cascader
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cascade select in one box
 全局引入样式文件后样式不生效,按照demo中的写法引入到局部文件中级联选择无法消失,还是选择使用了rc-tree-select
设置了fieldNames时,代码中直接取的value,会将loadingKeys设置成undefined,进而报错白屏了  应该要判断取设置的fiedNames中value对应的别名字段,如本例中的`code`
 
Is there any option to pass in order to have the height set to auto if there are only few options in 1 column?  Thanks
请问下 `CascaderProps` 里可以将 `popupAlign` 参数导出么,`rc-trigger` 已经支持了该参数,我这边希望覆写这个间距 
multiple mode like in [element-ui](https://element.eleme.io/#/en-US/component/cascader#multiple-selection)
React.cloneElement(...): The argument must be a React element, but you passed undefined.
现在有一个需求,因为一些原因,后台传过来数据的时候不知道此时的节点是枝节点还是叶节点。每次需要等待传回来的数据判断。这时候想要有一个回调,如果传回来的数据表示当前节点是叶节点,设置值为当前节点并且关闭浮层。
 如上图所示
option value as react key at present, but if i set value as a object, like `{value: {id: 123, type: 'childeNode'}}`, the warning > "Warning:Encountered two children with the same...