Node.js Express Registration Form MySQL Example

Node js express registration form example mysql; In this tutorial, i am going to teach you how to create registration form in node js express with MySQL database.

A registration form is a list of fields that a user will input data into and submit to a company or individual. Companies use registration forms to sign up customers for subscriptions, services, or other programs or plans.

In this create registration form in node.js express and mysql example; i will install some dependencies for creating registration form in node.js express and mysql. Then i’ll create registration html markup form. And create a method which will register user from form into mysql database uisng node js express app.

Registration Form using Node js Express and MySQL

  • Step 1 – Create New Node Express JS
  • Step 2 – Create DB , Table and Connect App with DB
  • Step 3 – Install Flash,Session,Validator, MySQL Package
  • Step 4 – Import Installed Dependencies routes in app.js
  • Step 5 – Create Registration Route
  • Step 6 – Create Registration Form
  • Step 7 – Start Node js Express Registration Form with MySQL App Server

Step 1 – Create New Node Express JS

Execute the following command on terminal to create loginAuthSystem directory:

express --view=ejs loginAuthSystem
cd loginAuthSystem

When you open this node express js login with mysql app; the app structure will look like:

Step 2 – Create DB , Table and Connect App with DB

Execute the following sql query to your phpmyadmin and create a database and table:

CREATE DATABASE IF NOT EXISTS `nodelogin` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
USE `nodelogin`;
CREATE TABLE IF NOT EXISTS `users` (
  `id` int(11) NOT NULL,
  `name` varchar(50) NOT NULL,
  `password` varchar(255) NOT NULL,
  `email` varchar(100) NOT NULL
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
INSERT INTO `users` (`id`, `name`, `password`, `email`) VALUES (1, 'test', 'test', '[email protected]');
ALTER TABLE `users` ADD PRIMARY KEY (`id`);
ALTER TABLE `users` MODIFY `id` int(11) NOT NULL AUTO_INCREMENT,AUTO_INCREMENT=2;

Then create a new file which name database.js; so go your app root directory and create it.

After that, add the MySQL connection code into your database.js file to connect your app to database:

 var mysql=require('mysql');
 var connection=mysql.createConnection({
   host:'localhost',
   user:'root',
   password:'your password',
   database:'nodelogin'
 });
connection.connect(function(error){
   if(!!error){
     console.log(error);
   }else{
     console.log('Connected!:)');
   }
 });  
module.exports = connection; 

Step 3 – Install Flash,Session,Validator, MySQL Package

Install flash message, session, validator, override, and mysql package by executing the following command on terminal:

 npm install    
 npm install express-flash --save
 npm install express-session --save
 npm install express-validator --save
 npm install method-override --save
 npm install mysql --save
express-flash

Flash is an extension of connect-flash with the ability to define a flash message and render it without redirecting the request.
In this node js mysql crud tutorial express flash is used to display a warning, error and information message

express-session

Express-session is used to made a session as like in PHP. In this node js mysql crud tutorial, session is needed as the express requirement of express-flash.

express-validator

Express validator is used to validate form data it is easy to use. express-validator highly effective and efficient way to accelerate the creation of applications.

method-override

NPM is used to run a DELETE and PUT method from an HTML form. In several web browsers only support GET and POST methods.

MySQL

Driver to connect node.js with MySQL

Step 4 – Import Installed Dependencies routes in app.js

Visit your app root directory and open app.js file; then import above installed dependencies into your app.js file; as shown below:

var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var expressValidator = require('express-validator');
var flash = require('express-flash');
var session = require('express-session');
var bodyParser = require('body-parser');
var mysql = require('mysql');
var connection  = require('./lib/db');
var indexRouter = require('./routes/index');
var authRouter = require('./routes/auth');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(session({ 
    secret: '123456cat',
    resave: false,
    saveUninitialized: true,
    cookie: { maxAge: 60000 }
}))
app.use(flash());
app.use(expressValidator());
app.use('/', indexRouter);
app.use('/auth/registration', authRouter);
// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});
// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};
  // render the error page
  res.status(err.status || 500);
  res.render('error');
});
module.exports = app;

Step 5 – Create Login Route

Visit your app root directory and open routes directory. Then inside route directory create one route file name auth.js:

var express = require('express');
var router = express.Router();
var connection  = require('../lib/db');

//display login page
router.get('/register', function(req, res, next){    
    // render to views/user/add.ejs
    res.render('auth/registeration', {
        title: 'Registration Page',
        name: '',
        email: '',
        password: ''     
    })
})
// user registration
router.post('/post-register', function(req, res, next){    
    req.assert('name', 'Name is required').notEmpty()           //Validate name
    req.assert('password', 'Password is required').notEmpty()   //Validate password
    req.assert('email', 'A valid email is required').isEmail()  //Validate email
 
    var errors = req.validationErrors()
    
    if( !errors ) {   //No errors were found.  Passed Validation!
        
    
        var user = {
            name: req.sanitize('name').escape().trim(),
            email: req.sanitize('email').escape().trim(),
            password: req.sanitize('password').escape().trim()
        }
        
            connection.query('INSERT INTO users SET ?', user, function(err, result) {
                //if(err) throw err
                if (err) {
                    req.flash('error', err)
                    
                    // render to views/user/add.ejs
                    res.render('auth/register', {
                        title: 'Registration Page',
                        name: '',
                        password: '',
                        email: ''                    
                    })
                } else {                
                    req.flash('success', 'You have successfully signup!');
                    res.redirect('/login');
                }
            })
    }
    else {   //Display errors to user
        var error_msg = ''
        errors.forEach(function(error) {
            error_msg += error.msg + '<br>'
        })                
        req.flash('error', error_msg)        
        
        /**
         * Using req.body.name 
         * because req.param('name') is deprecated
         */ 
        res.render('auth/register', { 
            title: 'Registration Page',
            name: req.body.name,
            email: req.body.email,
            password: ''
        })
    }
});
module.exports = router;

The above file will routes will display registration forma and store registration form data into MySQL database in node js express app.

Step 6 – Create Registration Form

Visit views directory in your app and create the Auth directory. And create one views file name reigstration.ejs.

  • registration.ejs

Add the following code in registration.ejs file:

<!DOCTYPE html>
<html>
<head>
  <title><%= title %></title>
  <script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js"></script>
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
</head>
<body>
  <% if (messages.error) { %>
  <p style="color:red"><%- messages.error %></p>
  <% } %>
   
  <% if (messages.success) { %>
      <p style="color:green"><%- messages.success %></p>
  <% } %>
  <form action="/auth/post-register" method="post" name="form1">
    <div class="form-group">
      <label for="exampleInputEmail1">Name</label>
      <input type="name" name="name" class="form-control" id="name" aria-describedby="nameHelp" placeholder="Enter name" value="">
    </div>   
    <div class="form-group">
      <label for="exampleInputEmail1">Email</label>
      <input type="email" name="email" class="form-control" id="email" aria-describedby="emailHelp" placeholder="Enter email" value="">
    </div>
    <div class="form-group">
      <label for="exampleInputEmail1">Password</label>
      <input type="password" name="password" class="form-control" id="password" aria-describedby="emailHelp" placeholder="*********" value="">
    </div>
    <input type="submit" class="btn btn-primary" value="Add">
    <a href="auth/login" class="btn btn-success ml-2">Login</a>
  </form> 
</body>
</html>

Add the following code in home.ejs file:

<!DOCTYPE html>
<html>
<head>
  <title><%= title %></title>
  <script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"></script>
  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js"></script>
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
</head>
<body>
  <div class="container">
    
  <% if (messages.error) { %>
  <p style="color:red"><%- messages.error %></p>
  <% } %>
   
  <% if (messages.success) { %>
      <p style="color:green"><%- messages.success %></p>
  <% } %>
  <div class="card">
    <div class="card-header">
     Dashboard <b><%= name %></b>
    </div>
    <div class="card-body">
      <h5 class="card-title">Welcome</h5>
      <p class="card-text">You have successfully login</p>
      <a href="auth/logout" class="btn btn-primary">Logout</a>
    </div>
  </div>
  </div>
</body>
</html>

Step 7 – Start Node js Express Registration Form with MySQL App Server

Execute the following command on terminal to node js express login with mysql app server:

//run the below command

npm start

after run this command open your browser and hit 

http://127.0.0.1:3000/auth
OR
http://127.0.0.1:3000/auth/login

Conclusion

In this node express js login example with MySQL tutorial. You have learned how to create login system in node js using express js framework with MySQL db.

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