Typecho-Theme-Puock/page-random.php

43 lines
1.1 KiB
PHP

<?php
/**
* 随机阅读
*
* @package custom
*/
if (!defined('__TYPECHO_ROOT_DIR__')) exit;
$db = Typecho_Db::get();
// 统计符合条件的文章总数
$countSql = $db->select('COUNT(*) AS count')
->from('table.contents')
->where('status = ?', 'publish')
->where('type = ?', 'post')
->where('created <= ?', time());
$countResult = $db->fetchRow($countSql);
$total = $countResult['count'];
if ($total > 0) {
// 随机选择一个偏移量
$offset = mt_rand(0, $total - 1);
// 根据偏移量获取一篇文章
$sql = $db->select()
->from('table.contents')
->where('status = ?', 'publish')
->where('type = ?', 'post')
->where('created <= ?', time())
->limit(1)
->offset($offset);
$result = $db->fetchRow($sql);
if (!empty($result)) {
$target = Typecho_Widget::widget('Widget_Abstract_Contents')->filter($result);
$this->response->redirect($target['permalink'], 307);
}
}
// 如果没有找到文章,重定向到首页
$this->response->redirect($this->options->siteUrl, 307);
?>