可以在豆瓣网上爬取相应用户的信息，如：用户ID，，读过什么书，对书的评价等数据，可以作为收集实验数据的工具-Web crawling in豆瓣the corresponding user information, such as: user ID,, read any book, the book' s evaluation of the data can be used as a tool to collect experimental data