user:'test1', password:'',//密码database:'test1'})//连接数据库connection.connect(function(err) {if(err) {returnconsole.error('error:'+err.message); } console.log('Connected to the MySQL server.'); });//关闭数据库connec
const connection = mysql.createConnection({ host: 'localhost', user: 'root', password: 'password', database: 'mydatabase' }); 连接数据库:使用connect方法连接到MySQL数据库: 代码语言:txt 复制 connection.connect((err) => { if (err) { console.error('Error connecting to MySQL database: ' ...
~ vi app.jsvarmysql =require('mysql');varconn = mysql.createConnection({host:'localhost',user:'nodejs',password:'nodejs',database:'nodejs',port:3306}); conn.connect(); conn.query('SELECT 1 + 1 AS solution',function(err, rows, fields) {if(err)throwerr;console.log('The solution i...
最近在学习nodejs,跟课程至在项目中操作MySQL出现了点状况,在终端执行node命令的时候报错:Host 'LAPTOP-BCAJENTI' is not allowed to connect to this MySQL server,远程链接数据库失败。 在CSDN上查…
上述代码中,我们首先使用require('mysql')导入了mysql模块。然后,使用mysql.createConnection()方法创建了一个与MySQL数据库的连接。 在connection.connect()方法中,我们尝试连接MySQL数据库。如果连接成功,就会打印出"Connected to the MySQL server!"。 在连接成功后,我们可以在connection.end()方法中关闭与数据库的连...
const connection = mysql.createConnection({ host: 'localhost', // 填写你的mysql host user: 'root', // 填写你的mysql用户名 password: '123456' // 填写你的mysql密码 }) connection.connect(err => { if(err) throw err; console.log('mysql connncted success!'); ...
// 连接数据库 connection.connect((err) => { if (err) { console.error('Error connecting to database: ' + err.stack); return; } console.log('Connected to database as id ' + connection.threadId); }); // 定义路由 app.get('/api/data', (req, res) => { // 查询数据 connection...
{ host: 'localhost', user: 'your_username', password: 'your_password', database: 'your_database' }); // 连接数据库 connection.connect((err) => { if (err) throw err; console.log('Connected to MySQL database!'); }); // 用户登录函数 function loginUser(username, password, callback...
BUTif I and add172.17.0.1 host.docker.internalto/etc/hosts(on the host) and supply host.docker.internal tocreatePool(), the js could connect to MySQL standalone! What am I missing with the containerized js? Why couldn’t it reach MySQL on the host? Any idea? Thanks!
2. 安装并使用mysqljs库 yarn init -y yarn add mysql 使用Node连接mysql并创建一个数据库 const mysql = require("mysql"); const connection = mysql.createConnection({ host: "localhost", user: "root", password: "960208", }); connection.connect(); connection.query( "CREATE DATABASE IF NOT EX...