python模拟登录人人网

参考：

http://www.cnblogs.com/txw1958/archive/2012/03/12/2392067.html

http://www.cnblogs.com/chenyg32/archive/2013/06/04/3116317.html

http://docs.python.org/2/howto/urllib2.html

http://stackoverflow.com/questions/189555/how-to-use-python-to-login-to-a-webpage-and-retrieve-cookies-for-later-usage

 import urllib,urllib2,cookielib
 from BeautifulSoup import BeautifulSoup
 url='http://www.renren.com/SysHome.do'
 resp1=urllib2.urlopen(url)
 source=resp1.read()
 soup1=BeautifulSoup(source)
 user_agent = 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
 headers = { 'User-Agent' : user_agent}
 params={'domain':'renren.com','origURL':'http://www.renren.com/indexcon','email':'*********@****.com','password':'******'}
 params=urllib.urlencode(params)
 params=params.encode('ISO-8859-1')
 cj=cookielib.CookieJar()
 opener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
 urllib2.install_opener(opener)
 resp2=urllib2.Request('http://www.renren.com/PLogin.do',params,headers)
 response = urllib2.urlopen(resp2)
 # print opener.open(resp2)
 the_page=response.read()
 print the_page