add_item.jsp

来自「Sun公司Dream项目」· JSP 代码 · 共 47 行

<%@ include file="common_imports.jsp" %>

<%
    //System.out.println("Came in add item");
    String itemID = request.getParameter("item_id");
    String itemTitle = request.getParameter ("item_title");
    //String jspPath = request.getParameter("jsp_path");
    if (jspPath == null)
        jspPath = "/shop/index.jsp";
        
    cart = (java.util.HashMap) sessioncache.getAttribute(sessionId, "opera.cart");
    if (cart == null) {
        cart = new java.util.HashMap();    
    } 
    
    cart.put(itemID, "1");
    sessioncache.setAttribute(sessionId, "opera.cart", cart);
    //System.out.println("Set session cart attribute.");
    
    java.util.Hashtable historyTable = (java.util.Hashtable) sessioncache.getAttribute(sessionId, "opera.user_cart_history");
    if (historyTable == null) 
        historyTable = new java.util.Hashtable();
    
    if (itemID != null && itemTitle != null)
        historyTable.put(itemID, itemTitle);
    
    sessioncache.setAttribute(sessionId, "opera.user_cart_history", historyTable);
    
    // Update related items table
    java.util.Hashtable relProd = (java.util.Hashtable) sessioncache.getAttribute(sessionId, "opera.rel_items");
    if (relProd == null) {
	relProd = new Hashtable();
	sessioncache.setAttribute(sessionId, "opera.rel_items", relProd);
    }

    // Remove the current item from the list of related items
    relProd.remove(itemID);

    // Get the related item
    String relItemID = DBUtil.getField("SELECT relprod FROM OPERA_CONTENT_METADATA WHERE contentid = '" + 
      itemID + "'", java.sql.Types.VARCHAR, null);
    if (relItemID != null && ! "".equals(relItemID) && cart.get(relItemID) == null) {
	relProd.put(relItemID, "");
    }
    request.getRequestDispatcher(jspPath).forward(request, response);
%>