<비공개> 장바구니 서블릿 소스 - 참고용 (필요없을듯)

서블릿                  

private void addCart(HttpServletRequest request,

                                                     HttpServletResponse response) throws Exception{

                                  

                                   int no = Integer.parseInt(request.getParameter("no"));

                                   int amount = Integer.parseInt(request.getParameter("amount"));

                                  

                                   HttpSession session = request.getSession();

                                   // 장바구니 확인

                                   HashMap<Integer,OrderProduct> cart =

                                                                       (HashMap<Integer,OrderProduct>)session.getAttribute("cart");

                                  

                                   // 없다면

                                   if(cart == null){

                                                     // 장바구니 생성

                                                     cart = new HashMap<Integer,OrderProduct>();

                                                     session.setAttribute("cart", cart);

                                                     // 장바구니에 상품을 추가

                                                     Product p = productDao.productSearch(no);

                                                     OrderProduct product = new OrderProduct(p, amount);

                                                    

                                                     cart.put(no, product);

                                                    

                                   }else{

                                   // 있다면

                                                     // 상품이 장바구니에 존재하는 지 확인

                                                     OrderProduct product = cart.get(no);

                                                     if(product==null){

                                                                       // 없다면

                                                                       // 장바구니에 상품을 추가

                                                                       Product p = productDao.productSearch(no);

                                                                       product = new OrderProduct(p, amount);

                                                                       cart.put(no, product);

                                                                       }else{

                                                                       // 있다면

                                                                       // 상품 수량 변경

                                                                                        product.setAmount(product.getAmount() + amount);

                                                     }

                                   }

                                   // 장바구니 목록으로 페이지 이동

                                   response.sendRedirect("cart.jsp");

 

                  }

 

자바스클립트릿

<table width="990" border="0">

                                                    

                                                     <tr>        

                                                                                                          <th width="330" align="center">상품번호</th>

                                                                                                          <th width="330" align="center">상품이름</th>

                                                                                                          <th width="330" align="center">상품가격</th>

                                                                                                          <th width="330" align="center">수량</th>

                                                                                                          <th width="330" align="center">총가격</th>

                                                                       </tr>

                                                    

                                                     <%

                                                    

                                                     HashMap<Integer, OrderProduct> cart =(HashMap<Integer, OrderProduct>)session.getAttribute("cart");

                                                     if(cart != null && cart.size() > 0){

                                                     Collection<OrderProduct> values =cart.values();

                                                    

                                                     for(OrderProduct product : values) {

                                                    

                                                    

                                                     %>

                                                    

                                                                       <tr>        

                                                                                                          <td width="330" align="center"><%=product.getNo() %></td>

                                                                                                          <td width="330" align="center"><%=product.getName() %></td>

                                                                                                          <td width="330" align="center"><%=product.getPrice() %></td>

                                                                                                          <td width="330" align="center"><%=product.getAmount() %></td>

                                                                                                          <td width="330" align="center"><%=product.getPrice()*product.getAmount() %></td>

                                                                                                          <td width="330" align="center">삭제</td>

                                                                       </tr>

                                                                      

                                                                       <%}

                                                                       }else{    

                                                                       %>

                                                                      

                                                                       <tr>

                                                                       <td colspan="5">장바구니에 담긴 상품이 없습니다.</td>

                                                                       </tr>

                                                                       <% } %>

                                                                      

                                                     </table>

                                                    

                                                     <br/><br/>

                                                     </td>

                                   </tr>

 

                  </table>