修改wordpress自带的wp-sitemap.xml站点文件

// 添加sitemap到你的主题函数
add_action( ‘template_redirect’, ‘my_sitemap_generator’ );

function my_sitemap_generator() {
// 检查是否是访问sitemap.xml的请求
if ( $_SERVER[‘REQUEST_URI’] == ‘/sitemap.xml’ ) {
header( ‘Content-type: text/xml’ );
echo ‘<?xml version=”1.0″ encoding=”UTF-8″?>’;
echo ‘<urlset xmlns=”http://www.sitemaps.org/schemas/sitemap/0.9″>’;

// 获取所有发布的文章
$posts = get_posts( array(
‘numberposts’ => -1,
‘post_type’ => ‘post’,
‘post_status’ => ‘publish’
) );

foreach( $posts as $post ) {
echo ‘<url>’;
echo ‘<loc>’ . get_permalink( $post->ID ) . ‘</loc>’;
echo ‘<lastmod>’ . get_the_modified_date( ‘Y-m-d’, $post->ID ) . ‘</lastmod>’;
echo ‘<changefreq>daily</changefreq>’;
echo ‘<priority>0.8</priority>’; // 假设文章优先级为0.8
echo ‘</url>’;
}

// 获取所有页面
$pages = get_pages( array(
‘sort_column’ => ‘post_date’,
‘sort_order’ => ‘asc’,
‘post_type’ => ‘page’,
‘post_status’ => ‘publish’
) );

foreach( $pages as $page ) {
echo ‘<url>’;
echo ‘<loc>’ . get_page_link( $page->ID ) . ‘</loc>’;
echo ‘<lastmod>’ . get_the_modified_date( ‘Y-m-d’, $page->ID ) . ‘</lastmod>’;
echo ‘<changefreq>monthly</changefreq>’; // 假设页面更新频率较低，为每月
echo ‘<priority>0.9</priority>’; // 假设页面优先级稍高于文章
echo ‘</url>’;
}

// 获取所有分类目录
$categories = get_categories( array(
‘hide_empty’ => 0,
‘orderby’ => ‘name’,
‘order’ => ‘ASC’
) );

foreach ( $categories as $category ) {
echo ‘<url>’;
echo ‘<loc>’ . get_category_link( $category->term_id ) . ‘</loc>’;
echo ‘<lastmod>’ . $category->last_update . ‘</lastmod>’; // 分类目录的更新日期可能不是直接的字段，这里假设有一个字段
echo ‘<changefreq>weekly</changefreq>’; // 假设分类目录的更新频率是每周
echo ‘<priority>0.7</priority>’; // 假设分类目录的优先级稍低于页面
echo ‘</url>’;
}

echo ‘</urlset>’;
exit;
}
}