【发布时间】：2018-02-22 18:49:44
【问题描述】：
我手上有一个小问题，我有一个 Megamenu，可以在移动设备和桌面设备上使用，我想让菜单中心的内容对齐，但我只能左对齐或右对齐。 我可以用
对齐中心> ul {
display: flex; //it was none
justify-content: center;
align-self: center;
...
}
但是悬停总是启用并且移动版本打开了所有菜单..我关闭了每个菜单，然后菜单按预期工作.. 我开始的菜单是这个小提琴：
用
修改实际代码display: flex;
justify-content: space-between;
按预期工作，但菜单全部打开..
FIDDLE： https://codepen.io/anon/pen/JpBrRp
我的代码：
<div class="menu-container">
<div class="menu">
<nav class="navbar-toggleable-md">
<div id="toggle" class="navbar-toggler"><a></a>
</div>
</nav>
<ul id="my_styles" class="rowcenter" >
<li>
<ul>
<li>
<a href="#">menu</a>
<ul>
<li><a href=...</a>x</li>
<li><a href=..</a>z</li>
</ul>
</li>
</ul>
</li>
.css：
.menu-container {
width: 100%;
margin: 0 auto;
}
.menu {
> ul {
margin: 0 auto;
width: 100%;
list-style: none;
padding: 0;
position: relative;
//position: relative;
/* IF .menu position=relative -> ul = container width, ELSE ul = 100% width */
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
&:before,
&:after {
content: "";
display: table;
}
&:after {
clear: both;
}
> li {
float: left;
padding: 0px;
margin: 0px;
a {
text-decoration: none;
padding: 1.5em 2.1em;
display: block;
}
&:hover {
}
> ul {
display: none;
justify-content: center;
align-self: center;
width: 100%;
background: #3a3f48;
padding: 20px;
position: absolute;
z-index: 1001;
left: 0;
margin: 0;
list-style: none;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
&:before,
&:after {
content: "";
display: table;
}
&:after {
clear: both;
}
> li {
margin: 0;
padding-bottom: 0;
list-style: none;
width: 25%;
background: none;
float: left;
a {
color: #ffffff;
padding: .2em 0;
width: 95%;
display: block;
border-bottom: 1px solid #ccc;
}
> ul {
display: block;
padding: 0;
margin: 10px 0 0;
list-style: none;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
&:before,
&:after {
content: "";
display: table;
}
&:after {
clear: both;
}
> li {
float: left;
width: 100%;
padding: 10px 0;
margin: 0;
font-size: .8em;
a {
border: 0;
}
}
}
}
&.normal-sub {
width: 300px;
left: auto;
padding: 10px 20px;
> li {
width: 100%;
a {
border: 0;
padding: 1em 0;
}
}
}
}
}
}
}
/* ––––––––––––––––––––––––––––––––––––––––––––––––––
Mobile style's
–––––––––––––––––––––––––––––––––––––––––––––––––– */
@media only screen and (max-width: 959px) {
.menu-container {
width: 100%;
}
.menu-mobile {
display: block;
}
.menu-dropdown-icon {
&:before {
//display: block;
}
}
.menu {
> ul {
display: none;
> li {
width: 100%;
float: none;
display: block;
a {
padding: 1.5em;
display: block;
}
> ul {
position: relative;
&.normal-sub {
width: 100%;
}
> li {
float: none;
width: 100%;
margin-top: 20px;
&:first-child {
margin: 0;
}
> ul {
position: relative;
> li {
float: none;
}
}
}
}
}
}
.show-on-mobile {
display: block;
}
}
}
JS：
/* global $ - Mega menu ***********/
$(document).ready(function() {
"use strict";
$('.menu > ul > li:has(ul)').addClass('menu-dropdown-icon');
//Checks if li has sub (ul) and adds class for toggle icon - just an UI
$('.menu > ul > li > ul:not(:has(ul))').addClass('normal-sub');
//Checks if drodown menu's li elements have anothere level (ul), if not the dropdown is shown as regular dropdown, not a mega menu (thanks Luka Kladaric)
$(".menu > nav > div > a").before("<a href=\"#\" class=\"menu-mobile\"><img width='34px' height='34px' src=\"/assets/images/Menu_icons/hmb.png\"></a>");
//Adds menu-mobile class (for mobile toggle menu) before the normal menu
//Mobile menu is hidden if width is more then 959px, but normal menu is displayed
//Normal menu is hidden if width is below 959px, and jquery adds mobile menu
//Done this way so it can be used with wordpress without any trouble
$(".menu > ul > li").hover(function(e) {
if ($(window).width() > 943) {
$(this).children("ul").stop(true, false).fadeToggle(150);
e.preventDefault();
}
});
//If width is more than 943px dropdowns are displayed on hover
$(".menu > ul > li").click(function() {
if ($(window).width() <= 943) {
$(this).children("ul").fadeToggle(150);
}
});
//If width is less or equal to 943px dropdowns are displayed on click (thanks Aman Jain from stackoverflow)
$(".menu-mobile").click(function(e) {
$(".menu > ul").toggleClass('show-on-mobile');
e.preventDefault();
});
//when clicked on mobile-menu, normal menu is shown as a list, classic rwd menu story (thanks mwl from stackoverflow)
});
【问题讨论】：
-
你能提供一个完整的例子来说明你不工作的代码吗？ html 丢失了，如果我把你的东西放在一起，这就是我得到的：codepen.io/anon/pen/gvKJVP
-
这里有一段实际代码，带有： display: flex; justify-content: 之间的空格；小提琴：codepen.io/anon/pen/JpBrRp
标签： javascript jquery css angularjs megamenu