连接之前,你要有数据库和表结构
代码:
let mysql = require('mysql')
// 1. 创建连接
const connection = mysql.createConnection({
host: 'localhost',
user: 'root',
password: '1234567',
database: 'node-test'
})
// 2. 连接数据库
connection.connect()
// 3. 执行数据操作
connection.query('SELECT * FROM `user`', function (error, results, fields) {
if (error) throw error;
console.log('The solution is: ', results);
})
// 4. 关闭连接
connection.end()