MVC HtmlHelper擴(kuò)展類PagingHelper實(shí)現(xiàn)分頁(yè)功能，供大家參考，具體內(nèi)容如下
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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> /// 分頁(yè)類如果一個(gè)頁(yè)面顯示兩個(gè)列表只需要復(fù)制該類到項(xiàng)目中重命名一個(gè)就可以 /// </summary> public static class PagingHelper { #region 屬性Property /// <summary> /// 當(dāng)前頁(yè)碼 /// </summary> private static int? _currentPage = null; /// <summary> /// 當(dāng)前頁(yè)碼 /// </summary> public static int CurrentPage { get { return _currentPage ?? 1; } set { _currentPage = value; } } /// <summary> /// 每頁(yè)記錄條數(shù) /// </summary> private static int? _pageSize = null; /// <summary> /// 每頁(yè)記錄條數(shù) /// </summary> public static int PageSize { get { return _pageSize ?? 15; } set { _pageSize = value; } } /// <summary> /// 是否顯示上一頁(yè) /// </summary> public static bool HasPreviousPage { get { return (CurrentPage > 1); } } /// <summary> /// 是否顯示下一頁(yè) /// </summary> public static bool HasNextPage { get { return (CurrentPage < TotalPages); } } /// <summary> /// 當(dāng)前頁(yè): /// </summary> public static string CurrentPageDisplayName { get; set; } /// <summary> /// 每頁(yè)顯示: /// </summary> public static string PageSizeDisplayName { get; set; } public static string FirstDisplayName { get; set; } public static string PreDisplayName { get; set; } public static string NextDisplayName { get; set; } public static string LastDisplayName { get; set; } public static string TotalCountDisplayName { get; set; } public static string TotalPagesDisplayName { get; set; } /// <summary> /// 總條數(shù) /// </summary> public static int TotalCount { get; set; } public static int TotalPages { get { return (int)Math.Ceiling(TotalCount / (double)PageSize); //return (TotalCount % PageSize == 0 ? TotalCount / PageSize : TotalCount / PageSize + 1); } } /// <summary> /// 設(shè)置分頁(yè)url eg:/Admin/Product/Index /// </summary> public static string PagingUrl { get; set; } /// <summary> /// 默認(rèn)page,設(shè)置分頁(yè)參數(shù)名 eg:/Admin/Product/Index?PagingParamName=1 /// </summary> public static string PagingParamName { get; set; } #endregion #region Paging String /// <summary> /// MVC分頁(yè) 如果用jquery分頁(yè)只需要class不需要href,用以下實(shí)現(xiàn): /// $(".class值").live("click", function () { /// var page = $(this).attr("pagingParamName值"); /// $("#order").html("").load("/Customer/Order?page="+page); /// });live自動(dòng)給遍歷增加事件 /// </summary> /// <param name="html"></param> /// <param name="htmlAttributes">new {@class="grey",pagingParamName="page",href="/Admin/Product/Index" rel="external nofollow" } pagingParamName默認(rèn)page,匿名類添加控件屬性</param> /// <returns></returns> public static MvcHtmlString Paging(this System.Web.Mvc.HtmlHelper html, object htmlAttributes) { RouteValueDictionary values = new RouteValueDictionary(htmlAttributes); #region 屬性賦值 if (values["href"] != null) { PagingUrl = values["href"].ToString(); } if (values["pagingParamName"] != null) { PagingParamName = values["pagingParamName"].ToString(); values.Remove("pagingParamName"); } else { PagingParamName = "page"; } #endregion #region 分頁(yè)最外層div/span TagBuilder builder = new TagBuilder("div");//span //創(chuàng)建Id,注意要先設(shè)置IdAttributeDotReplacement屬性后再執(zhí)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));//解決直接顯示html標(biāo)記 } private static string PagingBuilder(RouteValueDictionary values) { #region 條件搜索時(shí)包括其他參數(shù) 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 分頁(yè)統(tǒng)計(jì) sb.AppendFormat("Total {0} Records Page {1} of {2} ", TotalCount, CurrentPage, TotalPages); #endregion #region 首頁(yè) 上一頁(yè) sb.AppendFormat(TagBuilder(values, 1, " First")); //sb.AppendFormat("<a href={0}?page=1{1}>First</a> ",url,urlParameter); if (HasPreviousPage) { sb.AppendFormat(TagBuilder(values, CurrentPage - 1, " Prev ")); //sb.AppendFormat("<a href={0}?page={1}{2}>Prev</a> ", url, CurrentPage - 1, urlParameter); } #endregion #region 分頁(yè)邏輯 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("... "); } 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(" " + TagBuilder(values, i, i.ToString()) + " "); } } #endregion #region 下一頁(yè) 末頁(yè) if (HasNextPage) { sb.AppendFormat(TagBuilder(values, CurrentPage + 1, "Next")); //sb.AppendFormat("<a href={0}?page={1}{2}>Next</a> ", url, CurrentPage + 1, urlParameter); } sb.AppendFormat(TagBuilder(values, TotalPages, "Last")); //sb.AppendFormat("<a href={0}?page={1}{2}>Last</a>",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 + " "; } if (CurrentPage == i && innerText != " First" && innerText != " Last") { values["id"] = "on"; } else { tag.Attributes["id"] = ""; } tag.MergeAttributes(values); tag.SetInnerText(innerText); return tag.ToString(); } #endregion }} |
后臺(tái)Controller代碼
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//// GET: /Home/public ActionResult Index(int? page){ page = page ?? 1; PagingHelper.CurrentPage = Convert.ToInt32(page); PagingHelper.PageSize = 20; //{獲取數(shù)據(jù)集的中條數(shù)，以及分頁(yè)的數(shù)據(jù)集} PagingHelper.TotalCount = 2000; return View();} |
前臺(tái)頁(yè)面代碼
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@{ 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="~/Scripts/jquery-1.8.2.js"></script><script type="text/javascript"> $(function () { $(".pagination .active").live("click", function () { $("#page").val($(this).attr("page")); $("#form_Submit").submit(); }); });</script><form id="form_Submit" action="/Home/Index" method="post"> <div class="fix"> <div class="page"> <div class="pagination pagination-sm pull-right" id="pageDiv" style="margin: 0px 0;"> <input type="hidden" id="page" name="page" value="@PagingHelper.CurrentPage" /> @Html.Paging(new { @class = "active" }) </div> </div> </div></form> |
最終效果圖：
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