bookshowcart.jsp

jsp 应用开发技术光盘 是《jsp应用开发技术》这本书的源代码

<%@page pageEncoding="GB2312"%>
<%@page contentType="text/html; charset=gb2312"%>
<%request.setCharacterEncoding("gb2312");%>
<%@ include file="global.jsp"%>

<jsp:useBean id="bookDB" class="database.BookDB" scope="session" /> 

<%@ include file="head.html"%>
<%
	String clear=request.getParameter("Clear");
	
	String bookId=request.getParameter("Remove");
	if (bookId != null) {
       cart.remove(bookId);
    }
%>

<%if((clear != null) && clear.equals("clear"))
{
	cart.clear();
%>
    <font color="red" size="+2">
    	<strong> 购物车已清空</strong><br>
    </font>
<%}%>
 
<%
if(!bookId.equals("0")){	
	
	bookDB.setBookId(bookId);
	BookDetails removedBook=bookDB.getBookDetails();	
%>    
    <font color="red" size="+2">
    	已删除<em><%=removedBook.getTitle()%></em>.<br>&nbsp;<br>     	
    </font>
<%}%>
<%
if(cart.getNumberOfItems()>0){
%>
    <font size="+2">
	<%
	if(cart.getNumberOfItems()>1){
	%>           
   		购物清单   
  <%}%>
    </font><br>

    <table> 
    <tr> 
    	<th align=left>数量</TH> 
    	<th align=left>书名</TH> 
    	<th align=left>价格</TH> 
    </tr>
    <%for(Iterator iter=cart.getItems().iterator();iter.hasNext();)
    {
    	ShoppingCartItem item=(ShoppingCartItem)iter.next();
    	BookDetails book=(BookDetails)item.getItem();    
    %>	
        <tr> 
        	<td align="left" bgcolor="#ffffff"> 
        		<%=item.getQuantity()%>
        	</td> 

        	<td align="left" bgcolor="#ffffaa">         
        		<a href="bookdetails?bookId=<%=book.getBookId()%>&Clear=0">
					<b><%=book.getTitle()%></b> 
				</a>        
        	</td> 

        	<td align="left" bgcolor="#ffffaa"> 
       			<%=book.getPrice()%>元 
       		</td>         

        	<td align="left" bgcolor="#ffffaa">         
        		<a href="bookshowcart.jsp?Remove=<%=book.getBookId()%>">
        			<b>删除</b>
        		</a> 
        	</td>
        </tr>
    <%}%>   

    <tr> 
    	<td colspan="2" align="right" bgcolor="#ffffff"> 
    		总计
    	</td> 
    	<td bgcolor="#ffffaa" align="right"> 
    		<%=cart.getTotal()%>元
    	</td>
    	<td></td>
    </tr>
 </table> 

    <b>
    	<a href="bookcatalog.jsp">继续购物</a>&nbsp;&nbsp;&nbsp;      
    	<a href="bookcashier.jsp">结账</a>&nbsp;&nbsp;&nbsp;     
    	<a href="bookshowcart.jsp?Clear=clear&Remove=0">清空购物车</a>
    </b>
<%}%>

<%if(cart.getNumberOfItems() <= 0){%>
    <font size="+2">购物车内没有商品</font> 
    <br>&nbsp;<br>    
    <a href="bookcatalog.jsp"><b>继续购物</b></a>
<%}%>

<%@ include file="end.html"%>