自适应定位程序，当节点为beacon状态时，监听定位网络；当节点为listener状态时，负责进行定位计算，然后转化为beacon状态-Adaptive positioning procedure, when the node is beacon state, the monitor location network when the node state for the listener, responsible for position calculation, and then into

能够根据IP地址定位该用户的地点 ，是一个非常实用的好工具！-IP addresses according to the user' s location positioning