C#里氏转换练习(随机类型转换和对应方法调用)

叁歲伎倆 2022-12-03 13:14 141阅读 0赞

using System;
    using System.Collections.Generic;
    
    namespace oop05_里式转换
    {
        class Program
        {
            static void Main(string[] args)
            {
                Person[] per = new Person[10];
                Random rd = new Random();
                for (int i = 0; i < per.Length; i++)
                {
                    int rdNumber = rd.Next(1, 7);
                    switch (rdNumber)
                    {
                        case 1:
                            per[i] = new Student();
                            break;
                        case 2:
                            per[i] = new Teacher();
                            break;
                        case 3:
                            per[i] = new Handsome();
                            break;
                        case 4:
                            per[i] = new Beauty();
                            break;
                        case 5:
                            per[i] = new Beast();
                            break;
                        case 6:
                            per[i] = new Person();
                            break;
                    }
                }
    
                for (int i = 0; i < per.Length; i++)
                {
                    if (per[i] is Student)
                    {
                        ((Student)per[i]).StudentSayHi();
                    }
                    else if (per[i] is Teacher)
                    {
                        ((Teacher)per[i]).TeacherSayHi();
                    }
                    else if (per[i] is Handsome)
                    {
                        ((Handsome)per[i]).HandsomeSayHi();
                    }
                    else if (per[i] is Beauty)
                    {
                        ((Beauty)per[i]).BeautySayHi();
                    }
                    else if (per[i] is Beast)
                    {
                        ((Beast)per[i]).BeastSayHi();
                    }
                    else
                    {
                        per[i].PersonSayHi();
                    }
                }
    
                Console.ReadKey();
            }
        }
    
        public class Person
        {
            public void PersonSayHi()
            {
                Console.WriteLine("你好，我是Person类");
            }
        }
    
        public class Student : Person
        {
            public void StudentSayHi()
            {
                Console.WriteLine("你好，我是Student类");
            }
        }
    
        public class Teacher : Person
        {
            public void TeacherSayHi()
            {
                Console.WriteLine("你好，我是Teacher类");
            }
        }
    
        public class Handsome : Person
        {
            public void HandsomeSayHi()
            {
                Console.WriteLine("你好，我是Handsome类");
            }
        }
    
        public class Beauty : Person
        {
            public void BeautySayHi()
            {
                Console.WriteLine("你好，我是Beauty类");
            }
        }
    
        public class Beast : Person
        {
            public void BeastSayHi()
            {
                Console.WriteLine("你好，我是Beast类");
            }
        }
    
    }