一、流程分析
二、代码
1.view层
(1）list.jsp
1 <div class="divMain"> 2 <div class="divTitle"> 3 <span style="margin-left: 150px;margin-right: 280px;">商品信息</span> 4 <span style="margin-left: 40px;margin-right: 38px;">金额</span> 5 <span style="margin-left: 50px;margin-right: 40px;">订单状态</span> 6 <span style="margin-left: 50px;margin-right: 50px;">操作</span> 7 </div> 8 <br/> 9 <table align="center" border="0" width="100%" cellpadding="0" cellspacing="0"> 10 11 12 <c:forEach items="${pb.beanList }" var="o"> 13 14 <tr class="tt"> 15 <td width="320px">订单号：<a href="<c:url value='/OrderServlet?method=load&oid=${o.oid }'/>">${o.oid }</a></td> 16 <td width="200px">下单时间：${o.orderTime }</td> 17 <td> </td> 18 <td> </td> 19 <td> </td> 20 <td> </td> 21 </tr> 22 <tr style="padding-top: 10px; padding-bottom: 10px;"> 23 <td colspan="2"> 24 25 26 <c:forEach items="${o.orderItems }" var="oi"> 27 <a class="link2" href="<c:url value='/BookServlet?method=load&bid=${oi.book.bid }'/>"> 28 <img border="0" width="70" src="<c:url value='/${oi.book.image_b }'/>"/> 29 </a> 30 </c:forEach> 31 32 33 </td> 34 <td width="115px"> 35 <span class="price_t">¥${o.total }</span> 36 </td> 37 <td width="142px"> 38 <c:choose> 39 <c:when test="${o.status eq 1 }">(等待付款)</c:when> 40 <c:when test="${o.status eq 2 }">(准备发货)</c:when> 41 <c:when test="${o.status eq 3 }">(等待确认)</c:when> 42 <c:when test="${o.status eq 4 }">(交易成功)</c:when> 43 <c:when test="${o.status eq 5 }">(已取消)</c:when> 44 </c:choose> 45 </td> 46 <td> 47 <a href="<c:url value='/OrderServlet?method=load&oid=${o.oid }'/>">查看</a><br/> 48 <c:if test="${o.status eq 1 }"> 49 <a href="<c:url value='/OrderServlet?method=load&oid=${o.oid }'/>">支付</a><br/> 50 <a href="<c:url value='/OrderServlet?method=load&btn=cancel&oid=${o.oid }'/>">取消</a><br/> 51 </c:if> 52 <c:if test="${o.status eq 3 }"> 53 <a href="<c:url value='/OrderServlet?method=load&btn=confirm&oid=${o.oid }'/>">确认收货</a><br/> 54 </c:if> 55 </td> 56 </tr> 57 </c:forEach> 58 59 </table> 60 <br/> 61 <%@include file="/jsps/pager/pager.jsp" %> 62 </div>
(2)desc.jsp
1 <body> 2 <div class="divOrder"> 3 <span>订单号：${order.oid } 4 <c:choose> 5 <c:when test="${order.status eq 1}">(等待付款)</c:when> 6 <c:when test="${order.status eq 2}">(准备发货)</c:when> 7 <c:when test="${order.status eq 3}">(等待确认)</c:when> 8 <c:when test="${order.status eq 4}">(交易成功)</c:when> 9 <c:when test="${order.status eq 5}">(已取消)</c:when> 10 </c:choose> 11 下单时间：${order.orderTime }</span> 12 </div> 13 <div class="divContent"> 14 <div class="div2"> 15 <dl> 16 <dt>收货人信息</dt> 17 <dd>${order.address }</dd> 18 </dl> 19 </div> 20 <div class="div2"> 21 <dl> 22 <dt>商品清单</dt> 23 <dd> 24 <table cellpadding="0" cellspacing="0"> 25 <tr> 26 <th class="tt">商品名称</th> 27 <th class="tt" align="left">单价</th> 28 <th class="tt" align="left">数量</th> 29 <th class="tt" align="left">小计</th> 30 </tr> 31 32 33 <c:forEach items="${order.orderItems }" var="oi"> 34 <tr style="padding-top: 20px; padding-bottom: 20px;"> 35 <td class="td" width="400px"> 36 <div class="bookname"> 37 <img align="middle" width="70" src="<c:url value='/${oi.book.image_b }'/>"/> 38 <a href="<c:url value='/BookServlet?method=load&bid=${oi.book.bid }'/>">${oi.book.bname }</a> 39 </div> 40 </td> 41 <td class="td" > 42 <span>¥${oi.book.currPrice }</span> 43 </td> 44 <td class="td"> 45 <span>${oi.quantity }</span> 46 </td> 47 <td class="td"> 48 <span>¥${oi.subtotal }</span> 49 </td> 50 </tr> 51 </c:forEach> 52 53 </table> 54 </dd> 55 </dl> 56 </div> 57 <div style="margin: 10px 10px 10px 550px;"> 58 <span style="font-weight: 900; font-size: 15px;">合计金额：</span> 59 <span class="price_t">¥${order.total }</span><br/> 60 <c:if test="${order.status eq 1 }"> 61 <a href="<c:url value='/jsps/order/pay.jsp'/>" class="pay"></a><br/> 62 </c:if> 63 <c:if test="${order.status eq 1 and btn eq 'cancel' }"> 64 <a id="cancel" href="javascript:alert('订单已取消！');">取消订单</a><br/> 65 </c:if> 66 <c:if test="${order.status eq 3 and btn eq 'confirm' }"> 67 <a id="confirm" href="javascript:alert('交易成功！');">确认收货</a><br/> 68 </c:if> 69 </div> 70 </div> 71 </body>
2.servlet层
(1）OrderServlet.java
1 /** 2 * 加载订单 3 * @param req 4 * @param resp 5 * @return 6 * @throws ServletException 7 * @throws IOException 8 */ 9 public String load(HttpServletRequest req, HttpServletResponse resp) 10 throws ServletException, IOException { 11 String id = req.getParameter("oid"); 12 String btn = req.getParameter("btn"); 13 Order order = service.load(id); 14 req.setAttribute("order", order); 15 req.setAttribute("btn", btn); 16 return "f:/jsps/order/desc.jsp"; 17 }
3.service层
(1）OrderSerivce.java
1 /** 2 * 根据id加载订单 3 * @param id 4 * @return 5 */ 6 public Order load(String id) { 7 try { 8 return dao.findById(id); 9 } catch (SQLException e) { 10 throw new RuntimeException(e); 11 } 12 }
4.dao层
(1）OrderDao.java
1 /** 2 * 根据id查找 3 * @param id 4 * @return 5 * @throws SQLException 6 */ 7 public Order findById(String id) throws SQLException { 8 String sql = "select * from t_order where oid=?"; 9 Order order = qr.query(sql, new BeanHandler<Order>(Order.class), id); 10 loadOrderItem(order); 11 return order; 12 } 13 14 /** 15 * 根据id查找 16 * @param id 17 * @return 18 * @throws SQLException 19 */ 20 public Order findById(String id) throws SQLException { 21 String sql = "select * from t_order where oid=?"; 22 Order order = qr.query(sql, new BeanHandler<Order>(Order.class), id); 23 loadOrderItem(order); 24 return order; 25 }