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最近在学node的mvc开发模式,想知道control,service和model的具体区别?为什么这么划分?
我的理解是
model就是和数据库表的映射,
service提供操作表的一些方法,主要是CRUD
control感觉也是在做CRUD,
感觉control和service有点重合了?


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model 提供curd方法
service 组合model实现具体需求
controller 只做参数校验以及异常处理,调用service
这样的目的是实现业务分层,良好的代码规范决定代码的可复用性以及可维护性


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