我在为WordPres主题创建助行器时遇到了麻烦。我能够掌握基础知识，但难以让孩子们正常工作，主要是因为我使用输入作为父母。
这是我的完整标题：
<a href="#" class="logo"><img src="logo.png"></a>
<input class="menu-btn" type="checkbox" id="menu-btn" />
<label class="menu-icon" for="menu-btn"><span class="navicon"></span></label>
<ul class="menu">
<li><a href="what-we-do">What We Do</a></li>
<li><a href="#">How We Do It</a></li>
<li class="dropdown">
<input type="checkbox" id="checkbox-toggle">
<label for="checkbox-toggle">About Us</label>
<ul>
<li><a href="about-us">Our History</a></li>
<li><a href="our-services">Our Services</a></li>
</ul>
</li>
<li><a href="#">Resources</a></li>
<li><a href="#">Contact</a></li>
</ul>
感谢任何帮助，谢谢！
答案 0 :(得分：1)
自定义导航菜单的最佳方法是使用自定义'walker'功能。以下是如何实现所需自定义的步骤！
'walker'课程创建“wp-custom-nav-walker.php”文件。扩展要修改的Walker_Nav_Menu类和[复制类'函数] [1]并在新类中覆盖它，如下所示：
<?php
class WP_Custom_Nav_Walker extends Walker_Nav_Menu {
/**
* Start the element output.
*
* @see Walker::start_el()
*
* @since 3.0.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param array $args An array of arguments. @see wp_nav_menu()
* @param int $id Current item ID.
*/
public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$classes[] = 'menu-item-' . $item->ID;
/**
* Filter the CSS class(es) applied to a menu item's list item element.
*
* @since 3.0.0
* @since 4.1.0 The `$depth` parameter was added.
*
* @param array $classes The CSS classes that are applied to the menu item's `<li>` element.
* @param object $item The current menu item.
* @param array $args An array of {@see wp_nav_menu()} arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
/**
* Filter the ID applied to a menu item's list item element.
*
* @since 3.0.1
* @since 4.1.0 The `$depth` parameter was added.
*
* @param string $menu_id The ID that is applied to the menu item's `<li>` element.
* @param object $item The current menu item.
* @param array $args An array of {@see 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 : '';
$atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : '';
$atts['href'] = ! empty( $item->url ) ? $item->url : '';
/**
* Filter the HTML attributes applied to a menu item's anchor element.
*
* @since 3.6.0
* @since 4.1.0 The `$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.
* }
* @param object $item The current menu item.
* @param array $args An array of {@see 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 ( ! empty( $value ) ) {
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
$attributes .= ' ' . $attr . '="' . $value . '"';
}
}
$item_output = $args->before;
$item_output .= '<a'. $attributes .'>';
/** This filter is documented in wp-includes/post-template.php */
// YOUR ADDED CONTROL STARTS HERE!!
if ( $args->link_before === 'checkbox' ) {
$item_output .= '<input id="toggle' . $item->ID . '" type="checkbox" /> <label for="toggle' . $item->ID . '">';
}
$item_output .= apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
// YOUR ADDED CONTROL ENDS HERE!!
$item_output .= '</a>';
$item_output .= $args->after;
/**
* Filter a menu item's starting output.
*
* The menu item's starting output only includes `$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 object $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param array $args An array of {@see wp_nav_menu()} arguments.
*/
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
}
在“functions.php”文件中包含“wp-custom-nav-walker.php”文件：
// Register Custom Navigation Walker
require get_template_directory() . '/wp-custom-nav-walker.php';
// OR
require_once('wp-custom-nav-walker.php');
并像这样使用：
// Primary navigation menu.
wp_nav_menu( array(
'menu_class' => 'nav-menu',
'theme_location' => 'primary',
'link_before' => 'checkbox',
'walker' => new WP_Custom_Nav_Walker(),
) );
有关详细信息，请查看
希望这会对你有所帮助。