cartservice.java

这是一个网上书店

package com.ebookstore.service;

import java.util.List;

import com.ebookstore.dto.Book;
import com.ebookstore.dto.Item;

public interface CartService {
  public void addBookToCart(Book book);
  
  public void removeBookFromCart(Book book);
  
  public List findBooksInCart(String strsql);
  
  public Item findItemById( int id );
  
}