#include "Element.h" #include "Visitor.h" #include "ShoppingCart.h" #include int main() { Apple *apple1 = new Apple("红富士苹果", 7); Apple *apple2 = new Apple("花牛苹果", 5); Book *book1 = new Book("红楼梦", 129); Book *book2 = new Book("终结者", 49); Cashier* cashier = new Cashier(); Customer* jungle = new Customer("Jungle"); jungle->setNum(apple1, 2); jungle->setNum(apple2, 4); jungle->setNum(book1, 1); jungle->setNum(book2, 3); ShoppingCart* shoppingCart = new ShoppingCart(); shoppingCart->addElement(apple1); shoppingCart->addElement(apple2); shoppingCart->addElement(book1); shoppingCart->addElement(book2); printf("\n\n"); shoppingCart->accept(jungle); printf("\n\n"); shoppingCart->accept(cashier); printf("\n\n"); system("pause"); delete apple1; delete apple2; delete book1; delete book2; delete cashier; delete jungle; delete shoppingCart; return 0; }