如果你的网站使用了自定义文章类型,你可能需要将它的存档页面添加到导航菜单,虽然你可以使用“链接”来添加:
其实,最好的效果就是在菜单备选中罗列已有的自定义文章类型,然后可以选择添加至菜单:
if( !class_exists(\'CustomPostTypeArchiveInNavMenu\') ) { class CustomPostTypeArchiveInNavMenu { function CustomPostTypeArchiveInNavMenu() { add_action( \'admin_head-nav-menus.php\', array( &$this, \'cpt_navmenu_metabox\' ) ); add_filter( \'wp_get_nav_menu_items\', array( &$this,\'cpt_archive_menu_filter\'), 10, 3 ); } function cpt_navmenu_metabox() { add_meta_box( \'add-cpt\', __(\'自定义文章类型存档\'), array( &$this, \'cpt_navmenu_metabox_content\' ), \'nav-menus\', \'side\', \'default\' ); } function cpt_navmenu_metabox_content() { $post_types = get_post_types( array( \'show_in_nav_menus\' => true, \'has_archive\' => true ), \'object\' ); if( $post_types ) { foreach ( $post_types as &$post_type ) { $post_type->classes = array(); $post_type->type = $post_type->name; $post_type->object_id = $post_type->name; $post_type->title = $post_type->labels->name . __( \'存档\' ); $post_type->object = \'cpt-archive\'; } $walker = new Walker_Nav_Menu_Checklist( array() ); echo \'<div id=\"cpt-archive\" >\'; echo \'<div id=\"tabs-panel-cpt-archive\" >\'; echo \'<ul id=\"ctp-archive-checklist\" >\'; echo walk_nav_menu_tree( array_map(\'wp_setup_nav_menu_item\', $post_types), 0, (object) array( \'walker\' => $walker) ); echo \'</ul>\'; echo \'</div><!-- /.tabs-panel -->\'; echo \'</div>\'; echo \'<p >\'; echo \'<span >\'; echo \'<input type=\"submit\"\' . disabled( $nav_menu_selected_id, 0 ) . \'value=\"\'. __(\'添加至菜单\') . \'\" name=\"add-ctp-archive-menu-item\" id=\"submit-cpt-archive\" />\'; echo \'<span ></span>\'; echo \'</span>\'; echo \'</p>\'; } else { echo \'没有自定义文章类型\'; } } function cpt_archive_menu_filter( $items, $menu, $args ) { foreach( $items as &$item ) { if( $item->object != \'cpt-archive\' ) continue; $item->url = get_post_type_archive_link( $item->type ); if( get_query_var( \'post_type\' ) == $item->type ) { $item->classes[] = \'current-menu-item\'; $item->current = true; } } return $items; } } $CustomPostTypeArchiveInNavMenu = new CustomPostTypeArchiveInNavMenu(); }
通过这个方法添加的自定义文章类型的存档页面,只要是属于这个文章类型的页面,都会自动在菜单中添加一个 current-menu-item:
<li class="current-menu-item"><a href="https://www.xxx.com/questions">问题存档</a></li>
配合 CSS 即可实现当前菜单项的高亮效果: