请问该如何解决问题
public function index()
{
$parentId = input('.get.parent_id',0,'intval');
$categorys = $this->obj->getFirstCategorys($parentId);
return $this -> fetch('',[
'categorys' => $categorys,
]);
}
public function getFirstCategorys($parentId = 0){
$data = [
'status' => ['neq',-1], //表示不等于-1
'parent_id' => $parentId,
];
$order = [
'id' => 'desc',
];
//$result = $this->where($data)->order($order)->select();
$result = $this->where($data)->order($order)->paginate(2);//每页显示的条数
echo $this->getLastSql(); //打印sql语句
return $result;
}
