feat(机柜管理): 添加机柜数据导出功能并优化设备删除逻辑

添加机柜数据导出功能，支持Excel格式下载
在设备删除逻辑中增加网卡删除处理
调整设备ID字段为非必填且隐藏

backend/initDeviceFields.js

@@ -8,9 +8,9 @@ const defaultDeviceFields = [
     fieldName: 'deviceId',
     displayName: '设备ID',
     fieldType: 'string',
-    required: true,
+    required: false,
     order: 1,
-    visible: true,
+    visible: false,
     isSystem: true
   },
   {

backend/routes/devices.js

@@ -14,6 +14,7 @@ const DeviceField = require('../models/DeviceField');
 const Ticket = require('../models/Ticket');
 const DevicePort = require('../models/DevicePort'); // Import DevicePort
 const Cable = require('../models/Cable'); // Import Cable
+const NetworkCard = require('../models/NetworkCard'); // Import NetworkCard
 const { validateBody, validateQuery } = require('../middleware/validation');
 const {
   createDeviceSchema,
@@ -1078,19 +1079,25 @@ router.delete('/batch-delete', validateBody(batchDeviceIdsSchema), async (req, r
       transaction: t
     });
 
-    // 2. 删除相关端口 (Delete associated DevicePorts)
+    // 2. 删除相关网卡 (Delete associated NetworkCards)
+    await NetworkCard.destroy({
+      where: { deviceId: { [Op.in]: deviceIds } },
+      transaction: t
+    });
+
+    // 3. 删除相关端口 (Delete associated DevicePorts)
     await DevicePort.destroy({
       where: { deviceId: { [Op.in]: deviceIds } },
       transaction: t
     });
     
-    // 3. 解除工单关联
+    // 4. 解除工单关联
     await Ticket.update(
       { deviceId: null },
       { where: { deviceId: { [Op.in]: deviceIds } }, transaction: t }
     );
     
-    // 4. 删除设备
+    // 5. 删除设备
     const deletedCount = await Device.destroy({
       where: { deviceId: { [Op.in]: deviceIds } },
       transaction: t
@@ -1116,7 +1123,8 @@ router.delete('/batch-delete', validateBody(batchDeviceIdsSchema), async (req, r
     });
   } catch (error) {
     await t.rollback();
-    res.status(500).json({ error: error.message });
+    console.error('批量删除设备错误:', error);
+    res.status(500).json({ error: error.message, stack: error.stack });
   }
 });
 
@@ -1145,20 +1153,26 @@ router.delete('/:deviceId', async (req, res) => {
       transaction: t
     });
     
-    // 2. 删除相关端口 (Delete associated DevicePorts)
+    // 2. 删除相关网卡 (Delete associated NetworkCards)
+    const deletedNetworkCards = await NetworkCard.destroy({
+      where: { deviceId: deviceId },
+      transaction: t
+    });
+
+    // 3. 删除相关端口 (Delete associated DevicePorts)
     // 必须在删除设备之前删除，否则触发外键约束错误
     const deletedPorts = await DevicePort.destroy({
       where: { deviceId: deviceId },
       transaction: t
     });
 
-    // 3. 解除工单关联 (Unlink Tickets)
+    // 4. 解除工单关联 (Unlink Tickets)
     await Ticket.update(
       { deviceId: null },
       { where: { deviceId: deviceId }, transaction: t }
     );
     
-    // 4. 删除设备 (Delete Device)
+    // 5. 删除设备 (Delete Device)
     await Device.destroy({
       where: { deviceId: deviceId },
       transaction: t

backend/routes/racks.js

@@ -452,4 +452,101 @@ router.post('/import', async (req, res) => {
   }
 });
 
+// 导出租机柜数据
+router.get('/export', async (req, res) => {
+  try {
+    // 获取所有机柜数据（包含机房信息）
+    const racks = await Rack.findAll({
+      include: [
+        { model: Room, attributes: ['name'] },
+        { model: Device, attributes: ['deviceId', 'name', 'powerConsumption'] }
+      ],
+      order: [['rackId', 'ASC']]
+    });
+
+    // 准备导出数据
+    const exportData = racks.map(rack => {
+      const deviceCount = rack.Devices ? rack.Devices.length : 0;
+      const totalPower = rack.Devices ? rack.Devices.reduce((sum, d) => sum + (d.powerConsumption || 0), 0) : 0;
+      
+      return {
+        '机柜ID': rack.rackId,
+        '机柜名称': rack.name,
+        '所属机房': rack.Room ? rack.Room.name : '',
+        '机柜高度(U)': rack.height,
+        '最大功耗(W)': rack.maxPower,
+        '当前功耗(W)': rack.currentPower || 0,
+        '设备数量': deviceCount,
+        '设备总功耗(W)': totalPower,
+        '状态': rack.status === 'active' ? '启用' : '停用',
+        '创建时间': rack.createdAt ? new Date(rack.createdAt).toLocaleString() : ''
+      };
+    });
+
+    // 创建工作簿
+    const wb = XLSX.utils.book_new();
+    const ws = XLSX.utils.json_to_sheet(exportData);
+    
+    // 设置列宽
+    ws['!cols'] = [
+      { wch: 15 }, // 机柜ID
+      { wch: 20 }, // 机柜名称
+      { wch: 20 }, // 所属机房
+      { wch: 12 }, // 机柜高度
+      { wch: 15 }, // 最大功耗
+      { wch: 15 }, // 当前功耗
+      { wch: 12 }, // 设备数量
+      { wch: 15 }, // 设备总功耗
+      { wch: 10 }, // 状态
+      { wch: 20 }  // 创建时间
+    ];
+    
+    XLSX.utils.book_append_sheet(wb, ws, '机柜列表');
+    
+    // 生成文件名
+    const timestamp = new Date().toISOString().replace(/[:.]/g, '-').slice(0, 19);
+    const fileName = `机柜导出_${timestamp}.xlsx`;
+    
+    // 确保temp目录存在
+    const tempDir = path.join(__dirname, '../temp');
+    if (!fs.existsSync(tempDir)) {
+      fs.mkdirSync(tempDir, { recursive: true });
+    }
+    
+    const filePath = path.join(tempDir, fileName);
+    
+    // 写入文件
+    XLSX.writeFile(wb, filePath);
+    
+    // 发送文件
+    res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
+    res.setHeader('Content-Disposition', `attachment; filename*=UTF-8''${encodeURIComponent(fileName)}`);
+    
+    const fileStream = fs.createReadStream(filePath);
+    fileStream.pipe(res);
+    
+    // 发送完成后删除临时文件
+    fileStream.on('close', () => {
+      if (fs.existsSync(filePath)) {
+        fs.unlinkSync(filePath);
+      }
+    });
+    
+    fileStream.on('error', (err) => {
+      console.error('文件流错误:', err);
+      if (fs.existsSync(filePath)) {
+        fs.unlinkSync(filePath);
+      }
+    });
+    
+  } catch (error) {
+    console.error('导出租机柜数据失败:', error);
+    res.status(500).json({ 
+      success: false, 
+      message: '导出失败',
+      error: error.message 
+    });
+  }
+});
+
 module.exports = router;

frontend/src/pages/RackManagement.jsx

@@ -404,6 +404,48 @@ function RackManagement() {
     message.success('模板下载成功');
   }, []);
 
+  // 导出租机柜数据
+  const handleExport = useCallback(async () => {
+    try {
+      message.loading('正在导出租机柜数据...', 0);
+      
+      const response = await axios.get('/api/racks/export', {
+        responseType: 'blob'
+      });
+      
+      // 创建下载链接
+      const blob = new Blob([response.data], { 
+        type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' 
+      });
+      const url = window.URL.createObjectURL(blob);
+      const link = document.createElement('a');
+      link.href = url;
+      
+      // 从响应头获取文件名，或使用默认文件名
+      const contentDisposition = response.headers['content-disposition'];
+      let fileName = '机柜导出.xlsx';
+      if (contentDisposition) {
+        const match = contentDisposition.match(/filename\*?=(?:UTF-8'')?([^;]+)/);
+        if (match) {
+          fileName = decodeURIComponent(match[1].replace(/['"]/g, ''));
+        }
+      }
+      
+      link.setAttribute('download', fileName);
+      document.body.appendChild(link);
+      link.click();
+      document.body.removeChild(link);
+      window.URL.revokeObjectURL(url);
+      
+      message.destroy();
+      message.success('机柜导出成功');
+    } catch (error) {
+      message.destroy();
+      message.error('机柜导出失败');
+      console.error('机柜导出失败:', error);
+    }
+  }, []);
+
   const handleImport = useCallback(async (file) => {
     try {
       setIsImporting(true);
@@ -703,6 +745,13 @@ function RackManagement() {
             >
               导入
             </Button>
+            <Button
+              icon={<DownloadOutlined />}
+              onClick={handleExport}
+              style={actionButtonStyle}
+            >
+              导出
+            </Button>
             <Button
               type="primary"
               icon={<PlusOutlined />}