分页

    //1.1 当前页赋值
            page.setPageIndex(myindex);
            
            //3.总页数=dao.getALl()/pageSize
            int mytotalPages=0;
            int Pages = dao.getAllCount();
            if (Pages%pageSize==0) {
                mytotalPages=Pages/pageSize;
            }else {
                mytotalPages=Pages/pageSize+1;
            }
            page.setTotalPages(mytotalPages);
            page.getTotalPages();
            //4.泛型数据
            List<NewsDetail> list = dao.getOnePageNews(myindex,pageSize);
            //我知道了
            page.setList(list);
            //将泛型集合                放入request作用域
            request.setAttribute("list", page);
            //转发index。jsp    转发不用加名称


            request.getRequestDispatcher("/index.jsp").forward(request, response);
            
        } catch (Exception e) {
            
        }

    
    @Test 
    public void ass() throws Exception{
        List<NewsDetail> list= getOnePageNews(1,3) ;
        for (NewsDetail item : list) {
            System.out.println(item.getNewsTitle());
        }
    }

    public List<NewsDetail> getOnePageNews(int pageIndex, int pageSize)
            throws Exception {
        List<NewsDetail> list=new ArrayList<NewsDetail>();
        
        String sql="select top "+pageSize+" * from newsDetails where newsId not in ( select top "+ (pageIndex-1)*pageSize +" newsId from newsDetails)";
        
        ResultSet rs = executeQuery(sql);
        if(rs!=null){
            while(rs.next()){
                //各个列
                //赋值给单个新闻对象的各个属性
                NewsDetail news=new NewsDetail();
                news.setNewsId(rs.getInt("newsId"));
                news.setNewsTitle(rs.getString("newsTitle"));
                news.setNewsContent(rs.getString("newsContent"));
                news.setNewsCreateDate(rs.getDate("newsCreateDate"));
                
                news.setNewsAuthor(rs.getString("newsAuthor"));
                news.setNewsCategoryId(rs.getInt("newsCategoryId"));

                //单个新闻对象加入新闻泛型
                list.add(news);
            }            
        }
        return list;
    }

    public int getAllCount() throws Exception {
        String sql="select count(1) as num from newsdetails";
        ResultSet rs = this.executeQuery(sql);
        int result=0;
        if(rs!=null)
        {
            if(rs.next())
            {
                result=rs.getInt("num");
            }
        }
        return result;
    }

    

 <p align="right"> 当前页数:[<%=page2.getPageIndex()%>/<%=page2.getTotalPages()%>]&nbsp; <a href="<%=path %>/NewsServlet?pageIndex=<%int num=page2.getPageIndex(); if((num+1)<=page2.getTotalPages())