From 2228dcebe2b847a59a4b23926afd95314719b92c Mon Sep 17 00:00:00 2001
From: zhang1106 <849185023@qq.com>
Date: Fri, 26 Dec 2025 15:17:07 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20MySQL=20=E6=95=B0=E6=8D=AE?=
 =?UTF-8?q?=E5=BA=93=E5=85=BC=E5=AE=B9=E6=80=A7=E9=97=AE=E9=A2=98=20-=20st?=
 =?UTF-8?q?rftime=20=E5=87=BD=E6=95=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 backend/db.js             | 2 +-
 backend/routes/tickets.js | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/backend/db.js b/backend/db.js
index ce1549a..11c8455 100644
--- a/backend/db.js
+++ b/backend/db.js
@@ -31,4 +31,4 @@ if (DB_TYPE === 'mysql') {
   });
 }
 
-module.exports = { sequelize };
\ No newline at end of file
+module.exports = { sequelize, DB_TYPE };
\ No newline at end of file
diff --git a/backend/routes/tickets.js b/backend/routes/tickets.js
index 9a4a178..8fc8738 100644
--- a/backend/routes/tickets.js
+++ b/backend/routes/tickets.js
@@ -5,6 +5,7 @@ const { v4: uuidv4 } = require('uuid');
 const { Ticket, TicketOperationRecord } = require('../models/ticketIndex');
 const Device = require('../models/Device');
 const User = require('../models/User');
+const { DB_TYPE } = require('../db');
 
 // 获取工单统计 (必须定义在 /:ticketId 之前)
 router.get('/stats', async (req, res) => {
@@ -50,7 +51,10 @@ router.get('/stats', async (req, res) => {
     const monthlyStats = await Ticket.findAll({
       where,
       attributes: [
-        [require('sequelize').fn('strftime', '%Y-%m', require('sequelize').col('createdAt')), 'month'],
+        [DB_TYPE === 'mysql' 
+          ? require('sequelize').fn('DATE_FORMAT', require('sequelize').col('createdAt'), '%Y-%m')
+          : require('sequelize').fn('strftime', '%Y-%m', require('sequelize').col('createdAt')), 
+          'month'],
         [require('sequelize').fn('COUNT', '*'), 'count']
       ],
       group: ['month'],