118 lines
3.8 KiB
PHP
118 lines
3.8 KiB
PHP
<?php
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/**
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* 随机阅读
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*
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* @package custom
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*/
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if (!defined('__TYPECHO_ROOT_DIR__')) exit;
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// 防止 PJAX 缓存，确保每次都是随机文章
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header('Cache-Control: no-cache, no-store, must-revalidate');
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header('Pragma: no-cache');
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header('Expires: 0');
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header('X-InstantClick: no-cache');
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// 获取随机文章
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function getRandomPost() {
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$db = Typecho_Db::get();
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// 统计符合条件的文章总数
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$countSql = $db->select('COUNT(*) AS count')
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->from('table.contents')
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->where('status = ?', 'publish')
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->where('type = ?', 'post')
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->where('created <= ?', time());
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$countResult = $db->fetchRow($countSql);
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$total = $countResult['count'];
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if ($total > 0) {
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// 随机选择一个偏移量
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$offset = mt_rand(0, $total - 1);
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// 根据偏移量获取一篇文章
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$sql = $db->select()
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->from('table.contents')
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->where('status = ?', 'publish')
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->where('type = ?', 'post')
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->where('created <= ?', time())
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->limit(1)
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->offset($offset);
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$result = $db->fetchRow($sql);
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if (!empty($result)) {
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$target = Typecho_Widget::widget('Widget_Abstract_Contents')->filter($result);
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return $target['permalink'];
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}
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}
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return false;
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}
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// 获取随机文章链接
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$randomPostUrl = getRandomPost();
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$this->need('header.php');
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?>
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<div id="breadcrumb" class="animated fadeInUp">
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<nav aria-label="breadcrumb">
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<ol class="breadcrumb">
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<li class="breadcrumb-item"><a class="a-link" href="<?php $this->options->siteUrl(); ?>">首页</a></li>
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<li class="breadcrumb-item active" aria-current="page">随机阅读</li>
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</ol>
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</nav>
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</div>
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<div id="page-empty">
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<div id="page" class="row row-cols-1">
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<?php if ($this->options->showsidebar): ?>
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<div id="post-main" class="col-lg-8 col-md-12 animated fadeInLeft">
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<?php else: ?>
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<div id="post-main" class="col-lg-12 col-md-12">
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<?php endif; ?>
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<div class="p-block">
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<div>
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<h1 id="post-title" class="mb-0 puock-text t-xxl">随机阅读</h1>
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</div>
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<div class="mt20 puock-text entry-content show-link-icon">
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<div class="text-center">
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<div class="mb-4">
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<i class="fa fa-random fa-3x text-primary mb-3"></i>
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<h3>正在为您随机选择一篇文章...</h3>
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<p class="text-muted">请稍候，正在跳转中...</p>
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</div>
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<div class="spinner-border text-primary" role="status">
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<span class="visually-hidden">Loading...</span>
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</div>
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</div>
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</div>
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</div>
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</div>
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<?php if ($this->options->showsidebar): ?>
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<?php $this->need('sidebar.php'); ?>
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<?php endif; ?>
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</div>
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</div>
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<script>
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// 立即执行的跳转函数
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function performRandomRedirect() {
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setTimeout(function() {
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<?php if ($randomPostUrl): ?>
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// 跳转到随机文章
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window.location.href = '<?php echo $randomPostUrl; ?>';
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<?php else: ?>
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// 如果没有文章，跳转到首页
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window.location.href = '<?php $this->options->siteUrl(); ?>';
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<?php endif; ?>
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}, 1500);
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}
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// 在 DOMContentLoaded 和页面加载完成后都执行
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document.addEventListener('DOMContentLoaded', performRandomRedirect);
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window.addEventListener('load', performRandomRedirect);
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// 立即执行一次，确保在 PJAX 模式下也能工作
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performRandomRedirect();
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</script>
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<?php $this->need('footer.php'); ?>
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