v1.4 — Photo 详情页画廊

- 灯箱画廊：点击图片全屏查看，多图左右切换
- 单图隐藏左右箭头，边界隐藏对应方向键
- 画廊顶部显示'标题 · 作者'
- 文章导航保留在灯箱底部
- 图片去重（特色图与正文图片不重复）
- 纯黑背景
- 已知限制：画廊内切换文章后灯箱不保持（AJAX 模式未稳定）

functions.php

@@ -210,10 +210,25 @@ function kjweji_register_photo() {
         ),
         'public' => true,
         'has_archive' => false,
-        'rewrite' => array('slug' => 'photo'),
+        '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');
+});

page-photos.php

@@ -9,7 +9,6 @@ get_header();
 $photo_query = new WP_Query(array(
     'post_type'      => 'photo',
     'posts_per_page' => -1,
-    'meta_key'       => '_thumbnail_id',
 ));
 ?>
 

single-photo.php

@@ -1,18 +1,53 @@
 <?php get_header(); ?>
 
 <?php while (have_posts()) : the_post(); ?>
-    <div class="photo-detail">
+    <?php
+    // 收集所有图片 URL（去重）
+    $gallery = array();
+    $seen = array();
+    // 正文中的图片（先收，因为特色图和正文第一张可能重复）
+    $content_raw = get_the_content();
+    if (preg_match_all('/<img[^>]+src="([^"]+)"/', $content_raw, $m)) {
+        foreach ($m[1] as $url) {
+            $key = basename(parse_url($url, PHP_URL_PATH));
+            if (!isset($seen[$key])) {
+                $seen[$key] = true;
+                $gallery[] = $url;
+            }
+        }
+    }
+    // 特色图（如果没有出现在正文中则加入）
+    if (has_post_thumbnail()) {
+        $thumb_url = get_the_post_thumbnail_url(null, 'large');
+        $key = basename(parse_url($thumb_url, PHP_URL_PATH));
+        if (!isset($seen[$key])) {
+            $gallery[] = $thumb_url;
+        }
+    }
+    $gallery_json = json_encode($gallery);
+    $content = $content_raw;
+    ?>
+
+    <div class="photo-detail" id="photo-detail"
+         data-gallery="<?php echo esc_attr($gallery_json); ?>"
+         data-title="<?php echo esc_attr(get_the_title()); ?>"
+         data-author="<?php echo esc_attr(get_avatar(get_the_author_meta('ID'), 18) . ' ' . get_the_author_meta('display_name')); ?>">
         <a href="/photos/" class="back-link">← 返回拾影</a>
 
-        <div class="photo-detail__image">
-            <?php if (has_post_thumbnail()) : ?>
+        <?php // 多图文章的特色图已在正文中，不重复显示
+        if (!preg_match('/<img[^>]+src=/', $content) && has_post_thumbnail()) : ?>
+        <div class="photo-detail__image" onclick="openPhotoGallery(0)">
             <?php the_post_thumbnail('medium_large', array('alt' => get_the_title())); ?>
-            <?php endif; ?>
         </div>
+        <?php endif; ?>
 
-        <?php if (get_the_content()) : ?>
+        <?php if ($content) : ?>
         <div class="photo-detail__body">
-            <?php the_content(); ?>
+            <?php
+            // 图片换成可点击版本
+            $content = preg_replace('/<img[^>]+src="([^"]+)"[^>]*>/', '<img src="$1" alt="" onclick="event.stopPropagation(); openPhotoImage(\'' . esc_js('$1') . '\')" />', $content);
+            echo $content;
+            ?>
         </div>
         <?php endif; ?>
 
@@ -27,9 +62,8 @@
         </div>
 
         <?php
-        // 拾影列表按日期从新到旧，导航遵循同一方向
-        $left  = get_adjacent_post(false, '', false); // 更新的（列表左侧）
-        $right = get_adjacent_post(false, '', true);  // 更早的（列表右侧）
+        $left  = get_adjacent_post(false, '', false);
+        $right = get_adjacent_post(false, '', true);
         if ($left || $right) : ?>
         <div class="photo-detail__nav">
             <?php if ($left) : ?>
@@ -45,4 +79,93 @@
     </div>
 <?php endwhile; ?>
 
+<!-- 照片灯箱 — 文章导航内联，不跳页面 -->
+<div class="photo-lightbox" id="photo-lightbox" onclick="closePhotoLightbox()">
+    <span class="photo-lightbox__brand"><?php bloginfo('name'); ?></span>
+    <span class="photo-lightbox__close" onclick="closePhotoLightbox()">&times;</span>
+    <span class="photo-lightbox__counter" id="photo-lightbox-counter"></span>
+    <span class="photo-lightbox__nav photo-lightbox__prev" onclick="event.stopPropagation(); navigatePhoto(-1)">‹</span>
+    <span class="photo-lightbox__nav photo-lightbox__next" onclick="event.stopPropagation(); navigatePhoto(1)">›</span>
+    <div onclick="event.stopPropagation()">
+        <div class="photo-lightbox__info" id="photo-lightbox-info"></div>
+        <div class="photo-lightbox__content">
+            <img id="photo-lightbox-img" src="" alt="">
+        </div>
+    </div>
+    <div class="photo-lightbox__postnav" id="photo-lightbox-postnav"></div>
+</div>
+
+<script>
+(function() {
+    var detail = document.getElementById('photo-detail');
+    if (!detail) return;
+    var gallery = JSON.parse(detail.getAttribute('data-gallery') || '[]');
+    var lb = document.getElementById('photo-lightbox');
+    var lbImg = document.getElementById('photo-lightbox-img');
+    var lbCounter = document.getElementById('photo-lightbox-counter');
+    var idx = 0;
+
+    window.openPhotoGallery = function(i) {
+        idx = i;
+        show();
+        updateNavButtons();
+        updatePhotoInfo();
+        lb.classList.add('active');
+        document.body.style.overflow = 'hidden';
+        showPostNav();
+    };
+    function updatePhotoInfo() {
+        var info = document.getElementById('photo-lightbox-info');
+        if (!info) return;
+        var title = detail.getAttribute('data-title') || '';
+        var author = detail.getAttribute('data-author') || '';
+        // 提取作者纯文本（去掉 img 标签）
+        var tmp = document.createElement('div');
+        tmp.innerHTML = author;
+        var author_text = tmp.textContent.trim();
+        info.innerHTML = '<span class="photo-lightbox__photo-title">' + title + ' · ' + author_text + '</span>';
+    }
+    window.openPhotoImage = function(url) {
+        var i = gallery.indexOf(url);
+        if (i >= 0) openPhotoGallery(i);
+        else { idx = -1; lbImg.src = url; lbCounter.textContent = ''; lb.classList.add('active'); document.body.style.overflow = 'hidden'; }
+    };
+    window.navigatePhoto = function(d) {
+        idx = (idx + d + gallery.length) % gallery.length;
+        show();
+    };
+    window.closePhotoLightbox = function() {
+        lb.classList.remove('active');
+        document.body.style.overflow = '';
+    };
+    function showPostNav() {
+        var nav = document.querySelector('.photo-detail__nav');
+        var pn = document.getElementById('photo-lightbox-postnav');
+        if (nav && pn) pn.innerHTML = nav.innerHTML;
+    }
+    function show() {
+        lbImg.src = gallery[idx];
+        lbCounter.textContent = gallery.length > 1 ? (idx + 1) + ' / ' + gallery.length : '';
+        updateNavButtons();
+    }
+    function updateNavButtons() {
+        var prev = lb.querySelector('.photo-lightbox__prev');
+        var next = lb.querySelector('.photo-lightbox__next');
+        if (gallery.length <= 1) {
+            prev.style.display = 'none';
+            next.style.display = 'none';
+        } else {
+            prev.style.display = idx > 0 ? '' : 'none';
+            next.style.display = idx < gallery.length - 1 ? '' : 'none';
+        }
+    }
+    document.addEventListener('keydown', function(e) {
+        if (!lb.classList.contains('active')) return;
+        if (e.key === 'ArrowLeft') navigatePhoto(-1);
+        if (e.key === 'ArrowRight') navigatePhoto(1);
+        if (e.key === 'Escape') closePhotoLightbox();
+    });
+})();
+</script>
+
 <?php get_footer(); ?>

style.css

@@ -407,3 +407,84 @@ echo "done"
   border-top: 2px dashed var(--border);
 }
 .photo-detail__meta { border-top: none; padding-top: 0; }
+
+.photo-detail__body img {
+  display: block;
+  width: 100%;
+  height: auto;
+  margin: 20px 0;
+  border-radius: var(--radius);
+}
+.photo-detail__body p {
+  margin: 16px 0;
+  text-align: center;
+  font-style: italic;
+  color: var(--ink-light);
+}
+
+/* 照片灯箱 */
+.photo-lightbox {
+  display: none;
+  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
+  background: #000; 
+  z-index: 9999;
+  justify-content: center; align-items: center;
+}
+.photo-lightbox.active { display: flex; }
+.photo-lightbox__content { max-width: 90vw; max-height: 90vh; }
+.photo-lightbox__content img { max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: var(--radius); }
+.photo-lightbox__close { position: absolute; top: 24px; right: 36px; font-size: 42px; color: #fff; cursor: pointer; opacity: 0.8; z-index: 2; }
+.photo-lightbox__close:hover { opacity: 1; }
+.photo-lightbox__counter { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); color: #fff; font-size: 14px; opacity: 0.7; z-index: 2; }
+.photo-lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); font-size: 56px; color: #fff; cursor: pointer; user-select: none; padding: 24px; opacity: 0.7; z-index: 2; }
+.photo-lightbox__nav:hover { opacity: 1; }
+.photo-lightbox__prev { left: 16px; }
+.photo-lightbox__next { right: 16px; }
+
+/* 图片可点击提示 */
+.photo-detail__image { cursor: zoom-in; }
+.photo-detail__body img { cursor: zoom-in; }
+
+
+.photo-lightbox__postnav {
+  position: absolute;
+  bottom: 18px;
+  left: 0; right: 0;
+  display: flex;
+  justify-content: space-between;
+  padding: 0 40px;
+  z-index: 2;
+}
+.photo-lightbox__postnav a {
+  color: rgba(255,255,255,0.6);
+  text-decoration: none;
+  font-size: 14px;
+}
+.photo-lightbox__postnav a:hover { color: #fff; }
+.photo-lightbox__postnav span { color: transparent; }
+.photo-lightbox__counter { bottom: 60px; }
+
+.photo-lightbox__brand {
+  position: absolute;
+  top: 24px;
+  left: 36px;
+  color: rgba(255,255,255,0.25);
+  font-size: 16px;
+  letter-spacing: 0.1em;
+  z-index: 2;
+  font-family: "Noto Serif SC", "STSong", "Songti SC", serif;
+}
+
+.photo-lightbox__info {
+  text-align: center;
+  margin-bottom: 16px;
+}
+.photo-lightbox__photo-title {
+  color: rgba(255,255,255,0.5);
+  font-size: 15px;
+  font-weight: 400;
+  letter-spacing: 0.04em;
+}
+
+
+.photo-lightbox__content img { border-radius: 6px; }