递归

public  static List<CmsDepartment> getListForSelect(List<CmsDepartment> topList) {List<CmsDepartment> list = new ArrayList<CmsDepartment>();for (CmsDepartment c : topList) {addChildToList(list, c);}return list;}/** * 递归将子部门加入列表 *  * @param list *            部门容器 * @param depart *            待添加的部门，且递归添加子部门 */private static void addChildToList(List<CmsDepartment> list, CmsDepartment depart) {list.add(depart);Set<CmsDepartment> child = depart.getChild();for (CmsDepartment c : child) {addChildToList(list, c);}}

//获取getChild数据库配置

<many-to-one name="parent" column="parent_id" class="CmsDepartment" not-null="false"></many-to-one><set name="child" inverse="true" cascade="delete"><cache usage="read-write"/><key column="parent_id"/><one-to-many class="CmsDepartment"/></set>