1 c#爬虫开发一
https://www.cnblogs.com/jjg0519/p/6702747.html
2 c#正则表达式
https://www.cnblogs.com/hehehehehe/p/6043710.html
3 图片下载器
http://www.cnblogs.com/edisonchou/p/4175190.html
4 xpath
https://www.cnblogs.com/asxinyu/p/CSharp_HtmlAgilityPack_XPath_Weather_Data.html
https://www.cnblogs.com/vaevvaev/p/7041858.html
http://www.cnblogs.com/qixue/p/3977135.html（封装类）
6 chrome浏览器的options参数
https://blog.csdn.net/xc_zhou/article/details/82415870
https://www.cnblogs.com/tobecrazy/p/4570494.html
7下载图片
https://www.cnblogs.com/gc2013/p/4223753.html
8 反爬虫系列
https://www.cnblogs.com/likeli/p/4730709.html