用powershell得知MAC位址

 1.Get-NetAdapter | Select-Object -Property Name, MacAddress

列出所有網卡的MAC位址

2.Get-NetAdapter -InterfaceAlias "乙太網路" | Select-Object -Property MacAddress

   Get-NetAdapter -InterfaceAlias "Wi-Fi" | Select-Object -Property MacAddres

列出對單一網卡的MAC位址