7])->update(['username' => '6666']); $res2 = self::where(['id' => 3])->update($user); // 提交事务 Db::commit(); return ['status' => 1, 'msg' => 'success']; } catch (\Exception $e) { print_r($e->getMessage()); // 回滚事务 Db::rollback(); return ['status' => 0, 'msg' => 'fail']; } } }