public static AbstractItem GetItem(string type)
{
AbstractItem item = null;
if (type.Equals("Campus"))
{
item = new Campus();
}
else if (type.Equals("Category"))
{
item = new Category();
}
else if (type.Equals("Comment"))
{
item = new Comment();
}
else if (type.Equals("LostItem"))
{
item = new LostAndFoundItem();
}
return(item);
}
public abstract void Remove(AbstractItem file);
public abstract void Add(AbstractItem file);
public override void Remove(AbstractItem item)
{
Console.WriteLine("对不起，不支持该方法！");
}
public override void Remove(AbstractItem item)
{
itemList.Remove(item);
}
public override void Add(AbstractItem item)
{
itemList.Add(item);
}
public override void Remove(AbstractItem item)
{
categoryList.Remove(item);
}
public override void Add(AbstractItem item)
{
categoryList.Add(item);
}
public override void Remove(AbstractItem item)
{
commentList.Remove(item);
}
public override void Add(AbstractItem item)
{
commentList.Add(item);
}
