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<title>csdn_实例讲解JSP Model2体系结构（中）
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<td WIDTH="50%" bordercolor="#FFFFFF" CLASS="t1" bgcolor="#F0F0F0" align="center" nowrap>实例讲解JSP Model2体系结构（中）
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<p> <td WIDTH="50%" bordercolor="#FFFFFF" CLASS="t1" bgcolor="#F0F0F0" align="center" nowrap>作者：周斌编译 </td></p>
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<SPAN class=name00><FONT
color=#ff3300>实例讲解JSP Model2体系结构（中）</FONT><BR></SPAN><SPAN
class=content>探索ＭＶＣ设计模式<BR></SPAN><SPAN class=Name01><FONT
color=#666666>（作者：周斌编译 ）</FONT></SPAN><BR><BR><SPAN
class=content><STRONG>理解“音乐无国界”</STRONG> <BR> “音乐无国界”的主界面是JSP页
Eshop.jsp(见代码清单1)。你会注意到，这个页面几乎只作为专门的用户界面，不承担任何处理任务――是一个最理想的JSP方案。另外，请注意另一个JSP页Cart.jsp（见代码清单2）被Eshop.jsp通过指令<jsp:include
page="Cart.jsp" flush="true" />包含于其中。 <BR><BR> 代码清单 1:EShop.jsp
<BR><BR> <%@ page session="true" %> <BR><BR> <html>
<BR><BR> <head> <BR><BR> <title>Music Without
Borders</title> <BR><BR> </head> <BR><BR> <body
bgcolor="#33CCFF"> <BR><BR> <font face="Times New
Roman,Times" size="+3"> <BR><BR> Music Without Borders
<BR><BR> </font> <BR><BR> <hr><p> <BR><BR>
<center> <BR><BR> <form name="shoppingForm" <BR><BR>
action="/examples/servlet/ShoppingServlet" <BR><BR>
method="POST"> <BR><BR> <b>CD:</b> <BR><BR>
<select name=CD> <BR><BR> <option>Yuan | The Guo
Brothers | China | $14.95</option> <BR><BR>
<option>Drums of Passion | Babatunde Olatunji | Nigeria |
$16.95</option> <BR><BR> <option>Kaira | Tounami
Diabate| Mali | $16.95</option> <BR><BR> <option>The
Lion is Loose | Eliades Ochoa | Cuba | $13.95</option>
<BR><BR> <option>Dance the Devil Away | Outback | Australia
| $14.95</option> <BR><BR> <option>Record of Changes |
Samulnori | Korea | $12.95</option> <BR><BR>
<option>Djelika | Tounami Diabate | Mali |
$14.95</option> <BR><BR> <option>Rapture | Nusrat
Fateh Ali Khan | Pakistan | $12.95</option> <BR><BR>
<option>Cesaria Evora | Cesaria Evora | Cape Verde |
$16.95</option> <BR><BR> <option>Ibuki | Kodo | Japan
| $13.95</option> <BR><BR> </select> <BR><BR>
<b>Quantity: </b><input type="text" name="qty"
SIZE="3" value=1> <BR><BR> <input type="hidden"
name="action" value="ADD"> <BR><BR> <input type="submit"
name="Submit" value="Add to Cart"> <BR><BR> </form>
<BR><BR> </center> <BR><BR> <p> <BR><BR>
<jsp:include page="Cart.jsp" flush="true" />
<BR><BR> </body> <BR><BR> </html> <BR><BR> 代码清单
2:Cart.jsp <BR><BR> <%@ page session="true" import="java.util.*,
shopping.CD" %> <BR><BR> <% <BR><BR> Vector buylist =
(Vector) session.getValue("shopping.shoppingcart"); <BR><BR> if
(buylist != null && (buylist.size() > 0)) {
<BR><BR> %> <BR><BR> <center> <BR><BR> <table
border="0" cellpadding="0" width="100%" bgcolor="#FFFFFF">
<BR><BR> <tr> <BR><BR>
<td><b>ALBUM</b></td> <BR><BR>
<td><b>ARTIST</b></td> <BR><BR>
<td><b>COUNTRY</b></td> <BR><BR>
<td><b>PRICE</b></td> <BR><BR>
<td><b>QUANTITY</b></td> <BR><BR>
<td></td> <BR><BR> </tr> <BR><BR> <%
<BR><BR> for (int index=0; index < buylist.size();index++) {
<BR><BR> CD anOrder = (CD) buylist.elementAt(index); <BR><BR>
%> <BR><BR> <tr> <BR><BR> <td><b><%=
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