简单工厂模式

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

namespace factory
{

    //抽象产品角色

    public interface Car
    {

        void Drive();

    }
    //具体产品角色1
    public class BaoMa : Car
    {
        public void Drive()
        {
            Console.WriteLine("baoma");
        }
    }
    //具体产品角色2
    public class BenChi : Car
    {
        public void Drive()
        {
            Console.WriteLine("benchi");
        }
    }
    //工厂类角色
    public class Driver
    {

        public void DriveCar(string car)
        {
            if (car == "baoma")
            {
                new BaoMa().Drive();
            }
            else
            {
                new BenChi().Drive();
            }
        }


    }
    class Program
    {
        static void Main(string[] args)
        {
           new Driver().DriveCar("benchi");