static void Main(string[] args)
{
Console.WriteLine("请输入您想要的笔记本的品牌");
string brand = Console.ReadLine();
NotoBook nb = GetNotoBook(brand);
nb.SayHellow();
Console.ReadKey();
}
/// <summary>
/// 简单工厂的核心 根据用户的输入创建对象赋值给父类
/// </summary>
/// <param name="brand"></param>
/// <returns></returns>
public static NotoBook GetNotoBook(string brand)
{
NotoBook nb = null;
switch (brand)
{
case "lenovo": nb = new Lenovo();
break;
case "IBM": nb = new IBM();
break;
case "Acer": nb = new Acer();
break;
case "Dell": nb = new Dell();
break;
default:
break;
}
return(nb);
}