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function orderSn1() { #date 数据可以按照自己方式设置 $order_sn = date('Ymd') . str_pad(mt_rand(1, 99999), 5, '0', STR_PAD_LEFT); return $order_sn; } function orderSn2() { $order_sn = date('Ymd').substr(implode(NULL, array_map('ord', str_split(substr(uniqid(), 7, 13), 1))), 0, 8); return $order_sn; } function orderSn3() { //日期 $order_date = date('Y-m-d'); //订单号主体 $order_id_main = date('YmdHis') . rand(10000000,99999999); //订单号长度 $order_id_len = strlen($order_id_main); $order_id_sum = 0; for($i=0; $i<$order_id_len; $i++){ $order_id_sum += (int)(substr($order_id_main,$i,1)); } //唯一订单号 $order_sn = $order_id_main . str_pad((100 - $order_id_sum % 100) % 100,2,'0',STR_PAD_LEFT); return $order_sn; } function orderSn4() { #yCode 可以按照自己的实际情况调整 $yCode = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J','I','K','L','Q','W','R','T','Y','U'); $order_sn = $yCode[intval(date('Y')) - 2022] . strtoupper(dechex(date('m'))) . date('d') . substr(time(), -5) . substr(microtime(), 2, 5) . sprintf('%02d', rand(0, 99)); return $order_sn; } var_dump(orderSn1()); var_dump(orderSn2()); var_dump(orderSn3()); var_dump(orderSn4()); |