EL表达式问题？怎么获取对象的属性对象的属性对象的属性？
1、SSH的小虾米不懂是否可以获取对象的属性对象的属性对象的属性？
2、不可以的 话 用ognl表达式可以吗？
求解谢谢大虾。

list.jsp

	<table>

		<tbody>

			<tr>

				<td>序号</td>

				<td>工号</td>

				<td>姓名</td>

				<td>部门</td>

			</tr>





			<c:forEach items="${liveinfos }" var="liveinfo">

				<tr>

					<td>${liveinfo.live_id }</td>

					<td>${liveinfo.employee.emp_no }</td>

					<td>${liveinfo.employee.emp_name }</td>

					<td>${liveinfo.employee.department.dep_name }</td>

				</tr>



			</c:forEach>

		</tbody>

	</table>

Employee.hbm.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

                                   "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="cn.model">

	<class name="cn.model.Employee" table="employee">

		<cache include="all" region="cn.model.Employee" usage="read-write" />



		<id type="integer" name="emp_id" column="emp_id">

			<generator class="native" />

		</id>

		<property generated="never" length="200" name="emp_name"

			not-null="true" type="string" />

		<property generated="never" length="200" name="emp_no" type="string" />

		<many-to-one name="depart" column="depart_id"></many-to-one>

</property>

		<one-to-one name="liveinfo" />

	</class>

</hibernate-mapping>

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

                                   "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="cn.model">

 <class name="cn.model.Department" table="department">

  <cache include="all" region="cn.model.Department" usage="read-write"/>



  <id type="integer" name="dep_id" column="dep_id"><generator class="identity" /></id>

  <property generated="never" length="200" name="dep_name" column="dep_name"  type="string"/>

  <property generated="never" length="200" name="dep_shortname" column="dep_shortname"   type="string"/>

  <set name="emp_set" >

  	<key column="depart_id"></key>

  	<one-to-many class="Employee" />

  </set>

  

  

 </class>

</hibernate-mapping>

action.java

	public String list(){

		ActionContext.getContext().put("liveinfos", liveinfoService.list());



		return "list"