php - Wordpress Accordion 菜单不会在点击时展开

标签 php jquery html css wordpress

我只是尝试按照本指南在 Wordpress 中实现 Accordion 菜单。

http://cssmenumaker.com/blog/wordpress-accordion-menu-tutorial

我的测试站点在这里:http://testsite2.seyoum.net/

如果我完全按照指南中的说明进行操作，WP 能够打印菜单并且我可以看到应用了 css 样式。问题是 li 组在单击时不会展开(这是这里的要点)。我不确定这是因为 .js 不工作还是有其他问题。

我想也许我以前的 CSS 有冲突，所以我用 _s 制作了一个新的 wordpress 主题，删除了所有的 css 样式(以便只应用 Accordion 菜单中的 CSS)，但我仍然遇到同样的问题。菜单在那里。它只是不会在点击时展开。

那么是什么原因造成的呢？

script.js:

( function( $ ) {
$( document ).ready(function() {
$('#cssmenu li.has-sub>a').on('click', function(){
        $(this).removeAttr('href');
        var element = $(this).parent('li');
        if (element.hasClass('open')) {
            element.removeClass('open');
            element.find('li').removeClass('open');
            element.find('ul').slideUp();
        }
        else {
            element.addClass('open');
            element.children('ul').slideDown();
            element.siblings('li').children('ul').slideUp();
            element.siblings('li').removeClass('open');
            element.siblings('li').find('li').removeClass('open');
            element.siblings('li').find('ul').slideUp();
        }
    });

    $('#cssmenu>ul>li.has-sub>a').append('<span class="holder"></span>');

    (function getColor() {
        var r, g, b;
        var textColor = $('#cssmenu').css('color');
        textColor = textColor.slice(4);
        r = textColor.slice(0, textColor.indexOf(','));
        textColor = textColor.slice(textColor.indexOf(' ') + 1);
        g = textColor.slice(0, textColor.indexOf(','));
        textColor = textColor.slice(textColor.indexOf(' ') + 1);
        b = textColor.slice(0, textColor.indexOf(')'));
        var l = rgbToHsl(r, g, b);
        if (l > 0.7) {
            $('#cssmenu>ul>li>a').css('text-shadow', '0 1px 1px rgba(0, 0, 0, .35)');
            $('#cssmenu>ul>li>a>span').css('border-color', 'rgba(0, 0, 0, .35)');
        }
        else
        {
            $('#cssmenu>ul>li>a').css('text-shadow', '0 1px 0 rgba(255, 255, 255, .35)');
            $('#cssmenu>ul>li>a>span').css('border-color', 'rgba(255, 255, 255, .35)');
        }
    })();

    function rgbToHsl(r, g, b) {
        r /= 255, g /= 255, b /= 255;
        var max = Math.max(r, g, b), min = Math.min(r, g, b);
        var h, s, l = (max + min) / 2;

        if(max == min){
            h = s = 0;
        }
        else {
            var d = max - min;
            s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
            switch(max){
                case r: h = (g - b) / d + (g < b ? 6 : 0); break;
                case g: h = (b - r) / d + 2; break;
                case b: h = (r - g) / d + 4; break;
            }
            h /= 6;
        }
        return l;
    }
});
} )( jQuery );

呈现的 HTML:

<div id="cssmenu" class="menu-accordion-menu-test-container"><ul id="menu-accordion-menu-test" class="menu"><li id="menu-item-1741" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children has-sub"><a href="#"><span>Group 1</span></a>
    <ul>
        <li id="menu-item-1743" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children has-sub"><a href="#"><span>Sub Group 1</span></a>
            <ul>
                <li id="menu-item-1746" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
                <li id="menu-item-1747" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
                <li id="menu-item-1748" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
            </ul>
        </li>
        <li id="menu-item-1744" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children has-sub"><a href="#"><span>Sub Group 2</span></a>
            <ul>
                <li id="menu-item-1751" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children has-sub"><a href="#"><span>Sub Group Level 3</span></a>
                    <ul>
                        <li id="menu-item-1749" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
                        <li id="menu-item-1750" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
                    </ul>
                </li>
                <li id="menu-item-1752" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
            </ul>
        </li>
        <li id="menu-item-1753" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
        <li id="menu-item-1754" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
    </ul>
</li>
<li id="menu-item-1755" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children has-sub"><a href="#"><span>Group 2</span></a>
    <ul>
        <li id="menu-item-1756" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
        <li id="menu-item-1757" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
    </ul>
</li>
<li id="menu-item-1758" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children has-sub"><a href="#"><span>Group 3</span></a>
    <ul>
        <li id="menu-item-1759" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
        <li id="menu-item-1760" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
    </ul>
</li>
<li id="menu-item-1761" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children has-sub"><a href="#"><span>Group 4</span></a>
    <ul>
        <li id="menu-item-1762" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children has-sub"><a href="#"><span>Sub Group 3</span></a>
            <ul>
                <li id="menu-item-1763" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
                <li id="menu-item-1764" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
            </ul>
        </li>
        <li id="menu-item-1765" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
        <li id="menu-item-1766" class="menu-item menu-item-type-custom menu-item-object-custom"><a href="#"><span>Image</span></a></li>
    </ul>
</li>
</ul></div>

CSS:

#cssmenu,
#cssmenu ul,
#cssmenu ul li,
#cssmenu ul li a {
  margin: 0;
  padding: 0;
  border: 0;
  list-style: none;
  line-height: 1;
  display: block;
  position: relative;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
#cssmenu {
  width: 200px;
  font-family: Helvetica, Arial, sans-serif;
  color: #ffffff;
}
#cssmenu ul ul {
  display: none;
}
.align-right {
  float: right;
}
#cssmenu > ul > li > a {
  padding: 15px 20px;
  border-left: 1px solid #1682ba;
  border-right: 1px solid #1682ba;
  border-top: 1px solid #1682ba;
  cursor: pointer;
  z-index: 2;
  font-size: 14px;
  font-weight: bold;
  text-decoration: none;
  color: #ffffff;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.35);
  background: #36aae7;
  background: -webkit-linear-gradient(#36aae7, #1fa0e4);
  background: -moz-linear-gradient(#36aae7, #1fa0e4);
  background: -o-linear-gradient(#36aae7, #1fa0e4);
  background: -ms-linear-gradient(#36aae7, #1fa0e4);
  background: linear-gradient(#36aae7, #1fa0e4);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
}
#cssmenu > ul > li > a:hover,
#cssmenu > ul > li.active > a,
#cssmenu > ul > li.open > a {
  color: #eeeeee;
  background: #1fa0e4;
  background: -webkit-linear-gradient(#1fa0e4, #1992d1);
  background: -moz-linear-gradient(#1fa0e4, #1992d1);
  background: -o-linear-gradient(#1fa0e4, #1992d1);
  background: -ms-linear-gradient(#1fa0e4, #1992d1);
  background: linear-gradient(#1fa0e4, #1992d1);
}
#cssmenu > ul > li.open > a {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 1px rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid #1682ba;
}
#cssmenu > ul > li:last-child > a,
#cssmenu > ul > li.last > a {
  border-bottom: 1px solid #1682ba;
}
.holder {
  width: 0;
  height: 0;
  position: absolute;
  top: 0;
  right: 0;
}
.holder::after,
.holder::before {
  display: block;
  position: absolute;
  content: "";
  width: 6px;
  height: 6px;
  right: 20px;
  z-index: 10;
  -webkit-transform: rotate(-135deg);
  -moz-transform: rotate(-135deg);
  -ms-transform: rotate(-135deg);
  -o-transform: rotate(-135deg);
  transform: rotate(-135deg);
}
.holder::after {
  top: 17px;
  border-top: 2px solid #ffffff;
  border-left: 2px solid #ffffff;
}
#cssmenu > ul > li > a:hover > span::after,
#cssmenu > ul > li.active > a > span::after,
#cssmenu > ul > li.open > a > span::after {
  border-color: #eeeeee;
}
.holder::before {
  top: 18px;
  border-top: 2px solid;
  border-left: 2px solid;
  border-top-color: inherit;
  border-left-color: inherit;
}
#cssmenu ul ul li a {
  cursor: pointer;
  border-bottom: 1px solid #32373e;
  border-left: 1px solid #32373e;
  border-right: 1px solid #32373e;
  padding: 10px 20px;
  z-index: 1;
  text-decoration: none;
  font-size: 13px;
  color: #eeeeee;
  background: #49505a;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
#cssmenu ul ul li:hover > a,
#cssmenu ul ul li.open > a,
#cssmenu ul ul li.active > a {
  background: #424852;
  color: #ffffff;
}
#cssmenu ul ul li:first-child > a {
  box-shadow: none;
}
#cssmenu ul ul ul li:first-child > a {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
#cssmenu ul ul ul li a {
  padding-left: 30px;
}
#cssmenu > ul > li > ul > li:last-child > a,
#cssmenu > ul > li > ul > li.last > a {
  border-bottom: 0;
}
#cssmenu > ul > li > ul > li.open:last-child > a,
#cssmenu > ul > li > ul > li.last.open > a {
  border-bottom: 1px solid #32373e;
}
#cssmenu > ul > li > ul > li.open:last-child > ul > li:last-child > a {
  border-bottom: 0;
}
#cssmenu ul ul li.has-sub > a::after {
  display: block;
  position: absolute;
  content: "";
  width: 5px;
  height: 5px;
  right: 20px;
  z-index: 10;
  top: 11.5px;
  border-top: 2px solid #eeeeee;
  border-left: 2px solid #eeeeee;
  -webkit-transform: rotate(-135deg);
  -moz-transform: rotate(-135deg);
  -ms-transform: rotate(-135deg);
  -o-transform: rotate(-135deg);
  transform: rotate(-135deg);
}
#cssmenu ul ul li.active > a::after,
#cssmenu ul ul li.open > a::after,
#cssmenu ul ul li > a:hover::after {
  border-color: #ffffff;
}

来自 header.php

<<?php 
                    wp_nav_menu(array(
                      'menu' => 'Accordion menu test',   // This will be different for you. 
                      'container_id' => 'cssmenu', 
                      'walker' => new CSS_Menu_Maker_Walker()
                      )); 
                      ?>

来自 functions.php:

add_action('wp_enqueue_scripts', 'cssmenumaker_scripts_styles' );
function cssmenumaker_scripts_styles() {
   wp_enqueue_style( 'cssmenu-styles', get_template_directory_uri() . '/cssmenu/styles.css');
   wp_enqueue_script('cssmenu-scripts', get_template_directory_uri() . '/cssmenu/script.js');
}

class CSS_Menu_Maker_Walker extends Walker {

  var $db_fields = array( 'parent' => 'menu_item_parent', 'id' => 'db_id' );

  function start_lvl( &$output, $depth = 0, $args = array() ) {
    $indent = str_repeat("\t", $depth);
    $output .= "\n$indent<ul>\n";
  }

  function end_lvl( &$output, $depth = 0, $args = array() ) {
    $indent = str_repeat("\t", $depth);
    $output .= "$indent</ul>\n";
  }

  function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {

    global $wp_query;
    $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
    $class_names = $value = ''; 
    $classes = empty( $item->classes ) ? array() : (array) $item->classes;

    /* Add active class */
    if(in_array('current-menu-item', $classes)) {
      $classes[] = 'active';
      unset($classes['current-menu-item']);
    }

    /* Check for children */
    $children = get_posts(array('post_type' => 'nav_menu_item', 'nopaging' => true, 'numberposts' => 1, 'meta_key' => '_menu_item_menu_item_parent', 'meta_value' => $item->ID));
    if (!empty($children)) {
      $classes[] = 'has-sub';
    }

    $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
    $class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';

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

    $output .= $indent . '<li' . $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 .'><span>';
    $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
    $item_output .= '</span></a>';
    $item_output .= $args->after;

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

  function end_el( &$output, $item, $depth = 0, $args = array() ) {
    $output .= "</li>\n";
  }
}

最佳答案

我在这里找到了一份非常有用且详细的指南:https://premium.wpmudev.org/blog/adding-jquery-scripts-wordpress/

解决方案很简单:

// Add styles to the cssmenu
add_action('wp_enqueue_scripts', 'cssmenumaker_scripts_styles' );
function cssmenumaker_scripts_styles() {
   wp_enqueue_style( 'cssmenu-styles', get_template_directory_uri() . '/cssmenu/styles.css');
}

// Add script to the css menu
function css_menu_script() {
    wp_enqueue_script( 'css_menu_script', get_template_directory_uri() . '/cssmenu/script.js', array( 'jquery' ), '1.0.0', true );
}
add_action( 'wp_enqueue_scripts', 'css_menu_script' );

关于php - Wordpress Accordion 菜单不会在点击时展开，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/36902587/

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