自动组建分页页码（多参数）

先找个代码充充门面，不写日志的淫你们伤不起啊 以下代码将组建出整个分页控件的带参结构，全部为a标签

//****************
//coding by abel
//2011.03.07
//***************
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Text;

public class PagerTools
{
    /// <summary>
    /// (SEO)动态组件分页控件
    /// </summary>
    /// <param name="pageTotalCount">总页数</param>
    /// <param name="showPageCount">显示多少个页码</param>
    /// <param name="redirectPage">需跳转页的名字（应用当前页）</param>
    /// <param name="URLParams">自定义参数(可添加任意多个) 必须包含PageIndex键值(页码参数以及当前页的值)</param>
    /// <returns>字符串 Litera接收</returns>  

    public static string BuildPager(int pageTotalCount, int showPageCount, string redirectPage, params URLParam[] URLParams)
    {
        URLParam urlParmPageIndex = URLParams.SingleOrDefault(p => p.Key == "PageIndex");
        if (urlParmPageIndex == null)
        {
            throw new Exception("URLParmas中未包含PageIndex键值");
        }
        //声明当前展示页的页码
        int pageIndex = 0;
        bool pageIndexCheck = int.TryParse(urlParmPageIndex.Value, out pageIndex);
        if (!pageIndexCheck)
        {
            throw new Exception("PageIndex值不合法");
        }
        if (pageIndex > pageTotalCount || pageIndex <= 0)
        {
            throw new Exception("当前页不能大于总页数且不能小于0");
        }
        //声明页面获取当前页页码的参数
        string pageParam = urlParmPageIndex.Key;

        StringBuilder sbUrlParams = new StringBuilder();
        if (URLParams.Length != 0)
        {
            foreach (URLParam parm in URLParams)
            {
                if(parm.Key!="PageIndex")
                    sbUrlParams.AppendFormat("&{0}={1}",parm.Key,parm.Value);
            }
        }

        if (pageTotalCount == 1)
            return "";
        StringBuilder sb = new StringBuilder();
        int begin, go;
        int average = showPageCount / 2;
        if (pageTotalCount > showPageCount + 1)
        {
            if (pageIndex <= average + 1)
            {
                begin = 1; go = showPageCount;
                if (pageIndex != 1)
                    sb.AppendFormat("<a href='{0}?{1}={2}{3}'><<上一页</a>",
                        redirectPage,
                        pageParam,
                        pageIndex - 1,
                        sbUrlParams);

                sb.Append(ShowNavigation(pageIndex,begin, go, redirectPage, pageParam, sbUrlParams.ToString()));

                sb.Append("...");

                sb.AppendFormat("<a href='{0}?{1}={2}{3}'>{2}</a>",
                    redirectPage,
                    pageParam,
                    pageTotalCount,
                    sbUrlParams);

                sb.AppendFormat("<a href='{0}?{1}={2}{3}'>下一页>></a>",
                    redirectPage,
                    pageParam,
                    pageIndex + 1,
                    sbUrlParams);
            }
            else if (pageIndex >= pageTotalCount - average)
            {
                begin = pageTotalCount + 1 - showPageCount; go = pageTotalCount;
                sb.AppendFormat("<a href='{0}?{1}={2}{3}'><<上一页</a>",
                    redirectPage,
                    pageParam,
                    pageIndex - 1,
                    sbUrlParams);

                sb.AppendFormat("<a href='{0}?{1}={2}{3}'>1</a>",
                    redirectPage,
                    pageParam,1,
                    sbUrlParams);

                sb.Append("...");
                sb.Append(ShowNavigation(pageIndex,
                    begin,
                    go,
                    redirectPage,
                    pageParam,
                    sbUrlParams.ToString()));

                if (pageIndex != pageTotalCount)
                    sb.AppendFormat("<a href='{0}?{1}={2}{3}'>下一页>></a>",
                        redirectPage,
                        pageParam,
                        pageIndex + 1,
                        sbUrlParams);
            }

            else
            {
                begin = pageIndex - average;
                go = pageIndex + average;
                sb.AppendFormat("<a href='{0}?{1}={2}{3}'><<上一页</a>",
                    redirectPage,
                    pageParam,
                    pageIndex - 1,
                    sbUrlParams);

                sb.AppendFormat("<a href='{0}?{1}={2}{3}'>1</a>",
                    redirectPage,
                    pageParam, 1,
                    sbUrlParams);

                sb.Append("...");

                sb.Append(ShowNavigation(pageIndex,
                    begin,
                    go,
                    redirectPage,
                    pageParam,
                    sbUrlParams.
                    ToString()));

                sb.Append("...");

                sb.AppendFormat("<a href='{0}?{1}={2}{3}'>{2}</a>",
                    redirectPage,
                    pageParam,
                    pageTotalCount,
                    sbUrlParams);

                sb.AppendFormat("<a href='{0}?{1}={2}{3}'>下一页>></a>",
                    redirectPage,
                    pageParam,
                    pageIndex + 1,
                    sbUrlParams);
            }
        }
        else
        {
            begin = 1; go = pageTotalCount;
            if (pageIndex != 1)
                sb.AppendFormat("<a href='{0}?{1}={2}{3}'><<上一页</a>",
                    redirectPage,
                    pageParam,
                    pageIndex - 1,
                    sbUrlParams);

            sb.Append(ShowNavigation(pageIndex,
                begin,
                go,
                redirectPage,
                pageParam,
                sbUrlParams.
                ToString()));

            if (pageIndex != pageTotalCount)
                sb.AppendFormat("<a href='{0}?{1}={2}{3}'>下一页>></a>",
                    redirectPage,
                    pageParam,
                    pageIndex + 1,
                    sbUrlParams);
        }
        return sb.ToString();
    }

    private static string ShowNavigation(int pageIndex, int from, int to, string redirectPage, string pageParam, string sbUrlParams)
    {
        StringBuilder sb = new StringBuilder();
        for (int i = from; i <= to; i++)
        {
            if (i == pageIndex)
            {
                sb.AppendFormat("<span class='select'>{0}</span>", i);
            }
            else
            {
                sb.AppendFormat("<a href='{0}?{1}={2}{3}'>{2}</a>",
                    redirectPage,
                    pageParam,
                    i,
                    sbUrlParams);
            }
        }
        return sb.ToString();
    }

}
public class URLParam
{
    public string Key { get; set; }
    public string Value { get; set; }

    /// <summary>
    ///
    /// </summary>
    /// <param name="key">键</param>
    /// <param name="value">值</param>
    public URLParam(string key,string value)
    {
        this.Key = key;
        this.Value = value;
    }
}

页面引用如下CSS

       #pager{            
           font-size: 12px;            margin: 25px 0;
           text-align: center;            color: #9D9D9D;
           line-height: 200%;        }        #pager a        {
           border: 1px solid #9D9D9D;            color: black;
           margin-right: 4px;            padding: 2px 8px;
           text-decoration: none;        }        #pager a:hover        {
           border: 1px solid red;            color: red;        }
       #pager span.select{            
           background-color: #9D9D9D;
           border: 1px solid navy;            color: #FFFFFF;
           font-weight: bold;            margin-right: 4px;
           padding: 2px 8px;        }        #pager span.redirect        {
           font-size: 13px;            border: 1px solid #9D9D9D;
           margin-right: 3px;            padding: 1px 7px;
           color: black;        }        #pager input        {
           border: 1px solid #9D9D9D;            width: 30px;        }