情景：以极简图床为例，图床内有很多相册，每一个相册里对应着一些图片，此时相册为一，图片为多。
代码
import lombok.Data;
import javax.persistence.*;
import java.util.ArrayList;
import java.util.List;
@Entity
@Data
public class Album {
@GeneratedValue
@Id
private Integer id;
private String albumCover;
private String albumTitle;
private String albumDescription;
private Integer likes;
@OneToMany(fetch = FetchType.EAGER,cascade = CascadeType.REMOVE)
@JoinColumn(name = "picture_id")
private List<PictureList> pictureList = new ArrayList<>();
public Album() {
}
public Album(String albumCover, String albumTitle, String albumDescription, Integer likes) {
this.albumCover = albumCover;
this.albumTitle = albumTitle;
this.albumDescription = albumDescription;
this.likes = likes;
}
}
import io.swagger.models.auth.In;
import lombok.Data;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
@Entity
@Data
public class PictureList {
@GeneratedValue
@Id
private Integer id;
private String pictureTitle;
private String pictureLink;
public PictureList(String pictureTitle, String pictureLink) {
this.pictureTitle = pictureTitle;
this.pictureRoad = pictureLink;
}
public PictureList() {
}
}
