Go获取Windows的网卡ＩＯ.

package main

import (
	"fmt"
	"github.com/axgle/mahonia"
	"github.com/shirou/gopsutil/net"
	nnet "net"
	"os"
	"os/exec"
	"strings"
	"time"
)

var debug string

func main() {
	if len(os.Args) != 3 && len(os.Args) != 4 {
		fmt.Println("Args error ...")
		return
	}
	R_name := strings.ToUpper(os.Args[1])
	I_name := strings.ToUpper(os.Args[2])
	if len(os.Args) == 4 {
		debug = os.Args[3]
	}
	var addr string
	lis, _ := nnet.Interfaces()
	for _, v := range lis {
		if strings.ToUpper(v.Name) == R_name {
			addr = v.HardwareAddr.String()
		}
		if debug == "true" {
			fmt.Println(v)
		}
	}
	if len(addr) == 0 {
		addr = cmd_get_mac(R_name)
		if len(addr) < 2 {
			return
		}
	}
	var num []uint64 = make([]uint64, 2)
	for i := 0; i < 2; i++ {
		Netio, err := net.NetIOCounters(true)
		if err != nil {
			fmt.Println(err)
			return
		}
		for _, v := range Netio {
			if debug == "true" {
				fmt.Printf("HardWare Addr :%s\n%s\n", addr, nnet.HardwareAddr(v.Addr[:8]).String())
				fmt.Println(v)
			}
			if strings.Contains(nnet.HardwareAddr(v.Addr[:8]).String(), addr) {
				switch I_name {
				case "IN":
					num[i] = v.BytesRecv
				case "OUT":
					num[i] = v.BytesSent
				}
			}
		}
		if i == 1 {
			break
		}
		time.Sleep(5e9)
	}
	if debug == "true" {
		fmt.Println(num)
	}
	fmt.Print((num[1] - num[0]) / 5.00)
}

func cmd_get_mac(name string) string {
	cmd := exec.Command("getmac", "/FO", "csv", "/v", "/NH")
	buf, err := cmd.Output()
	if err != nil {
		if debug == "true" {
			fmt.Println(err)
		}
		return ""
	}
	s := mahonia.NewDecoder("gb18030").ConvertString(string(buf))
	for _, v := range strings.Split(s, "\n") {
		if strings.Contains(v, name) {
			hwaddr, err := nnet.ParseMAC(split(v))
			if err != nil && debug == "true" {
				fmt.Println(err)
				continue
			}
			return hwaddr.String()
		}
	}
	return ""
}

func split(s string) string {
	lis := strings.Split(s, ",")
	if len(lis) < 3 {
		return ""
	}
	return strings.Trim(lis[2], `"`)
}

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