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| // Module dependencies | |
| var express = require('express'), | |
| mysql = require('mysql'); | |
| // Application initialization | |
| var connection = mysql.createConnection({ | |
| host : 'localhost', | |
| user : 'root', | |
| password : 'password' | |
| }); | |
| var app = module.exports = express.createServer(); | |
| // Database setup | |
| connection.query('CREATE DATABASE IF NOT EXISTS test', function (err) { | |
| if (err) throw err; | |
| connection.query('USE test', function (err) { | |
| if (err) throw err; | |
| connection.query('CREATE TABLE IF NOT EXISTS users(' | |
| + 'id INT NOT NULL AUTO_INCREMENT,' | |
| + 'PRIMARY KEY(id),' | |
| + 'name VARCHAR(30)' | |
| + ')', function (err) { | |
| if (err) throw err; | |
| }); | |
| }); | |
| }); | |
| // Configuration | |
| app.use(express.bodyParser()); | |
| // Main route sends our HTML file | |
| app.get('/', function(req, res) { | |
| res.sendfile(__dirname + '/index.html'); | |
| }); | |
| // Update MySQL database | |
| app.post('/users', function (req, res) { | |
| connection.query('INSERT INTO users SET ?', req.body, | |
| function (err, result) { | |
| if (err) throw err; | |
| res.send('User added to database with ID: ' + result.insertId); | |
| } | |
| ); | |
| }); | |
| // Begin listening | |
| app.listen(3000); | |
| console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env); |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> | |
| <script type="text/javascript"> | |
| $(document).ready(function () { | |
| $('#user-submit').click(function () { | |
| var payload = { | |
| name: $('#user-name').val() | |
| }; | |
| $.ajax({ | |
| url: "/users", | |
| type: "POST", | |
| contentType: "application/json", | |
| processData: false, | |
| data: JSON.stringify(payload), | |
| complete: function (data) { | |
| $('#output').html(data.responseText); | |
| } | |
| }); | |
| }); | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <h3>Enter a username to enter into the database:</h3> | |
| <input id="user-name" type="text" /> | |
| <input id="user-submit" type="submit" /> | |
| <p id="output"></p> | |
| </body> | |
| </html> |
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| { | |
| "name": "reddit-node-mysql" | |
| , "description": "A demo of how to use Express and MySQL together" | |
| , "author": "Clarence Leung <github@clarle>" | |
| , "version": "0.0.1" | |
| , "private": true | |
| , "dependencies": { | |
| "express": "~2.5", | |
| "mysql": "~2.0" | |
| } | |
| } |
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