wlan auto login (CMCC)

wlan.py

import re, urllib2
from lxml.html import fromstring, tostring, parse, submit_form

data = urllib2.urlopen("http://www.baidu.com").read()
dom = fromstring(data)
form = dom.forms[0]
form.fields["username"] = ''#phone number
form.fields["password"] = ''#password
result = parse(submit_form(form)).getroot()
print result