Python3 黑板客爬虫闯关第二关

      #coding=utf-8
      import requests
      from requests.exceptions import RequestException
      from bs4 import BeautifulSoup
      def getHtml(url,i):
       data = {"username":"admin",
      "password":i,}
      try:
       headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0'}
       response = requests.post(url,data = data,headers = headers)
      if response.status_code == 200:
      return response.text
      return None
      except RequestException:
      return None
      if __name__=='__main__':
       url = "http://www.heibanke.com/lesson/crawler_ex01/"
      for i in range(1,30):
       html = getHtml(url,i)
      if "密码错误" in html:
      continue
      print ("admin:{}".format(i))
  
 

考察点：分析网页，提交表单

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原文链接：blog.csdn.net/qq523176585/article/details/83019308