thinkphp中where条件

         $name=trim($_GET['name']);
        $where['time'] = array('like',"$time%");
        $where['chuanname'] = array('like',"$name%");
        $where['_logic'] = 'and';
        $page=isset($_GET['page'])?$_GET['page']:1;//第几页数
        $limit = "limit ".($page-1)*$pageSize.",".$pageSize;