springmvc跳转页面并传值

@Controller  
public class ListMobilecardsController  
{  
    @RequestMapping(value = "/listMobilecards.action", method = RequestMethod.GET)  
    //定义返回参数为ModeAnView
    public ModelAndView listMobilecardsAction(@RequestParam(value = "curPage", required = false)  
    Long curPage)  
    {  

        ModelAndView modelAndView = new ModelAndView();  //这里定义我们要跳转的页面

        if (null == curPage)  
        {  
            curPage = 1l;  
        }  
  
        Pager pager = new Pager();  
        pager.setCurPage(curPage);  
  
        MobilecardService mobilecardService = (MobilecardService) BSSBeanFactory.getBean(MobilecardService.BEAN_NAME);  
        mobilecardService.findMobilecardsByPager(pager);  
  
        modelAndView.addObject("pager", pager);  //这里定义我们要给页面传过去的值,也就是把你的list放到这里
        modelAndView.setViewName("keyword/keyword");
        return modelAndView;  
    }  
}  

public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse           response) throws Exception {
   ........
   response.sendRedirect("photohouxuandetail.do?pid="+pid);
   return null;
}

   return new ModelAndView("redirect:photohouxuandetail.do?pid="+pid);