vue-node-blog-server/config/mysqlConfig.js

const mysql = require('mysql')
const config = require('./defaultConfig')

let pool = mysql.createPool({
    host: config.database.HOST,
    user: config.database.USERNAME,
    password: config.database.PASSWORD,
    database: config.database.DATABASE
})

let allServers = {
    query: function (sql, values) {
        return new Promise((resolve, reject) => {
            pool.getConnection(function (err, connection) {
                if (err) {
                    reject(err)
                } else {
                    connection.query(sql, values, (err, rows) => {
                        if (err) {
                            reject(err)
                        } else {
                            resolve(rows)
                        }
                        connection.release()
                    })
                }
            })
        })
    },
}

module.exports = allServers