学步园

using System.Text;
using System.Web.Routing;
namespace System.Web.Mvc
{
    public static class PagerHelper
    {
        /// <summary>
        /// 获取分页
        /// </summary>
        /// <param name="urlFormat">url格式，用{0}代替页码</param>
        /// <param name="pageIndex">当前页</param>
        /// <param name="pageSize">总页数</param>
        /// <param name="recordCount">总记录数</param>
        /// <param name="mode">分页模式</param>
        /// <returns>html</returns>
        public static string Pager(this HtmlHelper helper, string urlFormat, int pageIndex, int pageSize, int recordCount, PageMode mode)
        {
            urlFormat = urlFormat.Replace("%7B0%7D", "{0}");
            int pageCount = (recordCount % pageSize == 0 ? recordCount / pageSize : recordCount / pageSize + 1);
            StringBuilder sb = new StringBuilder();
            sb.AppendFormat("总共{0}条记录,共{1}页,当前第{2}页&nbsp;&nbsp;", recordCount, pageCount, pageIndex);
            if (pageIndex == 1)
                sb.Append("首页&nbsp;");
            else
            {
                string url1 = string.Format(urlFormat.ToString(), 1);
                sb.AppendFormat("<a href={0}>首页</a>&nbsp;", url1);
            }
            if (pageIndex > 1)
            {
                string url1 = string.Format(urlFormat.ToString(), pageIndex - 1);
                sb.AppendFormat("<a href={0}>上一页</a>&nbsp;", url1);
            }
            else
                sb.Append("上一页&nbsp;");
            if (mode == PageMode.Numeric)
                sb.Append(GetNumericPage(urlFormat.ToString(), pageIndex, pageSize, recordCount, pageCount));
            if (pageIndex < pageCount)
            {
                string url1 = string.Format(urlFormat.ToString(), pageIndex + 1);
                sb.AppendFormat("<a href={0}>下一页</a>&nbsp;", url1);
            }
            else
                sb.Append("下一页&nbsp;");
            if (pageIndex == pageCount)
                sb.Append("末页");
            else
            {
                string url1 = string.Format(urlFormat.ToString(), pageCount);
                sb.AppendFormat("<a href={0}>末页</a>", url1);
            }
            return sb.ToString();
        }
        /// <summary>
        /// 获取数字分页
        /// </summary>
        private static string GetNumericPage(string url, int pageIndex, int pageSize, int recordCount, int pageCount)
        {
            int k = pageIndex / 10;
            int m = pageIndex % 10;
            StringBuilder sb = new StringBuilder();
            if (pageIndex / 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 == pageIndex)
                    sb.AppendFormat("<span style=\"color: red\">{0}</span>&nbsp;", i);
                else
                {
                    string url1 = string.Format(url.ToString(), i);
                    sb.AppendFormat("<a href={0}>{1}</a>&nbsp;", 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
    }
}

 

<%= Html.Pager(Url.Action("Main",new {page="{0}"}),10,10,1000, PageMode.Numeric) %>

 

以{0}代替页索引的参数即可,使用非常方便.