//classroom MAPPING
public class Classroom {
private String id ;
private String name;
private Student student;

//SETTER AND GETTER;

//student MAPPING
public class Student {
private String uid ;
private String uname;
private String upsw;

//SETTER AND GETTER;

//执行方法
public List<Classroom > getClassroom (String cid) {
String hql = " from Classroom where id="+cid;
List<Classroom > classroomlist = getHibernateTemplate().find(hql);
return classroomlist ；