From e29f80387fe48e7783671996ff394c60991ae8ea Mon Sep 17 00:00:00 2001
From: loshiqi <553578653@qq.com>
Date: Tue, 10 Mar 2026 10:13:20 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E7=BB=9F=E4=B8=80=E7=94=9F?=
 =?UTF-8?q?=E6=88=90=E7=94=A8=E6=88=B7=E8=AE=A2=E5=8D=95=E7=BB=84=E6=89=8B?=
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---
 uuid.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/uuid.go b/uuid.go
index 0cbd317..38ff2da 100644
--- a/uuid.go
+++ b/uuid.go
@@ -4,6 +4,7 @@ import (
 	"crypto/rand"
 	"encoding/hex"
 	"fmt"
+	"time"
 )
 
 // Simple call
@@ -69,3 +70,13 @@ func ParseUUID(uuid string) ([]byte, error) {
 
 	return ret, nil
 }
+
+// 根据用户id获取订单号 标准时间毫秒级+user_id
+func CreateOrderSn(user_id string) string {
+	if user_id == "" {
+		user_id = GetRandomNumber(5)
+	}
+	t := time.Now()
+	order_sn := fmt.Sprintf("%s%03d%s", t.Format("20060102150405"), t.Nanosecond()/1e6, user_id)
+	return order_sn
+}