分页链接方法

        /// <summary>
        /// 分页链接
        /// </summary>
        /// <param name="pageSize"></param>
        /// <param name="recordCount"></param>
        /// <param name="currentPage"></param>
        /// <param name="prev">当前页前面显示的数量</param>
        /// <param name="next">当前页后面显示的数量</param>
        /// <returns></returns>
        public string PageLink(int pageSize, int recordCount, int currentPage, int prev, int next)
        {
            int pageCount = recordCount % pageSize == 0 ? (recordCount / pageSize) : ((int)Math.Ceiling((double)recordCount / pageSize));


            StringBuilder sb = new StringBuilder();
            if (currentPage > 1 && recordCount > 1)
            {
                sb.Append("<a href=\"?page=");
                sb.Append((currentPage - 1).ToString());
                sb.Append("\">前一页</a>&nbsp;&nbsp;");
            }

            if (currentPage > prev + 1)
                sb.Append("<a href=\"?page=1\">1</a>&nbsp;...&nbsp;");

            if (currentPage < prev)
                next = next + prev - currentPage + 1;

            if (next > pageCount - currentPage)
                prev = prev + next - (pageCount - currentPage);

            for (int i = 1; i <= pageCount; i++)
            {

                if (i == currentPage)
                {
                    sb.Append("<a href=\"?page=" + i + "\" class=\"current\" ><font color=\"red\">" + i + "</font></a>&nbsp;&nbsp;");
                }
                else
                {

                    if (i > (currentPage - prev - 1) && i < (currentPage + next + 1))
                    {
                        sb.Append("<a href=\"?page=" + i + "\">" + i + "</a>&nbsp;&nbsp;");
                    }

                }
            }

            if (currentPage < pageCount - next)
                sb.Append("...&nbsp;<a href=\"?page=" + pageCount.ToString() + "\">" + pageCount.ToString() + "</a>");

            if (currentPage < pageCount)
                sb.Append("&nbsp;&nbsp;<a href=\"?page=" + (currentPage + 1).ToString() + "\">后一页</a>");

            return sb.ToString();
        }