请教爬虫问题,浏览器能访问到的页面,爬虫时某些 id 能访问到,有些不能。 - V2EX
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JCZ2MkKb5S8ZX9pq

请教爬虫问题,浏览器能访问到的页面,爬虫时某些 id 能访问到,有些不能。

  •  
  •   JCZ2MkKb5S8ZX9pq Nov 20, 2018 1600 views
    This topic created in 2714 days ago, the information mentioned may be changed or developed.
    • 为了做课题,通过 uid 读取微博的用户基本信息。
    • 从 chrome 模拟 h5 访问。
    • 某些用户如 uid1 可以正常访问。
    • 某些用户如 uid2 则不行,chrome 中可正常访问。
    • 排除网络不稳定因素。

    问题

    • uid2 访问失败的原因是什么?
    • 有没有方法区分 {访问失败} 和 {用户被封禁销号}。
    import requests def get_user_info(uid): url = 'https://m.weibo.cn/api/container/getIndex' headers = { 'Accept': 'application/json, text/plain, */*', 'DNT': '1', 'MWeibo-Pwa': '1', 'Referer': 'https://m.weibo.cn/u/1707254184', 'User-Agent': 'Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Mobile/15A372 Safari/604.1', 'X-Requested-With': 'XMLHttpRequest', } headers['Referer'] = f'https://m.weibo.cn/u/{uid}' p = {'type': 'uid', 'value': uid, 'containerid': '100505%s' % uid} body = request(url, headersheaders, params=p) print(body) uid1 = 1692016845 uid2 = 1996669711 get_user_info(uid1) get_user_info(uid2) 
    JCZ2MkKb5S8ZX9pq
        1
    JCZ2MkKb5S8ZX9pq  
    OP
       Nov 20, 2018
    fiddler 下用安卓模拟器测试了下,浏览器访问 uid2,提示证书有问题(已安装 fiddler 证书),会不会是微博方的 https 的问题?
    但我不是很懂,有人能费心解释一下嘛?
    freshmanc
        2
    freshmanc  
       Nov 20, 2018
    >>>get_user_info(uid2)
    {'ok': 0, 'msg': '这里还没有内容', 'data': {'cards': []}}

    does uid2 really exist?
    1130335361
        3
    1130335361  
       Nov 21, 2018   1
    经过测试,查看这个博主好像要登录之后才能看,不知道是什么机制
    楼主可以用隐身模式打开这两个链接试试
    http://weibo.com/u/1996669711
    https://m.weibo.cn/u/1996669711
    JCZ2MkKb5S8ZX9pq
        4
    JCZ2MkKb5S8ZX9pq  
    OP
       Nov 21, 2018
    @1130335361 后来访问失败的都加 cookie 重取了。不过不知道微博网页版的这个 cookie 管用多久,客户端 api 倒是能用很久,不过那个访问多了又有 403 限制,之后再看吧。
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