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 }
时间： 2024-10-22 12:47:43