/**
  * 编辑角色
  */
 public function actionEdit()
 {
     $funcData = $this->getFuncsData();
     $role_id = $this->helpGquery('role_id');
     $role = Roles::getById($role_id);
     $role_func_list = Role_Purview::getByRoleId($role_id);
     $role_func_data = [];
     foreach ($role_func_list as $k => $v) {
         $func_id = $v['func_id'];
         $role_func_data[$func_id] = $v;
     }
     $data = array('role' => $role, 'funcData' => $funcData, 'role_func_data' => $role_func_data);
     return $this->render('edit', $data);
 }