采用的方法是通过Windows 9x/NT/Win2000中内置的NetApi32.DLL的功能来实现的，首先通过发送NCBENUM命令获取网卡的数目和每个网卡的内部编号，然后对每个网卡标号发送NCBASTAT命令获取其MAC地址。-Approach is built through Windows 9x/NT/Win2000 NetApi32.DLL functions to achieve, first by sending NCBENUM command to get the card number and internal number for each card, and then label each card sent NCBASTAT command to get its MAC address.