[设计模式]简单工厂模式(Simple Factory)

 

using System;
using System.Collections.Generic;
using System.Text;

namespace Learning.DesignPattern
{
    //简单工厂模式(Simple Factory)

    //产品接口ICar
    public interface ICar
    {
        void Drive();
    }

    //具体的产品类实现ICar接口
    public class HongQi : ICar
    {
        public void Drive()
        {
            Console.WriteLine("The driver driving the HongQi!");
        }
    }

    public class DaZhong : ICar
    {
        public void Drive()
        {
            Console.WriteLine("The driver driving the DaZhong!");
        }
    }


    //工厂类:
    public class CarFactory
    {
        public static ICar DriveCar(string carName)
        {
            if (carName == "HongQi")
            {
                return new HongQi();
            }
            else if (carName == "DaZhong")
            {
                return new DaZhong();
            }
            else
            {
                return null;
            }
        }
    }


    //调用该工厂类,执行具体产品方法:
    public class Program
    {
        public static void Main()
        {
            string carName = "HongQi";
            Console.Write("请输入车名:");
            Console.Write("+>");
            carName = Console.ReadLine();
            try
            {
                CarFactory.DriveCar(carName).Drive();
            }
            catch
            {
                Console.Write("您输入的车名无效!");
            }
            Console.ReadLine();
        }
    }
}