~~~ package net.youworker.onetomany.repository; import net.youworker.onetomany.domain.Customer; import org.springframework.data.jpa.repository.JpaRepository; import org.springframework.data.jpa.repository.JpaSpecificationExecutor; /** * @author: hcf * @qq: 46914685 * @email: 46914685@qq.com * @date: 2020-01-08 10:21 */ public interface CustomerRepository extends JpaRepository<Customer,Long>, JpaSpecificationExecutor<Customer> { } ~~~ ***** ~~~ package net.youworker.onetomany.repository; import net.youworker.onetomany.domain.LinkMan; import org.springframework.data.jpa.repository.JpaRepository; import org.springframework.data.jpa.repository.JpaSpecificationExecutor; /** * @author: hcf * @qq: 46914685 * @email: 46914685@qq.com * @date: 2020-01-08 10:16 */ public interface LinkManRepository extends JpaRepository<LinkMan,Long>, JpaSpecificationExecutor<LinkMan> { } ~~~