一、领域驱动设计 https://www.cnblogs.com/wlandwl/p/ddd_one.html https://mp.weixin.qq.com/s?__biz=MzAxNDEwNjk5OQ==&chksm=83953cc4b4e2b5d2bd4426e0d2103f2e95715b682f3b7ff333dbb123eaa79d3e5ad24f64beac&idx=1&mid=2650404060&scene=21&sn=cacf40d19528f6c2d9fd165151d6e8b4#wechat_redirect 二、MapStruct https://juejin.cn/post/7140149801991012365 三、聚合 https://zhuanlan.zhihu.com/p/359672528 https://www.cnblogs.com/netfocus/p/3307971.html