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Forum:
JSP
Shoppingcart session problem
Harry Bos
Greenhorn
Posts: 1
posted 20 years ago
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Hello there,
I`m quite new to
jsp
but have to build a simple shoppingcart for practice.
I use this code like below:
<%@ page contentType="text/html; charset=iso-8859-1" language="java" import="java.sql.*" errorPage="" session="true" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <title>Untitled Document</title> </head> <body> <% String dvds[]; dvds = new String[10]; dvds[0] = "Simpsons"; dvds[1] = "Futurerama DVDBOX"; dvds[2] = "The Sopranos DVDBOX"; dvds[3] = "Friends DVDBOX"; dvds[4] = "The Nanny DVD"; dvds[5] = "Southpark"; dvds[6] = "Baantjer"; dvds[7] = "The Xfiles"; dvds[8] = "The mask"; dvds[9] = "Donald Duck DVD"; %> <table width="481" border="0" cellpadding="0" cellspacing="0"> <!--DWLayoutTable--> <tr> <td height="22" colspan="4" valign="top"><div align="center">Film catalogus: </div></td> </tr> <tr> <td height="21" colspan="2" valign="top">01: <%= dvds[0] %> </td> <td colspan="2" valign="top"><div align="right"> <form name="form1" method="post" action=""> <INPUT TYPE="HIDDEN" NAME="simpsons" VALUE="The Simpsons"> <input type="submit" name="Submit" value="Bestellen"> </form> </div></td> </tr> <tr> <td height="20" colspan="2" valign="top">02: <%= dvds[1] %></td> <td colspan="2" valign="top"><form name="form1" method="post" action=""> <div align="right"> <INPUT TYPE="HIDDEN" NAME="futurama" VALUE="Futurama"> <input type="submit" name="Submit" value="Bestellen"> </div> </form>�</td> </tr> <tr> <td height="20" colspan="2" valign="top">03: <%= dvds[2] %></td> <td width="51"></td> <td width="185"></td> </tr> <tr> <td height="20" colspan="2" valign="top">04: <%= dvds[3] %></td> <td></td> <td></td> </tr> <tr> <td height="20" colspan="2" valign="top">05: <%= dvds[4] %></td> <td></td> <td></td> </tr> <tr> <td height="20" colspan="2" valign="top">06: <%= dvds[5] %></td> <td></td> <td></td> </tr> <tr> <td height="20" colspan="2" valign="top">07: <%= dvds[6] %></td> <td></td> <td></td> </tr> <tr> <td height="20" colspan="2" valign="top">08: <%= dvds[7] %></td> <td></td> <td></td> </tr> <tr> <td height="20" colspan="2" valign="top">09: <%= dvds[8] %></td> <td></td> <td></td> </tr> <tr> <td height="20" colspan="2" valign="top">10: <%= dvds[9] %></td> <td></td> <td></td> </tr> <tr> <td width="193" height="113"> </td> <td width="52"> </td> <td></td> <td></td> </tr> <tr> <td height="35"> </td> <td colspan="2" valign="top"><a href="<%= response.encodeURL("showkar.jsp") %>">Naar het karretje</a> </td> <td> </td> </tr> <tr> <td height="34"> </td> <td> </td> <td></td> <td></td> </tr> </table> <% String dvd1 = request.getParameter( "simpsons" ); session.setAttribute( "theSimpsons", dvd1); String dvd2 = request.getParameter( "futurama" ); session.setAttribute( "futurama", dvd2); %> De volgende item(s) zijn besteld: <br> <%= session.getValue( "theSimpsons" ) %> <br> <%= session.getValue( "futurama" ) %> <br><br> <a href="<%= response.encodeURL("index.jsp") %>">Terug</a> </body> </html>
Now every time i add my first item to the cart it works. But when i add my second item it removes the first item and just adds the second one.
How can i make sure both items will stay in the cart together?
Thanks in advance!
Travis Berthelot
Greenhorn
Posts: 24
posted 20 years ago
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You clear one item when you insert the other. Remember the input fields are in different forms. You really should just use a free E-Commerce program instead of creating your own.
String
dvd1 = request.getParameter( "simpsons" );session.setAttribute( "theSimpsons", dvd1); String dvd2 = request.getParameter( "futurama" );session.setAttribute( "futurama", dvd2);
[ October 30, 2004: Message edited by: Bear Bibeault ]
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