在页面中有
<%
String selectDepartment_id=(String)session.getAttribute("selectDepartment_id");
System.out.println("所在系部:"+selectDepartment_id);
  %>
能取到你所选的系部内容!
<select name="select"  onChange="doSelect(this)">
                <option >--请选择系别--</option>
                <logic:iterate id="examDepartment" name="getDepartment_list" type="com.aftvc.exam.entity.Exam" >
         <option value="${examDepartment.department_id}">
         ${examDepartment.department_name}</option>
         </logic:iterate>
              </select>
从下拉列表中选一个系别,刷新页面,还保存你选的系部字段!!我放在session中 session.setAttribute("selectDepartment_id", selectDepartment_id );
可是写不出来了!!!!!!!!!!拜托各位了!!!!!1