废话不多说了，直接给大家贴代码了。
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import urllib
import urllib2
import cookielib
def getImg(picurl):
'''
request for random_code picture and cookie
'''
pic = opener.open(picurl).read()
with open('./verifyImg.jpg','wb') as emptyPic:
emptyPic.write(pic)
def verifyImg(picpath):
'''
TODO
'''
pass
def login(coo):
loginUrl = 'http://jwxt.wust.edu.cn/whkjdx/Logon.do?method=logon'
data = {'USERNAME':'*****', 'PASSWORD':'*****', 'RANDOMCODE':coo}
#encode the postData
postData = urllib.urlencode(data)
user_agent = 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
header = {'User-Agent':user_agent,'Referer':'http://jwxt.wust.edu.cn/whkjdx/framework/main.jsp'}
#generate a Request with url,postData headers and cookie
request = urllib2.Request(loginUrl, postData, headers = header)
#post data
content = opener.open(request)
#get html file
mainUrl = 'http://jwxt.wust.edu.cn/whkjdx/framework/main.jsp'
mainContent = opener.open(mainUrl).read()
print mainContent
if __name__ == '__main__':
cookie = cookielib.CookieJar()
handler = urllib2.HTTPCookieProcessor(cookie)
opener = urllib2.build_opener(handler)
picurl = 'http://jwxt.wust.edu.cn/whkjdx/verifycode.servlet'
getImg(picurl)
#verifyImg(picpath)
randomCode = raw_input('Plz input teh randomcode:')
login(randomCode)
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以上代码大家看起来很容易吧，有不明白的地方欢迎留言，我会在第一时间和大家取得联系的。在此服务器之家小编祝大家新年快乐。