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<?php
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/*
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* Template Name: 分类模板
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*/
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?>
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<?php get_header() ?>
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<!-- 新闻搜索功能模块 -->
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<div class="news-search-section">
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<div class="search-container">
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<div class="search-header">
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<h2 class="search-title">新闻资讯</h2>
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</div>
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<div class="search-form-wrapper">
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<?php
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$form_action = home_url('/');
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if (is_page()) {
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$form_action = get_permalink(get_queried_object_id());
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} elseif (is_category()) {
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$form_action = get_category_link(get_queried_object_id());
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}
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?>
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<form class="news-search-form" method="get" action="<?php echo esc_url($form_action); ?>">
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<div class="search-controls">
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<!-- 分类选择下拉菜单 -->
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<div class="category-selector">
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<?php
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$current_cat = isset($_GET['category']) ? $_GET['category'] : '';
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if (empty($current_cat) && is_category()) {
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$current_cat = get_queried_object()->slug;
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}
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?>
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<select name="category" id="news-category" class="category-dropdown">
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<option value="" data-url="<?php echo esc_url(home_url('/category/news-center/')); ?>" <?php selected(empty($current_cat) || $current_cat === 'news-center', true); ?>>显示全部</option>
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<?php
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$categories = get_categories(array(
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'hide_empty' => false,
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'orderby' => 'name',
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'order' => 'ASC'
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));
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foreach ($categories as $category) {
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if ($category->slug === 'news-center') continue;
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$cat_link = get_category_link($category->term_id);
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echo '<option value="' . esc_attr($category->slug) . '" data-url="' . esc_url($cat_link) . '" ' . selected($current_cat, $category->slug, false) . '>' . esc_html($category->name) . '</option>';
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}
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?>
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</select>
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</div>
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<!-- 搜索输入框 -->
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<div class="search-input-wrapper">
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<input type="text" name="search_keyword" id="news-search" class="search-input"
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placeholder="关键词"
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value="<?php echo isset($_GET['search_keyword']) ? esc_attr($_GET['search_keyword']) : ''; ?>"
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autocomplete="off">
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<div class="search-suggestions" id="search-suggestions"></div>
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</div>
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<!-- 搜索按钮 -->
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<button type="submit" class="search-button">
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<svg width="20" height="20" viewBox="0 0 20 20" fill="none">
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<path d="M19 19L13 13M15 8C15 11.866 11.866 15 8 15C4.134 15 1 11.866 1 8C1 4.134 4.134 1 8 1C11.866 1 15 4.134 15 8Z" stroke="white" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
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</svg>
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</button>
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</div>
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<input type="hidden" name="post_type" value="post">
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</form>
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</div>
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</div>
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</div>
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<!-- 文章展示组件 -->
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<div class="article-display-wrapper">
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<div class="article-content">
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<?php
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// 获取随机的一篇文章（带缓存）
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$cache_key = 'archive_random_post_' . (function_exists('get_theme_cache_version') ? get_theme_cache_version() : '');
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$random_posts = get_transient($cache_key);
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if ($random_posts === false) {
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$random_query = new WP_Query(array(
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'post_type' => 'post',
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'posts_per_page' => 1,
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'post_status' => 'publish',
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'orderby' => 'rand'
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));
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if ($random_query->have_posts()) {
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$random_posts = $random_query->posts;
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// 随机文章缓存5分钟，避免频繁查询
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set_transient($cache_key, $random_posts, 300);
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} else {
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$random_posts = array();
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}
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}
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if (!empty($random_posts)) :
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global $post;
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foreach ($random_posts as $post) :
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setup_postdata($post);
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// 获取文章特色图片
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$featured_image = get_the_post_thumbnail_url(get_the_ID(), 'large');
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if (!$featured_image) {
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$featured_image = get_template_directory_uri() . '/assets/images/default-post.jpg';
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}
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// 获取文章摘要
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$excerpt = get_the_excerpt();
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if (empty($excerpt)) {
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$excerpt = wp_trim_words(get_the_content(), 30, '...');
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}
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?>
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<div class="article-item">
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<div class="left-column">
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<a href="<?php echo esc_url(get_permalink()); ?>" class="image-link">
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<img src="<?php echo esc_url($featured_image); ?>" alt="<?php echo esc_attr(get_the_title()); ?>">
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</a>
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</div>
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<div class="right-column">
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<div class="content-top">
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<a href="<?php echo esc_url(get_permalink()); ?>" class="title-link">
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<h2 class="article-title"><?php echo esc_html(get_the_title()); ?></h2>
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</a>
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<p class="article-description">
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<?php echo esc_html($excerpt); ?>
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</p>
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<a href="<?php echo esc_url(get_permalink()); ?>" class="view-more-link">查看更多</a>
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</div>
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</div>
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</div>
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<?php
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endforeach;
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wp_reset_postdata();
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else :
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?>
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<div class="article-item">
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<div class="left-column">
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<img src="<?php echo get_template_directory_uri(); ?>/assets/images/default-post.jpg" alt="暂无文章">
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</div>
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<div class="right-column">
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<div class="content-top">
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<h2 class="article-title">暂无文章</h2>
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<p class="article-description">
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目前还没有发布任何文章，请稍后再来查看。
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</p>
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<a href="<?php echo esc_url(home_url('/')); ?>" class="view-more-link">返回首页</a>
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</div>
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</div>
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</div>
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<?php endif; ?>
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</div>
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</div>
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<!-- 文章列表板块 -->
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<div class="article-list-section">
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<div class="container">
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<div class="article-list-wrapper">
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<?php
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// 获取当前页码（用于分页，兼容页面模板）
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$paged = get_query_var('paged') ? get_query_var('paged') : (get_query_var('page') ? get_query_var('page') : 1);
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// 获取文章列表（支持数字分页）
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$args = array(
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'post_type' => 'post',
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'posts_per_page' => 5,
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'post_status' => 'publish',
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'orderby' => 'date',
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'order' => 'DESC',
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'paged' => $paged
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);
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// 如果是分类归档页面，添加分类筛选
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if (is_category()) {
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$args['cat'] = get_query_var('cat');
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}
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// 处理分类筛选（URL参数优先）
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if (isset($_GET['category']) && !empty($_GET['category'])) {
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$args['category_name'] = sanitize_text_field($_GET['category']);
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// 修复：如果有明确的分类筛选参数，且该参数与当前归档分类不同，则移除归档分类限制
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// 这样可以避免 "在分类A下搜索分类B" 导致的结果为空（除非文章同时属于两个分类）
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if (isset($args['cat'])) {
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unset($args['cat']);
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}
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}
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// 处理关键词搜索
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if (isset($_GET['search_keyword']) && !empty($_GET['search_keyword'])) {
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$args['s'] = sanitize_text_field($_GET['search_keyword']);
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}
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$articles_query = new WP_Query($args);
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if ($articles_query->have_posts()) :
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while ($articles_query->have_posts()) : $articles_query->the_post();
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// 获取文章特色图片
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$featured_image = get_the_post_thumbnail_url(get_the_ID(), 'medium');
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if (!$featured_image) {
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$featured_image = get_template_directory_uri() . '/assets/images/default-post.jpg';
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}
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// 获取文章摘要
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$excerpt = get_the_excerpt();
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if (empty($excerpt)) {
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$excerpt = wp_trim_words(get_the_content(), 20, '...');
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}
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// 获取发布时间
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$post_date = get_the_date('Y-m-d');
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?>
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<div class="article-list-item">
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<div class="article-image">
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<a href="<?php echo esc_url(get_permalink()); ?>">
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<img src="<?php echo esc_url($featured_image); ?>" alt="<?php echo esc_attr(get_the_title()); ?>">
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</a>
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</div>
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<div class="article-content">
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<div class="article-meta">
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<span class="article-date"><?php echo esc_html($post_date); ?></span>
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</div>
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<h3 class="article-title">
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<a href="<?php echo esc_url(get_permalink()); ?>"><?php echo esc_html(get_the_title()); ?></a>
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</h3>
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<p class="article-excerpt"><?php echo esc_html($excerpt); ?></p>
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<div class="article-actions">
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<a href="<?php echo esc_url(get_permalink()); ?>" class="read-more-btn">
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<span class="btn-circle">→</span>
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</a>
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</div>
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</div>
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</div>
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<?php
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endwhile;
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wp_reset_postdata();
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// 数字分页 - 修复静态首页模式下的分页URL问题
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$total_pages = $articles_query->max_num_pages;
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if ($total_pages > 1) {
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echo '<nav class="pagination">';
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$big = 999999999; // 需要一个不太可能碰撞的整数
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// 获取当前页面URL（archive.php的URL）
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global $wp;
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$current_url = home_url($wp->request);
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// 如果是根目录访问archive.php，需要特殊处理
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if (empty($wp->request) || $wp->request === '/') {
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// 为archive页面创建专门的URL结构
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$base_url = home_url('/news'); // 使用/news作为归档页面的基础URL
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$format = '/page/%#%/';
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} else {
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$base_url = $current_url;
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$format = '/page/%#%/';
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}
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// 检查是否使用了永久链接
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if (get_option('permalink_structure')) {
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$base = str_replace($big, '%#%', esc_url(get_pagenum_link($big)));
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// 确保base URL不会与首页冲突
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if (strpos($base, home_url('/page/')) === 0) {
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$base = home_url('/news/page/%#%/');
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}
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} else {
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$base = add_query_arg('paged', '%#%', $base_url);
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$format = '';
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}
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// 获取当前查询参数
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$current_query = $_GET;
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unset($current_query['paged']); // 移除paged参数避免重复
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echo paginate_links(array(
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'base' => $base,
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'format' => $format,
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'current' => max(1, $paged),
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'total' => $articles_query->max_num_pages,
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'prev_text' => '« 上一页',
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'next_text' => '下一页 »',
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'add_args' => $current_query,
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'add_fragment' => false,
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));
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echo '</nav>';
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}
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?>
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<?php else : ?>
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<div class="no-articles">
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<p>暂无文章发布</p>
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</div>
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<?php endif; ?>
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</div>
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</div>
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</div>
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<script>
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document.addEventListener('DOMContentLoaded', function() {
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var categorySelect = document.getElementById('news-category');
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var searchForm = document.querySelector('.news-search-form');
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var searchInput = document.getElementById('news-search');
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if (categorySelect && searchForm) {
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categorySelect.addEventListener('change', function() {
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var keyword = searchInput ? searchInput.value.trim() : '';
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var selectedOption = this.options[this.selectedIndex];
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// 如果没有关键词，直接跳转到分类页
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if (!keyword && selectedOption && selectedOption.dataset.url) {
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window.location.href = selectedOption.dataset.url;
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} else {
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// 如果有关键词，或者没有分类url（比如"显示全部"且没配置url），则提交表单
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searchForm.submit();
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}
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});
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}
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});
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</script>
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<?php get_footer() ?>
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