ClassInMemoryVerifyCodeRepositoryImpl@author Pu Zhiwei {@literal puzhiweipuzhiwei@foxmail.com} create 2019-11-26 17:07 在内存中保存需要验证的验证码
spring-security-jwt/src/main/java/com/bugaugaoshu/security/repository/impl/InMemoryVerifyCodeRepositoryImpl.java:14