php面向对象分页

<?php
class Paginator {
    private $totalRecords;
    private $recordsPerPage;
    private $currentPage;

    public function __construct($totalRecords, $recordsPerPage) {
        $this->totalRecords = $totalRecords;
        $this->recordsPerPage = $recordsPerPage;
        $this->currentPage = isset($_GET['page']) ? intval($_GET['page']) : 1;
    }

    public function getTotalPages() {
        return ceil($this->totalRecords / $this->recordsPerPage);
    }

    public function getCurrentPageData($data) {
        $start = ($this->currentPage - 1) * $this->recordsPerPage;
        $end = $start + $this->recordsPerPage;
        return array_slice($data, $start, $end);
    }

    public function getPaginationLinks() {
        $links = '';
        for ($i = 1; $i <= $this->getTotalPages(); $i++) {
            $links .= "<a href='?page=$i'>$i</a> ";
        }
        return $links;
    }
}

// 示例数据
$data = array('记录1', '记录2', '记录3', '记录4', '记录5', '记录6', '记录7', '记录8', '记录9', '记录10');

// 创建分页对象
$paginator = new Paginator(count($data), 3);

// 获取当前页的数据
$currentData = $paginator->getCurrentPageData($data);

// 生成分页链接
$paginationLinks = $paginator->getPaginationLinks();

// 输出结果
echo "<ul>";
foreach ($currentData as $record) {
    echo "<li>$record</li>";
}
echo "</ul>";
echo $paginationLinks;
?>