public void TestMethod2()
{
foreach (OffNovelBook book in BookStore2.BookList)
{
NovelBook novelBook = book;
Debug.WriteLine("书名: " + novelBook.GetName());
Debug.WriteLine("作者: " + novelBook.GetAuthor());
Debug.WriteLine("原价: " + novelBook.GetPrice());
OffNovelBook offNovelBook = book;
Debug.WriteLine("打折价: " + offNovelBook.GetPrice());
}
//运行结果：
//书名: 书1
//作者: 作者
//原价: 24
//打折价: 19.2
//书名: 书2
//作者: 作者2
//原价: 60
//打折价: 54
//书名: 书3
//作者: 作者3
//原价: 99
//打折价: 89.1
}
public void TestMethod1()
{
foreach (NovelBook book in BookStore.BookList)
{
NovelBook novelBook = book;
Debug.WriteLine("书名: " + novelBook.GetName());
Debug.WriteLine("作者: " + novelBook.GetAuthor());
Debug.WriteLine("原价: " + novelBook.GetPrice());
}
}
public new int GetPrice()
{
//原价
int selfPrice = novelBook.GetPrice();
int offPrice = 0;
if (selfPrice > 4000)
{
//原价大于40元，则打9折
offPrice = selfPrice * 50 / 100;
}
else
{
offPrice = selfPrice * 20 / 100;
}
return(offPrice);
}