60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
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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: '129.211.213.226',
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port: 9527,
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user: 'root',
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password: 'aiotAiot123!',
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database: 'jiebandata',
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connectionLimit: 10,
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charset: 'utf8mb4',
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timezone: '+08:00',
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waitForConnections: true,
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queueLimit: 0,
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// 添加连接超时配置
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connectTimeout: 10000, // 10秒连接超时
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acquireTimeout: 10000, // 10秒获取连接超时
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timeout: 10000 // 10秒查询超时
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};
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async function testConnection() {
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let connection;
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try {
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console.log('尝试连接数据库...');
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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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// 测试查询
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const [rows] = await connection.execute('SELECT 1 as test');
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console.log('✅ 数据库查询测试成功:', rows);
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// 查询管理员表
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const [admins] = await connection.execute('SELECT id, username, role FROM admins LIMIT 3');
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console.log('✅ 管理员表查询成功:');
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console.table(admins);
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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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} catch (error) {
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console.error('❌ 数据库连接失败:', error.message);
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if (error.code) {
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console.error('错误代码:', error.code);
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}
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if (error.errno) {
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console.error('错误编号:', error.errno);
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}
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if (error.syscall) {
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console.error('系统调用:', error.syscall);
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}
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if (connection) {
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try {
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await connection.end();
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} catch (closeError) {
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console.error('关闭连接时出错:', closeError.message);
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}
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}
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}
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}
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testConnection();
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