public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String id = request.getParameter("id");
BusinessService service = new BusinessServiceImpl();
Book book = service.findBook(id);
Cart cart = (Cart) request.getSession().getAttribute("cart");
if (cart == null) {
cart = new Cart();
request.getSession().setAttribute("cart", cart);
}
cart.add(book);
response.sendRedirect(request.getContextPath() + "/client/listcart.jsp");
}
private void getAll(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
List list = service.getAllCategory();
request.setAttribute("categories", list);
request.getRequestDispatcher("/manager/listcategory.jsp").forward(request, response);
}
private void add(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
Category c = WebUtils.request2Bean(request, Category.class);
c.setId(UUID.randomUUID().toString());
service.addCategory(c);
request.setAttribute("message", "Ìí¼Ó³É¹¦");
} catch (Exception e) {
e.printStackTrace();
request.setAttribute("message", "Ìí¼Óʧ°Ü");
}
request.getRequestDispatcher("/message.jsp").forward(request, response);
}