📄 showcart.jsp
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<%@ page contentType="text/html; charset=gb2312" %>
<%@ include file="common.jsp" %>
<%@ page import="java.util.*" %>
<jsp:useBean id="cart" scope="session" class="mypack.ShoppingCart"/>
<html>
<head><title>TitleShoppingCart</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312"></head>
<%@ include file="banner.jsp" %>
<%
String bookId = request.getParameter("Remove");
if (bookId != null) {
cart.remove(bookId);
BookDetails book = bookDB.getBookDetails(bookId);
%><body background="images.jpg">
<font color="red" size="+2">您删除了一个申请：<em><%=convert(book.getTitle())%>
</em>
<br> <br>
</font>
<%
}
if (request.getParameter("Clear") != null) {
cart.clear();
%>
<font color="red" size="+2"><strong>
清空我的申请列表
</strong><br>
<br></font>
<%
}
// Print a summary of the shopping cart
int num = cart.getNumberOfItems();
if (num > 0) {
%>
<font size="+2">您的</font><font color="red" size="+2"><strong>申请列表</strong></font><font size="+2">内有<%=num%>个机房 </font><br>
<table border="1" bordercolor="#6699FF">
<tr>
<th align=left>数量</th>
<th align=left>机房名</th>
<th align=left>容纳人数</th>
</tr>
<%
Iterator i = cart.getItems().iterator();
while (i.hasNext()) {
ShoppingCartItem item = (ShoppingCartItem)i.next();
BookDetails book = (BookDetails)item.getItem();
%>
<tr>
<td align="right" bgcolor="#ffffff">
<%=item.getQuantity()%>
</td>
<td bgcolor="#ffffaa">
<strong><a href="<%=request.getContextPath()%>/bookdetails.jsp?bookId=<%=book.getBookId()%>">
<%=convert(book.getTitle())%></a></strong>
</td>
<td bgcolor="#ffffaa" align="right">
<%=book.getPrice()%>
</td>
<td bgcolor="#ffffaa">
<strong>
<a href="<%=request.getContextPath()%>/showcart.jsp?Remove=<%=book.getBookId()%>">删除</a></strong>
</td></tr>
<%
// End of while
}
%>
<tr><td colspan="5" bgcolor="#ffffff"><br></td></tr>
<tr>
<td colspan="2" align="right" bgcolor="#ffffff">总额(元)</td>
<td bgcolor="#ffffaa" align="right"><%=cart.getTotal()%></td>
<td><br></td>
</tr>
</table>
<p>
<p>
<strong><a href="<%=request.getContextPath()%>/catalog.jsp">继续申请</a>
<a href="<%=request.getContextPath()%>/cashier.jsp">付账</a>
<a href="<%=request.getContextPath()%>/showcart.jsp?Clear=clear">清空我的列表</a></strong>
<%
} else {
%>
<font size="+2">您的申请列表目前为空</font>
<br>
<br>
<a href="<%=request.getContextPath()%>/catalog.jsp">继续申请</a>
<%
// End of if
}
%>
</body>
</html>
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