static void Main(string[] args)
{
Console.WriteLine("请输入笔记本品牌：");
string brand = Console.ReadLine();
NoteBook nb = GetNoteBook(brand);
nb.SayHello();
Console.ReadKey();
}
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;
}
return(nb);
}
public static NoteBook GetBook(string brand)
{
NoteBook nb = null;
switch (brand)
{
case "HP":
nb = new HP();
break;
case "Lenovo":
nb = new Lenovo();
break;
case "IBM":
nb = new IBM();
break;
}
return(nb);
}
static void Main(string[] args)
{
while (true)
{
Console.WriteLine("请输入笔记本品牌：");
string brand = Console.ReadLine();
try
{
if (brand.Equals("end", StringComparison.OrdinalIgnoreCase))
{
break;
}
NoteBook nb = GetBook(brand);
nb.SayHello();
Console.ReadKey();
}
catch (Exception)
{
}
}
}