小编sai*_*mar的帖子

想检查这是否是表示抽象工厂模式的好例子.这是主题戴尔(工厂)制造xps(产品)戴尔(工厂)制造灵感(产品)惠普(工厂)使特使(产品)惠普(工厂)制造presario(产品)

BestBuy销售电脑.

//Abstract factory
abstract class ComputerFactory
{
    public abstract Computer BuildComputer(Computer.ComputerType compType);
}

//Concrete factory
class Dell : ComputerFactory
{
    public override Computer BuildComputer(Computer.ComputerType compType)
    {
        if (compType == Computer.ComputerType.xps)
            return (new xps());
        else if (compType == Computer.ComputerType.inspiron)
            return new inspiron();
        else
            return null;
    }
}

//Concrete factory
class Hp : ComputerFactory
{
    public override Computer BuildComputer(Computer.ComputerType compType)
    {
        if (compType == Computer.ComputerType.envoy)
            return (new envoy());
        else if (compType == Computer.ComputerType.presario)
            return new presario();
        else
            return null;
    }
} …