[模型](%E6%A8%A1%E5%9E%8B.md) [控制器](%E6%8E%A7%E5%88%B6%E5%99%A8.md) [路由](%E8%B7%AF%E7%94%B1.md) [验证器](%E9%AA%8C%E8%AF%81%E5%99%A8.md) [逻辑层](%E9%80%BB%E8%BE%91%E5%B1%82.md)