V2EX = way to explore
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warmwei
V2EX  ›  程序员

爬虫求助:爬虫新手,请教各位大佬, CSDN 抓取文章 html 的时候 返回不了正确的 html,该如何处理

  •  
  •   warmwei · 2019-11-14 17:57:43 +08:00 · 3146 次点击
    这是一个创建于 1597 天前的主题,其中的信息可能已经有所发展或是发生改变。

    需求:将 csdn 上的文章 html 抓下来,存储在本地 随便一个链接: https://blog.csdn.net/m0_37907797/article/details/102661778 然后 抓取返回的是 如下,以为是 gzip 的问题 但好像不是,请教各位大佬,有没有比较方便的方案,谢谢答复

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    16 条回复    2019-11-15 09:32:35 +08:00
    whoami9894
        1
    whoami9894  
       2019-11-14 18:11:19 +08:00 via Android
    HTML 由 js 动态生成的,还做了混淆
    crella
        2
    crella  
       2019-11-14 18:52:09 +08:00 via Android
    不懂乱答,selenium
    superrichman
        3
    superrichman  
       2019-11-14 19:00:57 +08:00
    你的请求要把 header 加上, 特别是 cookie
    no1xsyzy
        4
    no1xsyzy  
       2019-11-14 19:16:14 +08:00
    JSNice,请
    ozuikai
        5
    ozuikai  
       2019-11-14 19:29:57 +08:00 via iPhone
    与 header 无关 加上 cookie 可破
    superrichman
        6
    superrichman  
       2019-11-14 20:07:56 +08:00
    @ozuikai cookie 就是 header 的一部分, 还是有关的. 你去抓一下 https 请求就知道了.
    Arrowing
        7
    Arrowing  
       2019-11-14 20:12:02 +08:00 via Android
    先在浏览器看看正常的响应,再把请求头和请求体记下来,用程序或者 postman 跑一下
    endoffight
        8
    endoffight  
       2019-11-14 20:15:09 +08:00 via Android
    nodejs 可破
    ozuikai
        9
    ozuikai  
       2019-11-14 21:27:42 +08:00 via iPhone
    @superrichman 嗯 是一部分 我说的不严谨 只是这两个在 requests 中可以分开设置 爬 csdn 只用加上 cookie 就会正常返回 其他可以用默认的
    jeffh
        10
    jeffh  
       2019-11-14 21:50:58 +08:00
    用 postman 试了一下,不加 cookie 你这个问题成功复现,把 cookie 加上就可以了
    likuku
        11
    likuku  
       2019-11-14 22:12:28 +08:00
    干嘛要抓 CSDN 的数据?没见这么多人想法来屏蔽它的结果呢...
    yingqi7
        12
    yingqi7  
       2019-11-14 23:28:27 +08:00 via iPhone
    csdn 没啥意思
    woai110120130
        13
    woai110120130  
       2019-11-15 08:58:01 +08:00
    不要命了啊
    luvxy
        14
    luvxy  
       2019-11-15 09:06:42 +08:00
    了解下 Puppeteer
    geying
        15
    geying  
       2019-11-15 09:20:30 +08:00
    只求抓完不要再放出来
    zdnyp
        16
    zdnyp  
       2019-11-15 09:32:35 +08:00   ❤️ 2
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