Bootstrap4 导航
如果你想创建一个简单的水平导航栏,可以在
<ul>
元素上添加
.nav
类,在每个
<li>
选项上添加
.nav-item
类,在每个链接上添加
.nav-link
类:
实例
<
ul
class
=
"
nav
"
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
href
=
"
#
"
>
Link
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
href
=
"
#
"
>
Link
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
href
=
"
#
"
>
Link
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link disabled
"
href
=
"
#
"
>
Disabled
</
a
>
</
li
>
</
ul
>
尝试一下 »
导航对齐方式
.justify-content-center
类设置导航居中显示,
.justify-content-end
类设置导航右对齐。
实例
<
ul
class
=
"
nav justify-content-center
"
>
<
ul
class
=
"
nav justify-content-end
"
>
</
div
>
尝试一下 »
垂直导航
.flex-column
类用于创建垂直导航:
实例
<
ul
class
=
"
nav flex-column
"
>
尝试一下 »
选项卡
使用
.nav-tabs
类可以将导航转化为选项卡。然后对于选中的选项使用 .active 类来标记。
实例
<
ul
class
=
"
nav nav-tabs
"
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link active
"
href
=
"
#
"
>
Active
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
href
=
"
#
"
>
Link
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
href
=
"
#
"
>
Link
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link disabled
"
href
=
"
#
"
>
Disabled
</
a
>
</
li
>
</
ul
>
尝试一下 »
胶囊导航
.nav-pills
类可以将导航项设置成胶囊形状。
实例
<
ul
class
=
"
nav nav-pills
"
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link active
"
href
=
"
#
"
>
Active
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
href
=
"
#
"
>
Link
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
href
=
"
#
"
>
Link
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link disabled
"
href
=
"
#
"
>
Disabled
</
a
>
</
li
>
</
ul
>
尝试一下 »
导航等宽
.nav-justified
类可以设置导航项齐行等宽显示。
实例
<
ul
class
=
"
nav nav-pills nav-justified
"
>
..
</
ul
>
<
ul
class
=
"
nav nav-tabs nav-justified
"
>
..
</
ul
>
尝试一下 »
胶囊下拉菜单
实例
<
ul
class
=
"
nav nav-pills
"
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link active
"
href
=
"
#
"
>
Active
</
a
>
</
li
>
<
li
class
=
"
nav-item dropdown
"
>
<
a
class
=
"
nav-link dropdown-toggle
"
data-toggle
=
"
dropdown
"
href
=
"
#
"
>
Dropdown
</
a
>
<
div
class
=
"
dropdown-menu
"
>
<
a
class
=
"
dropdown-item
"
href
=
"
#
"
>
Link 1
</
a
>
<
a
class
=
"
dropdown-item
"
href
=
"
#
"
>
Link 2
</
a
>
<
a
class
=
"
dropdown-item
"
href
=
"
#
"
>
Link 3
</
a
>
</
div
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
href
=
"
#
"
>
Link
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link disabled
"
href
=
"
#
"
>
Disabled
</
a
>
</
li
>
</
ul
>
尝试一下 »
选项卡下拉菜单
实例
<
ul
class
=
"
nav nav-tabs
"
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link active
"
href
=
"
#
"
>
Active
</
a
>
</
li
>
<
li
class
=
"
nav-item dropdown
"
>
<
a
class
=
"
nav-link dropdown-toggle
"
data-toggle
=
"
dropdown
"
href
=
"
#
"
>
Dropdown
</
a
>
<
div
class
=
"
dropdown-menu
"
>
<
a
class
=
"
dropdown-item
"
href
=
"
#
"
>
Link 1
</
a
>
<
a
class
=
"
dropdown-item
"
href
=
"
#
"
>
Link 2
</
a
>
<
a
class
=
"
dropdown-item
"
href
=
"
#
"
>
Link 3
</
a
>
</
div
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
href
=
"
#
"
>
Link
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link disabled
"
href
=
"
#
"
>
Disabled
</
a
>
</
li
>
</
ul
>
尝试一下 »
动态选项卡
如果你要设置选项卡是动态可切换的,可以在每个链接上添加
data-toggle="tab"
属性。
然后在每个选项对应的内容的上添加
.tab-pane
类,对应选项卡内容的
<div>
元素使用
.tab-content
类 。。
如果你希望有淡入效果可以在
.tab-pane
后添加
.fade
类:
实例
<
ul
class
=
"
nav nav-tabs
"
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link active
"
data-toggle
=
"
tab
"
href
=
"
#home
"
>
Home
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
data-toggle
=
"
tab
"
href
=
"
#menu1
"
>
Menu 1
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
data-toggle
=
"
tab
"
href
=
"
#menu2
"
>
Menu 2
</
a
>
</
li
>
</
ul
>
<
div
class
=
"
tab-content
"
>
<
div
class
=
"
tab-pane active container
"
id
=
"
home
"
>
...
</
div
>
<
div
class
=
"
tab-pane container
"
id
=
"
menu1
"
>
...
</
div
>
<
div
class
=
"
tab-pane container
"
id
=
"
menu2
"
>
...
</
div
>
</
div
>
尝试一下 »
胶囊状动态选项卡
胶囊状动态选项卡只需要将以上实例的代码中 data-toggle
属性设置为
data-toggle="pill"
:
实例
<
ul
class
=
"
nav nav-pills
"
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link active
"
data-toggle
=
"
pill
"
href
=
"
#home
"
>
Home
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
data-toggle
=
"
pill
"
href
=
"
#menu1
"
>
Menu 1
</
a
>
</
li
>
<
li
class
=
"
nav-item
"
>
<
a
class
=
"
nav-link
"
data-toggle
=
"
pill
"
href
=
"
#menu2
"
>
Menu 2
</
a
>
</
li
>
</
ul
>
<
div
class
=
"
tab-content
"
>
<
div
class
=
"
tab-pane active container
"
id
=
"
home
"
>
...
</
div
>
<
div
class
=
"
tab-pane container
"
id
=
"
menu1
"
>
...
</
div
>
<
div
class
=
"
tab-pane container
"
id
=
"
menu2
"
>
...
</
div
>
</
div
>
尝试一下 »