zoukankan      html  css  js  c++  java
  • asp.net 长内容文章自动分页

    前台代码:
    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="articleview.aspx.cs" Inherits="articleview" %>
    <%@ Register Src="~/head.ascx" TagName="head" TagPrefix="uc1" %>
    <%@ Register Src="~/right.ascx" TagName="right" TagPrefix="uc2" %>
    <%@ Register Src="~/foot.ascx" TagName="foot" TagPrefix="uc3" %>

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <title><%# strTitle %>-评选动态-校园十大人物评选活动-山东建筑大学法政学院</title>
    <link href="css.css" rel="stylesheet" type="text/css" />
    </head>
    <body>
    <form id="form1" runat="server">
        <div class="warper">
            <uc1:head ID="head" runat="server" />
            <div class="content">
                <div class="left_cont">
                     <div class="daohang">当前位置:<a href="default.aspx">首页</a> >> <a href="dongtai.aspx"> 评选动态</a> >> 正文</div>
                    <div class="pxdt third">
                        <div class="cont_title"> <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label></div>
                        <div class="a_page f_color">文章发表时间:<span><asp:Label ID="Label2" runat="server" Text="Label"></asp:Label></span>  来源:<span><asp:Label ID="Label3" runat="server" Text="Label"></asp:Label></span></div>
                        <div class="body_cont">
                            <asp:Label ID="Label4" runat="server" Text="Label"></asp:Label>
                            <asp:Label ID="labPageNumber" Font-Size="14px" runat="server"> </asp:Label>
                        </div>
                    </div>
                </div>
                <uc2:right ID="right" runat="server" />
                <div class="clear"></div>
            </div>
            <uc3:foot ID="foot" runat="server" />
            
        </div>
    </form>
    </body>
    </html>

    后台代码:
    using System;
    using System.Data;
    using System.Configuration;
    using System.Collections;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Web.UI.HtmlControls;

    public partial class articleview : System.Web.UI.Page
    {
        DbClass.DbAccesscontrol conn = new DbClass.DbAccesscontrol();
        public string strTitle = "";
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                string strid = Request.QueryString["id"].ToString();
                int fid = 1;
                try
                {
                    fid = int.Parse(strid);
                }
                catch
                { }

                string strsql = "select * from YS_NewsInfo where id=" + fid;
                DataTable dt = (DataTable)conn.gettable(strsql);
                strTitle = dt.Rows[0]["title"].ToString();
                Label1.Text = dt.Rows[0]["title"].ToString();
                Label2.Text = dt.Rows[0]["datetime"].ToString();
                Label3.Text = dt.Rows[0]["from"].ToString();
                Label4.Text = OutputBySize(Server.HtmlDecode(dt.Rows[0]["info"].ToString()),fid);
                DataBind();

            }
        }

        //public string OutputArticle(string strcontent)
        //{
        //    string strid = Request.QueryString["id"].ToString();
        //    int fid = 1;
        //    try
        //    {
        //        fid = int.Parse(strid);
        //    }
        //    catch
        //    { }

        //    string strsql = "select * from YS_NewsInfo where id=" + fid;
        //    DataTable dt = (DataTable)conn.gettable(strsql);
        //    //strTitle = dt.Rows[0]["title"].ToString();
        //    //Label1.Text = dt.Rows[0]["title"].ToString();
        //    //Label2.Text = dt.Rows[0]["datetime"].ToString();
        //    //Label3.Text = dt.Rows[0]["from"].ToString();
        //    //Label4.Text = OutputBySize(Server.HtmlDecode(dt.Rows[0]["info"].ToString()));
        //    //DataBind();
        //    //return conn.NoHTML(Server.HtmlDecode(dt.Rows[0]["info"].ToString()));
        //    return Server.HtmlDecode(dt.Rows[0]["info"].ToString());
        //}

        public string OutputBySize(string p_strContent,int pageid)
        {
            string m_strRet = p_strContent;
            int m_intPageSize = 1000;//文章每页大小
            int m_intCurrentPage = 1;//设置第一页为初始页
            int m_intTotalPage = 0;
            int m_intArticlelength = p_strContent.Length;//文章长度
            if (m_intPageSize < m_intArticlelength)
            {//如果每页大小大于文章长度时就不用分页了
                if (m_intArticlelength % m_intPageSize == 0)
                {//set total pages count
                    m_intTotalPage = m_intArticlelength / m_intPageSize;
                }
                else
                {//if the totalsize
                    m_intTotalPage = m_intArticlelength / m_intPageSize + 1;
                }
                if (Request.QueryString["pages"] != null)
                {//set Current page number
                    try
                    {//处理不正常的地址栏的值
                        m_intCurrentPage = Convert.ToInt32(Request.QueryString["pages"]);
                        if (m_intCurrentPage > m_intTotalPage)
                            m_intCurrentPage = m_intTotalPage;
                    }
                    catch
                    {
                        m_intCurrentPage = m_intCurrentPage;
                    }
                }
                //set the page content 设置获取当前页的大小
                m_intPageSize = m_intCurrentPage < m_intTotalPage ? m_intPageSize : (m_intArticlelength - m_intPageSize * (m_intCurrentPage - 1));
                m_strRet = p_strContent.Substring(m_intPageSize * (m_intCurrentPage - 1), m_intPageSize);
                string m_strPageInfo = "<p></p>";
                for (int i = 1; i <= m_intTotalPage; i++)
                {
                    if (i == m_intCurrentPage)
                        m_strPageInfo += "<b>" + i + "</b>|";
                    else
                        m_strPageInfo += "<a href=articleview.aspx?id=" + pageid + "&pages=" + i + ">" + i + "</a>|";
                }
                //输出显示各个页码
                this.labPageNumber.Text = m_strPageInfo;
            }
            return m_strRet;
        }
    }
  • 相关阅读:
    poj3475
    poj2665
    poj2583
    poj2656
    【API进阶之路】破圈,用一个API代替10人内容团队
    除了方文山,用TA你也能帮周杰伦写歌词了
    敏捷转型谁先动:老总,项目经理or团队
    实战案例丨使用云连接CC和数据复制服务DRS实现跨区域RDS迁移和数据同步
    9块钱,构建个私有网盘,关键不限速
    终端传感了解吗?18个知识点为你扫盲
  • 原文地址:https://www.cnblogs.com/qingshan/p/1627892.html
Copyright © 2011-2022 走看看