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;
原文：http://blog.csdn.net/u013628152/article/details/43605013