仿百度分页生成页码不涉及数据源（可自行使用）

来源：互联网发布：宝贝第一知乎编辑：程序博客网时间：2024/05/28 05:18

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 }}

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<%@ 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>