WordPress页面伪静态

add_action('init', 'html_page_permalink', -1);
register_activation_hook(__FILE__, 'active');
register_deactivation_hook(__FILE__, 'deactive');
function html_page_permalink() {
    global $wp_rewrite;
    if (!strpos($wp_rewrite->get_page_permastruct() , '.html')) {
        $wp_rewrite->page_structure = $wp_rewrite->page_structure . '.html';
    }
}
add_filter('user_trailingslashit', 'no_page_slash', 66, 2);
function no_page_slash($string, $type) {
    global $wp_rewrite;
    if ($wp_rewrite->using_permalinks() && $wp_rewrite->use_trailing_slashes == true && $type == 'page') {
        return untrailingslashit($string);
    } else {
        return $string;
    }
}
function active() {
    global $wp_rewrite;
    if (!strpos($wp_rewrite->get_page_permastruct() , '.html')) {
        $wp_rewrite->page_structure = $wp_rewrite->page_structure . '.html';
    }
    $wp_rewrite->flush_rules();
}
function deactive() {
    global $wp_rewrite;
    $wp_rewrite->page_structure = str_replace(".html", "", $wp_rewrite->page_structure);
    $wp_rewrite->flush_rules();
}