/** * * 分类列表 */ public function index() { #1.实例化PaperService类 $PS = new PaperService(); #2.调用方法获取所有分类 $cates = $PS->getCates(); //调用packCatesPapers方法获取分类下文章数量(is_del=1表示未删除) $cates = $PS->packCatesPapers($cates, 'is_del=0,is_del=1'); #3.传递参数 //dump($cates); $this->assign('cates', $cates); $this->display('index'); }