122 lines
3.8 KiB
JavaScript
122 lines
3.8 KiB
JavaScript
#!/usr/bin/env node
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/**
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* 数据库连接测试脚本
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* 用于验证MySQL数据库连接配置的正确性
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*/
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const mysql = require('mysql2/promise');
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const config = require('../config/env');
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// 引入环境配置
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const envConfig = require('../config/env');
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const dbConfig = envConfig.mysql;
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// 数据库配置已从database.js导入
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async function testDatabaseConnection() {
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let connection;
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try {
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console.log('🚀 开始数据库连接测试...');
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console.log(`📊 环境: ${process.env.NODE_ENV || 'development'}`);
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console.log(`🔗 连接信息: ${dbConfig.host}:${dbConfig.port}/${dbConfig.database}`);
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console.log('='.repeat(50));
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// 测试连接
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console.log('🔍 测试数据库连接...');
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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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// 测试查询
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console.log('🔍 测试基本查询...');
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const [rows] = await connection.execute('SELECT 1 + 1 AS result');
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console.log(`✅ 查询测试成功: ${rows[0].result}`);
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// 检查表结构
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console.log('🔍 检查核心表结构...');
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const tablesToCheck = ['admins', 'users', 'merchants', 'orders'];
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for (const table of tablesToCheck) {
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try {
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const [tableInfo] = await connection.execute(
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`SELECT COUNT(*) as count FROM information_schema.tables
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WHERE table_schema = ? AND table_name = ?`,
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[dbConfig.database, table]
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);
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if (tableInfo[0].count > 0) {
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console.log(`✅ 表存在: ${table}`);
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} else {
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console.log(`⚠️ 表不存在: ${table}`);
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}
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} catch (error) {
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console.log(`❌ 检查表失败: ${table} - ${error.message}`);
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}
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}
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// 检查管理员表数据
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console.log('🔍 检查管理员数据...');
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try {
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const [adminCount] = await connection.execute('SELECT COUNT(*) as count FROM admins');
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console.log(`📊 管理员记录数: ${adminCount[0].count}`);
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if (adminCount[0].count > 0) {
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const [admins] = await connection.execute('SELECT username, role, status FROM admins LIMIT 5');
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console.log('👥 管理员样例:');
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admins.forEach(admin => {
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console.log(` - ${admin.username} (${admin.role}, 状态: ${admin.status})`);
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});
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}
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} catch (error) {
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console.log('❌ 检查管理员数据失败:', error.message);
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}
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// 检查连接池配置
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console.log('🔍 检查连接池配置...');
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console.log(`📈 连接池限制: ${dbConfig.connectionLimit || 10}`);
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console.log(`🔤 字符集: ${dbConfig.charset}`);
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console.log(`⏰ 时区: ${dbConfig.timezone}`);
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console.log('\n🎉 数据库连接测试完成！');
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console.log('✅ 所有配置检查通过');
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} catch (error) {
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console.error('❌ 数据库连接测试失败:', error.message);
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console.error('💡 可能的原因:');
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console.error(' - 数据库服务未启动');
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console.error(' - 连接配置错误');
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console.error(' - 网络连接问题');
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console.error(' - 数据库权限不足');
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console.error(' - 防火墙限制');
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console.error(' - IP地址未授权');
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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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console.error('🔍 连接详情:', {
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host: dbConfig.host,
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port: dbConfig.port,
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user: dbConfig.user,
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database: dbConfig.database
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});
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process.exit(1);
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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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// 如果是直接运行此文件，则执行测试
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if (require.main === module) {
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testDatabaseConnection()
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.then(() => process.exit(0))
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.catch(() => process.exit(1));
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}
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module.exports = { testDatabaseConnection }; |