hql 多表查询

String hql = "select  m.leaveTitle,m.leaveContent,r.xm,m.leaveDate  from EipLeaveMsg m,EipRyJbxx r,SysUser u " +
"where m.leaveUser=u.userid and u.ryid=r.id.ryid ";

List temp = leavemsgDao.find(hql);
List  hashList = new ArrayList();
for(int i=0;i<temp.size();i++)
{
Object[] obj = (Object[] )temp.get(i);
HashMap hm = new HashMap();
hm.put("leaveTitle", obj[0]);
hm.put("leaveContent", obj[1]);
hm.put("xm", obj[2]);
hm.put("leaveDate", obj[3]);

hashList.add(hm);
}

return hashList;