我想有我的引导菜单自动下拉悬停,而不是必须点击菜单标题。我还想去掉菜单标题旁边的小箭头。
当前回答
我是这样做的:
$('ul.nav li.dropdown').hover(function(){
$(this).children('ul.dropdown-menu').slideDown();
}, function(){
$(this).children('ul.dropdown-menu').slideUp();
});
我希望这能帮助到一些人……
其他回答
jQuery的解决方案是好的,但它将需要处理点击事件(移动或平板电脑)悬停将无法正常工作…也许可以做一些窗口重新大小检测?
安德烈斯·伊里奇的回答似乎很有效,但它应该被包装在一个媒体问题中:
@media (min-width: 980px) {
.dropdown-menu .sub-menu {
left: 100%;
position: absolute;
top: 0;
visibility: hidden;
margin-top: -1px;
}
.dropdown-menu li:hover .sub-menu {
visibility: visible;
}
.dropdown:hover .dropdown-menu {
display: block;
}
.nav-tabs .dropdown-menu, .nav-pills .dropdown-menu, .navbar .dropdown-menu {
margin-top: 0;
}
.navbar .sub-menu:before {
border-bottom: 7px solid transparent;
border-left: none;
border-right: 7px solid rgba(0, 0, 0, 0.2);
border-top: 7px solid transparent;
left: -7px;
top: 10px;
}
.navbar .sub-menu:after {
border-top: 6px solid transparent;
border-left: none;
border-right: 6px solid #fff;
border-bottom: 6px solid transparent;
left: 10px;
top: 11px;
left: -6px;
}
}
这是Bootstrap 3内置的。 只需将此添加到您的CSS:
.dropdown:hover .dropdown-menu {
display: block;
}
我希望这能有所帮助。查看链接https://jsfiddle.net/awb7gfb1/
<nav>
<div id="menubar" class=" collapse navbar-collapse row">
<ul id="dropdownNavbar" class="nav navbar-nav">
<li class="dropdown">
<button type="button" class="btn btn-primary dropbtn"><span class="glyphicon glyphicon-time"></span>
Time Card
<span class="caret"></span></button>
<div class="dropdown-content">
<a id="showTimeCard" href="#">My Time Card</a>
<a href="#">Sub Menu 2</a>
<a href="#">Sub Menu 3</a>
<a href="#">Sub Menu 4</a>
<a href="#">Sub Menu 5</a>
</div>
</li>
<li class="dropdown">
<button type="button" class="btn btn-primary dropbtn"><span class="glyphicon glyphicon-stats"></span>
Project
<span class="caret"></span></button>
<div class="dropdown-content">
<a href="#">Sub Menu 1</a>
<a href="#">Sub Menu 2</a>
<a href="#">Sub Menu 3</a>
</div>
</li>
<li class="dropdown">
<button type="button" class="btn btn-primary dropbtn"><span class="glyphicon glyphicon-user"></span>
HR Links
<span class="caret"></span></button>
<div class="dropdown-content">
<a href="#">Sub Menu 1</a>
<a href="#">Sub Menu 2</a>
</div>
</li>
<li class="dropdown">
<button type="button" class="btn btn-primary dropbtn">
<span class="glyphicon glyphicon-screenshot"></span>
Leave Tracker
<span class="caret"></span></button>
<div class="dropdown-content">
<a href="#">Sub Menu 1</a>
<a href="#">Sub Menu 2</a>
<a href="#">Sub Menu 3</a>
<a href="#">Sub Menu 4</a>
</div>
</li>
<li class="dropdown">
<button type="button" class="btn btn-primary dropbtn">
<span class="glyphicon glyphicon-briefcase"></span>
Accounts
<span class="caret"></span></button>
<div class="dropdown-content">
<a href="#">Sub Menu 1</a>
<a href="#">Sub Menu 2</a>
<a href="#">Sub Menu 3</a>
<a href="#">Sub Menu 4</a>
<a href="#">Sub Menu 5</a>
</div>
</li>
<li class="dropdown">
<button type="button" class="btn btn-primary dropbtn">
<span class="glyphicon glyphicon-headphones"></span>
Service Desk
<span class="caret"></span></button>
<div class="dropdown-content">
<a href="#">Sub Menu 1</a>
<a href="#">Sub Menu 2</a>
<a href="#">Sub Menu 3</a>
<a href="#">Sub Menu 4</a>
</div>
</li>
<li class="dropdown">
<button type="button" class="btn btn-primary dropbtn">
<span class="glyphicon glyphicon-file"></span>
Reports
<span class="caret"></span></button>
<div class="dropdown-content">
<a href="#">Sub Menu 1</a>
<a href="#">Sub Menu 2</a>
<a href="#">Sub Menu 3</a>
<a href="#">Sub Menu 4</a>
<a href="#">Sub Menu 5</a>
</div>
</li>
<li class="dropdown">
<button type="button" class="btn btn-primary dropbtn">
<span class="glyphicon glyphicon-cog"></span>
Settings
<span class="caret"></span></button>
<div class="dropdown-content">
<a href="#">Sub Menu 1</a>
<a href="#">Sub Menu 2</a>
<a href="#">Sub Menu 3</a>
</div>
</li>
</ul>
</div>
</nav>
还有CSS
.dropdown {
float: left;
padding-right: 1px;
}
.dropbtn{
border: 0px;
height: 30px;
border-radius: 0px 10px;
}
li button, .dropbtn {
display: inline-block;
color: white;
text-align: center;
}
li button:hover, .dropdown:hover .dropbtn {
background-color: #12A5F4;
}
.dropbtn.active {
background: #12A5F4;
}
.dropdown-content {
display: none;
position: absolute;
background-color: #e8f3f4;
min-width: 100%;
box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.1);
z-index: 10;
}
.navbar-header{
overflow: visible;
z-index: 1;
}
.dropdown-content a {
color: black;
padding: 5px 10px;
display: block;
text-align: left;
}
.dropdown-content a:hover {
background-color: #d8dee2
}
.dropdown:hover .dropdown-content {
display: block;
}
#menubar{
padding-top: 5px;
overflow: visible;
z-index: 10;
padding-left: 0px;
padding-right: 0px;
margin: 0px;
}
#dropdownNavbar{
margin: 0px;
}
.navbar-toggle{
background-color: #3382d5;
}
.navbar-toggle span{
background-color: white;
}
内联使用两个链接。用下拉按钮隐藏链接,并在可见链接上添加onmouseover事件以单击下拉菜单。
<a class="pretty-button"
href="#" alt="Notifications"
onmouseover="$('#notifications-dropdown').click()">
</a>
<a style="display:none"
id="notifications-dropdown"
class="js-nav js-tooltip js-dynamic-tooltip"
href="#"
alt="Notifications"
data-toggle="dropdown">
<span class="fa fa-flag fa-2x"></span>
</a>
这将隐藏下拉列表和它们的插入符号,如果它们比平板电脑小。
@media (max-width: 768px) {
.navbar ul.dropdown-menu, .navbar li.dropdown b.caret {
display: none;
}
}