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zhihu_spider

###大规模知乎用户爬虫 (1)使用python的request模块获取html页面,注意要修改自己的cookie,使得我们更像是使用浏览器访问 (2)使用xpath模块从html中提取需要的关键信息(姓名,职业,居住地,关注人等) (3)使用redis作为队列,很好的解决并发和大规模数据的问题(可以分布式) (4)使用bfs宽度优先搜索,使得程序得以不断扩展持续搜索用户 (5)数据存储至no-sql数据库:mongodb(高效轻量级并且支持并发) (6)使用python的进程池模块提高抓取速度 (7)使用csv,pandas,matplotlib模块进行数据处理(需要完善)

 具体可以参考我的博客:http://blog.csdn.net/nk_test/article/details/51330971
 运行的时候需要指定参数 : print_data_out 表示输出至屏幕;store_data_to_mongo代表存入mongodb数据库
 同时依赖redis,mongodb以及python的部分模块,请自行安装。

数据展示: image image image

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