/**
  * 权限列表
  */
 public function assignAction()
 {
     $this->view->roles = $this->role->getAll();
     $this->view->roleId = (int) $this->_request->getParam('role_id');
     if ($this->view->roleId == 0) {
         $this->view->roleId = $this->view->roles[0]['role_id'];
         //获取第一个角色
     } elseif (!$this->role->idExists($this->view->roleId)) {
         $this->view->feedback(array('title' => '发生错误', 'message' => '指定的角色 ID 不存在或者已经被删除'));
     }
     $this->view->layout = array('title' => '管理后台 - 添加规则');
     $this->view->ruleGroup = $this->rule->getRuleGroup();
     $this->view->allowRules = $this->acl->getRoleAllowRule($this->view->roleId);
 }