~~~ package com.test.dao; import com.test.domain.Customer; import org.springframework.data.jpa.repository.JpaRepository; import org.springframework.data.jpa.repository.JpaSpecificationExecutor; /** * SpringDataJpa的dao层接口规范 * JpaRepository<实体类, 实体类主键类型>, 封装了基本的CURL操作 * JpaSpecificationExecutor<实体类>，封装了复杂查询（分页） */ public interface CustomerDao extends JpaRepository<Customer, Long>, JpaSpecificationExecutor<Customer> { } ~~~