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一般父节点获得子节点的设备信息（如MAC地址、网络地址、工作信道等）一般是利用函数在子节点获得，然后再发给父节点接收显示，那么父节点可以直接获得子节点的设备信息吗，利用哪些函数呢？跪求······
好像目前没有这样的API，一般都是子节点发送给父节点的
好的，谢谢
