[7.1一级缓存](7.1%E4%B8%80%E7%BA%A7%E7%BC%93%E5%AD%98.md) [7.2 二级缓存](7.2%E4%BA%8C%E7%BA%A7%E7%BC%93%E5%AD%98.md) [7.4 集成Redis缓存](7.4%E9%9B%86%E6%88%90Redis%E7%BC%93%E5%AD%98.md)