feat: 端口管理页面添加网卡功能和服务器背板可视化

- 在端口管理页面添加网卡管理功能，与3D可视化页面同步 - 新增 ServerBackplanePanel 组件，按真实服务器背板布局展示网卡和端口 - 支持板载网卡、管理口、PCIe扩展插槽的可视化展示 - 添加网卡-端口层级展示，点击网卡可查看端口详情 - 更新 VirtualDeviceList 组件，集成服务器背板视图
2026-01-30 17:53:05 +08:00
parent 5e3ac98bac
commit bc2f17890d
8 changed files with 2149 additions and 97 deletions
@@ -183,9 +183,13 @@ function DeviceDetailDrawer({ device, visible, onClose, cables, onRefreshCables,
  return (
    <Drawer
      title={
-        <Space>
-          <CloudServerOutlined style={{ color: designTokens.colors.primary }} />
-          <span>设备详情 - {device.name}</span>
+        <Space style={{ maxWidth: '280px', overflow: 'hidden' }}>
+          <CloudServerOutlined style={{ color: designTokens.colors.primary, flexShrink: 0 }} />
+          <span style={{
+            overflow: 'hidden',
+            textOverflow: 'ellipsis',
+            whiteSpace: 'nowrap'
+          }}>设备详情 - {device.name}</span>
        </Space>
      }
      placement="right"
@@ -0,0 +1,517 @@
+import React, { useState } from 'react';
+import { Tooltip, Badge, Divider, Pagination } from 'antd';
+import { LinkOutlined, SwapRightOutlined, AimOutlined, NodeIndexOutlined } from '@ant-design/icons';
+
+const PortPanel = ({ ports, deviceName, deviceId, cables = [], devices = [], onPortClick, compact = false }) => {
+  const [currentPage, setCurrentPage] = useState(1);
+  const [pageSize, setPageSize] = useState(48); // 默认每页48个端口
+
+  // 按端口名称排序（升序）
+  const sortedPorts = [...ports].sort((a, b) => {
+    // 尝试按数字部分排序，支持格式如：1/0/1, eth0/1, GigabitEthernet1/0/1 等
+    const extractNumbers = (str) => {
+      const matches = str.match(/\d+/g);
+      return matches ? matches.map(Number) : [];
+    };
+    
+    const numsA = extractNumbers(a.portName);
+    const numsB = extractNumbers(b.portName);
+    
+    // 逐个比较数字部分
+    for (let i = 0; i < Math.min(numsA.length, numsB.length); i++) {
+      if (numsA[i] !== numsB[i]) {
+        return numsA[i] - numsB[i];
+      }
+    }
+    
+    // 如果数字部分相同，按字符串排序
+    return a.portName.localeCompare(b.portName);
+  });
+
+  // 分页数据
+  const totalPorts = sortedPorts.length;
+  const startIndex = (currentPage - 1) * pageSize;
+  const endIndex = startIndex + pageSize;
+  const paginatedPorts = sortedPorts.slice(startIndex, endIndex);
+
+  // 获取端口状态颜色
+  const getPortStatusColor = (status) => {
+    switch (status) {
+      case 'free':
+        return '#6b7280'; // 灰色 - 空闲
+      case 'occupied':
+        return '#10b981'; // 绿色 - 占用
+      case 'fault':
+        return '#ef4444'; // 红色 - 故障
+      case 'disabled':
+        return '#374151'; // 深灰色 - 禁用
+      default:
+        return '#6b7280';
+    }
+  };
+
+  // 获取端口状态文本
+  const getPortStatusText = (status) => {
+    switch (status) {
+      case 'free':
+        return '空闲';
+      case 'occupied':
+        return '已连接';
+      case 'fault':
+        return '故障';
+      case 'disabled':
+        return '禁用';
+      default:
+        return '空闲';
+    }
+  };
+
+  // 获取端口类型图标 - 使用更真实的端口符号
+  const getPortTypeIcon = (portType) => {
+    switch (portType) {
+      case 'RJ45':
+        return '⬡'; // 六边形表示网口
+      case 'SFP':
+      case 'SFP+':
+      case 'SFP28':
+        return '▭'; // 矩形表示SFP
+      case 'QSFP':
+      case 'QSFP28':
+        return '▯'; // 宽矩形表示QSFP
+      default:
+        return '⬡';
+    }
+  };
+
+  // 获取简化端口显示名称（只显示数字）
+  const getPortDisplayName = (portName) => {
+    // 提取最后的数字
+    const match = portName.match(/(\d+)$/);
+    if (match) {
+      return match[1];
+    }
+    // 如果没有数字，返回原名称
+    return portName;
+  };
+
+  // 获取线缆类型文本
+  const getCableTypeText = (cableType) => {
+    const typeMap = {
+      'ethernet': '网线',
+      'fiber': '光纤',
+      'copper': '铜缆',
+      'power': '电源线'
+    };
+    return typeMap[cableType] || cableType || '未知';
+  };
+
+  // 获取线缆类型颜色
+  const getCableTypeColor = (cableType) => {
+    const colorMap = {
+      'ethernet': '#52c41a',
+      'fiber': '#1890ff',
+      'copper': '#faad14',
+      'power': '#ff4d4f'
+    };
+    return colorMap[cableType] || '#999';
+  };
+
+  // 查找端口关联的接线
+  const findPortCable = (port) => {
+    if (!cables || cables.length === 0) return null;
+    
+    return cables.find(cable => 
+      (cable.sourceDeviceId === deviceId && cable.sourcePortId === port.portId) ||
+      (cable.targetDeviceId === deviceId && cable.targetPortId === port.portId) ||
+      (cable.sourceDeviceId === deviceId && cable.sourcePort === port.portName) ||
+      (cable.targetDeviceId === deviceId && cable.targetPort === port.portName)
+    );
+  };
+
+  // 获取连接的对端信息
+  const getPeerInfo = (cable, currentPort) => {
+    if (!cable) return null;
+    
+    const isSource = cable.sourceDeviceId === deviceId || 
+                     (cable.sourcePortId && cable.sourcePortId === currentPort.portId) ||
+                     cable.sourcePort === currentPort.portName;
+    
+    if (isSource) {
+      // 当前是源端，返回目标端信息
+      const targetDevice = devices.find(d => d.deviceId === cable.targetDeviceId);
+      return {
+        deviceName: targetDevice?.name || cable.targetDeviceId,
+        deviceId: cable.targetDeviceId,
+        portName: cable.targetPort || cable.targetPortId,
+        direction: 'out'
+      };
+    } else {
+      // 当前是目标端，返回源端信息
+      const sourceDevice = devices.find(d => d.deviceId === cable.sourceDeviceId);
+      return {
+        deviceName: sourceDevice?.name || cable.sourceDeviceId,
+        deviceId: cable.sourceDeviceId,
+        portName: cable.sourcePort || cable.sourcePortId,
+        direction: 'in'
+      };
+    }
+  };
+
+  // 渲染端口详情提示
+  const renderPortTooltip = (port) => {
+    const cable = findPortCable(port);
+    const peerInfo = cable ? getPeerInfo(cable, port) : null;
+    
+    return (
+      <div style={{ padding: '8px 4px', minWidth: '220px' }}>
+        {/* 端口基本信息 */}
+        <div style={{ fontWeight: 600, fontSize: 14, marginBottom: 8, borderBottom: '1px solid rgba(255,255,255,0.2)', paddingBottom: 4 }}>
+          <NodeIndexOutlined style={{ marginRight: 6 }} />
+          {port.portName}
+        </div>
+        <div style={{ fontSize: 12, lineHeight: '1.8' }}>
+          <div><span style={{ opacity: 0.7 }}>端口类型:</span> {port.portType}</div>
+          <div><span style={{ opacity: 0.7 }}>端口速率:</span> {port.portSpeed}</div>
+          <div><span style={{ opacity: 0.7 }}>状态:</span> 
+            <span style={{ 
+              color: getPortStatusColor(port.status),
+              marginLeft: 4,
+              fontWeight: 500
+            }}>
+              {getPortStatusText(port.status)}
+            </span>
+          </div>
+          {port.vlanId && <div><span style={{ opacity: 0.7 }}>VLAN:</span> {port.vlanId}</div>}
+          {port.description && <div><span style={{ opacity: 0.7 }}>描述:</span> {port.description}</div>}
+        </div>
+
+        {/* 接线信息 */}
+        {cable && peerInfo && (
+          <>
+            <Divider style={{ margin: '12px 0', borderColor: 'rgba(255,255,255,0.1)' }} />
+            <div style={{ fontWeight: 600, fontSize: 13, marginBottom: 8, color: '#69c0ff' }}>
+              <LinkOutlined style={{ marginRight: 6 }} />
+              接线详情
+            </div>
+            <div style={{ fontSize: 12, lineHeight: '1.8' }}>
+              {/* 线缆类型和长度 */}
+              <div style={{ marginBottom: 6 }}>
+                <span style={{ 
+                  display: 'inline-block',
+                  padding: '2px 8px',
+                  borderRadius: '4px',
+                  background: getCableTypeColor(cable.cableType) + '20',
+                  color: getCableTypeColor(cable.cableType),
+                  fontSize: '11px',
+                  fontWeight: 500
+                }}>
+                  {getCableTypeText(cable.cableType)}
+                </span>
+                {cable.cableLength && (
+                  <span style={{ marginLeft: 8, opacity: 0.8 }}>
+                    {cable.cableLength}m
+                  </span>
+                )}
+              </div>
+              
+              {/* 连接方向 */}
+              <div style={{ 
+                display: 'flex', 
+                alignItems: 'center', 
+                gap: '8px',
+                padding: '8px',
+                background: 'rgba(255,255,255,0.05)',
+                borderRadius: '6px',
+                marginTop: '8px'
+              }}>
+                <div style={{ textAlign: 'center' }}>
+                  <div style={{ 
+                    width: '32px', 
+                    height: '32px', 
+                    borderRadius: '50%', 
+                    background: peerInfo.direction === 'out' ? '#52c41a20' : '#1890ff20',
+                    display: 'flex',
+                    alignItems: 'center',
+                    justifyContent: 'center',
+                    fontSize: '14px'
+                  }}>
+                    {peerInfo.direction === 'out' ? '📤' : '📥'}
+                  </div>
+                  <div style={{ fontSize: '10px', marginTop: '2px', opacity: 0.6 }}>
+                    {peerInfo.direction === 'out' ? '输出' : '输入'}
+                  </div>
+                </div>
+                
+                <div style={{ flex: 1 }}>
+                  <div style={{ fontWeight: 500, color: '#fff' }}>
+                    {peerInfo.deviceName}
+                  </div>
+                  <div style={{ fontSize: '11px', opacity: 0.7 }}>
+                    端口: {peerInfo.portName}
+                  </div>
+                  <div style={{ fontSize: '10px', opacity: 0.5 }}>
+                    ID: {peerInfo.deviceId}
+                  </div>
+                </div>
+              </div>
+
+              {/* 线缆标签/备注 */}
+              {cable.label && (
+                <div style={{ marginTop: 8, opacity: 0.8 }}>
+                  <span style={{ opacity: 0.7 }}>标签:</span> {cable.label}
+                </div>
+              )}
+              {cable.notes && (
+                <div style={{ marginTop: 4, opacity: 0.8 }}>
+                  <span style={{ opacity: 0.7 }}>备注:</span> {cable.notes}
+                </div>
+              )}
+            </div>
+          </>
+        )}
+
+        {/* 空闲端口提示 */}
+        {port.status === 'free' && !cable && (
+          <>
+            <Divider style={{ margin: '12px 0', borderColor: 'rgba(255,255,255,0.1)' }} />
+            <div style={{ fontSize: 12, opacity: 0.6, textAlign: 'center', padding: '4px 0' }}>
+              <AimOutlined style={{ marginRight: 4 }} />
+              端口空闲，暂无接线
+            </div>
+          </>
+        )}
+      </div>
+    );
+  };
+
+  return (
+    <div style={{
+      background: 'linear-gradient(145deg, #1e293b 0%, #0f172a 100%)',
+      borderRadius: compact ? '12px' : '16px',
+      padding: compact ? '16px' : '24px',
+      boxShadow: '0 25px 50px -12px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1)',
+      border: '1px solid rgba(255, 255, 255, 0.1)'
+    }}>
+      {/* 设备标题 - compact 模式下隐藏 */}
+      {!compact && (
+        <div style={{
+          display: 'flex',
+          alignItems: 'center',
+          justifyContent: 'space-between',
+          marginBottom: '20px',
+          paddingBottom: '16px',
+          borderBottom: '1px solid rgba(255, 255, 255, 0.1)'
+        }}>
+          <div style={{ display: 'flex', alignItems: 'center', gap: '12px' }}>
+            <div style={{
+              width: '40px',
+              height: '40px',
+              borderRadius: '10px',
+              background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
+              display: 'flex',
+              alignItems: 'center',
+              justifyContent: 'center',
+              fontSize: '20px'
+            }}>
+              🔌
+            </div>
+            <div>
+              <div style={{ fontSize: '16px', fontWeight: 600, color: '#fff' }}>
+                {deviceName || '交换机'}
+              </div>
+              <div style={{ fontSize: '12px', color: 'rgba(255,255,255,0.5)', marginTop: '2px' }}>
+                {sortedPorts.length} 个端口
+              </div>
+            </div>
+          </div>
+          
+          {/* 状态图例 */}
+          <div style={{ display: 'flex', gap: '16px' }}>
+            <div style={{ display: 'flex', alignItems: 'center', gap: '6px' }}>
+              <div style={{
+                width: '8px',
+                height: '8px',
+                borderRadius: '50%',
+                background: '#6b7280',
+                boxShadow: '0 0 8px #6b7280'
+              }} />
+              <span style={{ fontSize: '12px', color: 'rgba(255,255,255,0.6)' }}>空闲</span>
+            </div>
+            <div style={{ display: 'flex', alignItems: 'center', gap: '6px' }}>
+              <div style={{
+                width: '8px',
+                height: '8px',
+                borderRadius: '50%',
+                background: '#10b981',
+                boxShadow: '0 0 8px #10b981'
+              }} />
+              <span style={{ fontSize: '12px', color: 'rgba(255,255,255,0.6)' }}>已连接</span>
+            </div>
+            <div style={{ display: 'flex', alignItems: 'center', gap: '6px' }}>
+              <div style={{
+                width: '8px',
+                height: '8px',
+                borderRadius: '50%',
+                background: '#ef4444',
+                boxShadow: '0 0 8px #ef4444'
+              }} />
+              <span style={{ fontSize: '12px', color: 'rgba(255,255,255,0.6)' }}>故障</span>
+            </div>
+          </div>
+        </div>
+      )}
+
+      {/* 端口网格 - 固定每行24个端口 */}
+      <div style={{
+        display: 'grid',
+        gridTemplateColumns: 'repeat(24, 1fr)',
+        gap: '8px',
+        padding: '16px',
+        background: 'rgba(0, 0, 0, 0.3)',
+        borderRadius: '12px',
+        border: '1px solid rgba(255, 255, 255, 0.05)'
+      }}>
+        {paginatedPorts.map((port) => {
+          const statusColor = getPortStatusColor(port.status);
+          const isClickable = onPortClick && port.status !== 'disabled';
+          const cable = findPortCable(port);
+          
+          return (
+            <Tooltip 
+              key={port.portId} 
+              title={renderPortTooltip(port)}
+              placement="top"
+              color="#1e293b"
+              overlayStyle={{ 
+                borderRadius: '8px',
+                border: '1px solid rgba(255, 255, 255, 0.1)'
+              }}
+            >
+              <div
+                onClick={() => isClickable && onPortClick(port)}
+                style={{
+                  display: 'flex',
+                  flexDirection: 'column',
+                  alignItems: 'center',
+                  padding: '4px',
+                  cursor: isClickable ? 'pointer' : 'not-allowed',
+                  transition: 'all 0.2s ease',
+                  position: 'relative',
+                  minWidth: '0'
+                }}
+              >
+                {/* LED 指示灯 - 在端口上方 */}
+                <div style={{
+                  width: '6px',
+                  height: '6px',
+                  borderRadius: '50%',
+                  background: statusColor,
+                  boxShadow: `0 0 6px ${statusColor}, 0 0 12px ${statusColor}50`,
+                  marginBottom: '4px',
+                  animation: port.status === 'fault' ? 'pulse 1.5s infinite' : 'none'
+                }} />
+                
+                {/* 端口主体 - 矩形样式 */}
+                <div style={{
+                  width: '100%',
+                  aspectRatio: '1 / 1.2',
+                  background: 'linear-gradient(180deg, #2a3441 0%, #1e2530 100%)',
+                  border: `2px solid ${statusColor}`,
+                  borderRadius: '2px',
+                  display: 'flex',
+                  alignItems: 'center',
+                  justifyContent: 'center',
+                  position: 'relative',
+                  boxShadow: `inset 0 1px 0 rgba(255,255,255,0.1), 0 2px 4px rgba(0,0,0,0.3)`
+                }}>
+                  {/* 端口内部图标 */}
+                  <div style={{
+                    fontSize: '10px',
+                    color: statusColor,
+                    opacity: 0.8
+                  }}>
+                    {getPortTypeIcon(port.portType)}
+                  </div>
+                  
+                  {/* 接线指示标记 */}
+                  {cable && (
+                    <div style={{
+                      position: 'absolute',
+                      top: '1px',
+                      right: '1px',
+                      width: '4px',
+                      height: '4px',
+                      borderRadius: '50%',
+                      background: getCableTypeColor(cable.cableType),
+                      boxShadow: `0 0 3px ${getCableTypeColor(cable.cableType)}`
+                    }} />
+                  )}
+                </div>
+                
+                {/* 端口名称 - 在端口下方 */}
+                <div style={{
+                  fontSize: '9px',
+                  fontWeight: 500,
+                  color: 'rgba(255, 255, 255, 0.7)',
+                  textAlign: 'center',
+                  marginTop: '3px',
+                  whiteSpace: 'nowrap',
+                  overflow: 'hidden',
+                  textOverflow: 'ellipsis',
+                  maxWidth: '100%'
+                }}>
+                  {getPortDisplayName(port.portName)}
+                </div>
+              </div>
+            </Tooltip>
+          );
+        })}
+      </div>
+
+      {/* 分页 */}
+      {totalPorts > pageSize && (
+        <div style={{
+          display: 'flex',
+          justifyContent: 'center',
+          padding: '16px 0 0 0',
+          borderTop: '1px solid rgba(255, 255, 255, 0.1)',
+          marginTop: '16px'
+        }}>
+          <Pagination
+            current={currentPage}
+            total={totalPorts}
+            pageSize={pageSize}
+            onChange={(page, size) => {
+              setCurrentPage(page);
+              if (size) setPageSize(size);
+            }}
+            showSizeChanger
+            showQuickJumper
+            showTotal={(total) => `共 ${total} 个端口`}
+            pageSizeOptions={['24', '48', '96']}
+            size="small"
+            style={{
+              color: 'rgba(255, 255, 255, 0.8)'
+            }}
+          />
+        </div>
+      )}
+
+      {/* 添加脉冲动画 */}
+      <style>{`
+        @keyframes pulse {
+          0%, 100% {
+            opacity: 1;
+            box-shadow: 0 0 10px #ef4444, 0 0 20px #ef444450;
+          }
+          50% {
+            opacity: 0.5;
+            box-shadow: 0 0 5px #ef4444, 0 0 10px #ef444450;
+          }
+        }
+      `}</style>
+    </div>
+  );
+};
+
+export default PortPanel;
@@ -0,0 +1,590 @@
+import React, { useState, useEffect, useCallback } from 'react';
+import { Badge, Space, Typography, Spin, Empty, Button, Tooltip, Tag, Modal } from 'antd';
+import {
+  CloudServerOutlined,
+  PlusOutlined,
+  ReloadOutlined,
+  ApiOutlined,
+  ThunderboltOutlined,
+  DesktopOutlined,
+  UsbOutlined,
+  MonitorOutlined,
+  SettingOutlined
+} from '@ant-design/icons';
+import PortPanel from './PortPanel';
+import axios from 'axios';
+
+const { Text } = Typography;
+
+const designTokens = {
+  colors: {
+    primary: { main: '#667eea', gradient: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)' },
+    success: '#10b981',
+    error: '#ef4444',
+    warning: '#f59e0b',
+    metal: { light: '#9ca3af', DEFAULT: '#6b7280', dark: '#4b5563' },
+    slot: { empty: '#d1d5db', occupied: '#3b82f6' }
+  }
+};
+
+/**
+ * 服务器背板可视化组件
+ * 按照真实服务器背板布局展示网卡和端口
+ *
+ * @param {string} deviceId - 设备ID
+ * @param {string} deviceName - 设备名称
+ * @param {Object[]} cables - 接线列表
+ * @param {Object[]} allDevices - 所有设备列表
+ * @param {Function} onPortClick - 端口点击回调
+ * @param {Function} onManageNetworkCards - 网卡管理回调
+ */
+const ServerBackplanePanel = ({
+  deviceId,
+  deviceName,
+  cables,
+  allDevices,
+  onPortClick,
+  onManageNetworkCards
+}) => {
+  const [cards, setCards] = useState([]);
+  const [loading, setLoading] = useState(false);
+  const [selectedSlot, setSelectedSlot] = useState(null);
+
+  // 获取网卡及端口数据
+  const fetchData = useCallback(async () => {
+    if (!deviceId) return;
+
+    try {
+      setLoading(true);
+      const response = await axios.get(`/api/network-cards/device/${deviceId}/with-ports`);
+      const cardsData = response.data || [];
+      setCards(cardsData);
+    } catch (error) {
+      console.error('获取网卡数据失败:', error);
+      setCards([]);
+    } finally {
+      setLoading(false);
+    }
+  }, [deviceId]);
+
+  useEffect(() => {
+    fetchData();
+  }, [fetchData]);
+
+  // 按类型和槽位号对网卡进行分类
+  const categorizeCards = () => {
+    const onboard = []; // 板载网卡
+    const management = []; // 管理口
+    const expansionSlots = []; // 扩展插槽
+
+    cards.forEach(card => {
+      const slotNum = card.slotNumber;
+      const name = (card.name || '').toLowerCase();
+
+      // 判断网卡类型
+      if (name.includes('idrac') || name.includes('ilo') || name.includes('bmc') || name.includes('mgmt') || name.includes('管理')) {
+        management.push({ ...card, type: 'management' });
+      } else if (slotNum === 0 || name.includes('onboard') || name.includes('板载') || name.includes('内置')) {
+        onboard.push({ ...card, type: 'onboard' });
+      } else {
+        expansionSlots.push({ ...card, type: 'expansion', slotIndex: slotNum });
+      }
+    });
+
+    // 按槽位号排序扩展插槽
+    expansionSlots.sort((a, b) => (a.slotNumber || 0) - (b.slotNumber || 0));
+
+    return { onboard, management, expansionSlots };
+  };
+
+  const { onboard, management, expansionSlots } = categorizeCards();
+
+  // 渲染管理口区域（左侧）
+  const renderManagementArea = () => {
+    const mgmtCard = management[0];
+
+    return (
+      <div
+        style={{
+          width: '80px',
+          background: 'linear-gradient(180deg, #374151 0%, #1f2937 100%)',
+          borderRadius: '4px',
+          padding: '8px 4px',
+          display: 'flex',
+          flexDirection: 'column',
+          alignItems: 'center',
+          gap: '6px',
+          border: '2px solid #4b5563',
+          boxShadow: 'inset 0 1px 0 rgba(255,255,255,0.1)'
+        }}
+      >
+        <div style={{ fontSize: '10px', color: '#9ca3af', fontWeight: 600 }}>MGMT</div>
+        {mgmtCard ? (
+          <div
+            onClick={() => setSelectedSlot(mgmtCard)}
+            style={{
+              width: '48px',
+              height: '48px',
+              background: 'linear-gradient(145deg, #1f2937 0%, #111827 100%)',
+              borderRadius: '4px',
+              border: `2px solid ${mgmtCard.ports?.length > 0 ? designTokens.colors.success : '#6b7280'}`,
+              display: 'flex',
+              flexDirection: 'column',
+              alignItems: 'center',
+              justifyContent: 'center',
+              cursor: 'pointer',
+              transition: 'all 0.2s',
+              boxShadow: '0 2px 4px rgba(0,0,0,0.3)'
+            }}
+          >
+            <SettingOutlined style={{ fontSize: 16, color: '#10b981' }} />
+            <span style={{ fontSize: '9px', color: '#9ca3af', marginTop: 2 }}>
+              {mgmtCard.ports?.length || 0}口
+            </span>
+          </div>
+        ) : (
+          <div
+            style={{
+              width: '48px',
+              height: '48px',
+              background: '#374151',
+              borderRadius: '4px',
+              border: '2px dashed #6b7280',
+              display: 'flex',
+              alignItems: 'center',
+              justifyContent: 'center'
+            }}
+          >
+            <PlusOutlined style={{ fontSize: 14, color: '#6b7280' }} />
+          </div>
+        )}
+
+        {/* 其他接口占位 */}
+        <div style={{ width: '48px', height: '24px', background: '#1f2937', borderRadius: '2px', border: '1px solid #4b5563' }}>
+          <Text style={{ fontSize: '8px', color: '#6b7280', display: 'block', textAlign: 'center', lineHeight: '22px' }}>VGA</Text>
+        </div>
+        <div style={{ width: '48px', height: '16px', background: '#1f2937', borderRadius: '2px', border: '1px solid #4b5563' }}>
+          <Text style={{ fontSize: '8px', color: '#6b7280', display: 'block', textAlign: 'center', lineHeight: '14px' }}>USB</Text>
+        </div>
+      </div>
+    );
+  };
+
+  // 渲染板载网卡区域
+  const renderOnboardArea = () => {
+    const onboardCard = onboard[0];
+
+    return (
+      <div
+        style={{
+          flex: 1,
+          background: 'linear-gradient(180deg, #4b5563 0%, #374151 100%)',
+          borderRadius: '4px',
+          padding: '12px',
+          border: '2px solid #6b7280',
+          boxShadow: 'inset 0 1px 0 rgba(255,255,255,0.1)'
+        }}
+      >
+        <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', marginBottom: '8px' }}>
+          <Text style={{ fontSize: '11px', color: '#d1d5db', fontWeight: 600 }}>板载网卡 (Onboard)</Text>
+          {onboardCard && (
+            <Badge
+              count={onboardCard.ports?.length || 0}
+              style={{ backgroundColor: designTokens.colors.primary.main }}
+            />
+          )}
+        </div>
+
+        {onboardCard ? (
+          <div
+            onClick={() => setSelectedSlot(onboardCard)}
+            style={{
+              background: 'linear-gradient(145deg, #1f2937 0%, #111827 100%)',
+              borderRadius: '6px',
+              padding: '12px',
+              border: `2px solid ${onboardCard.ports?.length > 0 ? designTokens.colors.primary.main : '#6b7280'}`,
+              cursor: 'pointer',
+              transition: 'all 0.2s'
+            }}
+          >
+            {/* 4个RJ45端口布局 */}
+            <div style={{ display: 'flex', gap: '12px', justifyContent: 'center' }}>
+              {[0, 1, 2, 3].map((idx) => {
+                const port = onboardCard.ports?.[idx];
+                const hasPort = !!port;
+                const isOccupied = hasPort && port.status === 'occupied';
+
+                return (
+                  <Tooltip key={idx} title={hasPort ? `${port.portName} - ${port.status}` : '未配置'}>
+                    <div
+                      style={{
+                        width: '40px',
+                        height: '32px',
+                        background: hasPort
+                          ? 'linear-gradient(180deg, #374151 0%, #1f2937 100%)'
+                          : '#374151',
+                        borderRadius: '4px',
+                        border: `2px solid ${hasPort
+                          ? (isOccupied ? designTokens.colors.success : designTokens.colors.metal.light)
+                          : '#4b5563'
+                        }`,
+                        display: 'flex',
+                        flexDirection: 'column',
+                        alignItems: 'center',
+                        justifyContent: 'center',
+                        position: 'relative'
+                      }}
+                    >
+                      {/* LED指示灯 */}
+                      <div
+                        style={{
+                          width: '4px',
+                          height: '4px',
+                          borderRadius: '50%',
+                          background: hasPort
+                            ? (isOccupied ? '#10b981' : '#6b7280')
+                            : '#374151',
+                          position: 'absolute',
+                          top: '2px',
+                          right: '2px',
+                          boxShadow: isOccupied ? '0 0 4px #10b981' : 'none'
+                        }}
+                      />
+                      <span style={{ fontSize: '8px', color: '#9ca3af' }}>⬡</span>
+                      <span style={{ fontSize: '7px', color: '#6b7280', marginTop: '1px' }}>
+                        {hasPort ? idx + 1 : '-'}
+                      </span>
+                    </div>
+                  </Tooltip>
+                );
+              })}
+            </div>
+          </div>
+        ) : (
+          <div
+            onClick={onManageNetworkCards}
+            style={{
+              background: '#374151',
+              borderRadius: '6px',
+              padding: '20px',
+              border: '2px dashed #6b7280',
+              display: 'flex',
+              flexDirection: 'column',
+              alignItems: 'center',
+              justifyContent: 'center',
+              cursor: 'pointer',
+              gap: '8px'
+            }}
+          >
+            <PlusOutlined style={{ fontSize: 20, color: '#6b7280' }} />
+            <Text style={{ fontSize: '11px', color: '#9ca3af' }}>添加板载网卡</Text>
+          </div>
+        )}
+      </div>
+    );
+  };
+
+  // 渲染扩展插槽区域
+  const renderExpansionSlots = () => {
+    // 标准2U服务器通常有4-8个PCIe插槽
+    const totalSlots = 6;
+    const slots = [];
+
+    for (let i = 1; i <= totalSlots; i++) {
+      const card = expansionSlots.find(c => c.slotNumber === i);
+      slots.push({ slotNumber: i, card });
+    }
+
+    return (
+      <div
+        style={{
+          flex: 1.5,
+          background: 'linear-gradient(180deg, #4b5563 0%, #374151 100%)',
+          borderRadius: '4px',
+          padding: '12px',
+          border: '2px solid #6b7280',
+          boxShadow: 'inset 0 1px 0 rgba(255,255,255,0.1)'
+        }}
+      >
+        <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', marginBottom: '8px' }}>
+          <Text style={{ fontSize: '11px', color: '#d1d5db', fontWeight: 600 }}>PCIe 扩展插槽</Text>
+          <Space size={4}>
+            <Badge count={expansionSlots.length} style={{ backgroundColor: designTokens.colors.primary.main }} />
+            <Text style={{ fontSize: '10px', color: '#9ca3af' }}>/{totalSlots}</Text>
+          </Space>
+        </div>
+
+        <div style={{ display: 'flex', gap: '8px', flexWrap: 'wrap' }}>
+          {slots.map(({ slotNumber, card }) => (
+            <Tooltip
+              key={slotNumber}
+              title={card ? `${card.name} (${card.ports?.length || 0}口)` : `插槽 ${slotNumber} (空闲)`}
+            >
+              <div
+                onClick={() => card && setSelectedSlot(card)}
+                style={{
+                  width: '70px',
+                  height: '90px',
+                  background: card
+                    ? 'linear-gradient(145deg, #1f2937 0%, #111827 100%)'
+                    : '#374151',
+                  borderRadius: '4px',
+                  border: `2px solid ${card ? designTokens.colors.slot.occupied : designTokens.colors.slot.empty}`,
+                  display: 'flex',
+                  flexDirection: 'column',
+                  alignItems: 'center',
+                  justifyContent: 'space-between',
+                  padding: '6px',
+                  cursor: card ? 'pointer' : 'default',
+                  transition: 'all 0.2s',
+                  boxShadow: card ? '0 2px 8px rgba(59, 130, 246, 0.3)' : 'none'
+                }}
+              >
+                <Text style={{ fontSize: '9px', color: '#6b7280', fontWeight: 600 }}>Slot {slotNumber}</Text>
+
+                {card ? (
+                  <>
+                    <CloudServerOutlined style={{ fontSize: 20, color: '#3b82f6' }} />
+                    <div style={{ display: 'flex', gap: '2px', flexWrap: 'wrap', justifyContent: 'center' }}>
+                      {card.ports?.slice(0, 4).map((port, idx) => (
+                        <div
+                          key={idx}
+                          style={{
+                            width: '8px',
+                            height: '8px',
+                            borderRadius: '1px',
+                            background: port.status === 'occupied' ? '#10b981' : '#6b7280',
+                            boxShadow: port.status === 'occupied' ? '0 0 2px #10b981' : 'none'
+                          }}
+                        />
+                      ))}
+                      {card.ports?.length > 4 && (
+                        <Text style={{ fontSize: '8px', color: '#9ca3af' }}>+{card.ports.length - 4}</Text>
+                      )}
+                    </div>
+                    <Text style={{ fontSize: '8px', color: '#9ca3af' }}>{card.ports?.length || 0}口</Text>
+                  </>
+                ) : (
+                  <>
+                    <div style={{ width: '40px', height: '40px', border: '2px dashed #4b5563', borderRadius: '4px' }} />
+                    <Text style={{ fontSize: '8px', color: '#6b7280' }}>空闲</Text>
+                  </>
+                )}
+              </div>
+            </Tooltip>
+          ))}
+        </div>
+      </div>
+    );
+  };
+
+  // 渲染电源区域（右侧）
+  const renderPowerArea = () => {
+    return (
+      <div
+        style={{
+          width: '100px',
+          background: 'linear-gradient(180deg, #374151 0%, #1f2937 100%)',
+          borderRadius: '4px',
+          padding: '8px',
+          border: '2px solid #4b5563',
+          display: 'flex',
+          flexDirection: 'column',
+          gap: '8px'
+        }}
+      >
+        <Text style={{ fontSize: '10px', color: '#9ca3af', fontWeight: 600, textAlign: 'center' }}>电源</Text>
+        {[1, 2].map((psu) => (
+          <div
+            key={psu}
+            style={{
+              flex: 1,
+              background: 'linear-gradient(145deg, #1f2937 0%, #111827 100%)',
+              borderRadius: '4px',
+              border: '2px solid #10b981',
+              display: 'flex',
+              flexDirection: 'column',
+              alignItems: 'center',
+              justifyContent: 'center',
+              gap: '4px'
+            }}
+          >
+            <ThunderboltOutlined style={{ fontSize: 20, color: '#10b981' }} />
+            <Text style={{ fontSize: '9px', color: '#10b981' }}>PSU {psu}</Text>
+            <div
+              style={{
+                width: '6px',
+                height: '6px',
+                borderRadius: '50%',
+                background: '#10b981',
+                boxShadow: '0 0 6px #10b981'
+              }}
+            />
+          </div>
+        ))}
+      </div>
+    );
+  };
+
+  if (loading) {
+    return (
+      <div style={{ textAlign: 'center', padding: '40px' }}>
+        <Spin size="large" tip="加载背板数据中..." />
+      </div>
+    );
+  }
+
+  return (
+    <div style={{ display: 'flex', flexDirection: 'column', gap: '12px' }}>
+      {/* 工具栏 */}
+      <div
+        style={{
+          display: 'flex',
+          justifyContent: 'space-between',
+          alignItems: 'center',
+          padding: '8px 12px',
+          background: '#f8fafc',
+          borderRadius: '8px',
+          border: '1px solid #e2e8f0'
+        }}
+      >
+        <Space>
+          <Badge count={cards.filter(c => !c.isUngrouped).length} style={{ backgroundColor: designTokens.colors.primary.main }} />
+          <Text type="secondary" style={{ fontSize: '13px' }}>个网卡</Text>
+          <Badge
+            count={cards.reduce((acc, card) => acc + (card.ports?.length || 0), 0)}
+            style={{ backgroundColor: '#667eea' }}
+          />
+          <Text type="secondary" style={{ fontSize: '13px' }}>个端口</Text>
+        </Space>
+        <Space>
+          <Button size="small" icon={<ReloadOutlined />} onClick={fetchData}>
+            刷新
+          </Button>
+          <Button
+            type="primary"
+            size="small"
+            icon={<CloudServerOutlined />}
+            onClick={onManageNetworkCards}
+            style={{ background: designTokens.colors.primary.gradient, border: 'none' }}
+          >
+            网卡管理
+          </Button>
+        </Space>
+      </div>
+
+      {/* 服务器背板主体 */}
+      <div
+        style={{
+          background: 'linear-gradient(180deg, #6b7280 0%, #4b5563 100%)',
+          borderRadius: '8px',
+          padding: '16px',
+          border: '3px solid #374151',
+          boxShadow: 'inset 0 2px 4px rgba(0,0,0,0.2), 0 4px 12px rgba(0,0,0,0.3)'
+        }}
+      >
+        {/* 服务器标识 */}
+        <div
+          style={{
+            display: 'flex',
+            alignItems: 'center',
+            justifyContent: 'center',
+            marginBottom: '12px',
+            padding: '6px 12px',
+            background: 'rgba(0,0,0,0.3)',
+            borderRadius: '4px'
+          }}
+        >
+          <DesktopOutlined style={{ fontSize: 14, color: '#9ca3af', marginRight: 8 }} />
+          <Text style={{ fontSize: '12px', color: '#d1d5db', fontWeight: 600 }}>
+            {deviceName || '服务器'} - 背板视图
+          </Text>
+        </div>
+
+        {/* 背板布局 */}
+        <div style={{ display: 'flex', gap: '12px', alignItems: 'stretch' }}>
+          {/* 左侧：管理口区域 */}
+          {renderManagementArea()}
+
+          {/* 中间左：板载网卡 */}
+          {renderOnboardArea()}
+
+          {/* 中间：扩展插槽 */}
+          {renderExpansionSlots()}
+
+          {/* 右侧：电源 */}
+          {renderPowerArea()}
+        </div>
+      </div>
+
+      {/* 选中插槽的端口详情模态框 */}
+      <Modal
+        title={
+          <div style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
+            <CloudServerOutlined style={{ color: '#667eea' }} />
+            <span>
+              {selectedSlot?.name}
+              {selectedSlot?.slotNumber > 0 && ` (Slot ${selectedSlot.slotNumber})`}
+            </span>
+          </div>
+        }
+        open={!!selectedSlot}
+        onCancel={() => setSelectedSlot(null)}
+        footer={null}
+        width={700}
+        destroyOnClose
+      >
+        {selectedSlot && (
+          <div>
+            <div style={{ marginBottom: '16px', padding: '12px', background: '#f8fafc', borderRadius: '8px' }}>
+              <Space direction="vertical" size={4} style={{ width: '100%' }}>
+                <Text type="secondary">类型: {selectedSlot.type === 'onboard' ? '板载网卡' : selectedSlot.type === 'management' ? '管理口' : '扩展网卡'}</Text>
+                {selectedSlot.description && <Text type="secondary">描述: {selectedSlot.description}</Text>}
+                <div>
+                  <Text type="secondary">端口统计: </Text>
+                  <Space size={8}>
+                    <Tag color="success">空闲: {selectedSlot.stats?.free || 0}</Tag>
+                    <Tag color="processing">占用: {selectedSlot.stats?.occupied || 0}</Tag>
+                    {selectedSlot.stats?.fault > 0 && <Tag color="error">故障: {selectedSlot.stats.fault}</Tag>}
+                    <Tag color="blue">总计: {selectedSlot.ports?.length || 0}</Tag>
+                  </Space>
+                </div>
+              </Space>
+            </div>
+
+            {selectedSlot.ports && selectedSlot.ports.length > 0 ? (
+              <PortPanel
+                ports={selectedSlot.ports}
+                deviceName={deviceName}
+                deviceId={deviceId}
+                cables={cables}
+                devices={allDevices}
+                onPortClick={onPortClick}
+                compact={true}
+              />
+            ) : (
+              <Empty
+                description={
+                  <span>
+                    该网卡暂无端口
+                    <br />
+                    <Button
+                      type="link"
+                      icon={<PlusOutlined />}
+                      onClick={onManageNetworkCards}
+                      style={{ padding: 0, marginTop: 8 }}
+                    >
+                      前往网卡管理添加端口
+                    </Button>
+                  </span>
+                }
+              />
+            )}
+          </div>
+        )}
+      </Modal>
+    </div>
+  );
+};
+
+export default ServerBackplanePanel;
@@ -0,0 +1,345 @@
+import React, { useState, useEffect, useRef, useCallback } from 'react';
+import { Button, Empty, Spin, Badge, Typography, Space, Checkbox, Tooltip } from 'antd';
+import { DownOutlined, UpOutlined, EyeOutlined, EyeInvisibleOutlined, PlusOutlined, CloudServerOutlined } from '@ant-design/icons';
+import ServerBackplanePanel from './ServerBackplanePanel';
+
+const { Text } = Typography;
+
+/**
+ * 虚拟设备列表组件
+ * 用于优化大量设备面板的渲染性能
+ * 
+ * @param {Object[]} devices - 设备列表
+ * @param {Object} groupedPorts - 按设备分组的端口数据
+ * @param {Object[]} cables - 接线列表
+ * @param {Object[]} allDevices - 所有设备列表（用于查找设备信息）
+ * @param {Function} onPortClick - 端口点击回调
+ * @param {Function} onAddPort - 添加端口回调 (device) => void
+ * @param {Function} onManageNetworkCards - 网卡管理回调 (device) => void
+ * @param {number} initialVisibleCount - 初始显示数量
+ * @param {number} loadMoreCount - 每次加载更多数量
+ */
+const VirtualDeviceList = ({
+  devices,
+  groupedPorts,
+  cables,
+  allDevices,
+  onPortClick,
+  onAddPort,
+  onManageNetworkCards,
+  initialVisibleCount = 5,
+  loadMoreCount = 5
+}) => {
+  const [visibleCount, setVisibleCount] = useState(initialVisibleCount);
+  const [loading, setLoading] = useState(false);
+  const [expandedDevices, setExpandedDevices] = useState({});
+  const [showAll, setShowAll] = useState(false);
+  const containerRef = useRef(null);
+  const observerRef = useRef(null);
+
+  // 初始化展开状态
+  useEffect(() => {
+    const initialExpanded = {};
+    devices.slice(0, initialVisibleCount).forEach((device, index) => {
+      initialExpanded[device.deviceId] = index < 3; // 前3个默认展开
+    });
+    setExpandedDevices(initialExpanded);
+  }, [devices, initialVisibleCount]);
+
+  // 无限滚动观察器
+  useEffect(() => {
+    if (showAll) return;
+
+    const options = {
+      root: null,
+      rootMargin: '100px',
+      threshold: 0.1
+    };
+
+    observerRef.current = new IntersectionObserver((entries) => {
+      entries.forEach(entry => {
+        if (entry.isIntersecting && !loading && visibleCount < devices.length) {
+          loadMore();
+        }
+      });
+    }, options);
+
+    const loadMoreTrigger = document.getElementById('load-more-trigger');
+    if (loadMoreTrigger) {
+      observerRef.current.observe(loadMoreTrigger);
+    }
+
+    return () => {
+      if (observerRef.current) {
+        observerRef.current.disconnect();
+      }
+    };
+  }, [visibleCount, devices.length, loading, showAll]);
+
+  const loadMore = useCallback(() => {
+    if (loading || visibleCount >= devices.length) return;
+    
+    setLoading(true);
+    // 模拟异步加载，实际可以直接同步更新
+    setTimeout(() => {
+      setVisibleCount(prev => Math.min(prev + loadMoreCount, devices.length));
+      setLoading(false);
+    }, 100);
+  }, [loading, visibleCount, devices.length, loadMoreCount]);
+
+  const handleShowAll = useCallback(() => {
+    // 先显示所有设备
+    setVisibleCount(devices.length);
+    // 展开所有设备
+    const allExpanded = {};
+    devices.forEach(device => {
+      allExpanded[device.deviceId] = true;
+    });
+    setExpandedDevices(allExpanded);
+    setShowAll(true);
+  }, [devices]);
+
+  const handleCollapseAll = useCallback(() => {
+    // 收起所有面板（折叠所有设备），但保持当前显示的设备数量
+    const allCollapsed = {};
+    devices.forEach(device => {
+      allCollapsed[device.deviceId] = false;
+    });
+    setExpandedDevices(allCollapsed);
+    setShowAll(false);
+  }, [devices]);
+
+  const toggleDeviceExpand = (deviceId) => {
+    setExpandedDevices(prev => ({
+      ...prev,
+      [deviceId]: !prev[deviceId]
+    }));
+  };
+
+  const visibleDevices = devices.slice(0, visibleCount);
+  const hasMore = visibleCount < devices.length;
+
+  if (devices.length === 0) {
+    return (
+      <Empty 
+        description="暂无设备数据" 
+        style={{ padding: '60px 0' }}
+      />
+    );
+  }
+
+  return (
+    <div ref={containerRef} style={{ display: 'flex', flexDirection: 'column', gap: '16px' }}>
+      {/* 控制栏 */}
+      <div style={{
+        display: 'flex',
+        justifyContent: 'space-between',
+        alignItems: 'center',
+        padding: '12px 16px',
+        background: '#f8fafc',
+        borderRadius: '8px',
+        border: '1px solid #e2e8f0'
+      }}>
+        <Space align="center">
+          <div style={{ display: 'flex', alignItems: 'center', gap: '8px' }}>
+            <Text strong style={{ fontSize: '14px' }}>设备列表</Text>
+            <Badge 
+              count={devices.length} 
+              style={{ backgroundColor: '#667eea' }}
+            />
+          </div>
+          <Text type="secondary" style={{ fontSize: '12px' }}>
+            显示 {visibleDevices.length} / {devices.length}
+          </Text>
+        </Space>
+        
+        <Space>
+          <Button 
+            size="small" 
+            icon={showAll ? <UpOutlined /> : <DownOutlined />}
+            onClick={showAll ? handleCollapseAll : handleShowAll}
+          >
+            {showAll ? '收起全部' : '展开全部'}
+          </Button>
+        </Space>
+      </div>
+
+      {/* 设备面板列表 */}
+      {visibleDevices.map((device) => {
+        const deviceId = device.deviceId;
+        const data = groupedPorts[deviceId] || { device, ports: [] };
+        const isExpanded = expandedDevices[deviceId];
+        const portCount = data.ports?.length || 0;
+        const occupiedCount = data.ports?.filter(p => p.status === 'occupied').length || 0;
+
+        return (
+          <div 
+            key={deviceId}
+            style={{
+              border: '1px solid #e2e8f0',
+              borderRadius: '12px',
+              overflow: 'hidden',
+              background: '#fff',
+              transition: 'all 0.3s ease'
+            }}
+          >
+            {/* 设备标题栏 */}
+            <div
+              onClick={() => toggleDeviceExpand(deviceId)}
+              style={{
+                display: 'flex',
+                alignItems: 'center',
+                justifyContent: 'space-between',
+                padding: '16px 20px',
+                background: isExpanded ? '#f1f5f9' : '#fff',
+                cursor: 'pointer',
+                borderBottom: isExpanded ? '1px solid #e2e8f0' : 'none',
+                transition: 'background 0.2s'
+              }}
+              onMouseEnter={(e) => {
+                e.currentTarget.style.background = '#f1f5f9';
+              }}
+              onMouseLeave={(e) => {
+                if (!isExpanded) {
+                  e.currentTarget.style.background = '#fff';
+                }
+              }}
+            >
+              <div style={{ display: 'flex', alignItems: 'center', gap: '12px' }}>
+                <div style={{
+                  width: '40px',
+                  height: '40px',
+                  borderRadius: '10px',
+                  background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
+                  display: 'flex',
+                  alignItems: 'center',
+                  justifyContent: 'center',
+                  fontSize: '20px'
+                }}>
+                  {device.type?.toLowerCase()?.includes('server') ? '🖥️' :
+                   device.type?.toLowerCase()?.includes('switch') ? '🔀' :
+                   device.type?.toLowerCase()?.includes('router') ? '🌐' : '📦'}
+                </div>
+                <div>
+                  <div style={{ fontWeight: 600, fontSize: '15px', color: '#1e293b' }}>
+                    {device.name || '未知设备'}
+                  </div>
+                  <div style={{ fontSize: '12px', color: '#64748b', marginTop: '2px' }}>
+                    {device.deviceId} · {device.type || '未知类型'}
+                  </div>
+                </div>
+              </div>
+
+              <Space size="middle">
+                <Space size="small">
+                  <Badge 
+                    count={occupiedCount} 
+                    style={{ backgroundColor: '#3b82f6' }}
+                    overflowCount={999}
+                  />
+                  <Text type="secondary" style={{ fontSize: '12px' }}>
+                    已用
+                  </Text>
+                  <Badge 
+                    count={portCount} 
+                    style={{ backgroundColor: '#10b981' }}
+                    overflowCount={999}
+                  />
+                  <Text type="secondary" style={{ fontSize: '12px' }}>
+                    端口
+                  </Text>
+                </Space>
+
+                {/* 网卡管理按钮 - 只有服务器显示 */}
+                {device.type?.toLowerCase()?.includes('server') && (
+                  <Button
+                    type="primary"
+                    size="small"
+                    icon={<CloudServerOutlined />}
+                    onClick={(e) => {
+                      e.stopPropagation(); // 防止触发折叠
+                      onManageNetworkCards && onManageNetworkCards(device);
+                    }}
+                    style={{
+                      background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
+                      border: 'none'
+                    }}
+                  >
+                    网卡管理
+                  </Button>
+                )}
+
+                {/* 添加端口按钮 */}
+                <Button
+                  type="primary"
+                  size="small"
+                  icon={<PlusOutlined />}
+                  onClick={(e) => {
+                    e.stopPropagation(); // 防止触发折叠
+                    onAddPort && onAddPort(device);
+                  }}
+                  style={{
+                    background: 'linear-gradient(135deg, #10b981 0%, #059669 100%)',
+                    border: 'none'
+                  }}
+                >
+                  添加端口
+                </Button>
+
+                <Button
+                  type="text"
+                  size="small"
+                  icon={isExpanded ? <UpOutlined /> : <DownOutlined />}
+                  style={{ color: '#64748b' }}
+                />
+              </Space>
+            </div>
+
+            {/* 面板内容 - 可折叠 */}
+            {isExpanded && (
+              <div style={{ padding: '16px' }}>
+                <ServerBackplanePanel
+                  deviceId={deviceId}
+                  deviceName={device.name}
+                  cables={cables}
+                  allDevices={allDevices}
+                  onPortClick={onPortClick}
+                  onManageNetworkCards={() => onManageNetworkCards && onManageNetworkCards(device)}
+                />
+              </div>
+            )}
+          </div>
+        );
+      })}
+
+      {/* 加载更多触发器 */}
+      {hasMore && !showAll && (
+        <div 
+          id="load-more-trigger"
+          style={{
+            textAlign: 'center',
+            padding: '20px',
+            color: '#64748b'
+          }}
+        >
+          {loading ? (
+            <Spin size="small" tip="加载更多设备..." />
+          ) : (
+            <Text type="secondary">
+              向下滚动加载更多 ({devices.length - visibleCount} 个设备)
+            </Text>
+          )}
+        </div>
+      )}
+
+      {/* 已显示全部提示 */}
+      {!hasMore && devices.length > initialVisibleCount && (
+        <div style={{ textAlign: 'center', padding: '20px', color: '#94a3b8' }}>
+          <Text type="secondary">已显示全部 {devices.length} 个设备</Text>
+        </div>
+      )}
+    </div>
+  );
+};
+
+export default VirtualDeviceList;