@Service
@Transactional
public class UserServiceImpl implements UserService {
@Autowired
private UserRepository userRepository;
@Override
public void createUser(User user) {
userRepository.save(user);
}
@Override
public void deleteUser(int userId) {
userRepository.deleteById(userId);
}
@Override
public User getUser(int userId) {
return userRepository.findById(userId).orElse(null);
}
}
spring.datasource.url=jdbc:mysql://localhost:3306/mydb
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.jpa.hibernate.ddl-auto=update
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
spring.jpa.show-sql=true
spring.jpa.properties.hibernate.format_sql=true
spring.jpa.properties.hibernate.enable_lazy_load_no_trans=true
