?? viewproductaction.java
字號:
package com.netshop.web.struts.action;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import com.netshop.domain.model.*;
import com.netshop.domain.service.*;
import com.netshop.domain.service.impl.*;
import org.springframework.beans.support.PagedListHolder;
public class ViewProductAction extends BaseAction {
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
String productId = request.getParameter("productId");
if (productId != null) {
ProductManager manager = ManagerFactory.createProductManager();
PagedListHolder itemList = new PagedListHolder(manager
.getItemListByProduct(productId));
itemList.setPageSize(4);
Product product = manager.getProduct(productId);
request.getSession().setAttribute("ViewProductAction_itemList",
itemList);
request.getSession().setAttribute("ViewProductAction_product",
product);
request.setAttribute("itemList", itemList);
request.setAttribute("product", product);
} else {
PagedListHolder itemList = (PagedListHolder) request.getSession()
.getAttribute("ViewProductAction_itemList");
Product product = (Product) request.getSession().getAttribute(
"ViewProductAction_product");
String page = request.getParameter("page");
if ("next".equals(page)) {
itemList.nextPage();
} else if ("previous".equals(page)) {
itemList.previousPage();
}
request.setAttribute("itemList", itemList);
request.setAttribute("product", product);
}
return mapping.findForward("success");
}
}
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