首先,非常感谢所有在这里尝试提供帮助的人,其中一些答案让我很头疼。其次,请假设我几乎没有任何语言知识。
我正在尝试使用apycom.com/menus/12-forest-green.html菜单作为 wordpress 动态菜单,使用此处解释的方法cssmenumaker.com/blog/wordpress-3-drop-down-menu-tutorial。
一切看起来都很棒,但是子菜单不起作用。这是一张图片http://i.imgur.com/LHGhYyn.jpg。
编辑
也许我不是很清楚。让我详细解释一下
第 1 步:我将此自定义 walker 类添加到我的 functions.php
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 .'>';
$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
$item_output .= '</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";
}
}
第 2 步:将图像文件夹、menu.js 和 jquery.js 添加到我的主题文件夹中。还将以下菜单 css 添加到我的主题样式表中。
/**
*********************************************
* Prototype of styles for horizontal CSS-menu
* @data 30.06.2009
*********************************************
* (X)HTML-scheme:
* <div id="menu">
* <ul class="menu">
* <li><a href="#" class="parent"><span>level 1</span></a>
* <ul>
* <li><a href="#" class="parent"><span>level 2</span></a>
* <ul><li><a href="#"><span>level 3</span></a></li></ul>
* </li>
* </ul>
* </li>
* <li class="last"><a href="#"><span>level 1</span></a></li>
* </ul>
* </div>
*********************************************
*/
/* menu::base */
div#menu {
height: 46px;
padding-left: 24px;
background: url(images/left.png) no-repeat;
_background: url(images/left.gif) no-repeat;
width:auto;
}
div#menu ul {
margin: 0;
padding: 0;
list-style: none;
float: left;
}
div#menu ul.menu {
padding-right: 24px;
background: url(images/right.png) no-repeat right 0;
_background: url(images/right.gif) no-repeat right 0;
}
div#menu li {
position: relative;
margin: 0;
padding: 0;
display: block;
float: left;
z-index: 9;
width: auto;
}
div#menu ul ul li {
z-index: 9;
}
div#menu li div {
list-style: none;
float: left;
position: absolute;
z-index: 11;
top: 39px;
left: -18px;
-left: 4px;
visibility: hidden;
width: 180px;
margin: 0px 0 0 -4px;
padding: 0;
background: url(images/submenu-top.png) no-repeat 0px 0;
-background: url(images/submenu-top.gif) no-repeat 0px 0;
}
div#menu ul ul {
z-index: 12;
width: 180px;
padding: 0px 0px 12px 0px;
-padding: 0px 0px 3px 0px;
background: url(images/submenu-bottom.png) no-repeat 0px bottom;
-background: #E4E4E2 none;
margin: 14px 0 0 0;
-margin: 5px 0 0 0;
}
div#menu li:hover>div {
visibility: visible;
}
div#menu a {
position: relative;
z-index: 10;
height: 38px;
display: block;
float: left;
line-height: 38px;
text-decoration: none;
margin-top: 1px;
white-space: nowrap;
width: auto;
padding-right:5px;
text-align:center;
}
div#menu span {
margin-top: 2px;
padding-left: 15px;
color: #fff;
font: normal 13px Tahoma;
background: none;
line-height: 38px;
display: block;
cursor: pointer;
background-repeat: no-repeat;
background-position: 95% 0;
text-align: center;
}
/* menu::level1 */
div#menu a {
padding: 0 15px 0 0;
line-height: 38px;
height: 46px;
_margin-right: 1px;
background: none;
font-weight:bold;
}
div#menu span {
font-weight:bold;
}
div#menu a:hover{
background-image: url(images/selected-sub.png);
background-repeat: repeat-x;
background-position: right -1px;
-background: url(images/selected-sub.gif) repeat-x right -1px;
}
div#menu li.current a,
div#menu ul.menu>li:hover>a {
background-image: url(images/selected-sub.png);
background-repeat: repeat-x;
background-position: right -1px;
-background: url(images/selected-sub.gif) repeat-x right -1px;
}
div#menu a:hover span{
color: #000000;
}
div#menu ul.menu>li:hover>a span {
color: #000000;
}
div#menu li {}
div#menu li.last { background: none; }
/* menu::level2 */
div#menu ul ul li {
background-image: url(images/sep-sub.png);
background-repeat: repeat-x;
background-position: left bottom;
margin: 0;
padding: 0;
}
div#menu ul ul li:hover {
background-image: url(images/sub-item-hover.gif);
background-color: #717171;
background-repeat: repeat-x;
background-position: left top;
}
div#menu ul ul a {
color: #000000;
height: auto;
float: none;
display: block;
line-height: 25px;
font-size: 13px;
z-index: -1;
padding: 6px 0 6px 0px;
white-space: normal;
width: 166px;
margin: 0 0px 0 13px;
background: none;
}
div#menu ul ul a span {
color: #000000;
padding: 0 3px;
line-height: 25px;
font-size: 13px;
font-weight: normal;
margin:0;
}
div#menu li.current ul a,
div#menu li.current ul a span {
background: none;
}
div#menu ul ul a:hover {
background: none;
color: #fff;
}
div#menu ul ul a:hover span {
background: none;
color: #fff;
}
div#menu ul ul a.parent {
background: url(images/submenu-pointer.png) no-repeat right top;
-background: url(images/submenu-pointer.gif) no-repeat right top;
margin-right: -1px;
}
div#menu ul ul a.parent span {
padding-right: 26px;
}
div#menu ul ul a.parent:hover {
background: url(images/submenu-pointer-hover.gif) no-repeat right top;
-background: url(images/submenu-pointer.gif) no-repeat right top;
}
div#menu ul ul a.parent:hover span {
}
div#menu ul ul span {
margin-top: 0;
text-align: left;
}
div#menu ul ul li.last { background: none; }
div#menu ul ul li {
width: 100%;
}
/* menu::level3 */
div#menu ul ul div {
width: 180px;
padding: 0;
background: url(images/subsubmenu-top.png) no-repeat 0px 0;
-background: url(images/subsubmenu-top.gif) no-repeat 0px 0;
margin: -32px 0 0 198px !important;
margin: -32px 0 0 176px;
}
div#menu ul ul ul {
padding: 11px 0px 9px 0px;
margin: 20px 0 0 0;
}
div#menu ul ul div li {
position:relative;
top:-10px;
}
/* lava lamp */
div#menu li.back {
background: url(images/selected-sub.png) no-repeat 0 0;
-background: url(images/selected-sub.gif) no-repeat 0 0;
width: 5px;
height: 46px;
z-index: 8;
position: absolute;
padding: 0;
margin: 0px 0 0 0;
}
div#menu li.back .left {
padding:0;
width:auto;
background: url(images/selected-sub.png) repeat-x right 0;
-background: url(images/selected-sub.gif) repeat-x right 0;
height: 46px;
margin: 0 0 0 5px;
float: none;
position: relative;
top: 0;
left: 0;
visibility: visible;
}
第 3 步:在外观 > 菜单中创建一个菜单并将其命名为“菜单”并将此代码添加到我的模板中以打印菜单
<?php
wp_nav_menu(array(
'menu' => 'menu',
'container_id' => 'menu',
'link_before' => '<span>',
'link_after' => '</span>',
'walker' => new CSS_Menu_Maker_Walker()
));
?>
现在从上图可以看出,子菜单卡在菜单顶部并且始终可见。但是,如果没有子菜单,则菜单可以完美运行,包括 lavalamp 效果。
我希望我现在已经足够清楚了。不幸的是,@5wordpressthemes 的回答没有帮助。感谢您的时间。