InfiniteScrollPager加载显示记录信息

<div class="text-right">第 <?=(isset($_GET['page'])?$_GET['page']-1:0)*20?>-<?=((isset($_GET['page'])?$_GET['page']:1)*20)>$pages->totalCount?$pages->totalCount:((isset($_GET['page'])?$_GET['page']:1)*20)?> 条, 共 <?=$pages->totalCount?> 条.</div>