Bootstrap3、如何制作带有品牌形象和两行链接的导航栏?
Bootstrap 3, how to create a navbar with a brand image and two rows of links?
我不明白如何用 bootstrap 编写此导航代码:
如您所见,它由左侧的品牌图片、一些 space 以及应适合品牌长度和 window 宽度的两行组成。
我这样做了,但效果不佳。当我调整 window 大小时,导航有时会离开 window。
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<nav class="navbar navbar-default">
<div class="container-fluid" id="nav">
<div class="row">
<div class="navbar-header"> <a href="#"><img src="~/Images/logo.png" class="logo" width="308" height="130" alt="" style="float:left; margin-left:20px;margin-right:100px;"></a> </div>
<ul class="nav navbar-nav">
<li class="active">Link</li>
<li>Link</li>
<li>Link</li>
<li>Link</li>
</ul>
<ul class="nav navbar-nav">
<li>Link</li>
<li>Link</li>
<li>Link</li>
<li>Link</li>
</ul>
</div>
</div>
</nav>
让我们从 Bootstrap 文档中的 Default navbar 开始。
- 将品牌形象变成一个简单的非浮动块。
- 只在右侧留空space。
- 将所有菜单项合并为一个
<ul></ul>
,但使它们更高。
- 强制第 5 个元素开始新行。
清空一颗心,打开一颗心。所有项目都是左浮动的,所以 clear: left;
就足够了。
@import url('https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css');
.navbar-brand {
display: block; /* 1. */
float: none;
height: auto;
margin: 0 !important; /* 2. */
padding: 0 20px 0 0;
}
@media (min-width: 768px) {
.navbar-nav>li>a { /* 3. */
line-height: 21px;
padding-top: 22px;
padding-bottom: 22px;
}
.clear-left { /* 4. */
clear: left;
}
}
<nav class="navbar navbar-default">
<div class="container">
<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="#"><img src="//placehold.it/308x130/c69/f9c/?text=Brand" alt=""></a>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Link 1</a></li>
<li><a href="#">Link 2</a></li>
<li><a href="#">Link 3</a></li>
<li><a href="#">Link 4</a></li>
<li class="clear-left"><a href="#">Link 5</a></li>
<li><a href="#">Link 6</a></li>
<li><a href="#">Link 7</a></li>
<li><a href="#">Link 8</a></li>
</ul>
</div>
</div>
</nav>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
在上面的HTML文件中,修改<ul class="nav navbar-nav">
为
<ul class="nav navbar-nav pull-right">
你已经把它放在右边了。
您可以为此使用 CSS Flexbox。这也将帮助您解决所有垂直和水平 centering/spacing 问题。
看看这个Codepen。
或查看下面的代码片段(在预览时使用全屏查看桌面视图):
@import url('https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css');
.navbar-content-holder {
display: flex;
align-items: center;
}
.navbar-collapse {
flex: 1;
}
.custom-nav-links {
display: flex;
flex-direction: column;
}
@media screen and (max-width: 767px) {
.navbar-header {
flex: 1;
}
.navbar-collapse {
position: absolute;
top: 50px;
left: 0;
width: 100%;
padding: 0 30px;
background: #F8F8F8;
}
}
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-content-holder">
<!-- 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">
<div class="navbar-right custom-nav-links">
<ul class="nav navbar-nav">
<li><a href="#">Link</a></li>
<li><a href="#">Link</a></li>
<li><a href="#">Link</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</li>
</ul>
<ul class="nav navbar-nav">
<li><a href="#">Link</a></li>
<li><a href="#">Link</a></li>
<li><a href="#">Link</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</li>
</ul>
</div>
</div><!-- /.navbar-collapse -->
</div><!-- /.navbar-content-holder -->
</div><!-- /.container-fluid -->
</nav>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
希望对您有所帮助!
我不明白如何用 bootstrap 编写此导航代码:
如您所见,它由左侧的品牌图片、一些 space 以及应适合品牌长度和 window 宽度的两行组成。
我这样做了,但效果不佳。当我调整 window 大小时,导航有时会离开 window。
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<nav class="navbar navbar-default">
<div class="container-fluid" id="nav">
<div class="row">
<div class="navbar-header"> <a href="#"><img src="~/Images/logo.png" class="logo" width="308" height="130" alt="" style="float:left; margin-left:20px;margin-right:100px;"></a> </div>
<ul class="nav navbar-nav">
<li class="active">Link</li>
<li>Link</li>
<li>Link</li>
<li>Link</li>
</ul>
<ul class="nav navbar-nav">
<li>Link</li>
<li>Link</li>
<li>Link</li>
<li>Link</li>
</ul>
</div>
</div>
</nav>
让我们从 Bootstrap 文档中的 Default navbar 开始。
- 将品牌形象变成一个简单的非浮动块。
- 只在右侧留空space。
- 将所有菜单项合并为一个
<ul></ul>
,但使它们更高。 - 强制第 5 个元素开始新行。
清空一颗心,打开一颗心。所有项目都是左浮动的,所以clear: left;
就足够了。
@import url('https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css');
.navbar-brand {
display: block; /* 1. */
float: none;
height: auto;
margin: 0 !important; /* 2. */
padding: 0 20px 0 0;
}
@media (min-width: 768px) {
.navbar-nav>li>a { /* 3. */
line-height: 21px;
padding-top: 22px;
padding-bottom: 22px;
}
.clear-left { /* 4. */
clear: left;
}
}
<nav class="navbar navbar-default">
<div class="container">
<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="#"><img src="//placehold.it/308x130/c69/f9c/?text=Brand" alt=""></a>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Link 1</a></li>
<li><a href="#">Link 2</a></li>
<li><a href="#">Link 3</a></li>
<li><a href="#">Link 4</a></li>
<li class="clear-left"><a href="#">Link 5</a></li>
<li><a href="#">Link 6</a></li>
<li><a href="#">Link 7</a></li>
<li><a href="#">Link 8</a></li>
</ul>
</div>
</div>
</nav>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
在上面的HTML文件中,修改<ul class="nav navbar-nav">
为
<ul class="nav navbar-nav pull-right">
你已经把它放在右边了。
您可以为此使用 CSS Flexbox。这也将帮助您解决所有垂直和水平 centering/spacing 问题。
看看这个Codepen。
或查看下面的代码片段(在预览时使用全屏查看桌面视图):
@import url('https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css');
.navbar-content-holder {
display: flex;
align-items: center;
}
.navbar-collapse {
flex: 1;
}
.custom-nav-links {
display: flex;
flex-direction: column;
}
@media screen and (max-width: 767px) {
.navbar-header {
flex: 1;
}
.navbar-collapse {
position: absolute;
top: 50px;
left: 0;
width: 100%;
padding: 0 30px;
background: #F8F8F8;
}
}
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-content-holder">
<!-- 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">
<div class="navbar-right custom-nav-links">
<ul class="nav navbar-nav">
<li><a href="#">Link</a></li>
<li><a href="#">Link</a></li>
<li><a href="#">Link</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</li>
</ul>
<ul class="nav navbar-nav">
<li><a href="#">Link</a></li>
<li><a href="#">Link</a></li>
<li><a href="#">Link</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</li>
</ul>
</div>
</div><!-- /.navbar-collapse -->
</div><!-- /.navbar-content-holder -->
</div><!-- /.container-fluid -->
</nav>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
希望对您有所帮助!