一对一的配置

table1和table2是一对一的关系,配置如下:

table1.hbm.xml

<one-to-one name="studentcard"></one-to-one>

table1 class

private Studentcard studentcard;
get/set(...)

table2.hbm.xml

<one-to-one name="student"></one-to-one>

table2 class

private Student student;
get/set(...)