如何在ASP.NET中使用HtmlHelper扩展类实现一个分页功能?很多新手对此不是很清楚,为了帮助大家解决这个难题,下面小编将为大家详细讲解,有这方面需求的人可以来学习下,希望你能有所收获。
专注于为中小企业提供成都做网站、成都网站制作服务,电脑端+手机端+微信端的三站合一,更高效的管理,为中小企业苏尼特右免费做网站提供优质的服务。我们立足成都,凝聚了一批互联网行业人才,有力地推动了1000+企业的稳健成长,帮助中小企业通过网站建设实现规模扩充和转变。1、扩展HtmlHelper类方法ShowPageNavigate
public static HtmlString ShowPageNavigate(this HtmlHelper htmlHelper, int currentPage, int pageSize, int totalCount) { var redirectTo = htmlHelper.ViewContext.RequestContext.HttpContext.Request.Url.AbsolutePath; pageSize = pageSize == 0 ? 3 : pageSize; var totalPages = Math.Max((totalCount + pageSize - 1) / pageSize, 1); //总页数 var output = new StringBuilder(); if (totalPages > 1) { output.AppendFormat("首页 ", redirectTo, pageSize); if (currentPage > 1) {//处理上一页的连接 output.AppendFormat("上一页 ", redirectTo, currentPage - 1, pageSize); } 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.AppendFormat("{3} ", redirectTo, currentPage, pageSize, currentPage); } else {//一般页处理 output.AppendFormat("{3} ", redirectTo, currentPage + i - currint, pageSize, currentPage + i - currint); } } output.Append(" "); } if (currentPage < totalPages) {//处理下一页的链接 output.AppendFormat("下一页 ", redirectTo, currentPage + 1, pageSize); } output.Append(" "); if (currentPage != totalPages) { output.AppendFormat("末页 ", redirectTo, totalPages, pageSize); } output.Append(" "); } output.AppendFormat("", currentPage, totalPages);//这个统计加不加都行 return new HtmlString(output.ToString()); }
2、添加公共类PagerInfo,PageQuery
public class PagerInfo { public int RecordCount { get; set; } public int CurrentPageIndex { get; set; } public int PageSize { get; set; } } public class PagerQuery{ public PagerQuery(TPager pager, TEntityList entityList) { this.Pager = pager; this.EntityList = entityList; } public TPager Pager { get; set; } public TEntityList EntityList { get; set; } }
3、然后在Controller里面添加Action
public ActionResult Index(int? pageSize, int? pageIndex) { int pageIndex1 = pageIndex ?? 1; int pageSize1 = pageSize ?? 5; int count = 0; //从数据库在取得数据,并返回总记录数 var temp = newsSer.LoadPageEntities(c => true, c => c.id, false, pageSize1, pageIndex1, out count); PagerInfo pager = new PagerInfo(); pager.CurrentPageIndex = pageIndex1; pager.PageSize = pageSize1; pager.RecordCount = count; PagerQuery> query = new PagerQuery >(pager, temp); return View(query); }
4、View里的部分代码
@foreach (var item in Model.EntityList) {} @*分页*@ @item.author @item.title @item.ctime @Html.ActionLink("编辑", "Edit", new { id = item.id }) | @Html.ActionLink("删除", "Delete", new { id = item.id }) @Html.ShowPageNavigate(Model.Pager.CurrentPageIndex, Model.Pager.PageSize, Model.Pager.RecordCount)
5、添加一些样式
.paginator { font: 12px Arial, Helvetica, sans-serif; padding: 10px 20px 10px 0; margin: 0px auto; } .paginator a { border: solid 1px #ccc; color: #0063dc; cursor: pointer; text-decoration: none; } .paginator a:visited { padding: 1px 6px; border: solid 1px #ddd; background: #fff; text-decoration: none; } .paginator .cpb { border: 1px solid #F50; font-weight: 700; color: #F50; background-color: #ffeee5; } .paginator a:hover { border: solid 1px #F50; color: #f60; text-decoration: none; } .paginator a, .paginator a:visited, .paginator .cpb, .paginator a:hover { float: left; height: 16px; line-height: 16px; min-width: 10px; _width: 10px; margin-right: 5px; text-align: center; white-space: nowrap; font-size: 12px; font-family: Arial,SimSun; padding: 0 3px; } .paginator label { display:block; float:left; }
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