spring-data-jpa
spring-data-jpa
How to use spring-data-jpa
add depend
define entity
import jakarta.persistence.*;
import lombok.Data;
@Data
@Entity
@Table(name = "test1")
public class TestEntity {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Column(name = "name")
private String name;
}
define repository interface
import org.springframework.data.repository.CrudRepository;
public interface TestEntityRepository extends CrudRepository<TestEntity, Long> {
}
config connection
spring.datasource.url=jdbc:mysql://***
spring.datasource.username=***
spring.datasource.password=***
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver