hibernate学习：一对一单向联结外键
hibernate学习：一对一单向联合外键
一：例子
二：总结
Wife有联合外键WifePK
在Husband对象中
@OneToOne
@JoinColumns({ @JoinColumn(name = "wife_id", referencedColumnName = "id"),
@JoinColumn(name = "wife_name", referencedColumnName = "name") })
private Wife wife;