def login1():
isLogin = False
while not isLogin:
# 打开登录页
cj = cookielib.LWPCookieJar()
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
urllib2.install_opener(opener)
opener.addheaders = [("User-Agent","Mozilla/5.0 (Windows NT 6.1; rv:12.0) Gecko/20100101 Firefox/12.0)"),("Accept", "text/html, image/jpeg, image/png, text/*, image/*, */*")]
# 读取验证码
download_pic.download_pic(config.url,1)
# 识别
download_pic.pretreatment('./yzm/0000.png')
yzms = download_pic.recognize('./yzm/0000.tif').strip()
print yzms
#yzms.trim()
# 反复提交
values = "who=guest&id=&pwd=&yzm="+yzms+"&submit=%C8%B7+%B6%A8"#(确定的gb码)
#values = {'who':'guest','id':'','pwd':'','yzm':yzms,'submit':"确定"}
print values
#postdata = urllib.urlencode(values)
#print postdata
req = urllib2.Request(config.loginform, values) # 服务器请求
print 'request:'
print req
response = urllib2.urlopen(req)
the_page = response.read()
print 'response:'
print response.getcode()
print response.info()
return the_page.decode('gbk','ignore')
# 返回结果 True or False
pass
def test_login():
#登陆页面，可以通过抓包工具分析获得，如fiddler，wireshark
login_page = config.loginform
url = 'http://202.114.74.198/stu/choose_pubLesson_list.jsp?actionType=query'
# try:
while True:
enable_proxy = True
proxy_handler = urllib2.ProxyHandler({"http" : '192.168.1.1:8888'})
null_proxy_handler = urllib2.ProxyHandler({})
if enable_proxy:
opener = urllib2.build_opener(proxy_handler)
else:
opener = urllib2.build_opener(null_proxy_handler)
#获得一个cookieJar实例
cj = cookielib.MozillaCookieJar("cookie")
#cookieJar作为参数，获得一个opener的实例
opener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
urllib2.install_opener(opener)
#伪装成一个正常的浏览器，避免有些web服务器拒绝访问。
opener.addheaders = [('User-agent','Mozilla/5.0 (Windows NT 6.1; rv:12.0) Gecko/20100101 Firefox/12.0'),("Accept"," text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"),("Accept-Language","en-us,en;q=0.5"),("Accept-Encoding","gzip, deflate"),("Connection","keep-alive"),("Referer","http://xk.whu.edu.cn")]
# 打开登录页
content = urllib2.urlopen('http://202.114.74.198/').read().decode('gbk','ignore')
print 'content',content
#生成Post数据，含有登陆用户名密码。
# 读取验证码
#download_pic.download_pic(config.url,1)
pic = urllib2.urlopen('http://202.114.74.198/GenImg').read()
yzm = open('./yzm/0000.png','wb')
yzm.write(pic)
yzm.close()
# 识别
download_pic.pretreatment('./yzm/0000.png')
yzms = download_pic.recognize('./yzm/0000.tif').strip()
print yzms
print 'cookie',cj
cj.save(ignore_discard=True, ignore_expires=True)
#yzms.trim()
# 反复提交
values = "who=guest&id=&pwd=&yzm="+yzms+"&submit=%C8%B7+%B6%A8"#(确定的gb码)
# requset
request = urllib2.Request(url = login_page,data = values)
#request = opener.open(login_page,values)
print 'request',request
result = urllib2.urlopen(request).read()
cj.save(ignore_discard=True, ignore_expires=True)
print 'result',result.decode('gbk','ignore')
#以post的方法访问登陆页面，访问之后cookieJar会自定保存cookie
#opener.open(login_page,values)
#以带cookie的方式访问页面
op=opener.open(url)
#读取页面源码
data= op.read()
return data.decode('gbk','ignore')
