public function ajax_list()
 {
     $city_id = intval(I('get.city_id'));
     $map['city_id'] = $city_id;
     $class_list = M('HomeClass')->where($map)->select();
     $class_id_arr = array();
     foreach ($class_list as $item) {
         $class_id_arr[] = $item['class_id'];
     }
     //var_dump($class_id_arr);exit;
     $this->assign('class_id_arr', $class_id_arr);
     //$this->assign('class_list',$class_list);
     $list = M('Classify')->order('parentid asc,order_num asc,id asc')->select();
     import("Think/Tree");
     $tree = new \Think\Tree();
     $arrlist = array();
     foreach ($list as $item) {
         $tree->setNode($item['id'], $item['parentid'], $item['title'], $item['is_hidden'], $item['order_num']);
         if ($item['parentid'] > 0) {
             continue;
         }
         $arrlist[] = $item;
     }
     foreach ($arrlist as $key => $item) {
         $arrlist[$key]['list'] = $tree->getIndustryClassList($item['id']);
     }
     $this->assign('arrlist', $arrlist);
     $this->display();
 }
 public function ajax_list()
 {
     import("Think/Tree");
     $tree = new \Think\Tree();
     $list = M('Classify')->order('parentid asc,order_num asc,id asc')->select();
     $this->assign('list', $list);
     foreach ($list as $item) {
         $tree->setNode($item['id'], $item['parentid'], $item['title'], $item['is_hidden'], $item['order_num']);
     }
     $this->assign('html', $tree->getClassifyList());
     $this->display();
 }