http://www.cnblogs.com/xiekeli/p/5607107.html
https://www.oschina.net/question/1264088_220768
token作用 token机制的作用 token机制的目的
session
http://justsee.iteye.com/blog/1570652
http://netsecurity.51cto.com/art/201402/428721.htm
http://www.jb51.net/hack/5777.html【关键词:cookie欺骗,可百度加深了解】