基于Servlet+JSP写的完整的项目：图书管理系统.zip

package zhongfucheng.service.impl; import zhongfucheng.dao.BookDao; import zhongfucheng.dao.CategoryDao; import zhongfucheng.dao.OrderDao; import zhongfucheng.dao.UserDao; import zhongfucheng.domain.*; import zhongfucheng.service.BussinessServiceDao; import zhongfucheng.utils.DaoFactory; import zhongfucheng.utils.WebUtils; import zhongfucheng.utils.permission; import java.util.Date; import java.util.List; import java.util.Map; /** * Created by ozc on 2017/4/12. */ public class BussinessServiceImpl implements BussinessServiceDao { private CategoryDao categoryDao = DaoFactory.getInstance().createDao("zhongfucheng.dao.impl.CategoryDAOImpl", CategoryDao.class); private BookDao bookDao = DaoFactory.getInstance().createDao("zhongfucheng.dao.impl.BookDaoImpl", BookDao.class); private UserDao userDao = DaoFactory.getInstance().createDao("zhongfucheng.dao.impl.UserDaoImpl", UserDao.class); private OrderDao orderDao = DaoFactory.getInstance().createDao("zhongfucheng.dao.impl.OrderDaoImpl", OrderDao.class); @Override @permission("添加分类") /*添加分类*/ public void addCategory(Category category) { categoryDao.addCategory(category); } /*查找分类*/ @Override public void findCategory(String id) { categoryDao.findCategory(id); } @Override @permission("查找分类") /*查看分类*/ public List<Category> getAllCategory() { return categoryDao.getAllCategory(); } /*添加图书*/ @Override public void addBook(Book book) { bookDao.addBook(book); } /*查找图书*/ @Override public Book findBook(String id) { return bookDao.findBook(id); } /*获取图书的分页数据*/ @Override public Page getPageData(String currentPageCount) { Page page=null; if (currentPageCount == null) { page = new Page(1, bookDao.getTotalRecord()); } else { page = new Page(Integer.valueOf(currentPageCount), bookDao.getTotalRecord()); } List<Book> books = bookDao.getPageData(page.getStartIndex(), page.getLinesize()); page.setList(books); return page; } /*获取图书分类后的分页数据*/ @Override public Page getPageData(String currentPageCount, String category_id) { Page page=null; if (currentPageCount == null) { page = new Page(1, bookDao.getCategoryTotalRecord(category_id)); } else { page = new Page(Integer.valueOf(currentPageCount), bookDao.getCategoryTotalRecord(category_id)); } List<Book> books = bookDao.getPageData(page.getStartIndex(), page.getLinesize(), category_id); page.setList(books); return page; } @Override public void registerUser(User user) { userDao.register(user); } @Override public User loginUser(String username, String password) { return userDao.login(username, password); } @Override public User findUser(String id) { return userDao.find(id); } @Override public void buyBook(Cart cart, Book book) { cart.addBook2Cart(book); } @Override public void createOrder(Cart cart, User user) { //订单的基本信息 String order_id = WebUtils.makeId(); Order order = new Order(); order.setId(order_id); order.setPrice(cart.getPrice()); order.setOrdertime(new Date()); order.setState(false); order.setUser_id(user.getId()); //订单项的基本信息 //得到每个购物项，购物项就作为订单项 for (Map.Entry<String, CartItem> me : cart.getMap().entrySet()) { OrderItem orderItem = new OrderItem(); CartItem cartItem = me.getValue(); orderItem.setId(WebUtils.makeId()); orderItem.setPrice(cartItem.getPrice()); orderItem.setBook_id(cartItem.getBook().getId()); orderItem.setQuantity(cartItem.getQuantity()); orderItem.setOrder_id(order_id); order.getItems().add(orderItem); } System.out.println(cart.getMap().size()); orderDao.addOrder(order); } @Override public Order findOrder(String user_id) { return orderDao.findOrder(user_id); } @Override public List<Order> getAllOrder(boolean state) { return orderDao.getAllOrder(state); } @Override public void sendOutOrder(String id) { orderDao.updateState(id); } @Override public List<Order> findUserOrder(String user_id) { return orderDao.findUserOrder(user_id); } @Override public List<Privilege> findUserPrivilege(String user_id) { return userDao.findUserPrivilege(user_id); } }