摘要：媒体表@Entitypublic class Media implements Serializable { ......略 @OneToMany(cascade=CascadeType.REMOVE) @JoinColumn(name = "FK_Media_id",updatable=false) private Set<MediaComment> mediaCommetnSet; // 媒体评论表}媒体评论表@Entitypublic class MediaComment implements Serializable { ......略 @ManyToO 阅读全文