使用http.cookiejar生产Cookie模拟用户登陆

# -*- coding: utf-8 -*-import reimport urllib.parseimport urllib.requestfrom http.cookiejar import CookieJar#豆瓣的登录urlloginurl = "https://www.douban.com/accounts/login"cookie = CookieJar()opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor)data={}data["form_email"]="[e-mail]"data["form_password"]="wanghejin18592"data["source"]= "index_nav"# 从首页提交登录response = opener.open(loginurl,urllib.parse.urlencode(data).encode("utf-8"))# 验证成功跳转至登录页if response.geturl() == "https://www.douban.com/accounts/login":    html = response.read().decode()    # 验证码图片地址    imgurl = re.search('<img id="captcha_image" src="(.+?)" alt="captcha" class="captcha_image"/>', html)    if imgurl:        url = imgurl.group(1)        # 将图片保存至同目录下        res = urllib.request.urlretrieve(url, "v.jpg")        # 获取captcha-id参数        captcha = re.search('<input type="hidden" name="captcha-id" value="(.+?)"/>', html)        if captcha:            vcode = input("请输入图片上的验证码：")            data["captcha-solution"] = vcode            data["captcha-id"] = captcha.group(1)            data["user_login"] = "登录"            # 提交验证码验证            response = opener.open(loginurl, urllib.parse.urlencode(data).encode("utf-8"))            #登录成功跳转至首页            if response.geturl() == "http://www.douban.com/":                print ("登录成功")