Spring MVC / Boot

https://stackoverflow.com/questions/5690228/spring-mvc-how-to-return-image-in-responsebody

http://hw1287789687.iteye.com/blog/2188562

http://blog.csdn.net/clj198606061111/article/details/20743769

http://www.cnblogs.com/lonecloud/p/5990060.html

http://www.cnblogs.com/WJ-163/p/6269409.html

http://blog.csdn.net/wuzuodingfeng/article/details/53489089

http://blog.csdn.net/szwangdf/article/details/38042219/

http://www.cnblogs.com/s648667069/p/6489557.html

http://www.cnblogs.com/s648667069/p/6513335.html

http://www.cnblogs.com/onetwo/p/6237181.html

http://blog.csdn.net/u013360850/article/details/60595210

http://blog.csdn.net/u013360850/article/details/53415005

http://www.jianshu.com/p/fcd21ab3e1af

http://blog.jobbole.com/99638/

http://blog.csdn.net/u014453515/article/details/52938260