public class PageBarHelper//分页类

    {

        public static string GetPageBar(string requestHref,int totalCount,int pageIndex,int pageSize)

        {

            //初始化pageSize，如果为0，默认为5

            pageSize = pageSize ==  ?  : pageSize;

            pageIndex = pageIndex ==  ?  : pageIndex;

            //计算总页数

            int pageCount = Convert.ToInt32(Math.Ceiling((double)(totalCount / pageSize)));

            //构建输出字符串

            StringBuilder sb = new StringBuilder();

            sb.AppendFormat("<div id='pageBar'>");

            //判断pageCount是否足够分页,足够分页时

            if (pageCount > )

            {

                if (pageIndex!=)  //如果当前页不是第一页，显示首页标识

                {

                    sb.AppendFormat("<a href='{0}?pageIndex=1&&pageSize={1}'>首  页", requestHref, pageSize);

                }

                sb.Append("  ");

                if (pageIndex>)  //如果当前页大于1，显示上一页标识

                {

                    sb.AppendFormat("<a href='{0}?pageIndex={1}&&pageSize={2}'>上一页</a>"

                        , requestHref, pageIndex - , pageSize);

                }

                sb.Append("  ");

                if (pageIndex!=pageCount) //如果当前页不是最后一页，显示下一页标识

                {

                    sb.AppendFormat("<a href='{0}?pageIndex={1}&&pageSize={2}'>下一页</a>"

                        , requestHref, pageIndex + , pageSize);

                    sb.AppendFormat("<a href='{0}?pageIndex={1}&&pageSize={2}'>末  页</a>"

                        , requestHref, pageCount, pageSize);

                }

                sb.Append("        ");

            }

            sb.AppendFormat("第{0}页/共{1}页", pageIndex, pageCount);

            sb.AppendFormat("</div>");

            return sb.ToString();

        }

    }