仿百度产生页码（仅是表现形式）可自行附加数据源
代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
public partial class _Default : System.Web.UI.Page
{
int ToatalCountRecord = 0;
public string pageHmtl = string.Empty;
protected void Page_Load(object sender, EventArgs e)
{
//无数据源测试
//仅仅是个模拟
ToatalCountRecord = 18;
if (Request.QueryString["page"] == null)
pageHmtl = BuildPages(1, 10);
else
pageHmtl = BuildPages(int.Parse(Request.QueryString["page"].ToString()), 10);
//pageHmtl在aspx页面 用<%=pageHmtl%> 输出
}
/// <summary>
/// 构造UI的页面分页演样式及布局不涉及数据
/// </summary>
/// <param name="PageIndex">当前页索引</param>
/// <param name="PageSize">页尺寸（就是每页显示几条）</param>
/// <returns></returns>
public string BuildPages(int PageIndex, int PageSize)
{
int PageStep = 5;//偏移量
int PageCount = (int)Math.Ceiling((double)(ToatalCountRecord) / PageSize);//页数
int NumStep = (int)Math.Ceiling((double)(PageCount) / PageStep);//步数
int CurrentStep=0;
int isNext = 0;//标识符判断是否找到当前页对应的数值
for (int n =1; n <= NumStep;n++ )//循环步数
{
for (int k = (n - 1) * PageStep+1; k <= n * PageStep; k++)
{
// 当前页在索引范围内时
if (PageIndex == k)
{
CurrentStep = n;
isNext = 1;
break;//退出内循环
}
}
if (isNext == 1)
break;//退出外循环
}
string PageUrl = Request.CurrentExecutionFilePath;//当前页
int LeftNum = (CurrentStep - 1) * PageStep + 1;//左界限
int RightNum = PageStep * CurrentStep;//右界限
if (PageCount <= PageStep)
{
LeftNum = 1;
RightNum = PageCount;
}
if (PageCount % PageStep != 0 && CurrentStep == NumStep)
RightNum = PageCount % PageStep + (LeftNum-1);
StringBuilder st = new StringBuilder();
st.Append("<div id=\"pageInfo\" class=\"pages\">\n");
if (PageIndex > 1)//第一页判断
{
st.Append("<a href=\"" + PageUrl + "?page=1\" >首页</a>\n");
st.Append("<a href=\"" + PageUrl + "?page=" + (PageIndex - 1).ToString() + "\" >上一页</a>\n");
}
else
{
st.Append("<a disable=\"disable\" >首页</a>\n");
st.Append("<a disable=\"disable\" >上一页</a>\n");
}
if (LeftNum > 1)
st.Append("<a href=\"" + PageUrl + "?page=" + (LeftNum - 1).ToString() + "\" >...</a>\n");
for (int p = LeftNum; p <= RightNum; p++)
{
if (p == PageIndex)//判断当前页
st.Append("<a class=\"currentbtn\" disable=\"disable\">" + p.ToString() + "</a>\n");
else
st.Append("<a href=\"" + PageUrl + "?page=" + p.ToString() + "\">" + p.ToString() + "</a>\n");
}
if ((LeftNum + PageStep - 1) <= PageCount)
st.Append("<a href=\"" + PageUrl + "?page=" + (RightNum + 1).ToString() + "\">...</a>\n");
if (PageIndex < PageCount)//尾页判断
{
st.Append("<a href=\"" + PageUrl + "?page=" + (PageIndex + 1).ToString() + "\" >下一页</a>\n");
st.Append("<a href=\"" + PageUrl + "?page=" + PageCount.ToString() + "\" >尾页</a>\n");
}
else
{
st.Append("<a disable=\"disable\" >下一页</a>\n");
st.Append("<a disable=\"disable\" >尾页</a>\n");
}
st.Append("</div>");
return st.ToString();//输出页码
}
}
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
public partial class _Default : System.Web.UI.Page
{
int ToatalCountRecord = 0;
public string pageHmtl = string.Empty;
protected void Page_Load(object sender, EventArgs e)
{
//无数据源测试
//仅仅是个模拟
ToatalCountRecord = 18;
if (Request.QueryString["page"] == null)
pageHmtl = BuildPages(1, 10);
else
pageHmtl = BuildPages(int.Parse(Request.QueryString["page"].ToString()), 10);
//pageHmtl在aspx页面 用<%=pageHmtl%> 输出
}
/// <summary>
/// 构造UI的页面分页演样式及布局不涉及数据
/// </summary>
/// <param name="PageIndex">当前页索引</param>
/// <param name="PageSize">页尺寸（就是每页显示几条）</param>
/// <returns></returns>
public string BuildPages(int PageIndex, int PageSize)
{
int PageStep = 5;//偏移量
int PageCount = (int)Math.Ceiling((double)(ToatalCountRecord) / PageSize);//页数
int NumStep = (int)Math.Ceiling((double)(PageCount) / PageStep);//步数
int CurrentStep=0;
int isNext = 0;//标识符判断是否找到当前页对应的数值
for (int n =1; n <= NumStep;n++ )//循环步数
{
for (int k = (n - 1) * PageStep+1; k <= n * PageStep; k++)
{
// 当前页在索引范围内时
if (PageIndex == k)
{
CurrentStep = n;
isNext = 1;
break;//退出内循环
}
}
if (isNext == 1)
break;//退出外循环
}
string PageUrl = Request.CurrentExecutionFilePath;//当前页
int LeftNum = (CurrentStep - 1) * PageStep + 1;//左界限
int RightNum = PageStep * CurrentStep;//右界限
if (PageCount <= PageStep)
{
LeftNum = 1;
RightNum = PageCount;
}
if (PageCount % PageStep != 0 && CurrentStep == NumStep)
RightNum = PageCount % PageStep + (LeftNum-1);
StringBuilder st = new StringBuilder();
st.Append("<div id=\"pageInfo\" class=\"pages\">\n");
if (PageIndex > 1)//第一页判断
{
st.Append("<a href=\"" + PageUrl + "?page=1\" >首页</a>\n");
st.Append("<a href=\"" + PageUrl + "?page=" + (PageIndex - 1).ToString() + "\" >上一页</a>\n");
}
else
{
st.Append("<a disable=\"disable\" >首页</a>\n");
st.Append("<a disable=\"disable\" >上一页</a>\n");
}
if (LeftNum > 1)
st.Append("<a href=\"" + PageUrl + "?page=" + (LeftNum - 1).ToString() + "\" >...</a>\n");
for (int p = LeftNum; p <= RightNum; p++)
{
if (p == PageIndex)//判断当前页
st.Append("<a class=\"currentbtn\" disable=\"disable\">" + p.ToString() + "</a>\n");
else
st.Append("<a href=\"" + PageUrl + "?page=" + p.ToString() + "\">" + p.ToString() + "</a>\n");
}
if ((LeftNum + PageStep - 1) <= PageCount)
st.Append("<a href=\"" + PageUrl + "?page=" + (RightNum + 1).ToString() + "\">...</a>\n");
if (PageIndex < PageCount)//尾页判断
{
st.Append("<a href=\"" + PageUrl + "?page=" + (PageIndex + 1).ToString() + "\" >下一页</a>\n");
st.Append("<a href=\"" + PageUrl + "?page=" + PageCount.ToString() + "\" >尾页</a>\n");
}
else
{
st.Append("<a disable=\"disable\" >下一页</a>\n");
st.Append("<a disable=\"disable\" >尾页</a>\n");
}
st.Append("</div>");
return st.ToString();//输出页码
}
}
html
代码<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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 runat="server">
<title></title>
<style type="text/css">
.pages { color: #999; }
.pages a, .pages .currentbtn {text-decoration:none;float:left;padding:0 5px;border: 1px solid #ddd;background:#ffff;margin:0 2px;color:#000;}
.pages a:hover{background-color: #E61636; color:#fff;border:1px solid #E61636; text-decoration:none;}
.pages .currentbtn {font-weight: bold;color: #fff; background: #E61636; border:1px solid #E61636;}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<%=pageHmtl%>
</div>
</form>
</body>
</html>
<!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 runat="server">
<title></title>
<style type="text/css">
.pages { color: #999; }
.pages a, .pages .currentbtn {text-decoration:none;float:left;padding:0 5px;border: 1px solid #ddd;background:#ffff;margin:0 2px;color:#000;}
.pages a:hover{background-color: #E61636; color:#fff;border:1px solid #E61636; text-decoration:none;}
.pages .currentbtn {font-weight: bold;color: #fff; background: #E61636; border:1px solid #E61636;}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<%=pageHmtl%>
</div>
</form>
</body>
</html>
