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hibernate多对多
标签：Hibernate
2017-05-10
学生类
@Entity(name="t_student")
public class Student {
@Id
@GeneratedValue
private int id;
private String name;
private int age;
@Transient//表示属性不会被ORM映射到数据库中
private double salary;
@ManyToMany(cascade=CascadeType.ALL)
@JoinTable(
name="t_stu_teacher",
joinColumns={@JoinColumn(name="sid")},
inverseJoinColumns={@JoinColumn(name="tid")}
)
private Set<Teacher> teacher;
}
老师类
@Entity
public class Teacher {
@Id
@GeneratedValue
private int id;
private String name;
@ManyToMany(mappedBy="teacher")
private Set<Student> stu;
}
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