switch ($goods['leixing']) {

                    case 1:

                        $data['type'] = 1;

                        $data['orderid'] = 'PT' . rand(000000, 999999) . time();

                        break;

                    case 2:

                        $data['type'] = 2;

                        $data['orderid'] = 'WP' . rand(000000, 999999) . time();

                        break;

                    case 3:

                        $data['type'] = 3;

                        $data['orderid'] = 'CT' . rand(000000, 999999) . time();

                        break;

                }