MVC HtmlHelper扩展类(PagingHelper)实现分页功能

using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;

namespace HtmlHelperMvc.Models
{
 /// <summary>
 /// 分页类如果一个页面显示两个列表只需要复制该类到项目中重命名一个就可以
 /// </summary>
 public static class PagingHelper
 {
  #region 属性Property
  /// <summary>
  /// 当前页码
  /// </summary>
  private static int".class值").live("click", function () {
  /// var page = $(this).attr("pagingParamName值");
  /// $("#order").html("").load("/Customer/Order"+page);
  /// });live自动给遍历增加事件
  /// </summary>
  /// <param name="html"></param>
  /// <param name="htmlAttributes">new {@class="grey",pagingParamName="page",href="/Admin/Product/Index" rel="external nofollow" } pagingParamName默认page,匿名类添加控件属性</param>
  /// <returns></returns>
  public static MvcHtmlString Paging(this System.Web.Mvc.HtmlHelper html, object htmlAttributes)
  {
   RouteValueDictionary values = new RouteValueDictionary(htmlAttributes);
   #region 属性赋值
   if (values["href"] != null)
   {
    PagingUrl = values["href"].ToString();
   }
   if (values["pagingParamName"] != null)
   {
    PagingParamName = values["pagingParamName"].ToString();
    values.Remove("pagingParamName");
   }
   else
   {
    PagingParamName = "page";
   }
   #endregion
   #region 分页最外层div/span
   TagBuilder builder = new TagBuilder("div");//span
   //创建Id,注意要先设置IdAttributeDotReplacement属性后再执行GenerateId方法. 
   //builder.IdAttributeDotReplacement = "_";
   //builder.GenerateId(id);
   //builder.AddCssClass("");
   //builder.MergeAttributes(values);
   builder.InnerHtml = PagingBuilder(values);
   #endregion
   return MvcHtmlString.Create(builder.ToString(TagRenderMode.Normal));//解决直接显示html标记
  }
  private static string PagingBuilder(RouteValueDictionary values)
  {
   #region 条件搜索时包括其他参数
   StringBuilder urlParameter = new StringBuilder();
   NameValueCollection collection = HttpContext.Current.Request.QueryString;
   string[] keys = collection.AllKeys;
   for (int i = 0; i < keys.Length; i++)
   {
    if (keys[i].ToLower() != "page")
    {
     urlParameter.AppendFormat("&{0}={1}", keys[i], collection[keys[i]]);
    }
   }
   #endregion
   //CurrentPage = Convert.ToInt32(HttpContext.Current.Request.QueryString["page"] "0");
   StringBuilder sb = new StringBuilder();
   #region 分页统计
   sb.AppendFormat("Total &nbsp;{0} &nbsp; Records Page &nbsp;{1} of &nbsp;{2} &nbsp; ", TotalCount, CurrentPage, TotalPages);
   #endregion
   #region 首页 上一页
   sb.AppendFormat(TagBuilder(values, 1, " First"));
   //sb.AppendFormat("<a href={0}",url,urlParameter);
   if (HasPreviousPage)
   {
    sb.AppendFormat(TagBuilder(values, CurrentPage - 1, " Prev "));
    //sb.AppendFormat("<a href={0}", url, CurrentPage - 1, urlParameter);
   }
   #endregion
   #region 分页逻辑
   if (TotalPages > 10)
   {
    if ((CurrentPage + 5) < TotalPages)
    {
     if (CurrentPage > 5)
     {
      for (int i = CurrentPage - 5; i <= CurrentPage + 5; i++)
      {
       sb.Append(TagBuilder(values, i, i.ToString()));
      }
     }
     else
     {
      for (int i = 1; i <= 10; i++)
      {
       sb.Append(TagBuilder(values, i, i.ToString()));
      }
     }
     sb.Append("...&nbsp;");
    }
    else
    {
     for (int i = CurrentPage - 10; i <= TotalPages; i++)
     {
      sb.Append(TagBuilder(values, i, i.ToString()));
     }
    }
   }
   else
   {
    for (int i = 1; i <= TotalPages; i++)
    {
     sb.Append("&nbsp;" + TagBuilder(values, i, i.ToString()) + "&nbsp");
    }
   }
   #endregion
   #region 下一页 末页
   if (HasNextPage)
   {
    sb.AppendFormat(TagBuilder(values, CurrentPage + 1, "Next"));
    //sb.AppendFormat("<a href={0}", url, CurrentPage + 1, urlParameter);
   }
   sb.AppendFormat(TagBuilder(values, TotalPages, "Last"));
   //sb.AppendFormat("<a href={0}",url,TotalPages,urlParameter);
   #endregion
   return sb.ToString();
  }
  private static string TagBuilder(RouteValueDictionary values, int i, string innerText)
  {
   values[PagingParamName] = i;
   TagBuilder tag = new TagBuilder("a");
   if (PagingUrl != null)
   {
    values["href"] = PagingUrl + "" + PagingParamName + "= " + i + "&nbsp;&nbsp;&nbsp;";
   }
   if (CurrentPage == i && innerText != " First" && innerText != " Last")
   {
    values["id"] = "on";
   }
   else
   {
    tag.Attributes["id"] = "";
   }
   tag.MergeAttributes(values);
   tag.SetInnerText(innerText);
   return tag.ToString();
  }
  #endregion
 }
}

//
// GET: /Home/

public ActionResult Index(int"htmlcode">

@{
 ViewBag.Title = "Index";
}
@using HtmlHelperMvc.Models;
<h2>Index</h2>
<hr />
<style type="text/css">
 #on
 {
  color: #FFF;
  background-color: #337AB7;
  border-color: #337AB7;
 }

 .pagination a
 {
  margin-right: 3px;
  padding: 5px 10px;
  font-size: 12px;
  text-decoration: none;
  background-color: #fff;
  border: 1px solid #ddd;
  cursor: pointer;
  display: inline-block;
  border-radius: 3px;
 }

 a
 {
  color: #337ab7;
  text-decoration: none;
 }

 a
 {
  background-color: transparent;
 }

 *
 {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
 }
</style>
<script src="/UploadFiles/2021-04-02/jquery-1.8.2.js">

最终效果图：

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