牛人博客

1.JUC

http://www.blogjava.net/xylz/archive/2010/06/30/324915.html

https://www.cnblogs.com/200911/articles/10483610.html

https://www.sczyh30.com

springMVC讲的很好：https://www.cnblogs.com/telwanggs/p/6911970.html