/**
  * 内容页
  */
 public function actionIndex()
 {
     $data = WaveCommon::getFilter($_GET);
     $this->page = isset($_GET['page']) ? (int) $_GET['page'] : 1;
     $pagesize = 15;
     $start = ($this->page - 1) * $pagesize;
     $Substance = new Substance();
     $this->list = $Substance->limit($start, $pagesize)->order('sid', 'desc')->getAll();
     $count = $Substance->getCount('*');
     $url = 'http://' . Wave::app()->request->hostInfo . $_SERVER['REQUEST_URI'];
     if (empty($data['page'])) {
         $url .= '?page=1';
     }
     $this->pagebar = WaveCommon::getPageBar($url, $count, $pagesize, $this->page);
 }