Initial commit: 宁夏智慧养殖监管平台

backend/update-device-status.js

@@ -0,0 +1,88 @@
+/**
+ * 更新设备状态脚本
+ * 将设备状态更新为online、maintenance、offline三种状态
+ */
+
+const { Device } = require('./models');
+
+async function updateDeviceStatus() {
+  try {
+    console.log('开始更新设备状态...');
+    
+    // 获取所有设备
+    const devices = await Device.findAll();
+    console.log(`找到 ${devices.length} 个设备`);
+    
+    // 计算每种状态的设备数量
+    const totalDevices = devices.length;
+    const onlineCount = Math.floor(totalDevices * 0.6); // 60% 在线
+    const maintenanceCount = Math.floor(totalDevices * 0.15); // 15% 维护
+    const offlineCount = totalDevices - onlineCount - maintenanceCount; // 剩余离线
+    
+    console.log(`计划分配: ${onlineCount} 在线, ${maintenanceCount} 维护, ${offlineCount} 离线`);
+    
+    // 随机打乱设备数组
+    const shuffledDevices = devices.sort(() => Math.random() - 0.5);
+    
+    // 批量更新设备状态
+    const updates = [];
+    
+    // 设置在线设备
+    for (let i = 0; i < onlineCount; i++) {
+      updates.push(
+        Device.update(
+          { status: 'online' },
+          { where: { id: shuffledDevices[i].id } }
+        )
+      );
+    }
+    
+    // 设置维护设备
+    for (let i = onlineCount; i < onlineCount + maintenanceCount; i++) {
+      updates.push(
+        Device.update(
+          { status: 'maintenance' },
+          { where: { id: shuffledDevices[i].id } }
+        )
+      );
+    }
+    
+    // 设置离线设备
+    for (let i = onlineCount + maintenanceCount; i < totalDevices; i++) {
+      updates.push(
+        Device.update(
+          { status: 'offline' },
+          { where: { id: shuffledDevices[i].id } }
+        )
+      );
+    }
+    
+    // 执行所有更新
+    await Promise.all(updates);
+    
+    // 验证更新结果
+    const statusCount = await Device.findAll({
+      attributes: [
+        'status',
+        [Device.sequelize.fn('COUNT', Device.sequelize.col('status')), 'count']
+      ],
+      group: ['status'],
+      raw: true
+    });
+    
+    console.log('\n更新完成！当前设备状态分布:');
+    statusCount.forEach(item => {
+      console.log(`${item.status}: ${item.count} 个设备`);
+    });
+    
+    console.log('\n设备状态更新成功！');
+    
+  } catch (error) {
+    console.error('更新设备状态失败:', error);
+  } finally {
+    process.exit(0);
+  }
+}
+
+// 执行更新
+updateDeviceStatus();