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bootstrap3.3.4该如何实现一个二级垂直下拉菜单？_html/css_WEB-ITnose

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Release： 2016-06-24 11:42:34
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 我想实现一个二级垂直下拉菜单，大概要如何实现：点击用户管理就弹出4个子菜单，再点一次就缩回去，文件管理也类似


回复讨论(解决方案)

下拉列表放在一个list里面，一开始display为none，这样不占地方，当点击用户管理时解发函数把display改为block就行了

下拉列表放在一个list里面，一开始display为none，这样不占地方，当点击用户管理时解发函数把display改为block就行了



我用了网上的源码算是出来了一个  可是二级菜单里面的文字居中不了

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bootstrap3.3.4该如何实现一个二级垂直下拉菜单？
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