查看电脑已连接过的账号密码

1. 查看正在连接的密码
   
   WLAN上右键> 状态
   
2. 查看一连接的账号密码
   dos下执行
   查看连接过的wifi名称

netsh wlan show profiles

查看该账号密码

netsh wlan show profile name=wifi名称 key=clear

3. python代码获取wifi账号、密码

应用于win系统
本人win10，并没有在其他电脑测试过

# !/usr/bin/env/python
# _*_coding:utf-8_*_
# Data:2019-07-03
# Auther:苏莫
# Link:QQ2388873062
# PythonVersion:python2.7
# filename:get_win_wifi_pwd.py

__author__ = u'苏莫'
__date__ = '$2019-07-03$'

import os
import sys
import msvcrt

reload(sys)
sys.setdefaultencoding('utf-8')

"""
读取win系统已连接过的wifi密码
"""

# 获取连接过的wifi名称
cat_wifi = "netsh wlan show profiles"
# 该wifi的相应密码
cat_pwd = "netsh wlan show profile name=[] key=clear"

# 获取wifi列表
def get_wifi_lis():
	global cat_wifi
	wifi_lists = []
	all_msg = os.popen(cat_wifi)
	for tmp in all_msg.readlines():
		if ":" in tmp:
			mid_tmp = tmp.split(":")
			if mid_tmp[1].strip() != '':
				wifi_lists.append(mid_tmp[1].strip())
				# print mid_tmp
	return wifi_lists

# wifi及对应密码
def get_wifi_pwd(wifi_lists):
	global cat_pwd
	wifi_pwd = {}
	for line_wifi in wifi_lists:
		shell = cat_pwd.replace("[]", line_wifi)
		all_msg = os.popen(shell)
		pwd = ''
		for tmp in all_msg.readlines():
			if "\xb9\xd8\xbc\xfc\xc4\xda\xc8\xdd" in tmp:
				pwd = tmp.split(":")[1].strip()
				# print pwd
		wifi_pwd[line_wifi] = pwd

	return wifi_pwd

# 打印输出
def print_msg(wifi_msg):
	print "name\t\tkey"
	print "-"*40
	for i,j in wifi_msg.items():
		print i,
		print "\t",
		print j
	print "-"*40

# 保存文件
def write_msg(wifi_msg):
	with open("wifi_pwd.txt",'w') as f:
		f.write('name\t\tkey'+os.linesep)
		f.write("-"*40+os.linesep)
		for i,j in wifi_msg.items():
			f.write(i+"\t"+j+os.linesep)

	print u"保存完成！！！"

# 主函数
def main():
	been_wifi = get_wifi_lis()
	wifi_msg = get_wifi_pwd(been_wifi)
	print_msg(wifi_msg)
	write_msg(wifi_msg)
	print "-"*40
	print u'输入任意键退出...'
	msvcrt.getch()

if __name__ == '__main__':
	main()

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