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React组件通信?

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React组件通信?

有这样一个组件数结构，如何实现当B执行某个方法之后，触发D中的某个方法\\(由B通知A，再由A层层往下调用不考虑\\)?或者说这个组件结构本身是否存在问题？image


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建议可以学一下Redux

也可以试试 React 16.3之后新出的API，
Provider 和 Consumer


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