设置WordPress系统TAGS标签链接以.html格式

/ applied when calling get_tag_link()
add_filter('tag_link', 'ludou_html_tag_link', 10, 2);

/**
 * tag页链接转换，将 /tag/tag-name/ 转成 /tag/tag-name.html
 */
function ludou_html_tag_link($tag_link, $tag_id) {
    return rtrim($tag_link, '/') . '.html';
}

RewriteRule ^tag/(.+)\.html$ /index.php?tag=$1 [L]
RewriteRule ^tag/(.+)\.html/page/([0-9]+)$ /index.php?tag=$1&paged=$2 [L]