/**
* 删除权限
*
* @param perId
* @return
*/
public ResultVO delPermission(int perId) {
ResultVO resultVO = new ResultVO(true);
// 获取所有权限
List<Permission> permissionList = permissionDao.selectAll();
Permission permission = permissionDao.get(permissionList, perId);
if (permission == null) {
resultVO.setOk(false);
resultVO.setMsg("权限不存在");
return resultVO;
}
// 查看是否有权限
Subject subject = SecurityUtils.getSubject();
if (!subject.isPermitted(permission.getKey())) {
resultVO.setOk(false);
resultVO.setMsg("您没有操作权限");
return resultVO;
}
// 判断是否是根级权限
// 获取我拥有的权限
List<Permission> myPermissionList = new ArrayList<Permission>();
for (Permission p : permissionList) {
String key = p.getKey();
boolean permitted = subject.isPermitted(key);
if (permitted) {
myPermissionList.add(p);
}
}
List<Permission> rootPermissions = getRootPermissions(myPermissionList);
for (Permission p : rootPermissions) {
if (p.getId().intValue() == perId) {
resultVO.setOk(false);
resultVO.setMsg("根级权限不能删除");
return resultVO;
}
}
// 获取子级权限id集合
List<Integer> childrenPermissionIds = getChildrenPermissionIds(perId, permissionList);
// 删除权限
int num = permissionDao.deletePermission(perId);
for (Integer id : childrenPermissionIds) {
num = permissionDao.deletePermission(id);
if (num == 1) {
rolePermissionDao.deleteByPerId(id);
menuPermissionDao.deleteByPerId(id);
}
}
rolePermissionDao.deleteByPerId(perId);
menuPermissionDao.deleteByPerId(perId);
resultVO.setMsg("删除权限成功");
return resultVO;
}
/**
* 获取子级权限
*
* @param permissions
* @param parentId
* @return
*/
public static List<Map<String, Object>> getChildrenPermissions(
List<Permission> permissions,
Integer parentId,
Set<Integer> checkedPermissionIdSet,
List<Integer> childrenIdList) {
List<Map<String, Object>> mapList = new ArrayList<Map<String, Object>>();
for (Permission permission : permissions) {
if ((parentId == null && permission.getParentId() == null)
|| (parentId != null
&& permission.getParentId() != null
&& permission.getParentId().intValue() == parentId.intValue())) {
if (childrenIdList == null || !childrenIdList.contains(permission.getId())) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("id", permission.getId());
map.put("text", permission.getName());
map.put("key", permission.getKey());
map.put(
"checked",
checkedPermissionIdSet == null
? false
: checkedPermissionIdSet.contains(permission.getId()));
map.put("order", permission.getOrder());
map.put(
"children",
getChildrenPermissions(
permissions, permission.getId(), checkedPermissionIdSet, childrenIdList));
mapList.add(map);
}
}
}
return mapList;
}
/**
* 获取菜单显示权限
*
* @param menuId
* @return
*/
public ResultVO getMenuShowPermissions(int menuId) {
ResultVO resultVO = new ResultVO(true);
List<Map<String, Object>> mapList = new ArrayList<Map<String, Object>>();
// 获取我拥有的权限
List<Permission> myPermissionList = new ArrayList<Permission>();
// 获取所有权限
List<Permission> permissionList = permissionDao.selectAll();
Subject subject = SecurityUtils.getSubject();
for (Permission permission : permissionList) {
String key = permission.getKey();
boolean permitted = subject.isPermitted(key);
if (permitted) {
myPermissionList.add(permission);
}
}
// 获取所有菜单
List<Menu> menus = menuDao.selectAll();
Menu menu = menuDao.get(menus, menuId);
if (menu == null) {
resultVO.setOk(false);
resultVO.setMsg("菜单不存在");
return resultVO;
}
// 获取菜单拥有的权限id
Set<Integer> permissionIdSet = menuPermissionDao.selectPermissionIdSet(menuId);
List<Permission> rootPermissions = getRootPermissions(myPermissionList);
for (Permission permission : rootPermissions) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("id", permission.getId());
map.put("text", permission.getName());
map.put("key", permission.getKey());
map.put("checked", permissionIdSet.contains(permission.getId()));
map.put("order", permission.getOrder());
map.put(
"children",
getChildrenPermissions(myPermissionList, permission.getId(), permissionIdSet, null));
mapList.add(map);
}
resultVO.setData(mapList);
return resultVO;
}
private static boolean isKeyExist(List<Permission> list, String key) {
for (Permission permission : list) {
if (permission.getKey().equals(key)) {
return true;
}
}
return false;
}
/**
* 获取显示权限
*
* @return
*/
public ResultVO getShowPermissions(Integer rootId) {
ResultVO resultVO = new ResultVO(true);
List<Map<String, Object>> mapList = new ArrayList<Map<String, Object>>();
// 获取我拥有的权限
List<Permission> myPermissionList = new ArrayList<Permission>();
// 获取所有权限
List<Permission> permissionList = permissionDao.selectAll();
Subject subject = SecurityUtils.getSubject();
for (Permission permission : permissionList) {
String key = permission.getKey();
boolean permitted = subject.isPermitted(key);
if (permitted) {
myPermissionList.add(permission);
}
}
List<Integer> childrenIds = null;
if (rootId != null) {
childrenIds = getChildrenPermissionIds(rootId, permissionList);
childrenIds.add(rootId);
}
List<Permission> rootPermissions = getRootPermissions(myPermissionList);
for (Permission permission : rootPermissions) {
if (childrenIds == null || !childrenIds.contains(permission.getId())) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("id", permission.getId());
map.put("text", permission.getName());
map.put("key", permission.getKey());
map.put("order", permission.getOrder());
map.put(
"children",
getChildrenPermissions(myPermissionList, permission.getId(), null, childrenIds));
mapList.add(map);
}
}
resultVO.setData(mapList);
return resultVO;
}
// 编辑权限
public ResultVO editPermission(PermissionEditVO permissionEditVO) {
ResultVO resultVO = new ResultVO(true);
// 获取所有权限
List<Permission> permissionList = permissionDao.selectAll();
Permission permission = permissionDao.get(permissionList, permissionEditVO.getId());
if (permission == null) {
resultVO.setOk(false);
resultVO.setMsg("权限不存在");
return resultVO;
}
Permission permissionParent = permissionDao.get(permissionList, permissionEditVO.getParentId());
if (permissionParent == null) {
resultVO.setOk(false);
resultVO.setMsg("上级权限不存在");
return resultVO;
}
if (isKeyExist(permissionList, permissionEditVO.getKey())) {
if (!permission.getKey().equals(permissionEditVO.getKey())) {
resultVO.setOk(false);
resultVO.setMsg("权限键值已存在");
return resultVO;
}
}
List<Integer> childrenPermissionIds =
getChildrenPermissionIds(permissionEditVO.getId(), permissionList);
childrenPermissionIds.add(permissionEditVO.getId());
if (childrenPermissionIds.contains(permissionEditVO.getParentId())) {
resultVO.setOk(false);
resultVO.setMsg("所在权限的上级不能为自己所在权限或者下级权限");
return resultVO;
}
Permission update = new Permission();
update.setId(permissionEditVO.getId());
update.setParentId(permissionEditVO.getParentId());
update.setName(permissionEditVO.getName());
update.setKey(permissionEditVO.getKey());
update.setOrder(permissionEditVO.getOrder());
int num = permissionDao.updatePermission(update);
if (num == 1) {
resultVO.setMsg("更新权限成功");
return resultVO;
} else {
resultVO.setOk(false);
resultVO.setMsg("更新权限失败");
return resultVO;
}
}