Python网络爬虫之爬取微博热搜

###网址
url="https://s.weibo.com/top/summary?Refer=top_hot&topnav=1&wvr=6"
###模拟浏览器，这个请求头windows下都能用
header={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36'}

###获取html页面
  html=etree.HTML(requests.get(url,headers=header).text)

affair=html.xpath('//td[@class="td-02"]/a/text()')
rank=html.xpath('//td[@class="td-01 ranktop"]/text()')
view=html.xpath('//td[@class="td-02"]/span/text()')

top=affair[0]
affair=affair[1:]

 print('{0:<10}\t{1:<40}'.format("top",top))
  for i in range(0, len(affair)):
    print("{0:<10}\t{1:{3}<30}\t{2:{3}>20}".format(rank[i],affair[i],view[i],chr(12288)))

###导入模块
import requests
from lxml import etree
###网址
url="https://s.weibo.com/top/summary?Refer=top_hot&topnav=1&wvr=6"
###模拟浏览器
header={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36'}
###主函数
def main():
  ###获取html页面
  html=etree.HTML(requests.get(url,headers=header).text)
  rank=html.xpath('//td[@class="td-01 ranktop"]/text()')
  affair=html.xpath('//td[@class="td-02"]/a/text()')
  view = html.xpath('//td[@class="td-02"]/span/text()')
  top=affair[0]
  affair=affair[1:]
  print('{0:<10}\t{1:<40}'.format("top",top))
  for i in range(0, len(affair)):
    print("{0:<10}\t{1:{3}<30}\t{2:{3}>20}".format(rank[i],affair[i],view[i],chr(12288)))
main()