https://juejin.cn/post/6844903854782283790 https://www.cnblogs.com/ranyonsue/p/12090647.html https://blog.csdn.net/shujuku____/article/details/113976800
浏览器访问表现层（Controller）⇒表现层访问业务层⇒将数据封装到(Model)⇒再通过（View）渲染
https://juejin.cn/post/6844903854782283790 https://www.cnblogs.com/ranyonsue/p/12090647.html https://blog.csdn.net/shujuku____/article/details/113976800
浏览器访问表现层（Controller）⇒表现层访问业务层⇒将数据封装到(Model)⇒再通过（View）渲染