denet-node-server/model/mysql_db.js

var mysql = require('mysql');
var config = require('../config/config.js') // 导入位置文件

var port = config.db_config.test.mysql.PORT
var host = config.db_config.test.mysql.HOST
var username = config.db_config.test.mysql.USERNAME
var password = config.db_config.test.redis.PASSWORD
if (config.build_config.open_test == 0) {
    port = config.db_config.main.mysql.PORT
    host = config.db_config.main.mysql.HOST
    username = config.db_config.main.mysql.USERNAME
    password = config.db_config.main.mysql.PASSWORD
}

// var connection = mysql.createConnection({
//     host: host,
//     user: username,
//     password: password,
//     port: port,
//     database: 'test'
// });

// connection.connect();

// console.log('mysql--->',connection)

// module.exports = connection;