C#设计模式-简单工厂模式

徐皊

于 2018-12-15 11:40:02 发布

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本文链接：https://blog.youkuaiyun.com/qq_37273889/article/details/85012807

版权

本文介绍了一个使用C#实现的简单工厂模式示例。通过定义一个Vehicle基类和其子类Car与Bicycle，以及一个SimpleFactory类来创建不同类型的交通工具。示例展示了如何通过枚举类型选择要创建的对象。

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using System;

namespace TestCS
{
    class Program
    {
        static void Main(string[] args)
        {
            SimpleFactory factory = new SimpleFactory();

            Vehicle vehicle0 = factory.CreateVehicle(EVehicleType.Bicycle);
            Console.WriteLine("Create Vehicle " + vehicle0.GetName());

            Vehicle vehicle1 = factory.CreateVehicle(EVehicleType.Car);
            Console.WriteLine("Create Vehicle " + vehicle1.GetName());

            Console.ReadKey();
        }
    }

    enum EVehicleType
    {
        Car,
        Bicycle,
    }

    class Vehicle
    {
        public virtual string GetName()
        {
            return string.Empty;
        }
    }

    class Car : Vehicle
    {
        public override string GetName()
        {
            return "Car";
        }
    }

    class Bicycle : Vehicle
    {
        public override string GetName()
        {
            return "Bicycle";
        }
    }

    class SimpleFactory
    {
        public Vehicle CreateVehicle(EVehicleType type)
        {
            Vehicle vehicle = null;
            switch (type)
            {
                case EVehicleType.Bicycle:
                    vehicle = new Bicycle();
                    break;
                case EVehicleType.Car:
                    vehicle = new Car();
                    break;
            }
            return vehicle;
        }
    }
}