constmysql=require('mysql');constconnection=mysql.createConnection({host:'localhost',user:'root',password:'password',database:'mydatabase'});connection.connect((err)=>{if(err)throwerr;console.log('Connected to the database!');});
const mysql = require('mysql'); const connection = mysql.createConnection({ host: 'localhost', user: 'your_username', password: 'your_password', database: 'your_database' }); connection.connect((err) => { if (err) throw err; console.log('Connected to the MySQL database.'); const...
7. //如果不知道如何配置连接串,可以通过配置UDL文件后用文本编辑器打开获得 8. var connectionstring = "Driver={MySQL ODBC 5.2w Driver};Server=localhost;Database=myDataBase;User=myUsername; Password=myPassword;Option=3;Port=3306"; 9. //打开连接 10. conn.open(connectionstring); 11. 12. //查...
storage: path.join(__dirname, '../database/database.sqlite') }); /* 测试连接是否成功 node note.js sequelize.authenticate() .then(() => { console.log('Connection has been established successfully.'); }) .catch(err => { console.error('Unable to connect to the database:', err); }...
CORS 是一个 node.js 包,用于提供 Connect/Express 中间件,可用于通过各种选项启用 CORS。 12、GraphQL.js 网址:https://www.npmjs.com/package/graphql GraphQL 是由 Facebook 创建的 API 查询语言工具。 13、socket.io 网址:https://www.npmjs.co...
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Part 1 of this series guides you through building a REST API, and Part 2 shows you how to connect that REST API to a database. In Part 3, you add relationships to the REST API and the supporting database. If you’re interested in Python back-end development, then it’s a good ide...
We connect to the database with connect. client.query('SELECT 1 + 4').then(res => { const result = R.head(R.values(R.head(res.rows))); console.log(result); }).finally(() => client.end()); We issue a simple SELECT query. We get the result and output it to the console. ...
con = sqlite3.connect('Coach\database.db') cur = con.cursor() cur.execute(query, q) dtimerows = cur.fetchall() cur.close() con.close() desti = [] print(destrows) for i in destrows: for x in i: desti.append(str(x)) ...
idle: 10000 }, // SQLite only storage: 'path/to/database.sqlite' }); sequelize .authenticate() .then(() => { console.log('Connection has been established successfully.'); }) .catch(err => { console.error('Unable to connect to the database:', err); ...