64 lines
1.2 KiB
Java
64 lines
1.2 KiB
Java
package com.vibevault.model;
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import jakarta.persistence.*;
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/**
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* 歌曲实体类
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*
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* 需要实现：
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* - 将此类映射为数据库表 "songs"
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* - id 作为自增主键
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* - 每首歌曲属于一个歌单（多对一关系）
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*/
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@Entity
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@Table(name = "songs")
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public class Song {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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private String title;
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private String artist;
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private int durationInSeconds;
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@ManyToOne
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@JoinColumn(name = "playlist_id")
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private Playlist playlist;
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public Song() {
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}
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public Song(String title, String artist, int durationInSeconds) {
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this.title = title;
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this.artist = artist;
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this.durationInSeconds = durationInSeconds;
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}
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public Long getId() {
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return id;
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}
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public String getTitle() {
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return title;
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}
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public String getArtist() {
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return artist;
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}
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public int getDurationInSeconds() {
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return durationInSeconds;
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}
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public Playlist getPlaylist() {
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return playlist;
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}
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public void setPlaylist(Playlist playlist) {
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this.playlist = playlist;
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}
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}
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