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使用JPA重构DAO层

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myh 2023-10-25 18:10:36 +08:00
parent ccc39aed33
commit 62d95a3b6d
2 changed files with 15 additions and 6 deletions
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10
src/main/java/com/example/springdemo/dao/MerchantsRepository.java
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@ -1,14 +1,12 @@
package com.example.springdemo.dao; package com.example.springdemo.dao;
import com.example.springdemo.entities.Merchants; import com.example.springdemo.entities.Merchants;
import org.jetbrains.annotations.NotNull;
import org.springframework.data.jpa.repository.JpaRepository; import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository; import org.springframework.stereotype.Repository;
import java.util.List;
@Repository @Repository
public interface MerchantsRepository extends JpaRepository<Merchants, Long> { public interface MerchantsRepository
List<Merchants> findByName(String name); extends JpaRepository<Merchants, Long> {
void deleteById(@NotNull Long id); Merchants findByName(String name);
} }

11
src/main/java/com/example/springdemo/dao/UsersRepository.java Normal file
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@ -0,0 +1,11 @@
package com.example.springdemo.dao;
import com.example.springdemo.entities.Users;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface UsersRepository
extends JpaRepository<Users, Long> {
Users findByName(String name);
}