如何抓取微博评论
比如要抓取这条微博下的评论，通过抓取HTML来获取呢还是 微博接口来获取，我看了下接口，需要一个授权获取access_token然后才能获取评论，直接通过代码怎么让用户授权获取access_token呢？
回复内容：
比如要抓取这条微博下的评论，通过抓取HTML来获取呢还是 微博接口来获取，我看了下接口，需要一个授权获取access_token然后才能获取评论，直接通过代码怎么让用户授权获取access_token呢？
从控制台看一下
http://weibo.com/aj/v6/comment/big?ajwvr=6&id=3833719532508422&...
这个地址就是获取评论的 然后根据id来抓
如果不是全量抓取，建议你用微博api来抓，如果爬虫来抓，是需要登录相关信息的，也就是在curl的时候需要带上cookie相关信息，会比较复杂，如果cookie有一定实效性更麻烦了
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