸵鸟走");
+        }
+    }
+    class Penguin : IWalk, ISwim
+    {
+        public void Walk()
+        {
+            Console.WriteLine("企鹅走");
+        }
+        public void Swim()
+        {
+            Console.WriteLine("企鹅游泳");
+        }
+    }
+    class Parrot : IFly, IWalk
+{
+        public void Fly()
+        {
+            Console.WriteLine("鹦鹉飞");
+        }
+        public void Walk()
+        {
+            Console.WriteLine("走");
+        }
+    }
+    class Helicopter : IFly
+    {
+        public void Fly()
+        {
+            Console.WriteLine("直升机飞");
+        }
+    }
+    class Swan : IFly, IWalk, ISwim
+    {
+        public void Fly()
+        {
+            Console.WriteLine("天鹅飞");
+        }
+        public void Walk()
+        {
+            Console.WriteLine("天鹅走");
+        }
+        public void Swim()
+        {
+            Console.WriteLine("天鹅游泳");
+        }
+    }
+
+
+    interface IUSB
+    {
+        void ReadData();
+    }
+
+    class StorageDevice : IUSB
+    {
+        public string name;
+        public StorageDevice(string name)
+        {
+            this.name = name;
+        }
+        public void ReadData()
+        {
+            Console.WriteLine("USB{0}传输数据",name);
+        }
+    }
+
+    class MP3 : IUSB
+    {
+        public void ReadData()
+        {
+            Console.WriteLine("MP3传输数据");
+        }
+    }
+    class Computer
+    {
+        public IUSB usb1;
+    }
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello, World!");
+            Person p1= new Person();
+            p1.Check();
+            Car c1 = new Car();
+            c1.Check();
+            House h1  = new House();
+            h1.Check();
+
+            Sparrow s1 = new Sparrow();
+            s1.Walk();
+            s1.Fly();
+            Ostrich o1 = new Ostrich();
+            o1.Walk();
+            Penguin p2 = new Penguin();
+            p2.Swim();
+            p2.Walk();
+            Parrot p3 = new Parrot();
+            p3.Walk();
+            p3.Fly();
+            Helicopter h2 = new Helicopter();
+            h2.Fly();
+            Swan s3  = new Swan();
+            s3.Walk();
+            s3.Fly();
+            s3.Swim();
+
+            StorageDevice hd = new StorageDevice("移动硬盘");
+            StorageDevice ud = new StorageDevice("U盘");
+            MP3 mp3 = new MP3();
+            Computer computer = new Computer();
+
+            computer.usb1 = hd;
+            computer.usb1.ReadData();
+
+            computer.usb1 = ud;
+            computer.usb1.ReadData();
+
+            computer.usb1 = mp3;
+            computer.usb1.ReadData();
+
+
+        }
+    }
+}