ibatis传入list

List<Map<String , Object>> groupList = new ArrayList<Map<String , Object>>();
List<Map<String , Object>> depList = new ArrayList<Map<String , Object>>();
List<Map<String , Object>> personList = new ArrayList<Map<String , Object>>();
HashMap paramMap = new HashMap();
paramMap.put("groupList", paramGroupList);
paramMap.put("depList", paramGroupList);
paramMap.put("empList", paramPersonList);
groupList = menuListBO.getGroupAuthList(paramMap);
depList = menuListBO.getDepAuthList(paramMap);
personList = menuListBO.getPersonList(paramMap);
..................................................

<select id="selectDepAuthList" resultClass="dmap" parameterClass="java.util.HashMap">
SELECT *
FROM tt_dept
<dynamic prepend="where">
<isNotNull prepend="and">
dept_id IN
<iterate property="depList" open="(" close=")" conjunction=",">
#depList[]#
</iterate>
</isNotNull>
</dynamic>
</select>