java表达式aviator

https://ixyzero.com/blog/archives/3884.html

http://loveshisong.cn/%E7%BC%96%E7%A8%8B%E6%8A%80%E6%9C%AF/2016-02-24-%E8%A1%A8%E8%BE%BE%E5%BC%8F%E5%BC%95%E6%93%8Eaviator.html

https://github.com/killme2008/aviator/wiki