爬虫获取网站源码时, p 标签总是只能获取到最后一段内容 - V2EX
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dalezyf897

爬虫获取网站源码时, p 标签总是只能获取到最后一段内容

  •  
  •   dalezyf897 Mar 18, 2020 2225 views
    This topic created in 2232 days ago, the information mentioned may be changed or developed.

    网站源码:

    <p class="profile"> 江苏省产业技术研究院智能液晶技术研究所(智能液晶所)是一个新型的、以企业方式运营的专业技术研究所,其运营实体为江苏集萃智能液晶科技有限公司。 <br/> 公司成立于 2016 年 5 月,大楼总面积达 13363.6 平...<span class="profile-open">展开+</span> </p> 

    crawler.py

    r = requests.get(url, headers=kv) print(r.text) 

    Output

    <p class="profile"> <br/> 公司成立于 2016 年 5 月,大楼总面积达 13363.6 平...<span class="profile-open">展开+</span> </p> 

    正在做毕设,求大佬解惑

    lozzow
        1
    lozzow  
       Mar 18, 2020 via iPhone
    不同地方加载的吧,你从浏览器上看的是加载之后的数据,所以是不一样的
    l3n641
        2
    l3n641  
       Mar 18, 2020
    建议给出 url 地址吧.情况很多种
    第一种是没有获取到的数据,是通过 ajax 获取或者保存到某个变量里面,然后在渲染的.第二种是有防爬虫,识别出了,你是爬虫,所以传递了不完整的数据.
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