121 lines
4.3 KiB
JavaScript
121 lines
4.3 KiB
JavaScript
const mysql = require('mysql2/promise');
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// 数据库配置
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const dbConfig = {
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host: process.env.DB_HOST || 'localhost',
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port: process.env.DB_PORT || 3306,
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user: process.env.DB_USER || 'root',
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password: process.env.DB_PASSWORD || '',
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database: process.env.DB_NAME || 'nxxmdata'
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};
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async function createEnvironmentScheduleTable() {
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let connection;
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try {
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// 创建数据库连接
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connection = await mysql.createConnection(dbConfig);
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console.log('数据库连接成功');
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// 创建环境监测时刻表
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const createTableSQL = `
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CREATE TABLE IF NOT EXISTS environment_schedules (
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id INT AUTO_INCREMENT PRIMARY KEY,
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farm_id INT NOT NULL COMMENT '农场ID',
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device_id INT NOT NULL COMMENT '设备ID',
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schedule_time TIME NOT NULL COMMENT '监测时刻（HH:MM:SS）',
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temperature DECIMAL(5,2) NULL COMMENT '温度值（摄氏度）',
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humidity DECIMAL(5,2) NULL COMMENT '湿度值（百分比）',
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monitoring_date DATE NOT NULL DEFAULT (CURRENT_DATE) COMMENT '监测日期',
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status ENUM('active', 'inactive', 'maintenance') DEFAULT 'active' COMMENT '监测状态',
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notes TEXT NULL COMMENT '备注信息',
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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INDEX idx_farm_date_time (farm_id, monitoring_date, schedule_time),
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INDEX idx_device (device_id)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='环境监测时刻表';
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`;
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await connection.execute(createTableSQL);
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console.log('环境监测时刻表创建成功');
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// 生成示例数据
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const schedules = [
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'06:00:00', '08:00:00', '10:00:00', '12:00:00',
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'14:00:00', '16:00:00', '18:00:00', '20:00:00'
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];
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const insertSQL = `
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INSERT INTO environment_schedules
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(farm_id, device_id, schedule_time, temperature, humidity, monitoring_date, status, notes)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?)
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`;
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let totalInserted = 0;
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const today = new Date();
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// 为过去7天生成数据
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for (let day = 0; day < 7; day++) {
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const monitoringDate = new Date(today);
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monitoringDate.setDate(today.getDate() - day);
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const dateStr = monitoringDate.toISOString().split('T')[0];
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for (const time of schedules) {
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// 农场1的数据
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const temp1 = (18 + Math.random() * 15).toFixed(2);
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const humidity1 = (45 + Math.random() * 35).toFixed(2);
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await connection.execute(insertSQL, [
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1, 1, time, temp1, humidity1, dateStr, 'active', `定时监测数据 - ${time}`
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]);
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totalInserted++;
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// 农场2的数据
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const temp2 = (16 + Math.random() * 18).toFixed(2);
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const humidity2 = (40 + Math.random() * 40).toFixed(2);
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await connection.execute(insertSQL, [
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2, 2, time, temp2, humidity2, dateStr, 'active', `定时监测数据 - ${time}`
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]);
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totalInserted++;
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}
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}
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console.log(`成功插入 ${totalInserted} 条环境监测时刻数据`);
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// 验证数据
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const [countResult] = await connection.execute(
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'SELECT COUNT(*) as total FROM environment_schedules'
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);
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console.log(`环境监测时刻表总记录数: ${countResult[0].total}`);
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const [todayResult] = await connection.execute(
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'SELECT COUNT(*) as today_count FROM environment_schedules WHERE monitoring_date = CURDATE()'
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);
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console.log(`今日监测记录数: ${todayResult[0].today_count}`);
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// 显示部分数据样例
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const [sampleData] = await connection.execute(`
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SELECT monitoring_date, schedule_time, temperature, humidity
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FROM environment_schedules
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ORDER BY monitoring_date DESC, schedule_time ASC
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LIMIT 5
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`);
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console.log('\n数据样例:');
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sampleData.forEach(record => {
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console.log(`日期: ${record.monitoring_date}, 时间: ${record.schedule_time}, 温度: ${record.temperature}°C, 湿度: ${record.humidity}%`);
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});
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} catch (error) {
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console.error('创建环境监测时刻表失败:', error.message);
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} finally {
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if (connection) {
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await connection.end();
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console.log('数据库连接已关闭');
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}
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}
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}
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// 执行创建操作
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createEnvironmentScheduleTable(); |