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step3 自动跟进页面链接以及对内容的处理 #4

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@findsomeoneyys
  1. 使用scrapy.spider.CrawlSpider以及 Rule方法来定义如何从爬取页面提取链接
  2. 定制不同pipeline来决定对item(爬取得到的内容)处理
    • 清理HTML数据
    • 验证爬取的数据
    • 查重(并丢弃)
    • 将爬取的结果保存到数据库中

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