DISCUZ分页代码_php实例

代码如下:/*
[Discuz!] (C)2001-2006 Comsenz Inc.
This is NOT a freeware, use is subject to license terms

$RCSfile: global.func.php,v $
$Revision: 1.83.2.7 $
$Date: 2006/10/27 08:08:18 $
*/

function multi($num, $perpage, $curpage, $mpurl, $maxpages = 0) {
$multipage = '';
$mpurl .= strpos($mpurl, '?') ? '&' : '?';
if($num > $perpage) {
$page = 10;
$offset = 2;

$realpages = @ceil($num / $perpage);
$pages = $maxpages && $maxpages < $realpages ? $maxpages : $realpages;

if($page > $pages) {
$from = 1;
$to = $pages;
} else {
$from = $curpage - $offset;
$to = $from + $page - 1;
if($from < 1) {
$to = $curpage + 1 - $from;
$from = 1;
if($to - $from < $page) {
$to = $page;
}
} elseif($to > $pages) {
$from = $pages - $page + 1;
$to = $pages;
}
}

$multipage = ($curpage - $offset > 1 && $pages > $page ? '|?' : '').
($curpage > 1 ? '??' : '');
for($i = $from; $i <= $to; $i++) {
$multipage .= $i == $curpage ? ''.$i.'' :
''.$i.'';
}

$multipage .= ($curpage < $pages ? '??' : '').
($to < $pages ? '?|' : '').
($curpage == $maxpages ? '??' : '').
($pages > $page ? '' : '');

$multipage = $multipage ? ' '.$num.' '.$curpage.'/'.$realpages.' '.$multipage.'' : '';
}
return $multipage;
}
?>