const mysql = require('mysql2') const connection = mysql.createConnection({ host: 'localhost', port: 3306, user: 'root', password: '960707Shf_', database: 'chat_mysql' }) connection.connect((error) => { if (error) { console.error('MySQL 连接失败:', error) return } console.log('MySQL 连接成功!') }) module.exports = connection