seecoder-eval/src/main/java/com/nju/edu/eval/data/entity/User.java

package com.nju.edu.eval.data.entity;

import com.nju.edu.eval.publicdatas.enums.UserRole;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;

import javax.persistence.*;
import java.util.ArrayList;
import java.util.List;

/**
 * @author mars
 */
@Data
@Entity
@EqualsAndHashCode
@NoArgsConstructor
@AllArgsConstructor
@Table(name = "user")
public class User {
    @Id
    private Integer id;

    @Enumerated(EnumType.STRING)
    private UserRole role;

    private String name;

    private String email;

    private String phone;

    /**
     * 学生参加的考试 中间表是score
     */
    @ManyToMany(cascade = CascadeType.MERGE, fetch = FetchType.LAZY)
    @JoinTable(name = "score", joinColumns = @JoinColumn(name = "student_id"),
                                    inverseJoinColumns = @JoinColumn(name = "exam_id"))
    private List<Exam> exams = new ArrayList<>();

    /**
     * 某个学生考试的个人成绩报告集合
     */
    @OneToMany(cascade = CascadeType.MERGE, fetch = FetchType.LAZY)
    private List<Score> scores;

}