order('id','desc')->select(); } public function doesItExist($abbr) { return $this->where([ ["abbr", '=', $abbr], ["is_delete", '=', 0] ])->find(); } public function findByPaginate(array $params) { $where = [ ['is_delete', '=', 0] ]; return $this->where($where)->order('create_time','desc')->paginate(['list_rows'=>10, "query" => $params]); } }