PHP搜索结果分页显示的问题

$sql="select * from sjg where xh like '%$xh%' order by ID asc limit $offset,$pagesize "; $xh替换为:$_REQUEST['xh']; 'search.php?id=$_GET[id]&page=$nextpage替换为 'search.php?id=$_GET[id]&page=$nextpage&xh= 'search.ph