Bootstrap 下拉菜单（Dropdowns）

本章将重点介绍 Bootstrap 下拉菜单。下拉菜单是可切换的，是以列表格式显示链接的上下文菜单。这可以通过与 下拉菜单（Dropdown） JavaScript 插件 的互动来实现。

龙口网站建设公司创新互联建站,龙口网站设计制作，有大型网站制作公司丰富经验。已为龙口近1000家提供企业网站建设服务。企业网站搭建\外贸网站建设要多少钱，请找那个售后服务好的龙口做网站的公司定做！

如需使用下拉菜单，只需要在 class .dropdown 内加上下拉菜单即可。下面的实例演示了基本的下拉菜单：

实例

<
div

class
=
"
dropdown
"
>

<
button

type
=
"
button
"

class
=
"
btn dropdown-toggle
"

id
=
"
dropdownMenu1
"

data-toggle
=
"
dropdown
"
>
主题
<
span

class
=
"
caret
"
>
span
>

button
>

<
ul

class
=
"
dropdown-menu
"

role
=
"
menu
"

aria-labelledby
=
"
dropdownMenu1
"
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
Java
a
>

li
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
数据挖掘
a
>

li
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
数据通信/网络
a
>

li
>

<
li

role
=
"
presentation
"

class
=
"
divider
"
>
li
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
分离的链接
a
>

li
>

ul
>

div
>

尝试一下 »

结果如下所示：

选项

对齐

通过向 .dropdown-menu 添加 class .pull-right 来向右对齐下拉菜单。下面的实例演示了这点：

实例

<
div

class
=
"
dropdown
"
>

<
button

type
=
"
button
"

class
=
"
btn dropdown-toggle
"

id
=
"
dropdownMenu1
"

data-toggle
=
"
dropdown
"
>
主题
<
span

class
=
"
caret
"
>
span
>

button
>

<
ul

class
=
"
dropdown-menu pull-right
"

role
=
"
menu
"

aria-labelledby
=
"
dropdownMenu1
"
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
Java
a
>

li
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
数据挖掘
a
>

li
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
数据通信/网络
a
>

li
>

<
li

role
=
"
presentation
"

class
=
"
divider
"
>
li
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
分离的链接
a
>

li
>

ul
>

div
>

尝试一下 »

结果如下所示：

标题

您可以使用 class dropdown-header 向下拉菜单的标签区域添加标题。下面的实例演示了这点：

实例

<
div

class
=
"
dropdown
"
>

<
button

type
=
"
button
"

class
=
"
btn dropdown-toggle
"

id
=
"
dropdownMenu1
"

data-toggle
=
"
dropdown
"
>
主题
<
span

class
=
"
caret
"
>
span
>

button
>

<
ul

class
=
"
dropdown-menu
"

role
=
"
menu
"

aria-labelledby
=
"
dropdownMenu1
"
>

<
li

role
=
"
presentation
"

class
=
"
dropdown-header
"
>
下拉菜单标题
li
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
Java
a
>

li
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
数据挖掘
a
>

li
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
数据通信/网络
a
>

li
>

<
li

role
=
"
presentation
"

class
=
"
divider
"
>
li
>

<
li

role
=
"
presentation
"

class
=
"
dropdown-header
"
>
下拉菜单标题
li
>

<
li

role
=
"
presentation
"
>

<
a

role
=
"
menuitem
"

tabindex
=
"
-1
"

href
=
"
#
"
>
分离的链接
a
>

li
>

ul
>

div
>

尝试一下 »

结果如下所示：

更多实例

名称栏目：创新互联Bootstrap教程：Bootstrap下拉菜单（Dropdowns）
网页网址：http://www.csdahua.cn/qtweb/news42/235092.html

成都网站优化推广公司_创新互联，为您提供自适应网站、外贸网站建设、域名注册、企业建站、网站导航、外贸建站

广告

声明：本网站发布的内容（图片、视频和文字）以用户投稿、用户转载内容为主，如果涉及侵权请尽快告知，我们将会在第一时间删除。文章观点不代表本网站立场，如需处理请联系客服。电话：028-86922220；邮箱：631063699@qq.com。内容未经允许不得转载，或转载时需注明来源： 快上网