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;
}
}
<%@ 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;
}
}
