验证码处理

云打码平台的使用

云打码平台处理验证码的实现流程:- 官网url:http://www.yundama.com/demo.html

- 1.对携带验证码的页面数据进行抓取
- 2.可以将页面数据中验证码进行解析,验证码图片下载到本地
- 3.可以将验证码图片提交给三方平台进行识别,返回验证码图片上的数据值
    - 云打码平台:
        - 1.在官网中进行注册(普通用户和开发者用户)
        - 2.登录开发者用户:
            - 1.实例代码的下载(开发文档-》调用实例及最新的DLL-》PythonHTTP实例下载)
            - 2.创建一个软件:我的软件-》添加新的软件
        -3.使用示例代码中的源码文件中的代码进行修改,让其识别验证码图片中的数据值

案例:

爬取人人网登录后的个人主页

#将验证码识别的操作封装成一个函数
def getCodeText(userName,passWord,imgPath,codeType):
    result = None
    # 普通用户用户名
    username    = userName

    # 密码
    password    = passWord                            

    # 软件ID,开发者分成必要参数。登录开发者后台【我的软件】获得!
    appid       = 7166                                     

    # 软件密钥,开发者分成必要参数。登录开发者后台【我的软件】获得!
    appkey      = '18e36137d7308a1c6218de7f148d95ee'    

    # 图片文件
    filename    = imgPath                       

    # 验证码类型,# 例:1004表示4位字母数字,不同类型收费不同。请准确填写,否则影响识别率。在此查询所有类型 http://www.yundama.com/price.html
    codetype    = codeType

    # 超时时间,秒
    timeout     = 30                                    

    # 检查
    if (username == 'username'):
        print('请设置好相关参数再测试')
    else:
        # 初始化
        yundama = YDMHttp(username, password, appid, appkey)

        # 登陆云打码
        uid = yundama.login();
        print('uid: %s' % uid)

        # 查询余额
        balance = yundama.balance();
        print('balance: %s' % balance)

        # 开始识别,图片路径,验证码类型ID,超时时间(秒),识别结果
        cid, result = yundama.decode(filename, codetype, timeout);
        print('cid: %s, result: %s' % (cid, result))
    return result
import requests
import json
import time
from lxml import etree
from urllib import request

url = 'http://www.renren.com/'
headers = {
   'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.12 Safari/537.36'
}
page_text = requests.get(url=url,headers=headers).text
#识别人人网中的验证码图片
tree = etree.HTML(page_text)
code_img_url = tree.xpath('//*[@id="verifyPic_login"]/@src')[0]
request.urlretrieve(code_img_url,'./code.jpg')

#解析验证码图片
code_text = getCodeText('rest_zwq','xx密码xx','./code.jpg',2004)

#登录
login_url = 'http://www.renren.com/ajaxLogin/login?1=1&uniqueTimestamp=201924831467'
data = {
    "email":"www.zhangbowudi@qq.com",
    "icode":code_text,
    "origURL":"http://www.renren.com/home",
    "domain":"renren.com",
    "key_id":"1",
    "captcha_type":"web_login",
    "password":"436e61246c5c1c36a288c0e625b4e10f9b9c8df72b7a3f6e06a182c38d2286cb",
    "rkey":"77a46f4376c93a80d35930b2cacb6a8d",
    "f":"",
}

# 创建一个session对象
session = requests.Session()
#使用session进行请求的发送:获取cookie,且将cookie保存到session中
session.post(login_url,data=data,headers=headers)
#获取个人主页对应的页面数据
detail_url = 'http://www.renren.com/289676607/profile'
#该次请求发送是就已经携带了cookie
page_text = session.get(url=detail_url,headers=headers).text 
with open('./renren.html','w',encoding='utf-8') as fp:
    fp.write(page_text)

爬取古诗文网数据

需要携带类似于token的动态数据

#对古诗文网进行模拟登录
from lxml import etree
from urllib import request
headers = {
     'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.12 Safari/537.36'
}
session = requests.Session()

#获取验证码图片
url = 'https://so.gushiwen.org/user/login.aspx?from=http://so.gushiwen.org/user/collect.aspx'

page_text = requests.get(url,headers=headers).text
tree = etree.HTML(page_text)
code_img_url = 'https://so.gushiwen.org'+tree.xpath('//*[@id="imgCode"]/@src')[0]
img_data = session.get(url=code_img_url,headers=headers).content
with open('./gushiwen.jpg','wb') as fp:
    fp.write(img_data)

# 拿到验证码
code_text = getCodeText('rest_zwq','zwq1156145880','./gushiwen.jpg',1004)

# 执行登录
# 获取类似token的动态数据
__VIEWSTATE = tree.xpath('//*[@id="__VIEWSTATE"]/@value')[0]
__VIEWSTATEGENERATOR = tree.xpath('//*[@id="__VIEWSTATEGENERATOR"]/@value')[0]
login_url = 'https://so.gushiwen.org/user/login.aspx?from=http%3a%2f%2fso.gushiwen.org%2fuser%2fcollect.aspx'
data = {
    "__VIEWSTATE":__VIEWSTATE,
    "__VIEWSTATEGENERATOR":__VIEWSTATEGENERATOR,
    "from":"http://so.gushiwen.org/user/collect.aspx",
    "email":"www.zhangbowudi@qq.com",
    "pwd":"bobo328410948",
    "code":code_text,
    "denglu":"登录",
}

page_text = session.post(url=login_url,data=data,headers=headers).text

with open('./gushiwen.html','w',encoding='utf-8') as fp:
    fp.write(page_text)

 

posted @ 2019-03-22 17:42  清风_Z  阅读(257)  评论(0编辑  收藏  举报