/**
  * 列表
  *
  * @param string $sort 排序
  * @param int $page 页面
  * @param int $limit 每页记录数
  * @return array
  */
 public function actionList($sort = '', $page = 1, $limit = 20)
 {
     $link_id = \Yii::$app->request->get('link_id');
     $menu_id = \Yii::$app->request->get('menu_id');
     $url_id = \Yii::$app->request->get('url_id');
     $status = \Yii::$app->request->post('status');
     $limit = intval($limit);
     $order = ExtHelpers::getOrder($sort, ['link_id', 'url_id'], [], 'link_id DESC');
     $condition = '1';
     $params = [];
     $tabName = DpAdminMenuUrlRelation::tableName();
     $order = join(',', array_map(function ($value) use($tabName) {
         return $tabName . '.' . $value;
     }, explode(',', $order)));
     if ($link_id) {
         $condition .= ' and ' . $tabName . '.link_id=:link_id';
         $params[':link_id'] = $link_id;
     }
     if ($menu_id) {
         $condition .= ' and ' . $tabName . '.menu_id=:menu_id';
         $params[':menu_id'] = $menu_id;
     }
     if ($url_id) {
         $condition .= ' and ' . $tabName . '.url_id=:url_id';
         $params[':url_id'] = $url_id;
     }
     if (is_numeric($status)) {
         $condition .= ' and ' . $tabName . '.status=:status';
         $params[':status'] = $status;
     }
     $data = DpAdminMenuUrlRelation::getListByCondition($condition, $params, $order, $page, $limit);
     if ($data['list']) {
         foreach ($data['list'] as &$item) {
             foreach ($item['menuUrl'] as $k => $v) {
                 $item['url.' . $k] = $v;
             }
             unset($item['menuUrl']);
         }
     }
     return ['total' => $data['pagination']['totalCount'], 'list' => $data['list']];
 }