安装 mysql
npm install mysql
or
cnpm install mysql
创建db.js,实现mysql操作模块
var mysql = require(‘mysql‘); var db = {}; var pool = mysql.createPool({ host: ‘localhost‘, port: 3306, user: ‘root‘, password: ‘root‘, database: ‘demo‘ }); var exec = function (sql, params, callback) { pool.getConnection(function (err, con) { if (err) { callback(err, null, null); } else { if (params === null || params.length == 0) { con.query(sql, function (err, results, fields) { con.release(); callback(err, results, fields); }) } else { con.query(sql, params, function (err, results, fields) { con.release(); callback(err, results, fields); }) } } }); } db.exec = exec; module.exports = db;
引用
var db = require(‘./db‘); db.exec("select * from table_name",function(err, results, fields){ console.log(results); });
原文地址:https://www.cnblogs.com/silfox/p/10735658.html
时间: 2024-10-08 18:21:37