node js express mongodb dev to deployment

[Node. js learning] -- (7) -- install Mongodb and node. jsmongodb Download and install mongodb Reference: mongodb official website http://www.mongodb.org/ Download mongodb-win32-x86_64

Using Webstrom can easily debug the Node applcation.For example, we had an node+express application.Server.js:/**/' use strict '; var expres = require (' Express '); var app = expres (); App.get (function(request, Response) { response.send (200 , "Hello World"); App.listen (3000);All it does just send back a "Hello

App.use (Bodyparser.json ());When a client requests an interface, if the named request header type is Content-type=application/jsonThe Bodyparser will automatically parse the JSON format data in the body correctly,Bodyparser relies on Raw-body library, Raw-body Library has such a piece of codefunction Cleanup () { received = buffer = null stream.removelistener (' data ', OnData) Stream.removelistener (' End ', onEnd) Stream.removelistener (' Error ', onEnd) stream.removelistener (' clo

Amazing node. js Reading Notes: mongodb database interaction, node. jsmongodb This week, I learned how to interact with nodejs databases and used the jade template to build a user-verified website. I encountered several problems. 1. mongodb version is too low Npm ERR! Not co

size of the selected original picture with the size reduction/magnification on the pop-up window, for example, a picture of 1024x768 is selected, However, the scope of the pop-up window is 222x238, which needs to be reduced in multiples of the record, in the trimming of the canvas to be multiplied by this multiplier, or the scope of the crop is cut on this 222x236 size, rather than the size of the original picture cut. The preceding jcrop_api variable is used to re-select the picture when the l

This article mainly introduces node. how to Use the express middleware bodyParser in js. If you need it, refer to bodyParser for parsing the content in the body of the client request and use JSON encoding internally, url encoding and file upload. The following is an example of file upload. Create a 1.html page The Code is as follows: Upload files to the

These days, I have contacted node. js + express and found that no matter whether jade or ejs template system is used, a layout. (Jade | ejs) file will be automatically created. It is also used in a file name convention, instead of specifying layout in the code. However, in actual projects, multiple layout files may be required to render the page layout. It is imp

Recently in the NUXT project began to move some cross-domain requests to express, in fact, similar to other languages, HTTP object requests, receive requests are written very smoothly. Most of the previously used request parts are get requests, so in addition to attention to the coding problem, basically what the interface is written quickly, but in the post request due to the calculation of content-length, there is a problem due to the Chinese calcul

Write down the following code before referencing the route:App.use (' * ', function (req, res, next) {Res.header ("Access-control-allow-origin", "*");Res.header ("Access-control-allow-headers", ' Content-type,content-length, Authorization, Accept,x-requested-with ') ;Res.header ("Access-control-allow-methods", "put,post,get,delete,options");Res.header ("x-powered-by", ' 3.2.1 ')Next ();});You can use Ajax to complete cross-domain access.Resolve cross-domain issues with the

This article mainly introduces node. how to Use the express middleware cookieParser in js. If you need it, refer to cookieParser middleware to obtain the content in the cookie sent by the web browser. after cookieParser middleware is used, The htto. IncomingMessage object requested by the client has a cookie attribute, which is an array of objects, It stores all

VS code is a Microsoft produced a cross-platform of the lightweight editor, I do not advertise, want to know their own to search it, in short I like it.: https://code.visualstudio.com/Installation is completed should be automatically added to the environment variables, do not remember, if you do not add the environment variable. Installation finished directly see version:VS code opens the site created in the previous article Rc_web (optional below) Direct desktop shortcut icon launches vs

vardb =NewMongodb. Db (' Exampledb ', server); 5 6Db.open (function(err, db) {7 if(!err) { 8Db.collection (' Widgets ',function(Err, collection) {9 //Update Data TenCollection.update ({id:2}, {$set: {title: "Super Bad Widget"}}, {safe:true},function(err, result) { One if(err) { A Console.log (Err) -}Else { - Console.log (result); the //querying the Update database -Collection.findone ({id:2},function(err, doc) { - if

Node. js learning summary on mongodb operations, node. jsmongodb I. Preparations 1. Create a table to be read in mongodb Create a database named TestCopy codeThe Code is as follows:Use extension test;Insert data to the user tableCopy codeThe Code is as follows:Db. user. inse

Notes from the node. JS Development Guide ByvoidImplementation process: Https://github.com/ichenxiaodao/express-example5th chapter Web Development using node. jsZero-based implementation of a micro-blogging system with node. js, i

1. When using mongoose, install mongoose first. Open the command line and execute $ npminstallmongoose2. Connect to the mongodb database and add the following two lines of code to app. js. [Javascript] varmongooserequire ( amp; #39; mongoose amp; #39;); mongoose. con... 1. When using mongoose, install mongoose first, open the command line, and execute $ npm install mongoose 2. Connect to the

Install and use Mongoose with Node. js to operate MongoDB. Install mongoose Use express to prepare a TestMongoDB project. The command sequence is as follows: express TestMongoDBcd TestMongoDBnpm install After running the preceding command, run the following command to instal

('view', _ dirname + '/view ');App. set ('view engine ', 'ejs ');App. use (express. favicon ());App. use (express. logger ('dev '));App. use (express. bodyParser ());App. use (express. methodOverride ());App. use (app. router );App. use (

Save the list of stations to the database and create the service locallynode. JS Create Httpserver1. Build an express-based operating environmentGlobal Installation Express-gengeratorCNPM install-g Express-gengerator2. Create an express project and create a local serviceExpr

Tags: mongodb node. JS Express Angularjs DatabaseIn order to save the user data and business data for a site, a database is usually required. MongoDB and node. JS are particularly well-

A. MongoDB:Because 10gen is one of the sponsors, MongoDB has good node. JS support.A. Basic support: There are two commonly used components in node. JS support for MongoDB MongoDB, Mong