日期:2014-05-17 浏览次数:20489 次
public IList<web_AppLogo> list() { try { var data = db.web_AppLogo.ToList(); return data; } catch (Exception) { return null; } }
public interface IAppLogoService { IList<web_AppLogo> list(); }
public ActionResult List(int? id, int? Page) { var data = service.list(); int PageSize = 10; int PageIndex = Page ?? 1; if (PageIndex < 1) PageIndex = 1; ViewData["PageIndex"] = PageIndex; ViewData["PageSize"] = PageSize; ViewData["ReCordCount"] = data.Count(); return View(WebPage.GetPageList(data, PageIndex, PageSize)); }
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; using System.Web.Mvc.Html; using System.Text; namespace System.Web.Mvc { public static class WebPage { public static IQueryable<T> GetPageList<T>(IOrderedQueryable<T> List, int PageIndex, int PageSize) { int PageCount = GetPageCount(PageSize, List.Count()); PageIndex = CheckPageIndex(PageIndex, PageCount); return List.Skip((PageIndex - 1) * PageSize).Take(PageSize); } public static int GetPageCount(int PageSize, int recordCount) { int PageCount = recordCount % PageSize == 0 ? recordCount / PageSize : recordCount / PageSize + 1; if (PageCount < 1) PageCount = 1; return PageCount; } public static int CheckPageIndex(int PageIndex, int PageCount) { if (PageIndex > PageCount) PageIndex = PageCount; if (PageIndex < 1) PageIndex = 1; return PageIndex; } public enum WebPageMode { Normal, Numeric, GroupNumeric } public static MvcHtmlString ShowWebPage(this HtmlHelper Html, string urlFormat, int PageIndex, int PageSize, int recordCount, WebPageMode Mode) { urlFormat = urlFormat.Replace("%7B0%7D", "{0}"); int PageCount = GetPageCount(PageSize, recordCount); StringBuilder TempHtml = new StringBuilder(); TempHtml.AppendFormat("总共{0}条记录,共{1}页,当前第{2}页 ", recordCount, PageCount, PageIndex); if (PageIndex == 1) { TempHtml.Append("首页 上一页 "); } else { TempHtml.AppendFormat("<a href=\"{0}\">首页</a> ", string.Format(urlFormat, 1)) .AppendFormat("<a href=\"{0}\">上一页</a> ", string.Format(urlFormat, PageIndex - 1)); } // 数字分页 switch (Mode) { case WebPageMode.Numeric: