This project forked from super456/dropdownboxfilter
微信小程序之下拉菜单的三级筛选框
下拉菜单很常见，网上也有很多例子，自己也根据网上的资料，仿写了一个。感谢作者小小小是我提供了资料，在此做了二次开发，也分享一下。因为自己最近也需要写个小程序的下拉框的三级菜单筛选，分享给有需要的人哈。
1、原作者资料的实现效果：点击跳转微信小程序仿闲鱼『下拉菜单』
2、自己二次开发实现效果：
实现的代码也并不复杂，主要是控制各个容器的显示和隐藏效果以及数组对象选中时激活判断的样式，不过也存在一些小小的样式问题，如果你使用的话会发现的哈。自己也是简单的写了一下，没有花过多的时间在样式上挣扎，哈哈哈。
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