Initial commit: 宁夏智慧养殖监管平台

backend/create-sensor-data.js

@@ -0,0 +1,69 @@
+const { SensorData } = require('./models');
+const sequelize = require('./config/database');
+
+async function createSensorData() {
+  try {
+    await sequelize.authenticate();
+    console.log('数据库连接成功');
+
+    // 创建过去24小时的温度和湿度数据
+    const now = new Date();
+    const sensorDataList = [];
+
+    // 生成过去24小时的数据，每小时一条记录
+    for (let i = 23; i >= 0; i--) {
+      const timestamp = new Date(now.getTime() - i * 60 * 60 * 1000);
+      
+      // 温度数据 (20-30度之间随机)
+      const temperature = 20 + Math.random() * 10;
+      sensorDataList.push({
+        device_id: 1,
+        farm_id: 1,
+        sensor_type: 'temperature',
+        value: parseFloat(temperature.toFixed(1)),
+        unit: '°C',
+        timestamp: timestamp,
+        created_at: timestamp,
+        updated_at: timestamp
+      });
+
+      // 湿度数据 (50-80%之间随机)
+      const humidity = 50 + Math.random() * 30;
+      sensorDataList.push({
+        device_id: 1,
+        farm_id: 1,
+        sensor_type: 'humidity',
+        value: parseFloat(humidity.toFixed(1)),
+        unit: '%',
+        timestamp: timestamp,
+        created_at: timestamp,
+        updated_at: timestamp
+      });
+    }
+
+    // 批量插入数据
+    await SensorData.bulkCreate(sensorDataList);
+    console.log(`成功创建 ${sensorDataList.length} 条传感器数据`);
+
+    // 验证数据
+    const count = await SensorData.count();
+    console.log(`传感器数据总数: ${count}`);
+
+    const temperatureCount = await SensorData.count({
+      where: { sensor_type: 'temperature' }
+    });
+    console.log(`温度数据条数: ${temperatureCount}`);
+
+    const humidityCount = await SensorData.count({
+      where: { sensor_type: 'humidity' }
+    });
+    console.log(`湿度数据条数: ${humidityCount}`);
+
+  } catch (error) {
+    console.error('创建传感器数据失败:', error);
+  } finally {
+    await sequelize.close();
+  }
+}
+
+createSensorData();