根据ARP协议来获取局域网内的活动主机的物理地址，这个软件主要有4个步骤：获取设备列表，获取本机的IP和MAC地址，发送ARP数据包，监听并且分析ARP回应包-According to the LAN ARP protocol to obtain the physical address of the host of activities, this software has four steps: Get the device list, access to the machine' s