Iterator selectedFunAuthItr = selectedFunAuths.iterator();
while (selectedFunAuthItr.hasNext()) {
Treeitem treeItem = (Treeitem) selectedFunAuthItr.next();
SimpleTreeNode node = (SimpleTreeNode) treeItem.getValue();
FunAuthForm faForm = (FunAuthForm) node.getData();
FunAuth fa = new FunAuth();
fa.setFunAuthId(faForm.getFunAuthId());
fa.setOperateAt(faForm.getOperateAt());
fa.setOperateBy(operateBy);
faDao.update(fa);
faDao.delete(fa);
}