Метод doShowCart (catalogServ.java)
Листинг 4.12. Метод doShowCart (catalogServ.java)
public void doShowCart( HttpServletRequest req, HttpServletResponse resp,
PrintWriter out, HttpSession session, String action ){
ShoppingCart cart = (ShoppingCart)session.getValue("cart");
// older servlet engines use getValue
// ShoppingCart cart = session.getAttribute("cart");
// API 2.2
if( cart == null ){
out.println("Serious problem with session data" + brcrlf );
return ;
}
CatalogBean cb = new CatalogBean();
String link = alias + "?action=showproduct" ;
cb.setOutput("short", link);
out.print("<table width=\"90%\" border=\"3\" align=\"center\" >
");
cb.doCartList( out, cart );
out.print("</table>
\r\n");
}
Содержание раздела