使用Node 操作MySQL数据库

1. 安装

官方文档：https://www.npmjs.com/package/mysql

 npm install --save mysql

2.代码演示

var mysql      = require('mysql');

// 1.创建连接
var connection = mysql.createConnection({
    
    
  host     : 'localhost',
  user     : 'root',
  password : 'root',
  database : 'my_db'
});
 
 // 2.连接数据库
connection.connect();
 
 // 3.执行数据操作
/* connection.query('SELECT * FROM `users`', function (error, results, fields) {
  if (error) throw error;
  console.log('The solution is: ', results);
}); */

connection.query('INSERT INTO users VALUES(NULL, "admin", "123456789")', function (error, results, fields) {
    
    
  if (error) throw error;
  console.log('The solution is: ', results);
});
 
 // 4. 关闭连接
connection.end();