工厂方法模式自己写的例子

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

namespace testFactory
{
    //抽象产品角色
    public interface Car
    {
         void drive();
    }

    //具体产品角色
    public class Benz : Car
    {
        public void drive()
        {
            Console.WriteLine("Driving Benz");
        }
    }
    public class Bmw : Car
    {
        public void drive()
        {
            Console.WriteLine("Driving Bmw");
        }
    }

    //抽象工厂
    public interface Factory
    {
        Car driverCar();
    }

    //具体工厂类角色
    public class DriverBenz : Factory
    {
        public Car driverCar()
        {
             return new Benz();
        }
    }

    public class DriverBmw : Factory
    {
        public Car driverCar()
        {
             return new Bmw();
        }
    }


    class Program
    {
        static void Main(string[] args)
        {
            Factory driver = new DriverBenz();
            Car car = new Benz();
            car.drive();
            Console.ReadLine();
        }
    }
}