本文章來給大家介紹一個paginator的php分頁程序代碼，有需要的朋友可進入參考。
代碼如下
復制代碼
<?php
class paginator {
function __construct () {
}
static function render($page_type, array $args = array()) {
$html = '';
switch ($page_type)
{
case '1':
$html = page_1($channel_code, $page_num, $cur_page, $per_group, $base_url, $n, $v);
break;
case '2':
$html = fpage($row_num, $pagesize, $page, $url);
break;
case '3':
break;
default:
$html = page($num, $perpage, $curpage, $mpurl, $hiddenFrom='');
}
return $html;
}
//函數1:根據總頁數,當前頁,和頁分組及url產生分頁導航
function page_1($channel_code, $page_num, $cur_page, $per_group, $base_url, $n, $v) {
// 分頁函數參數列表(有多少頁,當前頁,每頁多少個 ,鏈接地址)
$base_url .= strpos($base_url, '?') ? '&' : '?'; //如果有?，則添加&,否則加？
$page_val = "";
if ($page_num < 1) {
return $page_val; //如果小於1,返回空
} elseif ($page_num == 1) {
return $page_val = 1; //如果等於1,返回1
}
//分組
$group_ok = !(($page_num-1) % ($per_group-1)); //沒有余數
// 計算一共有多少組
if($group_ok) {
$group_num = ($page_num-1)/($per_group-1);
}else {
$group_num = ceil(($page_num-1) / ($per_group-1));
} //判斷當前頁是否為一組的最後一個
//組數
$is_last_page = !(($cur_page-1) % ($per_group-1)); //計算當前在的組數
if ($is_last_page) {
$cur_group = ($cur_page-1) / ($per_group-1) + 1;
} else {
$cur_group = ceil(($cur_page-1) / ($per_group-1));
}
// 計算顯示的起始頁 ，這個關鍵
$from = ($cur_group - 1) * ($per_group-1) + 1;
$from = $cur_group <= 1 ? 1 :$from;
$to = $from + $per_group;
$to = $to > $page_num ? $page_num + 1 : $to;
for($a = $from; $a < $to; $a++) {
if ($a != $cur_page) {
//不是當前頁
$page_val .= '<li><a href ="' . $base_url . 'channel='.$channel_code.'&n='.$n.'&v='.$v.'&page=' . $a . '">' . $a . '</a></li>';
} else {
//當前頁
$page_val .='<li class="current">'. $a .'</li>';
}
}
//上一頁下一頁首頁尾頁
$next = $cur_page + 1; //當前頁+1
$prev = $cur_page-1; //當前頁-1
if ($cur_page != $page_num) {
//當前頁不是最後一頁
$page_val .= '<span><a href ="' . $base_url . 'channel='.$channel_code.'&n='.$n.'&v='.$v.'&page=' . $next . '">' . '下一頁' . '</a></span>';
$page_val .= '<span><a href ="' . $base_url . 'channel='.$channel_code.'&n='.$n.'&v='.$v.'&page=' . $page_num . '">' . '>>' . '</a></span>'; //尾頁
}
if ($cur_page != 1){
//不是第一頁,加上前面的內容
$page_val = '<span><a href ="' . $base_url . 'channel='.$channel_code.'&n='.$n.'&v='.$v.'&page=' . $prev . '">' . '上一頁' . '</a></span>' . $page_val;
$page_val = '<span><a href ="' . $base_url . 'channel='.$channel_code.'&n='.$n.'&v='.$v.'&page=1">' . '<<' . '</a></span>' . $page_val; //首頁
}
$page_val = '<ul class="page_nav">'.$page_val.'</ul>';
return $page_val;
}
// 函數2：根據記錄數，頁列清數，當前頁，url年成分頁
function fpage($row_num, $pagesize, $page, $url) {
//$page,當前頁;$row_num記錄總數;$pagesize:每頁記錄數;$url記錄頁;
//如果,如果有作數,則取加1
$page_count = $row_num % $pagesize?intval($row_num / $pagesize) + 1:intval($row_num / $pagesize);
if ($page_count == 1) {
$page_string = "第一頁|上一頁|下一頁|尾頁";
} else {
//如果不止一頁
if ($page == 1) {
//第一頁顯示
$page_string = " <a href=" . $url . "?page=1>第一頁 </a>|上一頁| <a href=" . $url . "?page=" . ($page + 1) . ">下一頁 </a>| <a href=" . $url . "?page=" . $page_count . ">尾頁 </a>";
}
if (($page > 1) and ($page < $page_count)) {
$page_string = " <a href=" . $url . "?page=1>第一頁 </a>| <a href=" . $url . "?page=" . ($page-1) . ">上一頁 </a>| <a href=" . $url . "?page=" .
($page + 1) . ">下一頁 </a>| <a href=" . $url . "?page=" . $page_count . ">尾頁 </a>";
}
if ($page == $page_count) {
$page_string = " <a href=" . $url . "?page=1>第一頁 </a>| <a href=" . $url . "?page=" . ($page-1) . ">上一頁 </a>|下一頁| <a href=" . $url . "?page=" . $page_count . ">尾頁 </a>";
}
}
$page_str = $page_string . ("," . $page . "/" . $page_count . "頁");
echo " <br> <p align=center>" . $page_str . " </p>";
}
/**
* 分頁函數
*
* @param int $num:記錄總數
* @param int $perpage:每頁記錄
* @param int $curpage:當前頁
* @param string $mpurl:路徑url
* @param unknown_type $hiddenFrom
* @return string
*/
function page($num, $perpage, $curpage, $mpurl,$hiddenFrom='') {
$multipage = '';
//恢復
$mpurl .= strpos($mpurl, '?') ? '&' : '?';
if($num > $perpage) {
$page = 10;
$offset = 2;
$pages = @ceil($num / $perpage); //總頁數
if($page > $pages) {
$from = 1;
$to = $pages;
} else {
//如果總頁數>10
$from = $curpage - $offset; //當前頁-2
$to = $from + $page - 1; //當前頁+10-3
if($from < 1) {
$to = $curpage + 1 - $from;
$from = 1;
if($to - $from < $page) {
$to = $page;
}
} elseif($to > $pages) {
$from = $pages - $page + 1;
$to = $pages;
}
}
if ($hiddenFrom) {
$multipage = ($curpage - $offset > 1 && $pages > $page ? '<a href="#" '.js_page($hiddenFrom,1).'>首頁</a> ' : '').
($curpage > 1 ? ' <a href="#" '.js_page($hiddenFrom,$curpage - 1).'>‹‹上一頁</a> ' : '');
for($i = $from; $i <= $to; $i++) {
$multipage .= $i == $curpage ? '<span>'.$i.'</span> ' :
'<a href="#" '.js_page($hiddenFrom,$i).'>'.$i.'</a> ';
}
$multipage .= ($curpage < $pages ? '<a href="#" '.js_page($hiddenFrom,$curpage + 1).'>下一頁››</a>' : '').
($to < $pages ? '<a href="#" '.js_page($hiddenFrom,$pages).'> 末頁</a>' : '');
$multipage = $multipage ? '<div class="list-page">'.$multipage.'</div>' : '';
} else {
$multipage = ($curpage - $offset > 1 && $pages > $page ? '<a href="'.$mpurl.'page=1">首頁</a> ' : '').
($curpage > 1 ? ' <a href="'.$mpurl.'page='.($curpage - 1).'">‹‹上一頁</a> ' : '');
for($i = $from; $i <= $to; $i++) {
$multipage .= $i == $curpage ? '<span>'.$i.'</span> ' :
'<a href="'.$mpurl.'page='.$i.'">'.$i.'</a> ';
}
$multipage .= ($curpage < $pages ? '<a href="'.$mpurl.'page='.($curpage + 1).'">下一頁››</a>' : '').
($to < $pages ? '<a href="'.$mpurl.'page='.$pages.'"> 末頁</a>' : '');
$multipage = $multipage ? '<div class="list-page">'.$multipage.'</div>' : '';
}
}
return $multipage;
}
//暫不用
function page_get_start($page, $ppp, $totalnum) {
$totalpage = ceil($totalnum / $ppp);
$page = max(1, min($totalpage, intval($page)));
return ($page - 1) * $ppp;
}
//暫不用
function js_page($hiddenFrom,$page)
{
if ($hiddenFrom) {
return ' onclick=javascript:$("#page").val("'.$page.'");$("#'.$hiddenFrom.'").submit(); ';
}
}
}
?>
