基本信息
源码名称:xpath爬取豆瓣电影top250
源码大小:1.26KB
文件格式:.py
开发语言:Python
更新时间:2021-01-16
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   源码介绍
xpath爬取豆瓣电影top250

import requests from lxml import etree
headers = { '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',  'Host': 'movie.douban.com' } def get_one_page(base_url): for i in range(10):
        url=base_url str(i*25)#  response=requests.get(url, headers=headers)
        html=etree.HTML(response.content)
        items = html.xpath('//ol/li/div[@class="item"]') for item in items: try:
                rank=item.xpath('./div[@class="pic"]/em/text()')#提取电影的排名  title=item.xpath('./div[@class="info"]/div[@class="hd"]/a/span/text()')#提取电影名  quote=item.xpath('./div[@class="info"]//p[@class="quote"]/span/text()')#提取quote  score=item.xpath('//div[@class="star"]/span[contains(@class,"rating_num")]/text()') if len(quote)==0:
                    quote=[" "] print(rank[0] "\t", title[0] "\t", score[0] "\t", quote[0] "\t", )#注意到xpath返回的都是list。  except : print("出错!") pass  if __name__ == '__main__':
    url = 'https://movie.douban.com/top250?start='  get_one_page(url)