第一种 /// <summary> /// 分页Pager显示 /// </summary> /// <param name="html"></param> /// <param name="currentPageStr">标识当前页码的QueryStringKey</param> /// <param name="pageSize">每页显示</param> /// <param name="totalCount">总数据量</param> /// <returns></returns> public static string Pager(this HtmlHelper html, string currentPageStr, int pageSize, int totalCount) { var queryString = html.ViewContext.HttpContext.Request.QueryString; int currentPage = 1; //当前页 int.TryParse(queryString[currentPageStr], out currentPage); //与相应的QueryString绑定 var totalPages = Math.Max((totalCount + pageSize - 1) / pageSize, 1); //总页数 var dict = new RouteValueDictionary(html.ViewContext.RouteData.Values); var output = new StringBuilder(); foreach (string key in queryString.Keys) if (queryString[key] != null && !string.IsNullOrEmpty(key)) dict[key] = queryString[key]; if (totalPages > 1) { if (currentPage != 1) {//处理首页连接 dict["p"] = 1; output.AppendFormat("{0} ", html.RouteLink("首页", dict)); } if (currentPage > 1) {//处理上一页的连接 dict["p"] = currentPage - 1; output.Append(html.RouteLink("上一页", dict)); } else { output.Append("上一页"); } output.Append(" "); int currint = 5; for (int i = 0; i <= 10; i++) {//一共最多显示10个页码,前面5个,后面5个 if ((currentPage + i - currint) >= 1 && (currentPage + i - currint) <= totalPages) if (currint == i) {//当前页处理 output.Append(string.Format("[{0}]", currentPage)); } else {//一般页处理 dict["p"] = currentPage + i - currint; output.Append(html.RouteLink((currentPage + i - currint).ToString(), dict)); } output.Append(" "); } if (currentPage < totalPages) {//处理下一页的链接 dict["p"] = currentPage + 1; output.Append(html.RouteLink("下一页", dict)); } else { output.Append("下一页"); } output.Append(" "); if (currentPage != totalPages) { dict["p"] = totalPages; output.Append(html.RouteLink("末页", dict)); } output.Append(" "); } output.AppendFormat("{0} / {1}", currentPage, totalPages);//这个统计加不加都行 return output.ToString(); } 第二个 using System.Collections.Generic; using System.Linq; using System.Web; using System.Text; using System.Collections.Specialized; using System.Web.Routing; namespace System.Web.Mvc { public static class PagerHelper { /// /// 分页 /// /// /// 分页id /// 当前页 /// 分页尺寸 /// 记录总数 /// 分页头标签属性 /// 分页样式 /// 分页模式 /// 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("div"); builder.IdAttributeDotReplacement = "_"; builder.GenerateId(id); builder.MergeAttributes(new RouteValueDictionary(htmlAttributes)); builder.InnerHtml = GetNormalPage(helper, currentPageIndex, pageSize, recordCount, mode); return builder.ToString(TagRenderMode.Normal); } /// /// 分页 /// /// /// 分页id /// 当前页 /// 分页尺寸 /// 记录总数 /// 分页样式 /// 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); } /// /// 分页 /// /// /// 分页id /// 当前页 /// 分页尺寸 /// 记录总数 /// public static string Pager(this HtmlHelper helper, string id, int currentPageIndex, int pageSize, int recordCount) { return Pager(helper, id, currentPageIndex, pageSize, recordCount, null); } /// /// 分页 /// /// /// 分页id /// 当前页 /// 分页尺寸 /// 记录总数 /// 分页模式 /// 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); } /// /// 分页 /// /// /// 分页id /// 当前页 /// 分页尺寸 /// 记录总数 /// 分页样式 /// 分页模式 /// 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); } /// /// 获取普通分页 /// /// /// /// /// private static string GetNormalPage(this HtmlHelper helper, int currentPageIndex, int pageSize, int recordCount, PageMode mode) { int pageCount = (recordCount % pageSize == 0 ? recordCount / pageSize : recordCount / pageSize + 1); string url = HttpContext.Current.Request.Url.AbsolutePath + "?page={0}"; string HtmlStr = string.Empty; NameValueCollection collection = HttpContext.Current.Request.QueryString; string[] keys = collection.AllKeys; for (int i = 0; i < keys.Length; i++) { if (keys[i].ToLower() != "page") url += "&" + keys[i] + "=" + collection[keys[i]] + ""; } HtmlStr += "<div class=\"right maunlist\" style=\"width: 520px; float:right;\">"; HtmlStr += "<div class=\"left manur\" style=\"float:right\">"; HtmlStr += "<div class=\"manudisableda\">到第</div>"; HtmlStr += "<div class=\"manudisableda\"><input name=\"\" type=\"text\" id=\"page\" style=\"width:40px; margin-top:2px\"/></div>"; HtmlStr += "<div class=\"manudisableda\">页</div><div class=\"manudisableda\"><a href=\"#\"><img id=\"queding\" src=\"../../list_img/OKBTN.jpg\" width=\"70\" height=\"24\" /></a></div></div>"; // HtmlStr += "<tr><td>总共" + recordCount + "条记录,共" + pageCount + "页,当前第" + currentPageIndex + "页 </td>"; HtmlStr += "<div class=\"left manuleft\" style=\"float:right;\">"; //if (currentPageIndex == 1) // HtmlStr += "<a>首页</a> "; //else //{ // string url1 = string.Format(url.ToString(), 1); // HtmlStr += "<a href=\"" + url1 + "\">首页</a> "; //} if (currentPageIndex > 1) { string url1 = string.Format(url.ToString(), currentPageIndex - 1); HtmlStr += "<a href=\"" + url1 + "\">上一页</a> "; } else HtmlStr += "<span class=\"pageNum\">上一页</span> "; if (mode == PageMode.Numeric) HtmlStr += GetNumericPage(currentPageIndex, pageSize, recordCount, pageCount, url.ToString()); if (currentPageIndex < pageCount) { string url1 = string.Format(url.ToString(), currentPageIndex + 1); HtmlStr += "<a href=\"" + url1 + "\">下一页</a> "; } else HtmlStr += "<span class=\"pageNum\">下一页</span> "; //if (currentPageIndex == pageCount) // HtmlStr += "末页 "; //else //{ // string url1 = string.Format(url.ToString(), pageCount); // HtmlStr += "<a href=\"" + url1 + "\">末页</a> "; //} HtmlStr += "</div>"; HtmlStr += "</div>"; return HtmlStr.ToString(); } /// /// 获取数字分页 /// /// /// /// /// /// /// private static string GetNumericPage(int currentPageIndex, int pageSize, int recordCount, int pageCount, string url) { int page = 5; int count = pageCount % page == 0 ? pageCount / page : (pageCount / page + 1); int k = currentPageIndex / page; int m = currentPageIndex % page; string sbhtml = string.Empty; //当前在第几个分页上 int index = currentPageIndex % page == 0 ? currentPageIndex / page : (currentPageIndex / page + 1); if (index != 1) { sbhtml += "<span>...</span>"; } if (currentPageIndex / page == pageCount / page) { if (m == 0) { k--; m = page; } else m = pageCount % page; } else if (m == 0) { k--; m = page; } else { m = 5; } for (int i = k * page + 1; i <= k * page + m; i++) { if (i == currentPageIndex) sbhtml += "<font class=\"pagertion\">" + string.Format("{0} ", i) + "</font>"; else { string url1 = string.Format(url.ToString(), i); sbhtml += "<a href=\"" + url1 + "\">" + string.Format("{1} ", url1, i) + "</a>"; } } if (count > 1) { if (index < count) { sbhtml += "<span>...</span>"; } } return sbhtml.ToString(); } } /// /// 分页模式 /// public enum PageMode { /// /// 普通分页模式 /// Normal, /// /// 普通分页加数字分页 /// Numeric } }
时间: 2024-10-07 21:46:59