/* * 分页函数 * $num 总条数,$perpage 一页多少条, $curpage 当前页, $mpurl url, $page = 10 显示几个分页 * */ function multi($num, $perpage, $curpage, $mpurl, $page = 10) { $multipage = ''; $realpages = 1; if ($num > $perpage){ $offset = 4; $realpages = @ceil($num / $perpage); if ($page > $realpages) { $form = 1; $to = $realpages; }else { $form = $curpage - $offset; $to = $form + $page - 1; if ($form < 1) { $form = 1; //$to = $curpage + 1 - $form; if ($to - $form < $page) { $to = $page; } } }
$multipage = ($curpage > 1 ? '<a href="'http://www.jb51.net/article/.$mpurl.'page='.($curpage - 1).'">up</a> ' : ''); for ($i = $form; $i <= $to; $i++) { $multipage .= $i == $curpage ? '<strong>'.$i.'</strong> ' : '<a href="'http://www.jb51.net/article/.$mpurl.'page='.$i.'">'.$i.'</a> '; } $multipage .= $curpage < $realpages ? '<a href="'http://www.jb51.net/article/.$mpurl.'page='.($curpage + 1).'">next</a> ' : ''; $multipage = $multipage ? '<div>'.$multipage.'</div>' : ''; }
return $multipage; }
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