From 7d866b851385e28552c03e4ae24140d2f4dcdac3 Mon Sep 17 00:00:00 2001
From: hant <hant@cherrybless.com>
Date: Mon, 30 Jun 2025 20:54:39 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E8=AE=A2=E5=8D=95=E7=BC=96?=
 =?UTF-8?q?=E5=8F=B7?=
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---
 application/admin/controller/Order.php | 10 +---------
 application/admin/model/Order.php      | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 9 deletions(-)

diff --git a/application/admin/controller/Order.php b/application/admin/controller/Order.php
index e8a1bde..a030bc7 100644
--- a/application/admin/controller/Order.php
+++ b/application/admin/controller/Order.php
@@ -471,15 +471,7 @@ class Order extends Backend
 
     function generateOrderNumber($prefix = '')
     {
-        // 获取当前时间戳（精确到毫秒）
-        $timestamp = microtime(true);
-        $date = date('YmdHis', (int)$timestamp);  // 格式：YYYYMMDDHHMMSS
-//        $randomNum = strtoupper(substr(md5($timestamp), 0, 4)); // 从时间戳生成一个随机字符串，取前四个字符
-        $code = str_pad(mt_rand(0, 999999), 6, '0', STR_PAD_LEFT);
-        // 组合生成的订单编号
-        $orderNumber = $prefix . $date . $code;
-        // 取 MD5 前10位
-        return substr(md5($orderNumber), 0, 10);
+        return \app\admin\model\Order::generateOrderNo();
     }
 
     use AmapTrait;
diff --git a/application/admin/model/Order.php b/application/admin/model/Order.php
index 6218187..ec0076f 100644
--- a/application/admin/model/Order.php
+++ b/application/admin/model/Order.php
@@ -3,6 +3,7 @@
 namespace app\admin\model;
 
 use app\admin\library\Auth;
+use think\Cache;
 use think\Model;
 use traits\model\SoftDelete;
 
@@ -279,4 +280,28 @@ class Order extends Model
         return $this->belongsTo(Worker::class,'worker_id',);
     }
 
+    /**
+     * 生成唯一订单号：8位纯数字（如25063001）
+     * 格式：yyMMdd + 当天自增序号
+     */
+    public static function generateOrderNo()
+    {
+        $date = date('ymd'); // 6 位日期
+        $key = 'order_inc:' . date('Ymd');
+
+        $inc = Cache::store('redis')->inc($key); // 自增
+
+        // 设置 key 过期（防止 key 永久存在）
+        $handler = Cache::store('redis')->handler();
+        $handler->expire($key, 86400); // 设置 1 天过期
+
+        if ($inc > 9999) {
+            throw new \Exception('订单号已满');
+        }
+
+        $suffix = str_pad($inc, 4, '0', STR_PAD_LEFT); // 可改为 4 位更安全
+        return $date . $suffix; // 最终结果：如 2506300001
+    }
+
+
 }