如果我正确理解您的问题，您需要做的第一件事是，转到菜单/wp admin/nav menus。php（屏幕选项）和描述上的复选框（勾选）。你的学步课应该是这样的
class Menu_With_Description extends Walker_Nav_Menu {
function start_el(&$output, $item, $depth, $args) {
global $wp_query;
$indent = ( $depth ) ? str_repeat( "\\t", $depth ) : \'\';
$class_names = $value = \'\';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$class_names = join( \' \', apply_filters( \'nav_menu_css_class\', array_filter( $classes ), $item ) );
$class_names = \' class="\' . esc_attr( $class_names ) . \'"\';
$output .= $indent . \'<li id="menu-item-\'. $item->ID . \'"\' . $value . $class_names .\'>\';
$attributes = ! empty( $item->attr_title ) ? \' title="\' . esc_attr( $item->attr_title ) .\'"\' : \'\';
$attributes .= ! empty( $item->target ) ? \' target="\' . esc_attr( $item->target ) .\'"\' : \'\';
$attributes .= ! empty( $item->xfn ) ? \' rel="\' . esc_attr( $item->xfn ) .\'"\' : \'\';
$attributes .= ! empty( $item->url ) ? \' href="\' . esc_attr( $item->url ) .\'"\' : \'\';
$item_output = $args->before;
$item_output .= \'<a\'. $attributes .\'>\';
$item_output .= $args->link_before . apply_filters( \'the_title\', $item->title, $item->ID ) . $args->link_after;
$item_output .= \'<br /><span class="sub">\' . $item->description . \'</span>\';
$item_output .= \'</a>\';
$item_output .= $args->after;
$output .= apply_filters( \'walker_nav_menu_start_el\', $item_output, $item, $depth, $args );
}
}
然后找到wp\\u nav\\u菜单并使用
<?php $walker = new Menu_With_Description; ?>
<?php wp_nav_menu( array( \'theme_location\' => \'primary\', \'menu_class\' => \'nav-menu\', \'walker\' => $walker ) ); ?>
