万能分页显示上一页下一页

$count = count($list);//记录总条数
$page_size = 12; //每页显示条数
$page_all = ceil($count/$page_size);//总页数
@$page = $_GET['page'] ? $_GET['page'] :1; //当前页数
$page_up = $page-1 > 1 ?$page-1 :1; //上一页
$page_next = $page+1 > $page_all ?$page_all :$page+1;//下一页
$key = ($page-1)*$page_size;
for($i = 0; $i < $page_size; $i++){
if(!isset($list[($page - 1) * $page_size + $i]))break;


echo "

       

{$arry[($page - 1) * $page_size + $i]['name']}

<>";


}
echo "