/// <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 NoteBook GetNoteBook(string brand)
{
NoteBook 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;
case "SAMSUNG":
nb = new SAMSUNG();
break;
}
return(nb);
}
static void Main(string[] args)
{
Console.WriteLine("请输入你想要的品牌电脑：");
string brand = Console.ReadLine();
NoteBook nb = GetNoteBook(brand);
nb.SayHello();
Console.ReadKey();
}