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我在学习Laravel发现Laravel是直接使用Model查询数据库数据返回的,那是不是就是说:Laravel不需要Dao和Service层了,只需要一个Model就可以了?
认证高级PHP讲师
Laravel的ORM采用ActiveRecord模式,基本可以分为以下上中下三层,而其中DB层应该就是传统意义上DAO层了,实际项目中,也会常常用到这一层:
Laravel
ORM
ActiveRecord
DB
DAO
PDO
Laravel
的ORM
采用ActiveRecord
模式,基本可以分为以下上中下三层,而其中DB
层应该就是传统意义上DAO
层了,实际项目中,也会常常用到这一层:ORM
层DB
层PDO
层