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一個支持普通分頁和綜合分頁的MVC分頁Helper

 更新時間：2016年09月18日 11:27:11   作者：高山流水2012  
這篇文章主要為大家詳細(xì)介紹了一個支持普通分頁和綜合分頁的MVC分頁Helper,具有一定的參考價值，感興趣的小伙伴們可以參考一下

本人寫的一個分頁Helper，支持普通分頁（也就是，首頁、上一頁、下一頁、末頁等），綜合分頁（普通分頁和數(shù)字分頁的綜合）。

下面是分頁效果：

分頁代碼：

PagerHelper.cs

using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using System.Web;
using System.Text;
using System.Web.Mvc;
using System.Web.Routing;
using System.Data.Objects.DataClasses;
namespace System.Web.Mvc
{
 public static class PagerHelper
 {
 /// <summary>
 /// 分頁
 /// </summary>
 /// <param name="helper"></param>
 /// <param name="id">分頁id</param>
 /// <param name="currentPageIndex">當(dāng)前頁</param>
 /// <param name="pageSize">分頁尺寸</param>
 /// <param name="recordCount">記錄總數(shù)</param>
 /// <param name="htmlAttributes">分頁頭標(biāo)簽屬性</param>
 /// <param name="className">分頁樣式</param>
 /// <param name="mode">分頁模式</param>
 /// <returns></returns>
 public static string Pager(this HtmlHelper helper, string id, int currentPageIndex, int pageSize, int recordCount, object htmlAttributes, string className,PageMode mode)
 {
  TagBuilder builder = new TagBuilder("table");
  builder.IdAttributeDotReplacement = "_";
  builder.GenerateId(id);
  builder.AddCssClass(className);
  builder.MergeAttributes(new RouteValueDictionary(htmlAttributes));
  builder.InnerHtml = GetNormalPage(currentPageIndex, pageSize, recordCount,mode);
  return builder.ToString();
 }
 /// <summary>
 /// 分頁
 /// </summary>
 /// <param name="helper"></param>
 /// <param name="id">分頁id</param>
 /// <param name="currentPageIndex">當(dāng)前頁</param>
 /// <param name="pageSize">分頁尺寸</param>
 /// <param name="recordCount">記錄總數(shù)</param>
 /// <param name="className">分頁樣式</param>
 /// <returns></returns>
 public static string Pager(this HtmlHelper helper, string id, int currentPageIndex, int pageSize, int recordCount, string className)
 {
  return Pager(helper, id, currentPageIndex, pageSize, recordCount, null, className,PageMode.Normal);
 }
 /// <summary>
 /// 分頁
 /// </summary>
 /// <param name="helper"></param>
 /// <param name="id">分頁id</param>
 /// <param name="currentPageIndex">當(dāng)前頁</param>
 /// <param name="pageSize">分頁尺寸</param>
 /// <param name="recordCount">記錄總數(shù)</param>
 /// <returns></returns>
 public static string Pager(this HtmlHelper helper,string id,int currentPageIndex,int pageSize,int recordCount)
 {
  return Pager(helper, id, currentPageIndex, pageSize, recordCount,null);
 }
 /// <summary>
 /// 分頁
 /// </summary>
 /// <param name="helper"></param>
 /// <param name="id">分頁id</param>
 /// <param name="currentPageIndex">當(dāng)前頁</param>
 /// <param name="pageSize">分頁尺寸</param>
 /// <param name="recordCount">記錄總數(shù)</param>
 /// <param name="mode">分頁模式</param>
 /// <returns></returns>
 public static string Pager(this HtmlHelper helper, string id, int currentPageIndex, int pageSize, int recordCount,PageMode mode)
 {
  return Pager(helper, id, currentPageIndex, pageSize, recordCount, null,mode);
 }
 /// <summary>
 /// 分頁
 /// </summary>
 /// <param name="helper"></param>
 /// <param name="id">分頁id</param>
 /// <param name="currentPageIndex">當(dāng)前頁</param>
 /// <param name="pageSize">分頁尺寸</param>
 /// <param name="recordCount">記錄總數(shù)</param>
 /// <param name="className">分頁樣式</param>
 /// <param name="mode">分頁模式</param>
 /// <returns></returns>
 public static string Pager(this HtmlHelper helper, string id, int currentPageIndex, int pageSize, int recordCount,string className, PageMode mode)
 {
  return Pager(helper, id, currentPageIndex, pageSize, recordCount, null,className,mode);
 }
 /// <summary>
 /// 獲取普通分頁
 /// </summary>
 /// <param name="currentPageIndex"></param>
 /// <param name="pageSize"></param>
 /// <param name="recordCount"></param>
 /// <returns></returns>
 private static string GetNormalPage(int currentPageIndex, int pageSize, int recordCount,PageMode mode)
 {
  int pageCount = (recordCount%pageSize ==0?recordCount/pageSize:recordCount/pageSize+1);
  StringBuilder url = new StringBuilder();
  url.Append(HttpContext.Current.Request.Url.AbsolutePath+"?page={0}");
  NameValueCollection collection = HttpContext.Current.Request.QueryString;
  string[] keys = collection.AllKeys;
  for (int i = 0; i < keys.Length; i++)
  {
  if (keys[i].ToLower() != "page")
   url.AppendFormat("&{0}={1}", keys[i], collection[keys[i]]);
  }
  StringBuilder sb = new StringBuilder();
  sb.Append("<tr><td>");
  sb.AppendFormat("總共{0}條記錄,共{1}頁,當(dāng)前第{2}頁&nbsp;&nbsp;", recordCount, pageCount, currentPageIndex);
  if (currentPageIndex == 1)
  sb.Append("<span>首頁</span>&nbsp;");
  else
  {
  string url1 = string.Format(url.ToString(), 1);
  sb.AppendFormat("<span><a href={0}>首頁</a></span>&nbsp;", url1);
  }
  if (currentPageIndex > 1)
  {
  string url1 = string.Format(url.ToString(), currentPageIndex - 1);
  sb.AppendFormat("<span><a href={0}>上一頁</a></span>&nbsp;", url1);
  }
  else
  sb.Append("<span>上一頁</span>&nbsp;");
  if(mode == PageMode.Numeric)
  sb.Append(GetNumericPage(currentPageIndex,pageSize,recordCount,pageCount,url.ToString()));
  if (currentPageIndex < pageCount)
  {
  string url1 = string.Format(url.ToString(), currentPageIndex+1);
  sb.AppendFormat("<span><a href={0}>下一頁</a></span>&nbsp;", url1);
  }
  else
  sb.Append("<span>下一頁</span>&nbsp;");

  if (currentPageIndex == pageCount)
  sb.Append("<span>末頁</span>&nbsp;");
  else
  {
  string url1 = string.Format(url.ToString(), pageCount);
  sb.AppendFormat("<span><a href={0}>末頁</a></span>&nbsp;", url1);
  }
  return sb.ToString();
 }
 /// <summary>
 /// 獲取數(shù)字分頁
 /// </summary>
 /// <param name="currentPageIndex"></param>
 /// <param name="pageSize"></param>
 /// <param name="recordCount"></param>
 /// <param name="pageCount"></param>
 /// <param name="url"></param>
 /// <returns></returns>
 private static string GetNumericPage(int currentPageIndex, int pageSize, int recordCount, int pageCount,string url)
 {
  int k = currentPageIndex / 10;
  int m = currentPageIndex % 10;
  StringBuilder sb = new StringBuilder();
  if (currentPageIndex / 10 == pageCount / 10)
  {
  if (m == 0)
  {
   k--;
   m = 10;
  }
  else
   m = pageCount%10;
  }
  else
  m = 10;
  for (int i = k * 10 + 1; i <= k * 10 + m; i++)
  {
  if (i == currentPageIndex)
   sb.AppendFormat("<span><font color=red><b>{0}</b></font></span>&nbsp;", i);
  else
  {
   string url1 = string.Format(url.ToString(), i);
   sb.AppendFormat("<span><a href={0}>{1}</a></span>&nbsp;",url1, i);
  }
  }
  
  return sb.ToString();
 }
 }
 /// <summary>
 /// 分頁模式
 /// </summary>
 public enum PageMode
 {
 /// <summary>
 /// 普通分頁模式
 /// </summary>
 Normal,
 /// <summary>
 /// 普通分頁加數(shù)字分頁
 /// </summary>
 Numeric
 }
}

PagerQuery.cs包含兩個屬性，一個是PageInfo實(shí)體類屬性Pager，包含RecordCount，CurrentPageIndex，PageSize三個屬性。一個是Model EntityList屬性。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace System.Web.Mvc
{
 public class PagerQuery<TPager,TEntityList>
 {
 public PagerQuery(TPager pager, TEntityList entityList)
 {
  this.Pager = pager;
  this.EntityList = entityList;
 }
 public TPager Pager { get; set; }
 public TEntityList EntityList { get; set; } 
 }
}

PageInfo.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace System.Web.Mvc
{
 public class PagerInfo
 {
 public int RecordCount { get; set; }

 public int CurrentPageIndex { get; set; }

 public int PageSize { get; set; }
 }
}

使用示例：

@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<PagerQuery<PagerInfo, IList<NewsArticleInfo>>>" %>

<asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server">
 NewsList
</asp:Content>

<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">

 <h2>NewsList</h2>

 <table>
 <tr>
  <th></th>
  <th>
  NoteID
  </th>
  <th>
  Title
  </th>
  <th>
  Author
  </th>
  <th>
  Hit
  </th>
  <th>
  ReplyNum
  </th>
  
 </tr>

 <% foreach (var item in Model.EntityList) { %>
 
 <tr>
  <td>
  <%= Html.ActionLink("Edit", "Edit", new { /* id=item.PrimaryKey */ }) %> |
  <%= Html.ActionLink("Details", "NewsDetail", new { noteID=item.NoteID })%>
  </td>
  <td>
  <%= Html.Encode(item.NoteID) %>
  </td>
  <td>
  <%= Html.Encode(item.Title) %>
  </td>
  <td>
  <%= Html.Encode(item.Author)%>
  </td>
  <td>
  <%= Html.Encode(item.Hit)%>
  </td>
  <td>
  <%= Html.Encode(item.ReplyNum)%>
  </td>
  
 </tr>
 
 <% } %>

 </table>

 <p>
 <%=Html.Pager("pager",Model.Pager.CurrentPageIndex,Model.Pager.PageSize,Model.Pager.RecordCount,PageMode.Numeric) %>
 </p>

</asp:Content>

 controler：

[AcceptVerbs(HttpVerbs.Get)]
 public ActionResult NewsList(int boardID,int? page)
 {
  PagerInfo pager = new PagerInfo();
  NewsArticleInfo info = new NewsArticleInfo();
  info.NewsBoard = new NewsBoardInfo();
  info.NewsBoard.BoardID = boardID;
  pager.RecordCount = Resolve<INewsBLL>().GetArticleDataList(info, ArticleTypeEnum.Pass);
  pager.PageSize = 10;
  pager.CurrentPageIndex = (page!=null?(int)page:1);
  IList<NewsArticleInfo> result = Resolve<INewsBLL>().GetArticleDataList(pager.CurrentPageIndex, pager.PageSize, ArticleTypeEnum.Pass, info);
  PagerQuery<PagerInfo, IList<NewsArticleInfo>> query = new PagerQuery<PagerInfo, IList<NewsArticleInfo>>(pager,result);
  return View(query);
 }

源碼下載：http://xiazai.jb51.net/201609/yuanma/MvcPager(jb51.net).rar

以上就是本文的全部內(nèi)容，希望對大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。

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