# encoding: utf-8
import requests

# 检查是否连接入校园网
def checkinternet():
  url = 'xxxxxxxxxxxxxxxxxxxxxx' #校园网登录的地址，用来测试是否连接校园网 
  try:
    code = requests.get(url, timeout=5).status_code
    if code != 200:
      print('没有网络哦~')
      return 0
    elif code == 200:
      return 1
    else:
      return 2
  except:
    return 2


def login(username, password):
  url = 'xxxxxxxxxxxxxxxxxx' # 校园网表单提交url
  postdata={
    'action': 'login',
    'ac_id': 1,
    'user_ip':'',
    'nas_ip':'',
    'user_mac':'',
    'username': username,
    'password': password,
    'save_me': '0',
    'ajax': 1
  }
  res = requests.post(url, data=postdata)
  res.encoding = res.apparent_encoding
  res = res.text
  if 'login ok' in res: # 如果存在该字段
    res = "登录成功！"
    return res
  if '5分钟' in res: # 多次错误提交可能会导致账户锁定5分钟
    print("登录失败：")
    return res
  if 'E2620' in res:  # 此处是账号已经在别的设备登录的情况，先注销然后再次登录
    logout(url, username, password)
    return login(username, password)
  return res

# 退出当前账号的登录
def logout(url, username, password):
  logout_data = {
    'action': 'logout',
    'username': username,
    'password': password,
    'ajax': 1
  }
  res1 = requests.post(url, data=logout_data)
  res1.encoding = res1.apparent_encoding
  res1 = res1.text
  print("账户已退出！")


if __name__ == '__main__':
  status = checkinternet()
  if status == 0:
    txt = login(xxxxx, xxxxxxxx) # 输入账号密码
    print(txt)
  elif status == 1:
    print("有网络！")
    txt = login(xxxxxxx, xxxxxxx)
    print(txt)
  else:
    print("未知结果！")

pip install pyinstaller

pyinstaller -F 文件名.py