pojo类注解写法

对象与表之间的关联映射

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import javax.persistence.*;

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import java.util.Date;

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​

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@Table(name = "ADS_ADVERTISEMENT")

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public class AdsAdvertisement extends BasePojo {

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    /**

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     * 主键

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     */

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    @Id

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    @Column(name = "ADVERTISEMENT_ID")

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    @GeneratedValue(strategy = GenerationType.IDENTITY)

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    private String advertisementId;

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​

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    /**

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     * 广告位

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     */

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    @Column(name = "POSITION_ID")

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    private String positionId;