feat: batch ticket operations (close/delete/change status)

backend/routes/tickets.js

@@ -259,6 +259,32 @@ router.post('/:id/transfer', authenticate, requireRole('owner','admin'), async (
   res.json({ message: '转交成功' });
 });
 
+router.post('/batch', authenticate, requireRole('owner','admin'), async (req, res) => {
+  const { ids, action, status } = req.body;
+  if (!ids || !Array.isArray(ids) || ids.length === 0) return res.status(400).json({ error: '请选择工单' });
+  if (!['delete','status','close'].includes(action)) return res.status(400).json({ error: '无效操作' });
+  const pool = await getPool();
+  const conn = await pool.getConnection();
+  try {
+    await conn.beginTransaction();
+    for (const id of ids) {
+      if (action === 'delete') {
+        await conn.execute('DELETE FROM responses WHERE ticket_id = ?', [id]);
+        await conn.execute('DELETE FROM attachments WHERE ticket_id = ?', [id]);
+        await conn.execute('DELETE FROM ticket_transfers WHERE ticket_id = ?', [id]);
+        await conn.execute('DELETE FROM tickets WHERE id = ?', [id]);
+      } else {
+        const s = action === 'close' ? 'closed' : (status || 'closed');
+        await conn.execute('UPDATE tickets SET status = ? WHERE id = ?', [s, id]);
+        await conn.execute("INSERT INTO responses(ticket_id, user_id, content, is_staff) VALUES (?,?,?,1)", [id, req.user.id, `【批量】状态变更为: ${SL[s]||s}`]);
+      }
+    }
+    await conn.commit();
+    res.json({ message: `已处理 ${ids.length} 个工单` });
+  } catch(e) { await conn.rollback(); conn.release(); return res.status(500).json({ error: e.message }); }
+  conn.release();
+});
+
 router.post('/:id/response', authenticate, async (req, res) => {
   const { content } = req.body;
   if (!content) return res.status(400).json({ error: '内容不能为空' });