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toscrape_book icon toscrape_book

爬取网站中的书籍信息，将爬取结果保存到csv文件中。 使用scrapy shell<url>命令进行前期爬取实验，从而提升开发效率。运用sarapy框架，实现spider之前先定义封装信息的ITEM类，实现书籍列表的解析函数，实现书籍页面的解析函数。 遇到的问题：评价字段是One、Two、Three这样的单词，而不是阿拉伯数字，阅读起来不直观。 解决方法：实现一个Item Pipeline,将评价等级字段由单词映射到数字

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