<html:select property="groupdeptno">
<logic:iterate id="groupdeptno" name="groupdeptno">

<html:option value="????">
<bean:write name="groupdeptno" property="groupname"/>
<bean:write name="groupdeptno" property="deptname"/>
</html:option>

</logic:iterate>
</html:select>
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html:option value=""  value值我应该怎样写呀?才能取到<bean:write name="groupdeptno" property="deptno"/>  中的值呀?