// === SEO 增强代码 开始 ===
// 1. 旧URL 301重定向（处理数字ID的旧链接）
function farsailing_redirect_old_urls() {
if (is_admin()) return;
$request_uri = $_SERVER['REQUEST_URI'];
// 匹配 /数字.html 或 /数字/ 格式
if (preg_match('#^/\d+\.html?$#', $request_uri) || preg_match('#^/(\d+)/?$#', $request_uri, $matches)) {
$post_id = isset($matches[1]) ? intval($matches[1]) : intval(basename($request_uri, '.html'));
if ($post_id > 0) {
$post = get_post($post_id);
if ($post && $post->post_status === 'publish') {
wp_redirect(get_permalink($post_id), 301);
exit;
}
}
}
}
add_action('template_redirect', 'farsailing_redirect_old_urls', 1);
// 2. 自定义Meta描述
function farsailing_meta_description() {
global $post;
$description = '';
if (is_singular()) {
if (!empty($post->post_excerpt)) {
$description = wp_trim_words(wp_strip_all_tags($post->post_excerpt), 30, '');
} else {
$description = wp_trim_words(wp_strip_all_tags($post->post_content), 30, '');
}
} elseif (is_category() || is_tag()) {
$description = category_description();
if (!$description) $description = single_cat_title('', false) . ' - 鹿鸣网创';
} elseif (is_home() || is_front_page()) {
$description = '鹿鸣网创 - 专注电商运营、自媒体运营、网络创业培训，提供京东、淘宝、抖音、小红书等平台运营实战课程。';
}
if ($description) {
echo '' . "\n";
}
}
add_action('wp_head', 'farsailing_meta_description', 1);
// 3. Open Graph + Twitter Card + Schema JSON-LD
function farsailing_social_meta() {
global $post;
if (is_singular()) {
$title = get_the_title();
$url = get_permalink();
$site_name = get_bloginfo('name');
$excerpt = !empty($post->post_excerpt) ? $post->post_excerpt : wp_trim_words($post->post_content, 25);
$excerpt = wp_strip_all_tags($excerpt);
$image = '';
if (has_post_thumbnail()) {
$image = get_the_post_thumbnail_url($post->ID, 'large');
}
if (!$image) {
$image = 'https://www.farsailing.cn/wp-content/uploads/logo.png';
}
$type = is_singular('post') ? 'article' : 'website';
echo '' . "\n";
echo '' . "\n";
echo '' . "\n";
echo '' . "\n";
echo '' . "\n";
echo '' . "\n";
echo '' . "\n";
echo '' . "\n";
echo '' . "\n";
echo '' . "\n";
// Article Schema
if (is_singular('post')) {
$schema = array(
'@context' => 'https://schema.org',
'@type' => 'Article',
'headline' => $title,
'description' => $excerpt,
'datePublished' => get_the_date('c'),
'dateModified' => get_the_modified_date('c'),
'author' => array(
'@type' => 'Person',
'name' => get_the_author()
),
'publisher' => array(
'@type' => 'Organization',
'name' => $site_name,
'url' => home_url()
),
'mainEntityOfPage' => $url
);
if ($image) {
$schema['image'] = $image;
}
echo '' . "\n";
}
}
}
add_action('wp_head', 'farsailing_social_meta', 2);
// 4. 站点 Schema
function farsailing_site_schema() {
if (is_home() || is_front_page()) {
$schema = array(
'@context' => 'https://schema.org',
'@type' => 'WebSite',
'name' => get_bloginfo('name'),
'description' => get_bloginfo('description'),
'url' => home_url(),
'potentialAction' => array(
'@type' => 'SearchAction',
'target' => home_url('/?s={search_term_string}'),
'query-input' => 'required name=search_term_string'
)
);
echo '' . "\n";
$org_schema = array(
'@context' => 'https://schema.org',
'@type' => 'Organization',
'name' => '鹿鸣网创',
'url' => home_url(),
'logo' => 'https://www.farsailing.cn/wp-content/uploads/logo.png'
);
echo '' . "\n";
}
}
add_action('wp_head', 'farsailing_site_schema', 3);
// 5. 自动添加文章图片ALT
function farsailing_auto_image_alt($alt, $image_id) {
if (empty($alt)) {
$alt = get_the_title($image_id);
if (empty($alt)) {
$alt = get_the_title();
}
}
return $alt;
}
add_filter('wp_get_attachment_image_attributes', function($attr, $attachment) {
if (empty($attr['alt'])) {
$title = get_the_title($attachment->ID);
$attr['alt'] = $title ? $title : get_the_title();
}
return $attr;
}, 10, 2);
// 6. 防止WordPress自动添加的rest_output_link导致SEO问题
remove_action('wp_head', 'rest_output_link_wp_head', 10);
remove_action('wp_head', 'wp_oembed_add_discovery_links', 10);
// 7. 优化canonical URL
function farsailing_canonical_url() {
if (is_singular()) {
global $post;
$canonical = get_permalink($post->ID);
echo '' . "\n";
}
}
add_action('wp_head', 'farsailing_canonical_url', 4);
// === SEO 增强代码 结束 ===
Fatal error: Uncaught Error: Call to undefined function tb_xzh_head_var() in /www/wwwroot/www.farsailing.cn/wp-content/themes/zibll/header.php:25
Stack trace:
#0 /www/wwwroot/www.farsailing.cn/wp-includes/template.php(684): require_once()
#1 /www/wwwroot/www.farsailing.cn/wp-includes/template.php(643): load_template()
#2 /www/wwwroot/www.farsailing.cn/wp-includes/general-template.php(45): locate_template()
#3 /www/wwwroot/www.farsailing.cn/wp-content/themes/zibll/404.php(14): get_header()
#4 /www/wwwroot/www.farsailing.cn/wp-includes/template-loader.php(74): include('/www/wwwroot/ww...')
#5 /www/wwwroot/www.farsailing.cn/wp-blog-header.php(19): require_once('/www/wwwroot/ww...')
#6 /www/wwwroot/www.farsailing.cn/index.php(17): require('/www/wwwroot/ww...')
#7 {main}
thrown in /www/wwwroot/www.farsailing.cn/wp-content/themes/zibll/header.php on line 25