node js express rest api example

Express is a simple and flexible node. js Web application framework. It provides a series of powerful features to help you create various Web applications. Next, we will analyze it step by step. Do not leave node installation (download) and create a directory on your machine to start your first application. $ mkdir h

The above section describes how to create a page using node + express + ejs. Today, let's take a look at how to create a simple website using node + express + jade. This article records the entire building process, for more information, see 1. create a project folder: my_jade 2. Download the

In node. js (express), Jcrop is used to cut and upload images. node. jsjcrop Requirements To put it simply, you need to upload an avatar and save the cropped parts as the Avatar. Step 1: select the image: Step 2: Display and crop in the pop-up window: Step 3: click "save" to upload the file to the server. Implementat

Parse the four data formats of post requests based on node. js dependency express, node. jsexpress Node. js depends on express to parse the four data formats of post requests There are

express = require (' Express '); ten var router = Express. Router (); One router.get ('/', function(req, res) { res.send ({ ' success ': ' Delete success! ' ( ) ) ; - module.exports = router;This is one of the simplest delete.js files inside the content, when accessing localhost:3000/delete, will enter the above method to execute the logic.Of course, in

Express is on the basis of node. JS, the development of a concise and practical framework structure, the use of this thing, we can more easily handle a lot of things. Just get started, it's a Beethoven! There are several ways to install Express in general. First, use NPM installation, cmd input NPM install

. send ('Hello World') ;}); // specifies the listening port var server = app. listen (3000, function () {console. log ('listening on port % d', server. address (). port );}); Run the nodejs Application /> Node app. js 3. Middleware Middleware (middleware) is a function used to process HTTP requests.When an HTTP request is sent to the server, the server instance calls the first middleware. Then, based on th

This article introduces Node. js and Express in brief. It describes in detail how to use Node. js and Express to build a web server. If you are interested, please take a look. This article mainly introduces www.php1.cn/wiki/1498.h

',function(req,res) {vartitle =Req.body.title; varSort =Req.body.sort; //console.log (title+ '-------' +sort);Mongoclient.connect (DB_STR,function(err,db) {if(err) {Throwerr; return; } //The db here is the blog database varc = db.collection (' category '); C.insert ({title:title,sort:sort},function(err,result) {if(Err) {err.send (err); }Else{res.send (' Add category Success ); } }); });}); Router.get ('/edit ',function(Req,res,next) {Res.render (' Admin/category_edit ');

Label:ObjectiveFrom the installation of the environment in the native (win8.1) environment to finish this demo about less than two weeks, just started in the local installation environment and did not knock a demo, from the beginning of the weekend and intermittent to write a, according to the inertia of thinking to write a deletion and change to check it, One is to experience the magic of node. JS, and the

No more nonsense, we're working directly ...Open the Black window directly under the directory:Then we'll start to look at the files we've created:Then we start to create the catalog under the project:From here we can clearly see that our catalogue is separated from the previous background, the introduction of the template is also very simple, as shown in:This allows Chen Gong access to our front end,,,Killing Thunder Dog---node.

= "Sort"ID= "Inputordernumber"name= "Sort"value= "class= "Form-control"> Div> inputtype= "hidden"name= "id"value= "> Div>/.box-body - Divclass= "Box-footer clearfix"> Buttonclass= "Btn btn-primary"type= "Submit">SubmitButton> Div>/.box-footer - form> Div>/.box - Div>/.

First we set up this library under the command line:Then we introduce the MongoDB module into the project:var Mongoclient = require (' MongoDB '). mongoclient; var Db_str = "Mongodb://localhost:27017/blog"; // Here's a library built under MongoDB. var ObjectId = require (' MongoDB '). ObjectId; // This is mainly used to deal with MONGODB under the IDThis enables MongoDB in the project to successfully introduce ...Killing Thunder Dog---node.

tutorial, C:\node). Step 2–install EXPRESS Now so we have Node running, we need the rest of the stuff we ' re going to actually with the use to create a working website. To do so we ' re going to install Express, which are a framework that takes