设置连接查询

public class User{
 private int id;
 private Student student;

get....
set....

}

 

public class Student{
private int id;
private String name;

get......
set.......
}

  

Criteria criteria = session.createCriteria(User.class);
//第一个参数为你在User里面关联的字段名,第一个参数为你起的别名,第三参数为连接方式
criteria.createAlia("student", "st",JoinType.LEFT_OUTER_JOIN);
Criterion cr= Restrictions.eq("st.name", "张三");
List<User> userList=cr.list();