package NetUtil

import (
	"fmt"
	"net"
)

/**
功能：获取服务器的第一个网卡MAC地址
作者：黄海
时间：2020-01-19
 */
func GetMacAddrs() (macAddrs []string) {
	netInterfaces, err := net.Interfaces()
	if err != nil {
		fmt.Printf("fail to get net interfaces: %v", err)
		return macAddrs
	}

	for _, netInterface := range netInterfaces {
		macAddr := netInterface.HardwareAddr.String()
		if len(macAddr) == 0 {
			continue
		}

		macAddrs = append(macAddrs, macAddr)
	}
	return macAddrs
}