public override void Print()
{
Console.WriteLine("This is a Menu " + _name + ".");
IEnumerator iEnumerator = _menuComponents.GetEnumerator(); //遍历，打印菜单和所有子菜单/菜单项
while (iEnumerator.MoveNext())
{
MenuComponent component = iEnumerator.Current as MenuComponent;
component.Print();
}
}
public void PrintVegetarianMenu()
{
IIterator iterator = _allMenus.CreateIterator();
Console.WriteLine("\nVEGETARIAN MENU\n----");
while (iterator.HasNext())
{
MenuComponent menuComponent = (MenuComponent)iterator.Next();
try
{
if (menuComponent.IsVegetarian())
{
menuComponent.Print();
}
}
catch (NotSupportedException)
{
}
}
}
public void Print()
{
AllMenus.Print();
Console.ReadKey();
}
public void PrintMenu()
{
allMenus.Print();
}
