自定义pagination分页框架，替换掉html就可以了

<?php
function custom_pagination($wp_query = null, $range = 2) {
    // Use global wp_query if none provided
    if (!$wp_query) {
        global $wp_query;
    }
    
    // Get total pages from query
    $total_pages = $wp_query->max_num_pages;
    
    // Return empty if only one page or no pages
    if ($total_pages <= 1) {
        return '';
    }
    
    // Get current page
    $current_page = max(1, get_query_var('paged'));
    if ($current_page == 0) {
        $current_page = 1;
    }
    
    // Sanitize inputs
    $current_page = max(1, intval($current_page));
    $total_pages = max(1, intval($total_pages));
    $range = max(1, intval($range));
    
    // Ensure current page doesn't exceed total pages
    $current_page = min($current_page, $total_pages);
    
    // Auto-detect base URL
    $base_url = '';
    
    // Check if we're on a custom post type archive
    if (is_post_type_archive()) {
        $base_url = get_post_type_archive_link(get_post_type());
    }
    // Check if we're on a category page
    elseif (is_category()) {
        $base_url = get_category_link(get_queried_object_id());
    }
    // Check if we're on a tag page
    elseif (is_tag()) {
        $base_url = get_tag_link(get_queried_object_id());
    }
    // Check if we're on a taxonomy page
    elseif (is_tax()) {
        $base_url = get_term_link(get_queried_object());
    }
    // Check if we're on author page
    elseif (is_author()) {
        $base_url = get_author_posts_url(get_queried_object_id());
    }
    // Check if we're on search page
    elseif (is_search()) {
        $base_url = get_search_link();
    }
    // Default to current page URL
    else {
        $base_url = get_pagenum_link(1);
        $base_url = remove_query_arg('paged', $base_url);
    }
    
    // Remove trailing slash for consistency
    $base_url = rtrim($base_url, '/');
    
    ob_start();
    ?>
    <ul class="pagination">
        <?php
        // Previous page link
        if ($current_page > 1) {
            $prev_page = $current_page - 1;
            $prev_url = ($prev_page == 1) ? $base_url : $base_url . '/page/' . $prev_page;
            echo '<li class="page-item"><a class="page-link" href="' . esc_url($prev_url) . '" rel="prev">‹</a></li>';
        }
        
        // Calculate start and end of page range
        $start = max(1, $current_page - $range);
        $end = min($total_pages, $current_page + $range);
        
        // Show first page if not in range
        if ($start > 1) {
            $first_url = $base_url;
            echo '<li class="page-item"><a class="page-link" href="' . esc_url($first_url) . '">1</a></li>';
            
            // Show ellipsis if gap exists
            if ($start > 2) {
                echo '<li class="page-item disabled"><span class="page-link">...</span></li>';
            }
        }
        
        // Show page numbers in range
        for ($i = $start; $i <= $end; $i++) {
            if ($i == $current_page) {
                echo '<li class="page-item active"><span class="page-link">' . $i . '</span></li>';
            } else {
                $page_url = ($i == 1) ? $base_url : $base_url . '/page/' . $i;
                echo '<li class="page-item"><a class="page-link" href="' . esc_url($page_url) . '">' . $i . '</a></li>';
            }
        }
        
        // Show last page if not in range
        if ($end < $total_pages) {
            // Show ellipsis if gap exists
            if ($end < $total_pages - 1) {
                echo '<li class="page-item disabled"><span class="page-link">...</span></li>';
            }
            
            $last_url = $base_url . '/page/' . $total_pages;
            echo '<li class="page-item"><a class="page-link" href="' . esc_url($last_url) . '">' . $total_pages . '</a></li>';
        }
        
        // Next page link
        if ($current_page < $total_pages) {
            $next_page = $current_page + 1;
            $next_url = $base_url . '/page/' . $next_page;
            echo '<li class="page-item"><a class="page-link" href="' . esc_url($next_url) . '" rel="next">›</a></li>';
        }
        ?>
    </ul>
    <?php
    return ob_get_clean();
}

// Usage examples:

// Example 1: Default usage (uses global $wp_query)
// In any template file - archive.php, index.php, category.php, etc.
echo custom_pagination();

// Example 2: With custom WP_Query
$custom_query = new WP_Query($args);
if ($custom_query->have_posts()) {
    while ($custom_query->have_posts()) {
        $custom_query->the_post();
        // Display posts
    }
    // Display pagination for custom query
    echo custom_pagination($custom_query);
}
wp_reset_postdata();

// Example 3: With custom range (show more/fewer page numbers)
echo custom_pagination(null, 3); // Shows 3 pages before and after current

// Example 4: Ajax pagination (with custom query)
function ajax_load_posts() {
    $paged = $_POST['page'];
    $args = array(
        'post_type' => 'product',
        'posts_per_page' => 10,
        'paged' => $paged
    );
    
    $query = new WP_Query($args);
    if ($query->have_posts()) {
        while ($query->have_posts()) {
            $query->the_post();
            // Output post content
        }
    }
    
    // Return pagination
    echo custom_pagination($query);
    wp_die();
}
?>

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自定义pagination分页框架，替换掉html就可以了

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