查看本机已连接的wifi密码 golang实现

效果

package main

import (
	"fmt"
	"golang.org/x/text/encoding/simplifiedchinese"
	"os/exec"
	"strings"
)
type Charset string

const (
	UTF8    = Charset("UTF-8")
	GB18030 = Charset("GB18030")
)

func main() {
	defer func() {
		err := recover()
		if err!=nil {
			fmt.Println(err)
		}
	}()

	fmt.Println("正在查询wlan")
	command := exec.Command("cmd","/C", "netsh wlan show profile")
	output, err := command.Output()
	if err != nil {
		fmt.Println("执行失败")
	}
	byte2String := ConvertByte2String(output, "GB18030")
	any := strings.Index(byte2String, "所有用户配置文件")
	s := byte2String[any:]
	s = strings.TrimSpace(s)
	split := strings.Split(s, "\n")
	var list [20]string
	flag:=true
	for flag {
		for i, s2 := range split {
			space := strings.TrimSpace(s2)
			s3 := strings.TrimSpace(strings.Split(space, ":")[1])
			fmt.Println(i," ",s3)
			list[i]=s3
		}
		var idx int
		fmt.Println("请输入你想查询的wifi编号: ")
		fmt.Scanln(&idx)
		fmt.Println("正在查询请稍候... ")
		cmd:="netsh wlan show profile name="+list[idx]+" key=clear"
		c := exec.Command("cmd", "/C", cmd)
		out, err := c.Output()
		if err != nil {
			fmt.Println("查询失败")
		}
		str := ConvertByte2String(out,"GB18030")
		contains := strings.Contains(str, "关键内容")
		if !contains {
			fmt.Println("密码不存在,请选择其它wifi查询")
			continue
		}
		index := strings.Index(str, "关键内容")
		str = str[index:]
		str = strings.Split(str, "\n")[0]
		str = strings.Split(str, ": ")[1]
		fmt.Println()
		fmt.Println("***密码为: ",str)
		fmt.Println()
		fmt.Println("是否退出? 1:退出 2:继续查询")
		var exitFlag int
		fmt.Scanln(&exitFlag)
		if exitFlag == 1 {
			flag = false
			continue
		}
		flag = true
	}
}

//字节转str
func ConvertByte2String(byte []byte, charset Charset) string {
	var str string
	switch charset {
	case GB18030:
		var decodeBytes,_=simplifiedchinese.GB18030.NewDecoder().Bytes(byte)
		str= string(decodeBytes)
	case UTF8:
		fallthrough
	default:
		str = string(byte)
	}
	return str
}

• win+R cmd
• netsh wlan show profile
• netsh wlan show profile name=wifi名称 key=clear