如何写一个多级关联下拉列表,如下图_html/css_WEB-ITnose

WBOY
Release: 2016-06-24 11:48:32
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如题,效果如下图


回复讨论(解决方案)

如题,赶紧来个人

这个效果的网上很多,你可以去找找,其实就是层级控制 那一层显示 那一层隐藏的问题。 找好选择器的关系,就好弄了

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