我无法找到如何在我的bootstrap导航栏上动态更改class =“active”(下面的html代码)。我想知道在每个页面中重新键入所有<nav>...</nav>
代码是否更好,并在每个<li>
项目上单独键入class =“active”,或者创建单独的navbar.html文件并将其包含在每个文件的顶部,然后添加脚本或PHP代码来更改它? (我无法知道如何)。
总的来说,这两种方法中的哪一种更好?
代码:
<nav class="navbar navbar-inverse">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">Logo</a>
</div>
<div class="collapse navbar-collapse" id="myNavbar">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Home</a></li>
<li><a href="#">About</a></li>
<li><a href="#">Projects</a></li>
<li><a href="#">Contact</a></li>
</ul>
<ul class="nav navbar-nav navbar-right">
<li><a href="#"><span class="glyphicon glyphicon-log-in"></span> Login</a></li>
</ul>
</div>
</div>
</nav>
答案 0 :(得分:0)
动态更改课程
$('.navbar-nav li').click( function () {
$(this).siblings().removeClass('active');
$(this).addClass('active');
});
这个在我的jsp页面中使用jQuery为我工作,考虑到你的代码进行了更改
你可以试试这个
答案 1 :(得分:0)
PageOne.html
<body>
<header id="Include">
</header>
<section class="sectionOne">
<h1>This is Page one</h1>
</section>
</body>
PageTwo.html
<body>
<header id="Include">
</header>
<section class="sectionOne">
<h1>This is Page two</h1>
</section>
</body>
Header.html
<nav class="navbar navbar-default">
<div class="container-fluid">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">Brand</a>
</div>
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li class="active"><a href="index.html">page one</a></li>
<li><a href="pagetwo.html">page two</a></li>
</ul>
</div><!-- /.navbar-collapse -->
</div><!-- /.container-fluid -->
</nav>
App.js
$('#Include').load('header.html', function(){
var Murl = location.pathname;
//Murl gets the pathname from addressbar
var ActiveUrl = Murl.slice(1, Murl.length);
$('.navbar-nav li').removeClass('active');
//ThisURL gets all the href from navbar
var ThisURL = $('.navbar-nav li a').attr('href');
if(ThisURL = ActiveUrl){
$('.navbar-nav li a[href="'+ ThisURL +'"]').parent().addClass('active');
}
});
希望这可以解决您的问题。我只使用了jquery。
答案 2 :(得分:-1)
最好用脚本或php代码包含它。根据url后缀你可以编写脚本来改变li的活动