40,
'width' => 160,
'flex-height' => true,
));
add_theme_support('html5', array(
'comment-form', 'comment-list', 'gallery', 'caption', 'style', 'script',
));
register_nav_menus(array(
'primary' => '主导航',
));
}
// ── 资源加载 ──────────────────────────────────
add_action('wp_enqueue_scripts', 'kjweji_enqueue_assets');
function kjweji_enqueue_assets() {
wp_enqueue_style('kjweji-style', get_stylesheet_uri(), array(), '1.0.0');
// 字体改用系统自带（Google Fonts 在中国大陆不可用）
wp_enqueue_script('kjweji-lightbox',
get_template_directory_uri() . '/assets/js/lightbox.js',
array(), '1.0.0', true);
}
// ── 注册自定义文章类型: tucao（微言） ──────────
add_action('init', 'kjweji_register_tucao');
function kjweji_register_tucao() {
register_post_type('tucao', array(
'labels' => array(
'name' => '微言',
'singular_name' => '微言',
'add_new' => '写微言',
'add_new_item' => '写一条微言',
'edit_item' => '编辑微言',
'new_item' => '新微言',
'view_item' => '查看微言',
'search_items' => '搜索微言',
'not_found' => '暂无微言',
'not_found_in_trash' => '回收站中暂无微言',
),
'public' => true,
'has_archive' => true,
'rewrite' => array('slug' => 'tucao'),
'show_in_rest' => true,
'supports' => array('title', 'editor', 'author', 'thumbnail'),
'menu_position' => 25,
'menu_icon' => 'dashicons-format-chat',
));
}
// ── 摘要取前 2-3 句 ───────────────────────────
// 摘要：取文章内容的前 N 个字符（在句号处截断）
function kjweji_excerpt($max_sentences = 5, $max_chars = 300) {
$content = get_the_content();
$content = wp_strip_all_tags($content);
if (empty($content)) return '';
// 先按字符截断
if (mb_strlen($content) > $max_chars) {
$content = mb_substr($content, 0, $max_chars);
// 回退到最后一个句号
$last_period = mb_strrpos($content, '。');
if ($last_period !== false && $last_period > $max_chars / 2) {
$content = mb_substr($content, 0, $last_period + 1);
}
}
return esc_html(trim($content));
}
// ── OG 标签 ───────────────────────────────────
add_action('wp_head', 'kjweji_og_tags');
function kjweji_og_tags() {
if (is_singular()) {
$title = get_the_title();
$desc = kjweji_excerpt(2);
$url = get_permalink();
} else {
$title = get_bloginfo('name');
$desc = get_bloginfo('description');
$url = home_url();
}
echo '' . "\n";
echo '' . "\n";
echo '' . "\n";
echo '' . "\n";
if (is_singular() && has_post_thumbnail()) {
$img = get_the_post_thumbnail_url(null, 'kjweji-featured');
echo '' . "\n";
}
echo '' . "\n";
}
// ── 首页只显示普通文章（非 tucao） ─────────────
add_action('pre_get_posts', 'kjweji_home_only_posts');
function kjweji_home_only_posts($query) {
if (!is_admin() && $query->is_main_query() && $query->is_home()) {
$query->set('post_type', 'post');
}
}
// 浏览量
function kjweji_get_views() {
$count = get_post_meta(get_the_ID(), 'post_views', true);
return $count ? (int) $count : 0;
}
// 禁用 WP emoji 转图片
remove_action('wp_head', 'print_emoji_detection_script', 7);
remove_action('wp_print_styles', 'print_emoji_styles');
remove_action('admin_print_scripts', 'print_emoji_detection_script');
remove_action('admin_print_styles', 'print_emoji_styles');
add_filter('emoji_svg_url', '__return_false');
// 评论表单中文化
add_filter('comment_form_default_fields', function($fields) {
$fields['author'] = '';
$fields['email'] = '';
$fields['url'] = '';
$fields['cookies'] = '';
return $fields;
});
add_action('template_include', function($template) {
if (get_query_var('post_type') === 'post' && !is_home() && !is_singular()) {
$t = locate_template('archive.php');
if ($t) return $t;
}
return $template;
});
// 本地头像（团队证件照）
add_filter('get_avatar', function($avatar, $id_or_email, $size, $default, $alt) {
$uid = 0;
if (is_numeric($id_or_email)) $uid = (int) $id_or_email;
elseif (is_object($id_or_email) && isset($id_or_email->user_id)) $uid = (int) $id_or_email->user_id;
elseif (is_object($id_or_email) && $id_or_email instanceof WP_Comment) {
$uid = (int) $id_or_email->user_id;
}
// 如果传的是 email 但找不到用户，尝试用 email 找
if (!$uid && is_string($id_or_email) && strpos($id_or_email, '@') !== false) {
$u = get_user_by('email', $id_or_email);
if ($u) $uid = $u->ID;
}
$att_id = get_user_meta($uid, 'custom_avatar', true);
if ($att_id) {
$url = wp_get_attachment_image_url($att_id, 'medium');
if ($url) {
return ' . ')
';
}
}
return $avatar; // fallback
}, 10, 5);
// 激活主题时自动初始化
add_action('after_switch_theme', 'kjweji_setup_pages');
function kjweji_setup_pages() {
// 创建笺文页
if (!get_page_by_path('articles')) {
wp_insert_post([
'post_title' => '笺文', 'post_name' => 'articles',
'post_type' => 'page', 'post_status' => 'publish',
'meta_input' => ['_wp_page_template' => 'page-articles.php'],
]);
}
// 创建拾影页
if (!get_page_by_path('photos')) {
wp_insert_post([
'post_title' => '拾影', 'post_name' => 'photos',
'post_type' => 'page', 'post_status' => 'publish',
'meta_input' => ['_wp_page_template' => 'page-photos.php'],
]);
}
// 创建导航菜单
if (!wp_get_nav_menu_object('主导航')) {
$menu_id = wp_create_nav_menu('主导航');
foreach ([
['首页', '/'],
['笺文', '/articles/'],
['微言', '/tucao/'],
['拾影', '/photos/'],
] as $item) {
wp_update_nav_menu_item($menu_id, 0, [
'menu-item-title' => $item[0],
'menu-item-url' => $item[1],
'menu-item-status' => 'publish',
]);
}
$locations = get_theme_mod('nav_menu_locations') ?: [];
$locations['primary'] = $menu_id;
set_theme_mod('nav_menu_locations', $locations);
}
flush_rewrite_rules();
}
// 自定义文章类型：拾影
add_action('init', 'kjweji_register_photo');
function kjweji_register_photo() {
register_post_type('photo', array(
'labels' => array(
'name' => '拾影',
'singular_name' => '拾影',
'add_new' => '发拾影',
'add_new_item' => '发新拾影',
'edit_item' => '编辑拾影',
),
'public' => true,
'has_archive' => false,
'rewrite' => array('slug' => 'photo/%post_id%'),
'show_in_rest' => true,
'supports' => array('title', 'editor', 'author', 'thumbnail'),
'menu_position' => 26,
'menu_icon' => 'dashicons-format-gallery',
));
}
add_filter('post_type_link', function($link, $post) {
if ($post->post_type === 'photo' && $post->post_status === 'publish') {
return home_url(user_trailingslashit('/photo/' . $post->ID . '/' . $post->post_name));
}
return $link;
}, 10, 2);
// 匹配 /photo/123/slug/ 格式
add_action('init', function() {
add_rewrite_rule('^photo/([0-9]+)/([^/]+)/?$', 'index.php?post_type=photo&p=$matches[1]', 'top');
add_rewrite_rule('^photo/([0-9]+)/?$', 'index.php?post_type=photo&p=$matches[1]', 'top');
});
// 允许通过 REST API 创建评论
add_filter('rest_allow_anonymous_comments', '__return_false');
// 评论后重定向回当前页
// tucao 不要详情页，直接回 archive
add_action('template_redirect', function() {
if (is_singular('tucao')) {
wp_redirect(get_post_type_archive_link('tucao'), 301);
exit;
}
});
// 评论后送回微言列表并锚点定位
add_filter('comment_post_redirect', function($loc, $comment) {
$post = get_post($comment->comment_post_ID);
if ($post && $post->post_type === 'tucao') {
return get_post_type_archive_link('tucao') . '#tucao-' . $comment->comment_post_ID;
}
return $loc;
}, 99, 2);
// 中国时区
date_default_timezone_set('Asia/Shanghai');