Beautiful Soup 4.2.0 文档:
https://www.crummy.com/software/BeautifulSoup/bs4/doc/index.zh.html
BeautifulSoup4:常规用法
https://www.jianshu.com/u/7731e83f3a4e
BeautifulSoup4常用方法:
https://www.crummy.com/software/BeautifulSoup/bs4/doc/index.zh.html#find
scrapy中文说明手册:
http://scrapy-chs.readthedocs.io/zh_CN/0.24/topics/settings.html
某人的scrapy心得:
http://www.cnblogs.com/twelfthing/articles/4620533.html
jieba分词使用手册:
http://blog.csdn.net/u014589856/article/details/78934419