Initial commit: 宁夏智慧养殖监管平台

backend/verify-environment-data.js

@@ -0,0 +1,105 @@
+const mysql = require('mysql2/promise');
+require('dotenv').config();
+
+async function verifyEnvironmentData() {
+  let connection;
+  
+  try {
+    // 创建数据库连接
+    connection = await mysql.createConnection({
+      host: process.env.DB_HOST,
+      port: process.env.DB_PORT,
+      user: process.env.DB_USER,
+      password: process.env.DB_PASSWORD,
+      database: process.env.DB_NAME
+    });
+    
+    console.log('数据库连接成功');
+    
+    // 检查表是否存在
+    const [tables] = await connection.execute(
+      "SHOW TABLES LIKE 'environment_schedules'"
+    );
+    
+    if (tables.length === 0) {
+      console.log('环境监测时刻表不存在');
+      return;
+    }
+    
+    console.log('环境监测时刻表存在');
+    
+    // 获取总记录数
+    const [countResult] = await connection.execute(
+      'SELECT COUNT(*) as total_records FROM environment_schedules'
+    );
+    console.log(`\n总记录数: ${countResult[0].total_records}`);
+    
+    // 按农场分组统计
+    const [farmStats] = await connection.execute(
+      `SELECT farm_id, COUNT(*) as record_count, 
+              MIN(monitoring_date) as earliest_date,
+              MAX(monitoring_date) as latest_date
+       FROM environment_schedules 
+       GROUP BY farm_id 
+       ORDER BY farm_id`
+    );
+    
+    console.log('\n按农场统计:');
+    farmStats.forEach(stat => {
+      console.log(`农场${stat.farm_id}: ${stat.record_count}条记录, 日期范围: ${stat.earliest_date} 到 ${stat.latest_date}`);
+    });
+    
+    // 获取最新的10条记录
+    const [recentRecords] = await connection.execute(
+      `SELECT farm_id, device_id, schedule_time, temperature, humidity, 
+              DATE(monitoring_date) as date, status 
+       FROM environment_schedules 
+       ORDER BY monitoring_date DESC, schedule_time DESC 
+       LIMIT 10`
+    );
+    
+    console.log('\n最新的10条环境监测记录:');
+    console.log('农场ID | 设备ID   | 日期       | 时间     | 温度(°C) | 湿度(%) | 状态');
+    console.log('-------|----------|------------|----------|----------|---------|--------');
+    recentRecords.forEach(record => {
+      console.log(`${record.farm_id.toString().padEnd(6)} | ${record.device_id.padEnd(8)} | ${record.date} | ${record.schedule_time} | ${record.temperature.toString().padEnd(8)} | ${record.humidity.toString().padEnd(7)} | ${record.status}`);
+    });
+    
+    // 检查数据分布
+    const [timeStats] = await connection.execute(
+      `SELECT schedule_time, COUNT(*) as count
+       FROM environment_schedules 
+       GROUP BY schedule_time 
+       ORDER BY schedule_time`
+    );
+    
+    console.log('\n按监测时间统计:');
+    timeStats.forEach(stat => {
+      console.log(`${stat.schedule_time}: ${stat.count}条记录`);
+    });
+    
+    // 温度湿度范围统计
+    const [rangeStats] = await connection.execute(
+      `SELECT 
+         MIN(temperature) as min_temp, MAX(temperature) as max_temp, AVG(temperature) as avg_temp,
+         MIN(humidity) as min_humidity, MAX(humidity) as max_humidity, AVG(humidity) as avg_humidity
+       FROM environment_schedules`
+    );
+    
+    console.log('\n温度湿度统计:');
+    const stats = rangeStats[0];
+    console.log(`温度范围: ${parseFloat(stats.min_temp).toFixed(2)}°C - ${parseFloat(stats.max_temp).toFixed(2)}°C (平均: ${parseFloat(stats.avg_temp).toFixed(2)}°C)`);
+    console.log(`湿度范围: ${parseFloat(stats.min_humidity).toFixed(2)}% - ${parseFloat(stats.max_humidity).toFixed(2)}% (平均: ${parseFloat(stats.avg_humidity).toFixed(2)}%)`);
+    
+  } catch (error) {
+    console.error('验证失败:', error.message);
+  } finally {
+    if (connection) {
+      await connection.end();
+      console.log('\n数据库连接已关闭');
+    }
+  }
+}
+
+// 运行验证脚本
+verifyEnvironmentData();