https://blog.csdn.net/andy_zhang2007/article/details/96861423
https://blog.csdn.net/szhlcy/article/details/102984925
https://blog.csdn.net/szhlcy/article/details/102984925
默认提供的cachemanger
ConcurrentMapCacheManager
CacheManager接口的连个方法的实现：
org.springframework.cache.concurrent.ConcurrentMapCacheManager#getCacheNames
org.springframework.cache.concurrent.ConcurrentMapCacheManager#getCache
getCache的逻辑：
1 如果存在cache返回
2 如果不存在，则动态的创建一个cache
使用
@EnableCaching中CachingConfigurationSelector注册的三个bean
AutoProxyRegistrar InfrastructureAdvisorAutoProxyCreator
ProxyCachingConfiguration
