struts+hibernate查询所有记录

 <logic:present name="list">
                  <logic:iterate id ="row" name = "list">
                            <tr class="listtr"> 
                              <td  height="39" align="center" bgcolor="#FFFFCC" scope="row" title="½ÇÉ«ID">${row.roleId}</td>
                              <td  height="39" align="center" bgcolor="#FFFFCC" scope="row">${row.roleName}</td>
                              <td  height="39" align="center" bgcolor="#FFFFCC" scope="row"><span class="iconEdit" onclick="editRole()"></span><span class="iconDelete" onclick="delRole()"></span></td>  
                                             
                            </tr>
               </logic:iterate>
                  </logic:present>


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List list=dao.queryRole();
    HttpSession session  = request.getSession();     
    session.setAttribute("list",list);

---------------------------------------------------------------------------------
Configuration cfg = new Configuration();
cfg = cfg.configure();
SessionFactory sf = cfg.buildSessionFactory();
Session session = sf.openSession(); // autocommit false

String hql = "from Role";

Query query = session.createQuery(hql);

List list = query.list();