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淘宝爬虫

抓取商品的关键字

  • 商品的id
  • 店铺id
  • 商品的url
  • 商品价格
  • 商品的销量
  • 商品的名称
  • 店铺名字
  • 店铺地址

抓取评论的关键字

  • 用户的id
  • 用户购买的商品分类
  • 用户的评论

抓取原理

  • 利用selenium模拟访问,获取指定商品的总页数,然后分别获取每页的商品信息,并保存到数据库
  • 利用抓取到的商品信息,用商品id和店铺id构造url访问得到评论的json数据,利用多线程,将格式化的数据保存到数据库

运行环境

  • python3
  • windows10

前置库

  • requests
  • selenium
  • pyquery
  • pymongo

使用方法

将文件下载到本地,cmd进入该文件夹

参数解释

  • -h 帮助
  • -k 需要爬取的商品名称
  • -d 需要保存到的数据库名称(保存到mongodb,程序自动建立数据库)
  • -r 是否需要抓取商品评论 (输入任意字符表示抓取评论 例如:python crawl_taobao.py -d database -r a)
  • -v 版本信息

示例

抓取商品列表

抓取商品评论

此功能需要先抓取商品列表

抓取到的数据库信息

商品信息

评论信息

2018.1.13更新

简化代码,将chrome浏览器改为phantomjs无头浏览器

评论的网页稍有变动,修改代码使其可执行

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