53 lines
1.7 KiB
JavaScript
53 lines
1.7 KiB
JavaScript
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const mysql = require('mysql2/promise');
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require('dotenv').config();
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async function testConnection() {
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console.log('🔍 测试数据库连接...');
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console.log(`Host: ${process.env.DB_HOST}`);
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console.log(`Port: ${process.env.DB_PORT}`);
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console.log(`User: ${process.env.DB_USER}`);
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console.log(`Database: ${process.env.DB_NAME}`);
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const config = {
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host: process.env.DB_HOST,
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port: parseInt(process.env.DB_PORT),
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user: process.env.DB_USER,
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password: process.env.DB_PASSWORD,
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database: process.env.DB_NAME,
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connectTimeout: 60000,
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acquireTimeout: 60000,
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timeout: 60000
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};
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try {
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console.log('📡 尝试连接...');
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const connection = await mysql.createConnection(config);
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console.log('✅ 连接成功！');
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// 测试简单查询
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const [rows] = await connection.execute('SELECT 1 as test');
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console.log('✅ 查询测试成功:', rows);
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// 测试数据库信息
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const [version] = await connection.execute('SELECT VERSION() as version');
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console.log('📝 MySQL版本:', version[0].version);
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await connection.end();
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console.log('✅ 连接正常关闭');
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} catch (error) {
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console.error('❌ 连接失败:');
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console.error('错误代码:', error.code);
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console.error('错误信息:', error.message);
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console.error('错误详情:', error.sqlMessage || 'N/A');
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if (error.code === 'ER_ACCESS_DENIED_ERROR') {
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console.log('\n💡 可能的解决方案:');
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console.log('1. 检查用户名和密码是否正确');
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console.log('2. 确认用户有访问该数据库的权限');
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console.log('3. 检查IP白名单是否包含当前服务器IP');
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}
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}
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}
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testConnection();
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