public function actionIndex()
{
//缓存一个带有依赖的缓存
$key = '_menu' . Yii::$app->user->id;
if (Yii::$app->session->getFlash('reflush') || !Yii::$app->cache->get($key)) {
//如果缓存依赖发生改变，重新生成缓存
$dp = new ExpressionDependency(['expression' => 'count(Yii::$app->authManager->getPermissionsByUser(Yii::$app->user->id))']);
$dp2 = new DbDependency(['sql' => 'select max(updated_at) from auth_item']);
Yii::$app->cache->set($key, 'nothing', 0, new ChainedDependency(['dependencies' => [$dp, $dp2]]));
//利用上面的缓存依赖生成菜单的永久缓存
$_list = TMenu::generateMenuByUser();
Yii::$app->cache->set('menulist-' . Yii::$app->user->id, $_list, 0);
}
return $this->render('index');
}
/**
* 生成菜单
* @return string
*/
public static function generateMenuByUser()
{
$list = TMenu::find()->where('level=1')->all();
$menu = Yii::$app->controller->renderPartial('@backend/views/home/_menu', ['list' => $list, 'admin' => Yii::$app->user->id == 1 ? true : false]);
return $menu;
}
/**
* 给角色分配权限
* @return string
*/
public function actionAssignauth()
{
if (Yii::$app->request->isPost) {
$posts = Yii::$app->request->post();
$auth = Yii::$app->authManager;
$role = $auth->getRole($posts['rolename']);
$thismenu = TMenu::findOne($posts['menuid']);
$route = $thismenu->route;
$permission = $auth->getPermission($route);
if ($posts['ck'] == 'true') {
if ($posts['level'] == 3) {
//2级菜单
$father = $thismenu->father;
$fpermission = $auth->getPermission($father->route);
$this->addChild($role, $fpermission);
//1级菜单
$this->addChild($role, $auth->getPermission($father->father->route));
}
if ($posts['level'] == 2) {
//1级菜单
$fpermission = $auth->getPermission($thismenu->father->route);
$this->addChild($role, $fpermission);
//3级菜单
$children = $thismenu->son;
foreach ($children as $son) {
$this->addChild($role, $auth->getPermission($son->route));
}
}
if ($posts['level'] == 1) {
//子子孙孙都加权限
$sons = $thismenu->son;
foreach ($sons as $son) {
$this->addChild($role, $auth->getPermission($son->route));
if ($son->level == 2) {
$gsons = $son->son;
foreach ($gsons as $gson) {
$this->addChild($role, $auth->getPermission($gson->route));
}
}
}
}
//自身加入权限
$auth->addChild($role, $permission);
} else {
if ($posts['level'] == 3 && $posts['cntlv3'] == 0) {
$father = $thismenu->father;
$auth->removeChild($role, $auth->getPermission($father->route));
if ($posts['cntlv3'] == 0) {
$auth->removeChild($role, $auth->getPermission($father->route));
}
if ($posts['cntlv2'] == 0) {
$auth->removeChild($role, $auth->getPermission($father->father->route));
}
}
if ($posts['level'] == 2) {
foreach ($thismenu->son as $son) {
$auth->removeChild($role, $auth->getPermission($son->route));
}
if ($posts['cntlv2'] == 0) {
$auth->removeChild($role, $auth->getPermission($thismenu->father->route));
}
}
if ($posts['level'] == 1) {
foreach ($thismenu->son as $son) {
$auth->removeChild($role, $auth->getPermission($son->route));
foreach ($son->son as $gson) {
$auth->removeChild($role, $auth->getPermission($gson->route));
}
}
}
//删除自身
$auth->removeChild($role, $permission);
}
}
$list = TMenu::find()->where('level=1')->all();
$rolename = Yii::$app->request->get('rolename');
$model = AuthItem::findOne($rolename);
return $this->render('assignauth', ['list' => $list, 'rolename' => $rolename, 'role' => Yii::$app->authManager->getRole($rolename), 'model' => $model]);
}
/**
* Ajax 验证菜单名称
* @return array
*/
public function actionAjaxvalidate()
{
if ($id = Yii::$app->request->post('id')) {
$model = TMenu::findOne($id);
} else {
$model = new TMenu();
}
if (Yii::$app->request->isAjax) {
$model->load(Yii::$app->request->post());
Yii::$app->response->format = Response::FORMAT_JSON;
return ActiveForm::validate($model, 'menuname');
}
}