这都是什么神仙文档

shiro框架
https://www.sojson.com/shiro
对Redis的理解，Redis是什么，Redis和Memcache谁快？
https://www.sojson.com/blog/243.html
为什么要前后端分离？有什么优缺点？
https://blog.youkuaiyun.com/bntx2jsqfehy7/article/details/80589580
JavaWeb学习总结
https://blog.youkuaiyun.com/smxjant/article/details/85127464
面试题总结
https://blog.youkuaiyun.com/moneyshi/article/details/50786786
Java中对字符串的一些常见处理
https://blog.youkuaiyun.com/fyp19980304/article/details/79802590
各种设计模式
http://www.runoob.com/design-pattern/singleton-pattern.html
三次握手四次挥手
https://blog.youkuaiyun.com/csdnnews/article/details/86570658
SpringCloud
https://blog.youkuaiyun.com/forezp/article/details/70148833
mysql函数
http://www.runoob.com/mysql/mysql-functions.html