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(普通分頁和數字分頁的綜合)。
下面是分頁效果:
分頁代碼:
PagerHelper.cs
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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">當前頁</param> /// <param name="pageSize">分頁尺寸</param> /// <param name="recordCount">記錄總數</param> /// <param name="htmlAttributes">分頁頭標簽屬性</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">當前頁</param> /// <param name="pageSize">分頁尺寸</param> /// <param name="recordCount">記錄總數</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">當前頁</param> /// <param name="pageSize">分頁尺寸</param> /// <param name="recordCount">記錄總數</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">當前頁</param> /// <param name="pageSize">分頁尺寸</param> /// <param name="recordCount">記錄總數</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">當前頁</param> /// <param name="pageSize">分頁尺寸</param> /// <param name="recordCount">記錄總數</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,當前第{2}頁 " , recordCount, pageCount, currentPageIndex); if (currentPageIndex == 1) sb.Append( "<span>首頁</span> " ); else { string url1 = string .Format(url.ToString(), 1); sb.AppendFormat( "<span><a href={0}>首頁</a></span> " , url1); } if (currentPageIndex > 1) { string url1 = string .Format(url.ToString(), currentPageIndex - 1); sb.AppendFormat( "<span><a href={0}>上一頁</a></span> " , url1); } else sb.Append( "<span>上一頁</span> " ); 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> " , url1); } else sb.Append( "<span>下一頁</span> " ); if (currentPageIndex == pageCount) sb.Append( "<span>末頁</span> " ); else { string url1 = string .Format(url.ToString(), pageCount); sb.AppendFormat( "<span><a href={0}>末頁</a></span> " , url1); } return sb.ToString(); } /// <summary> /// 獲取數字分頁 /// </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> " , i); else { string url1 = string .Format(url.ToString(), i); sb.AppendFormat( "<span><a href={0}>{1}</a></span> " ,url1, i); } } return sb.ToString(); } } /// <summary> /// 分頁模式 /// </summary> public enum PageMode { /// <summary> /// 普通分頁模式 /// </summary> Normal, /// <summary> /// 普通分頁加數字分頁 /// </summary> Numeric } } |
PagerQuery.cs包含兩個屬性,一個是PageInfo實體類屬性Pager,包含RecordCount,CurrentPageIndex,PageSize三個屬性。一個是Model EntityList屬性。
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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
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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:
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[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:MvcPager.rar
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持服務器之家。