request.getAttribute为什么取出来的值是空，高分在线等

我用struts＋spring＋ibatis做的项目，代码如下
action：
package com.nuage.console.product.action;

public class ProductAction extends BaseAction {
public ActionForward product(ActionMapping mapping,ActionForm form,
HttpServletRequest request,HttpServletResponse responsee) throws ConsoleException{
ProductLogic productLogic = (ProductLogic)this.getBean("ProductLogicImpl");
String onPage = request.getParameter("onPage");
int onPageInt = onPage == null?1:Integer.parseInt(onPage);
List<ProductVO> productList = productLogic.sqlAll();
PageVO pageVO = PageUtil.getPageList(productList, 10, onPageInt);
request.setAttribute("pageVO", pageVO);
return mapping.findForward("product");
}

public ActionForward insert(ActionMapping mapping,ActionForm form,
HttpServletRequest request,HttpServletResponse response)throws Exception{
ProductLogic productLogic = (P

关于VB中GETATTR函数的问题 Request、Request.Form和Request.QueryString相同点 require&request request 问题 request.servervariables Request.QueryString[] jsp request request.setAttribute request.getParameter() Request.ServerVariables