https://www.cnblogs.com/peida/archive/2013/04/23/3036035.html
https://www.cnblogs.com/peida/archive/2013/04/24/3036689.html
https://www.cnblogs.com/peida/archive/2013/04/26/3038503.html
JAVA注解Annotation深入理解
原文：https://www.cnblogs.com/hhddd-1024/p/15201782.html
