代码改变世界

拼分页方法

2015-09-15 08:52  只喝牛奶的杀手  阅读(432)  评论(0)  编辑  收藏  举报
public static string GetPaperHtml(int RecordCount, int PageIndex, int PageSize, string FunName, string FunParams)
        {
            StringBuilder sb = new StringBuilder();
            //页数
            int PageCount = RecordCount / PageSize;
            if (RecordCount % PageSize > 0)
            {
                PageCount++;
            }
            //页码显示
            if (PageCount > 1)
            {
                sb.Append("<div class=\"gkPage\">");
                sb.AppendFormat("总条数：{0}|当前第{1}/{2}页", RecordCount, PageIndex, PageCount);
                if (PageIndex == 1)
                {
                    sb.Append("<span class=\"disable_pager\">首页</span>");
                    sb.Append("<span class=\"disable_pager\">上一页</span>");
                }
                else
                {
                    sb.AppendFormat("<a class=\"first_pager\" href=\"javascript:void(0);\" onclick=\"{0}(1{1})\">首页</a>", FunName, FunParams);
                    sb.AppendFormat("<a class=\"prev_pager\" href=\"javascript:void(0);\" onclick=\"{1}({0}{2})\">上一页</a>", PageIndex - 1, FunName, FunParams);
                }
                int ShowMaxPageIndexCount = 5;
                int ShowStartPageIndex = ((PageIndex - 1) / ShowMaxPageIndexCount) * ShowMaxPageIndexCount;
                int ShowLastPageIndex = ((ShowStartPageIndex + ShowMaxPageIndexCount) > PageCount) ? PageCount : (ShowStartPageIndex + ShowMaxPageIndexCount);
                if (ShowStartPageIndex > 0)
                {
                    sb.AppendFormat("<a class=\"pager\" href=\"javascript:void(0);\" onclick=\"{1}({0}{2})\">...</a>", ShowStartPageIndex, FunName, FunParams);
                }
                for (int i = ShowStartPageIndex + 1; i <= ShowLastPageIndex; i++)
                {
                    if (i == PageIndex)
                    {
                        sb.AppendFormat("<span class=\"current_pager\">{0}</span>", i);
                    }
                    else
                    {
                        sb.AppendFormat("<a class=\"pager\" href=\"javascript:void(0);\" onclick=\"{1}({0}{2})\">{0}</a>", i, FunName, FunParams);
                    }
                }
                if ((PageCount > ShowMaxPageIndexCount) && (ShowLastPageIndex < PageCount))
                {
                    sb.AppendFormat("<a class=\"pager\" href=\"javascript:void(0);\" onclick=\"{1}({0}{2})\">...</a>", ShowLastPageIndex + 1, FunName, FunParams);
                }
                if (PageIndex == PageCount)
                {
                    sb.Append("<span class=\"disable_pager\">下一页</span>");
                    sb.Append("<span class=\"disable_lastpager\">尾页</span>");
                }
                else
                {
                    sb.AppendFormat("<a class=\"next_pager\" href=\"javascript:void(0);\" onclick=\"{1}({0}{2})\">下一页</a>", PageIndex + 1, FunName, FunParams);
                    sb.AppendFormat("<a class=\"last_pager\" href=\"javascript:void(0);\" onclick=\"{1}({0}{2})\">尾页</a>", PageCount, FunName, FunParams);
                }
                sb.Append("</div></div>");
            }
            return sb.ToString();

        }