springboot 快速集成guava
https://blog.csdn.net/a67474506/article/details/52608855?utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromMachineLearnPai2%7Edefault-4.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromMachineLearnPai2%7Edefault-4.control
postconstruct
https://www.jianshu.com/p/98cf7d8b9ec3