showcart.jsp

J2EE导学

<%--
 
  Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
  
  This software is the proprietary information of Sun Microsystems, Inc.  
  Use is subject to license terms.
  
--%>

<%@ taglib uri="/struts-bean" prefix="bean" %>
<%@ taglib uri="/struts-logic" prefix="logic" %>
<%@ include file="initdestroy.jsp" %>

<jsp:useBean id="currency" class="util.Currency" scope="application">
	<jsp:setProperty name="currency" property="locale" value="<%=request.getLocale()%>"/>
</jsp:useBean>

<jsp:useBean id="cart" class="cart.ShoppingCart" scope="session"/>

<logic:present parameter="Remove">
		<bean:parameter id="bookId" name="Remove" />
		<% cart.remove(bookId); %>
		<jsp:setProperty name="bookDB" property="bookId" value="<%=bookId%>" />
		<bean:define id="book" name="bookDB" property="bookDetails" type="database.BookDetails"/>
		<font color="red" size="+2">You just removed: <em><jsp:getProperty name="book" property="title"/></em> 
		<br>&nbsp;<br> 
		</font>
</logic:present>

<logic:present parameter="Clear">
		<% cart.clear(); %>
		<font color="red" size="+2"><strong> 
		You just cleared your shopping cart! 
		</strong><br>&nbsp;<br></font>
</logic:present>

<bean:define id="num" name="cart" property="numberOfItems" />

<logic:greaterThan name="num" value="0" >

		<font size="+2">You have
		<%=num%>
		<logic:equal name="num" value="1">
			item
		</logic:equal>
		<logic:greaterThan name="num" value="1">
			items
		</logic:greaterThan>
		in your shopping cart.
		</font><br>&nbsp;

		<table> 
		<tr> 
		<th align=left>Quantity</TH> 
		<th align=left>Title</TH> 
		<th align=left>Price</TH> 
		</tr>

		<logic:iterate name="cart" property="items" id="item" type="cart.ShoppingCartItem">
				<bean:define id="book" name="item" property="item" type="database.BookDetails"/>
				<bean:define id="bookId" name="book" property="bookId" type="java.lang.String"/>
				<tr> 
				<td align="right" bgcolor="#ffffff"> 
				<jsp:getProperty name="item" property="quantity" />
				</td> 

				<td bgcolor="#ffffaa"> 
				<strong><a href="<%=request.getContextPath()%>/bookdetails?bookId=<%=bookId%>"><jsp:getProperty name="book" property="title"/></a></strong> 
				</td> 

				<td bgcolor="#ffffaa" align="right"> 
				<jsp:setProperty name="currency" property="amount" value="<%=book.getPrice()%>"/>
				<jsp:getProperty name="currency" property="format"/>&nbsp;</td>  
				</td> 

				<td bgcolor="#ffffaa"> 
				<strong><a href="<%=request.getContextPath()%>/showcart?Remove=<%=bookId%>">Remove Item</a></strong> 
				</td></tr>

		</logic:iterate>

		<tr><td colspan="5" bgcolor="#ffffff"> 
		<br></td></tr> 

		<tr> 
		<td colspan="2" align="right" "bgcolor="#ffffff"> 
		Subtotal:</td> 
		<td bgcolor="#ffffaa" align="right"> 
		<jsp:setProperty name="currency" property="amount" value="<%=cart.getTotal()%>"/>
		<jsp:getProperty name="currency" property="format"/>&nbsp; </td> 
		</td><td><br></td></tr></table> 

		<p>&nbsp;<p>
		<strong><a href="<%=request.getContextPath()%>/catalog">Continue Shopping</a>&nbsp;&nbsp;&nbsp;  
		<a href="<%=request.getContextPath()%>/cashier">Check Out</a>&nbsp;&nbsp;&nbsp; 
		<a href="<%=request.getContextPath()%>/showcart?Clear=clear">Clear Cart</a></strong>
</logic:greaterThan>

<logic:lessEqual name="num" value="0" >
		<font size="+2">There is nothing in your shopping cart.</font> 
		<br>&nbsp;<br> 
		<strong><a href="<%=request.getContextPath()%>/catalog">Back to the Catalog</a></strong>
</logic:lessEqual>

</body>
</html>