Asp.net 文章分页
代码
using System;
using System.Data;
using System.Configuration;
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;
using System.Text.RegularExpressions;
/// <summary>
/// LoafPage 的摘要说明
/// </summary>
public class LoafPage
{
public string param = "p"; //要传的参数 (默认)
public string specialString = "|||"; //用与分页的特殊字符(默认)
/// <summary>
/// 默认构造函数 传参 "p" 特殊字符 "|||"
/// </summary>
public LoafPage()
{
///默认构造函数
}
/// <summary>
/// para 是需要传的参数 specialStr 分页需要的特殊字符
/// </summary>
/// <param name="para"></param>
/// <param name="specialStr"></param>
public LoafPage(string para,string specialStr)
{
this.Param = para;
this.SpecialString = specialStr;
}
#region //属性外漏
public string Param
{
get { return param; }
set {param= value ; }
}
public string SpecialString
{
get { return specialString; }
set { specialString =value; }
}
#endregion
#region //分页方法
/// <summary>
/// content 文章全部内容, lit_pageInfo 输出的 分页HTML
/// </summary>
/// <param name="content"></param>
/// <param name="lit_pageInfo"></param>
/// <returns></returns>
public string makePage(string content, Literal lit_pageInfo)
{
string[] conArrays; //存放所有页的文章
int pageSize; //总页数
string pageInfo = string.Empty;// 输出的分页html
int pageid = 1; //当前页数的ID 默认为1
if (HttpContext.Current.Request.QueryString[this.Param] != null)
{
try
{
pageid = int.Parse(HttpContext.Current.Request.QueryString[this.Param]);
}
catch (Exception ex)
{
pageid = 1; //判断异常情况
}
}
if (content.Contains(this.SpecialString)) //判断是否包含该特殊字符 若果否 直接输出原文章
{
string temp = content.Replace(specialString, "^"); //包含用特殊字符替换,注意这其中存在一个隐患^
conArrays = temp.Split('^');
pageSize = conArrays.Length;
pageInfo = "<div id=\"LoafPage\">"; //定义自己的div 便于写样式
pageid = pageid > pageSize ? pageSize : pageid; //如果大于总页数则等于总页数,否则等于当前页
pageid = pageid < 1 ? 1 : pageid; //如果小于1则为1 两次过滤 从而保证 正确性
for (int i = 1; i <= pageSize; i++)
{
if (i == pageid)
{
pageInfo += string.Format("<b>{0}</b>", i);
}
else
{
#region //判断url链接地址----------------
string url = string.Empty; //定义用于输出的分页码
string rawUrl = HttpContext.Current.Request.RawUrl;
if (rawUrl.Contains("?"))
{
if (rawUrl.Contains(string.Format("&{0}", this.Param)))
{
int len = rawUrl.IndexOf(string.Format("&{0}=", this.Param));
url = rawUrl.Substring(0, len) + string.Format("&{0}=", this.Param) + i.ToString();
}
else if (rawUrl.Contains(string.Format("{0}=", this.Param)))
{
url = rawUrl.Substring(0, rawUrl.IndexOf(string.Format("{0}=", this.Param))) + string.Format("{0}=", this.Param) + i.ToString();
}
else
{
Regex reg = new Regex("^(\\w+)\\?(\\w+)=(\\w+)$");
if (reg.IsMatch(rawUrl))
{
url = rawUrl + string.Format("&{0}={1}", this.Param, i.ToString());
}
else
{
url = rawUrl.Substring(0, rawUrl.IndexOf("?")) + string.Format("?{0}={1}", this.Param, i.ToString());
}
}
}
else
{
url = rawUrl + string.Format("?{0}=", this.Param) + i.ToString();
}
#endregion //--------------------------------
pageInfo += string.Format("<a href=\"{0}\">{1}</a>", url, i);
}
}
pageInfo += "</div>";
lit_pageInfo.Text = pageInfo;//输出分页页码 html
if (pageid > pageSize)
{
return conArrays[pageSize - 1];
}
else if (pageid < 1)
{
return conArrays[0];
}
else
{
return conArrays[pageid - 1];
}
}
else
{
return content;
}
}
#endregion
}
using System.Data;
using System.Configuration;
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;
using System.Text.RegularExpressions;
/// <summary>
/// LoafPage 的摘要说明
/// </summary>
public class LoafPage
{
public string param = "p"; //要传的参数 (默认)
public string specialString = "|||"; //用与分页的特殊字符(默认)
/// <summary>
/// 默认构造函数 传参 "p" 特殊字符 "|||"
/// </summary>
public LoafPage()
{
///默认构造函数
}
/// <summary>
/// para 是需要传的参数 specialStr 分页需要的特殊字符
/// </summary>
/// <param name="para"></param>
/// <param name="specialStr"></param>
public LoafPage(string para,string specialStr)
{
this.Param = para;
this.SpecialString = specialStr;
}
#region //属性外漏
public string Param
{
get { return param; }
set {param= value ; }
}
public string SpecialString
{
get { return specialString; }
set { specialString =value; }
}
#endregion
#region //分页方法
/// <summary>
/// content 文章全部内容, lit_pageInfo 输出的 分页HTML
/// </summary>
/// <param name="content"></param>
/// <param name="lit_pageInfo"></param>
/// <returns></returns>
public string makePage(string content, Literal lit_pageInfo)
{
string[] conArrays; //存放所有页的文章
int pageSize; //总页数
string pageInfo = string.Empty;// 输出的分页html
int pageid = 1; //当前页数的ID 默认为1
if (HttpContext.Current.Request.QueryString[this.Param] != null)
{
try
{
pageid = int.Parse(HttpContext.Current.Request.QueryString[this.Param]);
}
catch (Exception ex)
{
pageid = 1; //判断异常情况
}
}
if (content.Contains(this.SpecialString)) //判断是否包含该特殊字符 若果否 直接输出原文章
{
string temp = content.Replace(specialString, "^"); //包含用特殊字符替换,注意这其中存在一个隐患^
conArrays = temp.Split('^');
pageSize = conArrays.Length;
pageInfo = "<div id=\"LoafPage\">"; //定义自己的div 便于写样式
pageid = pageid > pageSize ? pageSize : pageid; //如果大于总页数则等于总页数,否则等于当前页
pageid = pageid < 1 ? 1 : pageid; //如果小于1则为1 两次过滤 从而保证 正确性
for (int i = 1; i <= pageSize; i++)
{
if (i == pageid)
{
pageInfo += string.Format("<b>{0}</b>", i);
}
else
{
#region //判断url链接地址----------------
string url = string.Empty; //定义用于输出的分页码
string rawUrl = HttpContext.Current.Request.RawUrl;
if (rawUrl.Contains("?"))
{
if (rawUrl.Contains(string.Format("&{0}", this.Param)))
{
int len = rawUrl.IndexOf(string.Format("&{0}=", this.Param));
url = rawUrl.Substring(0, len) + string.Format("&{0}=", this.Param) + i.ToString();
}
else if (rawUrl.Contains(string.Format("{0}=", this.Param)))
{
url = rawUrl.Substring(0, rawUrl.IndexOf(string.Format("{0}=", this.Param))) + string.Format("{0}=", this.Param) + i.ToString();
}
else
{
Regex reg = new Regex("^(\\w+)\\?(\\w+)=(\\w+)$");
if (reg.IsMatch(rawUrl))
{
url = rawUrl + string.Format("&{0}={1}", this.Param, i.ToString());
}
else
{
url = rawUrl.Substring(0, rawUrl.IndexOf("?")) + string.Format("?{0}={1}", this.Param, i.ToString());
}
}
}
else
{
url = rawUrl + string.Format("?{0}=", this.Param) + i.ToString();
}
#endregion //--------------------------------
pageInfo += string.Format("<a href=\"{0}\">{1}</a>", url, i);
}
}
pageInfo += "</div>";
lit_pageInfo.Text = pageInfo;//输出分页页码 html
if (pageid > pageSize)
{
return conArrays[pageSize - 1];
}
else if (pageid < 1)
{
return conArrays[0];
}
else
{
return conArrays[pageid - 1];
}
}
else
{
return content;
}
}
#endregion
}
用的时候直接声明一个类(包含2个构造函数),直接用类的的方法 makePage(string content, Literal lit_pageInfo)
样式自己可以随便定义,自己需要就写了一个,可能里面不够严谨,希望大家有错误的地方指正,共同进步~
个人签名:天行健,君子以自强不息