为什么，如果我写-。导航li。当前菜单项a{}，则活动页面子菜单中的所有项目都将突出显示，如何确保仅突出显示真正活动的项目？如果我写“li”，那么一切都很好。导航li。当前菜单项{}，但我需要它带有“-”；“a”。
My code variant—“我的代码变量”；“a”；工作不正常-
.nav li.current-menu-item a {
color: #ff7676;;
}
“我的代码变体”；“li”；工作正常-
.nav li.current-menu-item {
background-color: rgb(175, 173, 32);
}
我的菜单代码
<?php
if(has_nav_menu(\'head_menu\')){
wp_nav_menu(array (
\'theme_location\' => \'head_menu\',
\'container\'=> false,
\'menu_class\' => \'nav\',
\'items_wrap\' => \' <ul class="%2$s">%3$s\' . $mobile_search . \'</ul>\',
\'depth\' => 30,
\'walker\' => new Cust_Nav()
) );
}
?>
class Cust_Nav extends Walker_Nav_Menu {
public function start_lvl( &$output, $depth = 0, $args = null ) {
if ( isset( $args->item_spacing ) && \'discard\' === $args->item_spacing ) {
$t = \'\';
$n = \'\';
} else {
$t = "\\t";
$n = "\\n";
}
$indent = str_repeat( $t, $depth );
// Default class.
$classes = array( \'dropdown-menu\' );
/**
* Filters the CSS class(es) applied to a menu list element.
*
* @since 4.8.0
*
* @param string[] $classes Array of the CSS classes that are applied to the menu `<ul>` element.
* @param stdClass $args An object of `wp_nav_menu()` arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$class_names = implode( \' \', apply_filters( \'nav_menu_submenu_css_class\', $classes, $args, $depth ) );
$class_names = $class_names ? \' class="\' . esc_attr( $class_names ) . \'"\' : \'\';
$output .= "{$n}{$indent}<ul$class_names>{$n}";
}
/**
* Starts the element output.
*
* @since 3.0.0
* @since 4.4.0 The {@see \'nav_menu_item_args\'} filter was added.
*
* @see Walker::start_el()
*
* @param string $output Used to append additional content (passed by reference).
* @param WP_Post $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $id Current item ID.
*/
public function start_el( &$output, $item, $depth = 0, $args = null, $id = 0 ) {
if ( isset( $args->item_spacing ) && \'discard\' === $args->item_spacing ) {
$t = \'\';
$n = \'\';
} else {
$t = "\\t";
$n = "\\n";
}
$indent = ( $depth ) ? str_repeat( $t, $depth ) : \'\';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
if (in_array(\'menu-item-has-children\', $classes)){
$classes[] = \'dropdown\';
}
/**
* Filters the arguments for a single nav menu item.
*
* @since 4.4.0
*
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param WP_Post $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
*/
$args = apply_filters( \'nav_menu_item_args\', $args, $item, $depth );
/**
* Filters the CSS classes applied to a menu item\'s list item element.
*
* @since 3.0.0
* @since 4.1.0 The `$depth` parameter was added.
*
* @param string[] $classes Array of the CSS classes that are applied to the menu item\'s `<li>` element.
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$class_names = implode( \' \', apply_filters( \'nav_menu_css_class\', array_filter( $classes ), $item,$args, $depth ) );
$class_names = $class_names ? \' class="\' . esc_attr( $class_names ) . \'"\' : \'\';
/**
* Filters the ID applied to a menu item\'s list item element.
*
* @since 3.0.1
* @since 4.1.0 The `$depth` parameter was added.
*
* @param string $menu_id The ID that is applied to the menu item\'s `<li>` element.
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$id = apply_filters( \'nav_menu_item_id\', \'menu-item-\' . $item->ID, $item, $args, $depth );
$id = $id ? \' id="\' . esc_attr( $id ) . \'"\' : \'\';
$output .= $indent . \'<li\' . $id . $class_names . \'>\';
$atts = array();
$atts[\'title\'] = ! empty( $item->attr_title ) ? $item->attr_title : \'\';
$atts[\'target\'] = ! empty( $item->target ) ? $item->target : \'\';
if ( \'_blank\' === $item->target && empty( $item->xfn ) ) {
$atts[\'rel\'] = \'noopener\';
} else {
$atts[\'rel\'] = $item->xfn;
}
$atts[\'href\'] = ! empty( $item->url ) ? $item->url : \'\';
$atts[\'aria-current\'] = $item->current ? \'page\' : \'\';
/**
* Filters the HTML attributes applied to a menu item\'s anchor element.
*
* @since 3.6.0
* @since 4.1.0 The `$depth` parameter was added.
*
* @param array $atts {
* The HTML attributes applied to the menu item\'s `<a>` element, empty strings are ignored.
*
* @type string $title Title attribute.
* @type string $target Target attribute.
* @type string $rel The rel attribute.
* @type string $href The href attribute.
* @type string $aria-current The aria-current attribute.
* }
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$atts = apply_filters( \'nav_menu_link_attributes\', $atts, $item, $args, $depth );
$attributes = \'\';
foreach ( $atts as $attr => $value ) {
if ( is_scalar( $value ) && \'\' !== $value && false !== $value ) {
$value = ( \'href\' === $attr ) ? esc_url( $value ) : esc_attr( $value );
$attributes .= \' \' . $attr . \'="\' . $value . \'"\';
}
}
/** This filter is documented in wp-includes/post-template.php */
$title = apply_filters( \'the_title\', $item->title, $item->ID );
/**
* Filters a menu item\'s title.
*
* @since 4.4.0
*
* @param string $title The menu item\'s title.
* @param WP_Post $item The current menu item.
* @param stdClass $args An object of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$title = apply_filters( \'nav_menu_item_title\', $title, $item, $args, $depth );
$item_output = $args->before;
$item_output .= \'<a\' . $attributes . \'>\';
$item_output .= $args->link_before . $title . $args->link_after;
$item_output .= \'</a>\';
$item_output .= $args->after;
/**
* Filters a menu item\'s starting output.
*
* The menu item\'s starting output only includes `$args->before`, the opening `<a>`,
* the menu item\'s title, the closing `</a>`, and `$args->after`. Currently, there is
* no filter for modifying the opening and closing `<li>` for a menu item.
*
* @since 3.0.0
*
* @param string $item_output The menu item\'s starting HTML output.
* @param WP_Post $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param stdClass $args An object of wp_nav_menu() arguments.
*/
$output .= apply_filters( \'walker_nav_menu_start_el\', $item_output, $item, $depth, $args );
}
}
