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我使用Navbar切換在移動設備上顯示組菜單,但它不工作!問題是什麼?以下是我的代碼和JsFiddle。 其實當我給類navbar-toggle
按鈕disapear!Bootstrap- Navbar切換不顯示
HTML:
<nav class="navbar" role="navigation">
<div class="navbar-header">
<button class="navbar-toggle" data-toggle="collapse" data-target="#menu">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<ul class="nav navbar-right navbar-nav navbar-collapse collapsed" id="menu">
<li class="active" id="home"><a href="#">Home</a></li>
<li><a href="#">Services</a></li>
<li><a href="#">About</a></li>
<li><a href="#">Tel</a></li>
</ul>
<img id="logo" src="images/logo.png" class="img-responsive">
</nav>
CSS:
.navbar{
display: flex;
justify-content: space-between;
align-items: center;
border-bottom: 1px solid #f7f7f7;
box-shadow: 0 4px 2px -2px #dedede;
}
.navbar-nav > li:first-child > a{
background-color: #01a89e;
color: white;
}
.navbar-nav > li:first-child a:hover, .navbar-nav > li:first-child a:active {
background-color: #01a89e;
}
.navbar-nav li a:hover{
background-color: #dedede;
}
.navbar-nav{
margin-top: -1px;
}
.navbar-nav li:not(:first-child){
border-left: 1px solid #dedede;
margin-bottom: -3px;
}
.navbar-nav li:hover{
/*border: none;*/
}
.navbar-nav li a{
color: #606060;
padding-top: 20px;
padding-bottom: 20px;
margin-bottom: -3px;
}
#logo{
width: 120px;
}
navbar-default缺少nav元素上的類元素,添加該元素會顯示按鈕並切換,您也可以覆蓋默認顏色,檢出 [JSFiddle](https://jsfiddle.net/06odccmc/2/) –
@JackRyder非常感謝,但默認情況下,在手機大小菜單沒有摺疊,但我給'ul'標籤''collapsed'類。我該如何解決這個問題? – soheil
嘗試[this](https://jsfiddle.net/06odccmc/3/),我把ul放到div中,然後給容器添加了「navbar-collapse collapse」類,默認情況下它會保持摺疊狀態 –