古诗文网-古诗文经典传承
故意输错密码，点击登录，获取登录 url，以及登录所需要携带的参数
__VIEWSTATE: 5KweV6Al3Bxs3eTONplApnHlJpUFEExiebrmbhSc6X08+Op/yQUI/TYTDrCQsG2wjhuR1toG6DtR/X+VCCP9q/4hgbQhAn+4ZpfqNf3LdEo+Vd2BZLuo/EbUGrM= __VIEWSTATEGENERATOR: C93BE1AE from: http://so.gushiwen.cn/user/collect.aspx email: 1378178205@qq.com pwd: 4444444 code: LL1A denglu: 登录
(1)解决反爬设置的隐藏域 __VIEWSTATE __VIEWSTATEGENERATOR 一般看不到的数据都在页面的源码,在页面的源码中查找，找到了如下：
验证码 code
验证码是一张图片，可以把验证码图片下载到本地识别。此次就人工直接查看吧
源码：
from bs4 import BeautifulSoup
def Rgushiwen():
#（1） 获取验证码、__VIEWSTATE、__VIEWSTATEGENERATOR
url = 'https://so.gushiwen.cn/user/login.aspx?from=http://so.gushiwen.cn/user/collect.aspx' # 登录接口
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36 SE 2.X MetaSr 1.0'
}
response = requests.post(url=url,headers=headers) # 获取页面源码
content = response.text
soup = BeautifulSoup(content,'lxml') # 解析页面源码
viewstate = soup.select('#__VIEWSTATE')[0].attrs.get('value') # 获取 __VIEWSTATE
viewstategenerator = soup.select('#__VIEWSTATEGENERATOR')[0].attrs.get('value') #获取 __VIEWSTATEGENERATOR
# print(viewstate,viewstategenerator)
code = soup.select('#imgCode')[0].attrs.get('src') # 获取验证码图片地址
code_url = 'https://so.gushiwen.cn' + code
session = requests.session() # 通过session 的返回值使请求变成一个对象
response_code = session.get(code_url) # 验证码内容
content_code = response_code.content # 图片二进制获取
with open('code.jpg','wb') as fp:
fp.write(content_code)
code_name = input('请输入验证码')
# （2）登录
url_post = 'https://so.gushiwen.cn/user/login.aspx?from=http%3a%2f%2fso.gushiwen.cn%2fuser%2fcollect.aspx'
data_post = {
'__VIEWSTATE':viewstate,
'__VIEWSTATEGENERATOR': viewstategenerator,
'from':'http://so.gushiwen.cn/user/collect.aspx',
'email':'1378178205@qq.com',
'pwd': '123456oo',
'code': code_name,
'denglu': '登录'
}
response_post = session.post(url=url,headers=headers,data=data_post)
content_post = response_post.text
with open('gushiwen.html','w',encoding='utf-8') as fp:
fp.write(content_post)
