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asp.net MVC分页代码分享

时间:2020-09-17|栏目:ASP.NET|点击:

本文实例为大家分享了MVC分页代码,供大家参考,具体内容如下

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>
  /// 分页
  /// </summary>
  /// <param name="helper"></param>
  /// <param name="id">分页id</param>
  /// <param name="currentPageIndex">当前页</param>
  /// <param name="pageSize">分页尺寸</param>
  /// <param name="recordCount">记录总数</param>
  /// <param name="htmlAttributes">分页头标签属性</param>
  /// <param name="className">分页样式</param>
  /// <param name="mode">分页模式</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>
  /// 分页
  /// </summary>
  /// <param name="helper"></param>
  /// <param name="id">分页id</param>
  /// <param name="currentPageIndex">当前页</param>
  /// <param name="pageSize">分页尺寸</param>
  /// <param name="recordCount">记录总数</param>
  /// <param name="className">分页样式</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>
  /// 分页
  /// </summary>
  /// <param name="helper"></param>
  /// <param name="id">分页id</param>
  /// <param name="currentPageIndex">当前页</param>
  /// <param name="pageSize">分页尺寸</param>
  /// <param name="recordCount">记录总数</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>
  /// 分页
  /// </summary>
  /// <param name="helper"></param>
  /// <param name="id">分页id</param>
  /// <param name="currentPageIndex">当前页</param>
  /// <param name="pageSize">分页尺寸</param>
  /// <param name="recordCount">记录总数</param>
  /// <param name="mode">分页模式</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>
  /// 分页
  /// </summary>
  /// <param name="helper"></param>
  /// <param name="id">分页id</param>
  /// <param name="currentPageIndex">当前页</param>
  /// <param name="pageSize">分页尺寸</param>
  /// <param name="recordCount">记录总数</param>
  /// <param name="className">分页样式</param>
  /// <param name="mode">分页模式</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>
  /// 获取普通分页
  /// </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("总共{0}条记录,共{1}页,当前第{2}页 ", recordCount, pageCount, currentPageIndex);
   if (currentPageIndex == 1)
    sb.Append("<span>首页</span> ");

   else
   {
    string url1 = string.Format(url.ToString(), 1);
    sb.AppendFormat("<span><a href={0}>首页</a></span> ", url1);

   }

   if (currentPageIndex > 1)
   {
    string url1 = string.Format(url.ToString(), currentPageIndex - 1);
    sb.AppendFormat("<span><a href={0}>上一页</a></span> ", url1);
   }
   else

    sb.Append("<span>上一页</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}>下一页</a></span> ", url1);

   }

   else

    sb.Append("<span>下一页</span> ");

 

   if (currentPageIndex == pageCount)

    sb.Append("<span>末页</span> ");

   else

   {

    string url1 = string.Format(url.ToString(), pageCount);

    sb.AppendFormat("<span><a href={0}>末页</a></span> ", url1);

   }

   return sb.ToString();

  }

  /// <summary>

  /// 获取数字分页

  /// </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>
 /// 分页模式
 /// </summary>
 public enum PageMode
 {
  /// <summary>
  /// 普通分页模式
  /// </summary>
  Normal,
  /// <summary>
  /// 普通分页加数字分页
  /// </summary>
  Numeric
 }

}

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