频道导航

WordPress教程：输出Bootstrap结构的导航栏菜单

2019-03-15 wordpress 前端之家

前端之家收集整理的这篇文章主要介绍了WordPress教程：输出Bootstrap结构的导航栏菜单，前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。

站长朋友们在使用的过程中，当做成自适应网站，引入Bootstrap框架的时候，希望可以输出Bootstrap结构的导航栏菜单，这样就够利用Bootstrap提供的样式进行菜单的显示。这篇WordPress教程里我们就向大家介绍一下如何在wordpress网站中输出Bootstrap结构的菜单。

我们先来看一下Bootstrap导航栏结构HTML代码:

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wordpress一般采用wp_nav_menu函数输出导航栏菜单，而通过该函数输出的菜单是得不到上述的html结构的。可喜的是wp_nav_menu函数支持自定义输出html结构。

wordpress中wp_nav_menu函数的参数如下所示：

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我们要修改的是walker参数。

1. 切换到主题目录，打开functions.PHP 文件，加入以下代码：

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<?<a href="https://www.jb51.cc/tag/PHP/" target="_blank" class="keywords">PHP</a>

/**
 * Class Name: wp_bootstrap_navwalker
 * GitHub URI: https://github.com/twittem/wp-bootstrap-navwalker
 * Description: A custom <a href="https://www.jb51.cc/tag/wordpress/" target="_blank" class="keywords">wordpress</a> nav walker class to implement the Bootstrap 3 navigation style in a custom theme using the <a href="https://www.jb51.cc/tag/wordpress/" target="_blank" class="keywords">wordpress</a> built in menu manager.
 * Version: 2.0.4
 * Author: Edward McIntyre - @twittem
 * License: GPL-2.0+
 * License URI: http://www.gnu.org/licenses/gpl-2.0.txt
 */

class wp_bootstrap_navwalker extends Walker_Nav_Menu {

/**
	 * @see Walker::start_lvl()
	 * @since 3.0.0
	 *
	 * @param string $output Passed by reference. Used to append additional content.
	 * @param int $depth Depth of page. Used for padding.
	 */
	public function start_lvl( &$output,$depth = 0,$args = array() ) {
		$indent = str_repeat( "\t",$depth );
		$output .= "\n$indent<ul role=\"menu\" class=\" dropdown-menu\">\n";
	}

/**
	 * @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 int $current_page Menu item ID.
	 * @param object $args
	 */
	public function start_el( &$output,$item,$args = array(),$id = 0 ) {
		$indent = ( $depth ) ? str_repeat( "\t",$depth ) : '';

/**
		 * Dividers,Headers or Disabled
		 * =============================
		 * Determine whether the item is a Divider,Header,Disabled or regular
		 * menu item. To prevent errors we use the strcasecmp() function to so a
		 * comparison that is not case sensitive. The strcasecmp() function returns
		 * a 0 if the strings are equal.
		 */
		if ( strcasecmp( $item->attr_title,'divider' ) == 0 && $depth === 1 ) {
			$output .= $indent . '<li role="presentation" class="divider">';
		} else if ( strcasecmp( $item->title,'divider') == 0 && $depth === 1 ) {
			$output .= $indent . '<li role="presentation" class="divider">';
		} else if ( strcasecmp( $item->attr_title,'dropdown-header') == 0 && $depth === 1 ) {
			$output .= $indent . '<li role="presentation" class="dropdown-header">' . esc_attr( $item->title );
		} else if ( strcasecmp($item->attr_title,'disabled' ) == 0 ) {
			$output .= $indent . '<li role="presentation" class="disabled"><a href="#">' . esc_attr( $item->title ) . '</a>';
		} else {

$class_names = $value = '';

$classes = empty( $item->classes ) ? array() : (array) $item->classes;
			$classes[] = 'menu-item-' . $item->ID;

$class_names = join( ' ',apply_filters( 'nav_menu_css_class',array_filter( $classes ),$args ) );

if ( $args->has_children )
				$class_names .= ' dropdown';

if ( in_array( 'current-menu-item',$classes ) )
				$class_names .= ' active';

$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';

$id = apply_filters( 'nav_menu_item_id','menu-item-'. $item->ID,$args );
			$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';

$output .= $indent . '<li' . $id . $value . $class_names .'>';

$atts = array();
			$atts['title']  = ! empty( $item->title )	? $item->title	: '';
			$atts['target'] = ! empty( $item->target )	? $item->target	: '';
			$atts['rel']    = ! empty( $item->xfn )		? $item->xfn	: '';

// If item has_children add atts to a.
			if ( $args->has_children && $depth === 0 ) {
				$atts['href']   		= '#';
				$atts['data-toggle']	= 'dropdown';
				$atts['class']			= 'dropdown-toggle';
				$atts['aria-haspopup']	= 'true';
			} else {
				$atts['href'] = ! empty( $item->url ) ? $item->url : '';
			}

$atts = apply_filters( 'nav_menu_link_attributes',$atts,$args );

$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;

/*
			 * Glyphicons
			 * ===========
			 * Since the the menu item is NOT a Divider or Header we check the see
			 * if there is a value in the attr_title property. If the attr_title
			 * property is NOT null we apply it as the class name for the glyphicon.
			 */
			if ( ! empty( $item->attr_title ) )
				$item_output .= '<a'. $attributes .'><span class="glyphicon ' . esc_attr( $item->attr_title ) . '"></span>&nbsp;';
			else
				$item_output .= '<a'. $attributes .'>';

$item_output .= $args->link_before . apply_filters( 'the_title',$item->title,$item->ID ) . $args->link_after;
			$item_output .= ( $args->has_children && 0 === $depth ) ? ' <span class="caret"></span></a>' : '</a>';
			$item_output .= $args->after;

$output .= apply_filters( 'walker_nav_menu_start_el',$item_output,$depth,$args );
		}
	}

/**
	 * Traverse elements to create list from elements.
	 *
	 * Display one element if the element doesn't have any children otherwise,* display the element and its children. Will only traverse up to the max
	 * depth and no ignore elements under that depth.
	 *
	 * This method shouldn't be called directly,use the walk() method instead.
	 *
	 * @see Walker::start_el()
	 * @since 2.5.0
	 *
	 * @param object $element Data object
	 * @param array $children_elements List of elements to continue traversing.
	 * @param int $max_depth Max depth to traverse.
	 * @param int $depth Depth of current element.
	 * @param array $args
	 * @param string $output Passed by reference. Used to append additional content.
	 * @return null Null on failure with no changes to parameters.
	 */
	public function display_element( $element,&$children_elements,$max_depth,$args,&$output ) {
        if ( ! $element )
            return;

$id_field = $this->db_fields['id'];

// Display this element.
        if ( is_object( $args[0] ) )
           $args[0]->has_children = ! empty( $children_elements[ $element->$id_field ] );

parent::display_element( $element,$children_elements,$output );
    }

/**
	 * Menu Fallback
	 * =============
	 * If this function is assigned to the wp_nav_menu's fallback_cb variable
	 * and a manu has not been assigned to the theme location in the <a href="https://www.jb51.cc/tag/wordpress/" target="_blank" class="keywords">wordpress</a>
	 * menu manager the function with display nothing to a non-logged in user,* and will add a link to the <a href="https://www.jb51.cc/tag/wordpress/" target="_blank" class="keywords">wordpress</a> menu manager if logged in as an admin.
	 *
	 * @param array $args passed from the wp_nav_menu function.
	 *
	 */
	public static function fallback( $args ) {
		if ( current_user_can( 'manage_options' ) ) {

extract( $args );

$fb_output = null;

if ( $container ) {
				$fb_output = '<' . $container;

if ( $container_id )
					$fb_output .= ' id="' . $container_id . '"';

if ( $container_class )
					$fb_output .= ' class="' . $container_class . '"';

$fb_output .= '>';
			}

$fb_output .= '<ul';

if ( $menu_id )
				$fb_output .= ' id="' . $menu_id . '"';

if ( $menu_class )
				$fb_output .= ' class="' . $menu_class . '"';

$fb_output .= '>';
			$fb_output .= '<li><a href="' . admin_url( 'nav-menus.php' ) . '">Add a menu</a></li>';
			$fb_output .= '</ul>';

if ( $container )
				$fb_output .= '</' . $container . '>';

echo $fb_output;
		}
	}
}

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403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-82">

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403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-106">403_155@-c"> * Glyphicons

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-107">403_155@-c"> * ===========

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-108">403_155@-c"> * Since the the menu item is NOT a Divider or Header we check the see

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-109">403_155@-c"> * if there is a value in the attr_title property. If the attr_title

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403_155@-line" id="@R_403_155@-5c891cff2529a927894366-123">403_155@-h"> 403_155@-sy">}

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-124">

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-125">403_155@-h"> 403_155@-c">/**

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-126">403_155@-c"> * Traverse elements to create list from elements.

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-127">403_155@-c"> *

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-128">403_155@-c"> * Display one element if the element doesn't have any children otherwise,

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-129">403_155@-c"> * display the element and its children. Will only traverse up to the max

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-130">403_155@-c"> * depth and no ignore elements under that depth.

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-131">403_155@-c"> *

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-132">403_155@-c"> * This method shouldn't be called directly,use the walk() method instead.

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-133">403_155@-c"> *

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-134">403_155@-c"> * @see Walker::start_el()

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-135">403_155@-c"> * @since 2.5.0

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-136">403_155@-c"> *

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-137">403_155@-c"> * @param object $element Data object

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-138">403_155@-c"> * @param array $children_elements List of elements to continue traversing.

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-139">403_155@-c"> * @param int $max_depth Max depth to traverse.

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-140">403_155@-c"> * @param int $depth Depth of current element.

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-141">403_155@-c"> * @param array $args

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-142">403_155@-c"> * @param string $output Passed by reference. Used to append additional content.

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-143">403_155@-c"> * @return null Null on failure with no changes to parameters.

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-144">403_155@-c"> */

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-145">403_155@-h"> 403_155@-m">public403_155@-h"> 403_155@-t">function403_155@-h"> 403_155@-e">display_element403_155@-sy">(403_155@-h"> 403_155@-v">$element403_155@-sy">,403_155@-h"> 403_155@-o">&403_155@-v">$children_elements403_155@-sy">,403_155@-h"> 403_155@-v">$max_depth403_155@-sy">,403_155@-h"> 403_155@-v">$args403_155@-sy">,403_155@-h"> 403_155@-o">&403_155@-v">$output403_155@-h"> 403_155@-sy">)403_155@-h"> 403_155@-sy">{

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-146">403_155@-h">403_155@-st">if403_155@-h"> 403_155@-sy">(403_155@-h"> 403_155@-o">!403_155@-h"> 403_155@-v">$element403_155@-h"> 403_155@-sy">)

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-147">403_155@-h">403_155@-k ">return403_155@-sy">;

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-148">

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-149">403_155@-h">403_155@-v">$id_field403_155@-h"> 403_155@-o">=403_155@-h"> 403_155@-v">$this403_155@-i">db_fields403_155@-sy">[403_155@-s">'id'403_155@-sy">]403_155@-sy">;

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-150">

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-151">403_155@-h">403_155@-c">// Display this element.

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-152">403_155@-h">403_155@-st">if403_155@-h"> 403_155@-sy">(403_155@-h"> 403_155@-e">is_object403_155@-sy">(403_155@-h"> 403_155@-v">$args403_155@-sy">[403_155@-cn">0403_155@-sy">]403_155@-h"> 403_155@-sy">)403_155@-h"> 403_155@-sy">)

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-153">403_155@-h"> 403_155@-v">$args403_155@-sy">[403_155@-cn">0403_155@-sy">]403_155@-i">has_children403_155@-h"> 403_155@-o">=403_155@-h"> 403_155@-o">!403_155@-h"> 403_155@-k ">empty403_155@-sy">(403_155@-h"> 403_155@-v">$children_elements403_155@-sy">[403_155@-h"> 403_155@-v">$element403_155@-v">$id_field403_155@-h"> 403_155@-sy">]403_155@-h"> 403_155@-sy">)403_155@-sy">;

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-154">

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-155">403_155@-h">403_155@-r">parent403_155@-o">::403_155@-e">display_element403_155@-sy">(403_155@-h"> 403_155@-v">$element403_155@-sy">,403_155@-h"> 403_155@-v">$children_elements403_155@-sy">,403_155@-h"> 403_155@-v">$output403_155@-h"> 403_155@-sy">)403_155@-sy">;

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-156">403_155@-h">403_155@-sy">}

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-157">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-158">403_155@-h"> 403_155@-c">/**

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-159">403_155@-c"> * Menu Fallback

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-160">403_155@-c"> * =============

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-161">403_155@-c"> * If this function is assigned to the wp_nav_menu's fallback_cb variable

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-162">403_155@-c"> * and a manu has not been assigned to the theme location in the wordpress

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-163">403_155@-c"> * menu manager the function with display nothing to a non-logged in user,

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-164">403_155@-c"> * and will add a link to the wordpress menu manager if logged in as an admin.

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-165">403_155@-c"> *

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-166">403_155@-c"> * @param array $args passed from the wp_nav_menu function.

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-167">403_155@-c"> *

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-168">403_155@-c"> */

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-169">403_155@-h"> 403_155@-m">public403_155@-h"> 403_155@-m">static403_155@-h"> 403_155@-t">function403_155@-h"> 403_155@-e">fallback403_155@-sy">(403_155@-h"> 403_155@-v">$args403_155@-h"> 403_155@-sy">)403_155@-h"> 403_155@-sy">{

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-170">403_155@-h"> 403_155@-st">if403_155@-h"> 403_155@-sy">(403_155@-h"> 403_155@-e">current_user_can403_155@-sy">(403_155@-h"> 403_155@-s">'manage_options'403_155@-h"> 403_155@-sy">)403_155@-h"> 403_155@-sy">)403_155@-h"> 403_155@-sy">{

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-171">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-172">403_155@-h"> 403_155@-e">extract403_155@-sy">(403_155@-h"> 403_155@-v">$args403_155@-h"> 403_155@-sy">)403_155@-sy">;

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-173">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-174">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-o">=403_155@-h"> 403_155@-t">null403_155@-sy">;

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-175">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-176">403_155@-h"> 403_155@-st">if403_155@-h"> 403_155@-sy">(403_155@-h"> 403_155@-v">$container403_155@-h"> 403_155@-sy">)403_155@-h"> 403_155@-sy">{

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-177">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-o">=403_155@-h"> 403_155@-s">'<'403_155@-h"> 403_155@-sy">.403_155@-h"> 403_155@-v">$container403_155@-sy">;

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-178">

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-179">403_155@-h"> 403_155@-st">if403_155@-h"> 403_155@-sy">(403_155@-h"> 403_155@-v">$container_id403_155@-h"> 403_155@-sy">)

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-180">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-sy">.403_155@-o">=403_155@-h"> 403_155@-s">' id="'403_155@-h"> 403_155@-sy">.403_155@-h"> 403_155@-v">$container_id403_155@-h"> 403_155@-sy">.403_155@-h"> 403_155@-s">'"'403_155@-sy">;

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-181">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-182">403_155@-h"> 403_155@-st">if403_155@-h"> 403_155@-sy">(403_155@-h"> 403_155@-v">$container_class403_155@-h"> 403_155@-sy">)

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-183">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-sy">.403_155@-o">=403_155@-h"> 403_155@-s">' class="'403_155@-h"> 403_155@-sy">.403_155@-h"> 403_155@-v">$container_class403_155@-h"> 403_155@-sy">.403_155@-h"> 403_155@-s">'"'403_155@-sy">;

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-184">

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-185">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-sy">.403_155@-o">=403_155@-h"> '403_155@-sy">;

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-186">403_155@-h"> 403_155@-sy">}

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-187">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-188">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-sy">.403_155@-o">=403_155@-h"> 403_155@-s">'403_155@-sy">;

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-189">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-190">403_155@-h"> 403_155@-st">if403_155@-h"> 403_155@-sy">(403_155@-h"> 403_155@-v">$menu_id403_155@-h"> 403_155@-sy">)

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-191">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-sy">.403_155@-o">=403_155@-h"> 403_155@-s">' id="'403_155@-h"> 403_155@-sy">.403_155@-h"> 403_155@-v">$menu_id403_155@-h"> 403_155@-sy">.403_155@-h"> 403_155@-s">'"'403_155@-sy">;

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-192">

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-193">403_155@-h"> 403_155@-st">if403_155@-h"> 403_155@-sy">(403_155@-h"> 403_155@-v">$menu_class403_155@-h"> 403_155@-sy">)

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-194">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-sy">.403_155@-o">=403_155@-h"> 403_155@-s">' class="'403_155@-h"> 403_155@-sy">.403_155@-h"> 403_155@-v">$menu_class403_155@-h"> 403_155@-sy">.403_155@-h"> 403_155@-s">'"'403_155@-sy">;

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-195">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-196">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-sy">.403_155@-o">=403_155@-h"> '403_155@-sy">;

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-197">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-sy">.403_155@-o">=403_155@-h"> 403_155@-s">'

'403_155@-sy">;

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-198">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-sy">.403_155@-o">=403_155@-h"> 403_155@-s">''403_155@-sy">;

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-199">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-200">403_155@-h"> 403_155@-st">if403_155@-h"> 403_155@-sy">(403_155@-h"> 403_155@-v">$container403_155@-h"> 403_155@-sy">)

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-201">403_155@-h"> 403_155@-v">$fb_output403_155@-h"> 403_155@-sy">.403_155@-o">=403_155@-h"> 403_155@-s">'403_155@-h"> 403_155@-sy">.403_155@-h"> 403_155@-v">$container403_155@-h"> 403_155@-sy">.403_155@-h"> '403_155@-sy">;

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-202">

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-203">403_155@-h"> 403_155@-k ">echo403_155@-h"> 403_155@-v">$fb_output403_155@-sy">;

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-204">403_155@-h"> 403_155@-sy">}

403_155@-line" id="@R_403_155@-5c891cff2529a927894366-205">403_155@-h"> 403_155@-sy">}

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529a927894366-206">403_155@-sy">}

2. 在需要的地方（header.PHP 文件中）通过如下代码输出导航栏菜单：

403_155@-5c891cff2529c774914483" class="@R_403_155@-Syntax @R_403_155@-theme-classic @R_403_155@-font-monaco @R_403_155@-os-pc print-yes notranslate" data-settings=" minimize scroll-mouSEOver" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">

403_155@-toolbar" data-settings=" mouSEOver overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">403_155@-title">header.PHP

403_155@-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">403_155@-mixed-highlight" title="Contains Mixed Languages">

403_155@-button @R_403_155@-nums-button" title="Toggle Line Numbers">

403_155@-button-icon">

403_155@-button @R_403_155@-plain-button" title="Toggle Plain Code">

403_155@-button-icon">

403_155@-button @R_403_155@-wrap-button" title="Toggle Line Wrap">

403_155@-button-icon">

403_155@-button @R_403_155@-expand-button" title="Expand Code">

403_155@-button-icon">

403_155@-button @R_403_155@-copy-button" title="Copy">

403_155@-button-icon">

403_155@-button @R_403_155@-popup-button" title="Open Code In New Window">

403_155@-button-icon">

403_155@-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">

403_155@-plain-wrap">

403_155@-main" style="">403_155@-table">403_155@-row">

403_155@-nums " data-settings="show">

403_155@-nums-content" style="font-size: 12px !important; line-height: 15px !important;">

403_155@-num" data-line="@R_403_155@-5c891cff2529c774914483-1">1

403_155@-num @R_403_155@-striped-num" data-line="@R_403_155@-5c891cff2529c774914483-2">2

403_155@-num" data-line="@R_403_155@-5c891cff2529c774914483-3">3

403_155@-num @R_403_155@-striped-num" data-line="@R_403_155@-5c891cff2529c774914483-4">4

403_155@-num" data-line="@R_403_155@-5c891cff2529c774914483-5">5

403_155@-num @R_403_155@-striped-num" data-line="@R_403_155@-5c891cff2529c774914483-6">6

403_155@-num" data-line="@R_403_155@-5c891cff2529c774914483-7">7

403_155@-num @R_403_155@-striped-num" data-line="@R_403_155@-5c891cff2529c774914483-8">8

403_155@-num" data-line="@R_403_155@-5c891cff2529c774914483-9">9

403_155@-num @R_403_155@-striped-num" data-line="@R_403_155@-5c891cff2529c774914483-10">10

403_155@-num" data-line="@R_403_155@-5c891cff2529c774914483-11">11

403_155@-num @R_403_155@-striped-num" data-line="@R_403_155@-5c891cff2529c774914483-12">12

403_155@-num" data-line="@R_403_155@-5c891cff2529c774914483-13">13

403_155@-num @R_403_155@-striped-num" data-line="@R_403_155@-5c891cff2529c774914483-14">14

403_155@-num" data-line="@R_403_155@-5c891cff2529c774914483-15">15

403_155@-num @R_403_155@-striped-num" data-line="@R_403_155@-5c891cff2529c774914483-16">16

403_155@-num" data-line="@R_403_155@-5c891cff2529c774914483-17">17

403_155@-num @R_403_155@-striped-num" data-line="@R_403_155@-5c891cff2529c774914483-18">18

403_155@-code">

403_155@-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">

403_155@-line" id="@R_403_155@-5c891cff2529c774914483-1">403_155@-o"><403_155@-e">nav 403_155@-t">class403_155@-o">=403_155@-s">"navbar navbar-default"403_155@-h"> 403_155@-v">role403_155@-o">=403_155@-s">"navigation"

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529c774914483-2">403_155@-h"> 403_155@-o"><403_155@-e">div 403_155@-t">class403_155@-o">=403_155@-s">"navbar-header"

403_155@-line" id="@R_403_155@-5c891cff2529c774914483-3">403_155@-h"> 403_155@-o"><403_155@-i">a403_155@-h"> 403_155@-t">class403_155@-o">=403_155@-s">"navbar-brand"403_155@-h"> 403_155@-v">href403_155@-o">=403_155@-s">"#"403_155@-e">TENNFY403_155@-h"> 403_155@-e">WU403_155@-o"><403_155@-o">/403_155@-e">a

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529c774914483-4">403_155@-h"> 403_155@-o"><403_155@-o">/403_155@-e">div

403_155@-line" id="@R_403_155@-5c891cff2529c774914483-5">403_155@-h"> 403_155@-o"><403_155@-e">div

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529c774914483-6">403_155@-h"> 403_155@-ta">PHP403_155@-h">

403_155@-line" id="@R_403_155@-5c891cff2529c774914483-7">403_155@-h"> 403_155@-e">wp_nav_menu403_155@-sy">(403_155@-h"> 403_155@-t">array403_155@-sy">(403_155@-h">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529c774914483-8">403_155@-h"> 403_155@-s">'theme_location'403_155@-h"> 403_155@-o">=403_155@-h"> 403_155@-s">'cat_nav'403_155@-sy">,403_155@-h">

403_155@-line" id="@R_403_155@-5c891cff2529c774914483-9">403_155@-h"> 403_155@-s">'depth'403_155@-h"> 403_155@-o">=403_155@-h"> 403_155@-cn">2403_155@-sy">,403_155@-h">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529c774914483-10">403_155@-h"> 403_155@-s">'container'403_155@-h"> 403_155@-o">=403_155@-h"> 403_155@-t">false403_155@-sy">,403_155@-h">

403_155@-line" id="@R_403_155@-5c891cff2529c774914483-11">403_155@-h"> 403_155@-s">'menu_class'403_155@-h"> 403_155@-o">=403_155@-h"> 403_155@-s">'nav navbar-nav'403_155@-sy">,403_155@-h">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529c774914483-12">403_155@-h"> 403_155@-s">'fallback_cb'403_155@-h"> 403_155@-o">=403_155@-h"> 403_155@-s">'wp_page_menu'403_155@-sy">,403_155@-h">

403_155@-line" id="@R_403_155@-5c891cff2529c774914483-13">403_155@-h"> 403_155@-c">//添加或更改walker参数

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529c774914483-14">403_155@-h"> 403_155@-s">'walker'403_155@-h"> 403_155@-o">=403_155@-h"> 403_155@-r">new403_155@-h"> 403_155@-e">wp_bootstrap_navwalker403_155@-sy">(403_155@-sy">)403_155@-sy">)403_155@-h">

403_155@-line" id="@R_403_155@-5c891cff2529c774914483-15">403_155@-h"> 403_155@-sy">)403_155@-sy">;403_155@-h">

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529c774914483-16">403_155@-h">

403_155@-line" id="@R_403_155@-5c891cff2529c774914483-17">403_155@-h"> 403_155@-o"><403_155@-o">/403_155@-v">div

403_155@-line @R_403_155@-striped-line" id="@R_403_155@-5c891cff2529c774914483-18">403_155@-o"><403_155@-o">/403_155@-v">nav

原文链接：https://www.f2er.com/wordpress/238430.html

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