Node.js: HTTP SERVER Handling GET and POST Request to FREE Integrations

Node.js: HTTP SERVER Handling GET and POST Request

Last Updated on February 9, 2019

by Pabbly Team

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> <form action="/" method="POST"> <label>Name: </label> <input type="text" name="dname" value="" /><br /> <label>Email: </label> <input type="text" name="demail" value="" /><br /> <label>Address: </label> <input type="text" name="daddress" value="" /><br /> <button>submit</button> </form> </body> </html> Node.js File // Node.js: HTTP SERVER Handling GET and POST Request // Show HTML Form at GET request. // At POST Request: Grab form data and display them. // Get Complete Source Code from Pabbly.com var http = require('http'); var fs = require('fs'); var...

Node.js JSON Files: Generating Right JSON from Routing

Last Updated on February 9, 2019

by Pabbly Team

// FileName: student.json [ { "name": "Pankaj Agarwal", "office" : "Magnet Brains Software Technology Pvt. Ltd", "project" : "pabbly.com" }, { "name": "Ramesh Chandra", "office" : "Magnet Brains", "project" : "woofresh.com" }, { "name": "Suk Sagar", "office" : "Magnet", "project" : "formget.com" }, { "name": "Rakesh Roy", "office" : "Magnet Brains Software Technology Pvt. Ltd", "project" : "pabbly.com" } ] sdfsdf // Reading JSON Files Using Node.js // Generating Right JSON from Routing Using Node.js // JSON Files: student.json // Get Complete Source Code from Pabbly.com var http = require('http'); var staffdata = require('./public/data/student.json'); var server = http.createServer(function(req, res){ if(req.url...

Node.js HTTP Module – Serving Static Files HTML, CSS, Images

Last Updated on February 9, 2019

by Pabbly Team

// HTTP Module for Creating Server and Serving Static Files Using Node.js // Static Files: HTML, CSS, JS, Images // Get Complete Source Code from Pabbly.com var http = require('http'); var fs = require('fs'); var path = require('path'); http.createServer(function(req, res){ if(req.url === "/"){ fs.readFile("./public/index.html", "UTF-8", function(err, html){ res.writeHead(200, {"Content-Type": "text/html"}); res.end(html); }); }else if(req.url.match("\.css$")){ var cssPath = path.join(__dirname, 'public', req.url); var fileStream = fs.createReadStream(cssPath, "UTF-8"); res.writeHead(200, {"Content-Type": "text/css"}); fileStream.pipe(res); }else if(req.url.match("\.png$")){ var imagePath = path.join(__dirname, 'public', req.url); var fileStream = fs.createReadStream(imagePath); res.writeHead(200, {"Content-Type": "image/png"}); fileStream.pipe(res); }else{ res.writeHead(404, {"Content-Type": "text/html"}); res.end("No Page Found"); } }).listen(3000); Learn More- Node Js Http Server...

ExpressJS Routing : URL Routes for Sending Response

Last Updated on February 9, 2019

by Pabbly Team

In express.js routing, we are going to learn how based on different urls we will are going to server different pages and content on the webpages. Topics Covered Home Route - Opening home page on server HTML File Route - Open HTML page on server json Route - Open json response on the route File Route - Send a complete file on the route section Home Route - Opening home page on server var express = require("express"); var app = express(); app.get('/', function(req, res){ console.log("We are at home page"); res .status(200) .send("We are at Home Page of Pabbly"); }); var server...

ExpressJS Static : Serving Static Files

Last Updated on February 9, 2019

by Pabbly Team

Server static files using Express.js, we have created a directory with the name of public and express will automatically server all the files in the folder. We are going to server static file using app.use(express.static('public')). This is know as middleware in express. When we call root directory then express static middlerware automatically called public folder and it server index.html file from it. serverstatic.js var express = require('express'); var app = express(); var path = require('path'); app.use(express.static(path.join(__dirname, 'public'))); app.listen(3000, function(){ console.log("Magic happens now at port 3000"); }); Public folder -public --css --images --javascript --index.html index.html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8">...

ExpressJS : Middleware

Last Updated on February 9, 2019

by Pabbly Team

Middleware is a middle layer that is called between request and response. When the request is called middleware is called and it called before it sends response. Topics Covered Calling middleware using app.use() Calling for a specific route Calling middleware using app.use() Middleware is called before every request in the web page. var express = require('express'); var app = express(); app.use(function (req, res, next) { console.log('Method is: ' + req.method + ' URL is: ' + req.url); next(); }); app.get('/', function (req, res) { res.send('Hello This is home page'); }); app.listen(3000, function () { console.log('App listening on port 3000!'); });...

Node js MongoDB Insert into Database

Last Updated on February 9, 2019

by Pabbly Team

So in this tutorial we are going to insert document into MongoDB collection using Node.js. Topics Covered Insert One - Insert Single Document in Collection Insert Many - Insert Multiple Document in Collection Insert One - Insert Single Document in Collection We have a database with the name of the college and we are going to insert a document in student collection. var MongoClient = require('mongodb').MongoClient; var url = "mongodb://localhost:27017/college"; MongoClient.connect(url, function (err, db) { if (err) throw err; var myStudent = { name: "Jai Sharma", address: "E-3, Arera Colony, Bhopal" }; db.collection("students").insertOne(myStudent, function (err, result) { if (err) throw...

Node js MongoDB Delete From Database

Last Updated on February 9, 2019

by Pabbly Team

In this tutorial, we are going to delete documents (records) from a collection (table) in MongoDB via Node.Js. There are two ways to delete documentation deleting document one by one and delete all the matched records in one go. Topics Covered Delete One – Delete single document from matched documents in a Collection Delete Many – Delete all matched documents from Collection Delete One – Delete single document from matched documents in a Collection We have lot of documents in a collection, we will match the documents and delete the single document out of the multiple documents that we match...

Node js MongoDB Update Into Database

Last Updated on February 9, 2019

by Pabbly Team

Update document into collection at MongoDB using Node.js. You can update the document in MongoDB using updateOne(). If the query finds more than one record, only the first occurrence is updated. Topics Covered Update One – Update single Document from Collection Update One – Update Only Specific Fields in a single Document from Collection Update Many – Update all Documents that match the query from Collection Update One – Update single Document from Collection var MongoClient = require('mongodb').MongoClient; var url = "mongodb://127.0.0.1:27017/mydb"; MongoClient.connect(url, function(err, db) { if (err) throw err; var myquery = { address: "Valley 345" }; var newvalues =...

Node js MongoDB Read from Database

Last Updated on February 9, 2019

by Pabbly Team

So in this tutorial, we are going to read document from MongoDB collection using Node.js. If we compare this with MySql then we are going to read record from table. Table in MongoDB are consider as collection and record as document. Topics Covered Find One - Find Single Document from Collection Find - Find All Document from Collection Find One - Find Single Document from Collection We have lot of documents in a collection, we will match the documents and find the single document out of the multiple documents that we match using findOne(). findone.js var MongoClient = require("mongodb").MongoClient; var...

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