Spring Data JPA自定义Id生成策略、复合主键配置、Auditing使用

import org.springframework.data.annotation.CreatedBy;
import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.annotation.LastModifiedBy;
import org.springframework.data.annotation.LastModifiedDate;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;
import javax.persistence.*;
import java.io.Serializable;
import java.util.Date;

@Entity
@Table(name = "customers")
@EntityListeners(AuditingEntityListener.class)
public class Customer implements Serializable {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    @Column(name = "first_name")
    private String firstName;

    @Column(name = "last_name")
    private String lastName;

    @CreatedBy
    @Column(name = "created_by")
    private String createdBy;

    @CreatedDate
    @Column(name = "created_date")
    private Date createdDate;

    @LastModifiedBy
    @Column(name = "last_modified_by")
    private String lastModifiedBy;

    @LastModifiedDate
    @Column(name = "last_modified_date")
    private Date lastModifiedDate;

    // 省略getter和setter方法
}

@Embeddable
public class CompoundKey implements Serializable {
    private String keyPart1;
    private String keyPart2;

    // 省略getter和setter方法
}

@Entity
@Table(name = "compound_key_entities")
public class CompoundKeyEntity {

    @EmbeddedId
    private CompoundKey id;

    @Column(name = "data")
    private String data;

    // 省略getter和setter方法
}