node js connect to db2

Tongji.js,settings.js used to store some configuration informationIf you create a new project, you need to add two lines of code in the routing (routers/index.js) to introduce our modules and configuration URLsvar express = require (' Express '); var router = Express. Router (); var dd_tongji = require ('.. /controller/dd_tongji.js '); Introduce a custom module/ **/router.get (function(req, res) { Res.render (' index ', {title: ' Express ' }); Router.get ('/data '= router;Then add the followi

Zhanhailiang Date: 2014-11-281. Connect to MySQL Mysql:https://www.npmjs.org/package/mysql Instruction for use: node. js MySQL Package usage instructions 2. Connect to Redis Redis:https://www.npmjs.org/package/redis Instruction for use: fast implementation of real-time online user statist

Today do a book on the example, the result code does not work, query, is the syntax is outdated, the book is actually new bought, published soon.The outdated code is as followsvar connect=require (' Connect '); Connect.createserver ( connect.static (". /angularjs ")). Listen (5000);Error hint: Connect.static is not a methodSince my goal is to practice angularjs, not to learn nodejs, so do not go into th

Description: This chat room is based on node. JS implements the basic real-time communication functionality. Prior to this, there is no knowledge of node. js and MongoDB, but by flipping through blogs, you have basically achieved the desired results. Technology, should not be behind closed doors, but learn to share th

This article mainly introduces the login registration function of Node + Express + MongoDB. If you need it, refer to this article to introduce the login registration function of Node + Express + MongoDB, for more information, see Inject MongoDB Dependencies var mongoose = require("mongoose"); Because form processing is required, bodyParser middleware is required. The bodyParser module parses files and for

Over the past six months, we have summarized 10 experiences using node. js. Over the past six months Let alone house prices, traffic jams, and smog... Let's talk about my experience using Node. js over the past six months... They are all problems encountered at work and blood lessons .. 1. Exact version number "You mus

headerRes.writehead ($, {"Content-type": Fungetcontenttype (FilePath)});7980//Create read-only stream for returnBayi var stream = Libfs.createreadstream (FilePath, {flags: "R", Encoding:null});8283//Specify 404 error if stream read errorStream.on ("Error", function () {Res.writehead (404);Res.end ("87});8889//Connect file stream and HTTP return stream for the pipeline to return the actual web contentStream.pipe (RES);91}A. else {//file does not exist

Body-parser node. JS (Express) HTTP request Body Parsing middlewareJune 08, 2016 781 statement In an HTTP request, POST PUT and PATCH three request methods containing the request body, node. JS Native HTTP module, the request body to be based on the flow of the way to receive and parse. body-parseris an HTTP request bo

What is Express.jsExpress is a simple and flexible node. JS Web application framework that provides a range of powerful features to help you create Web applications, provide rich HTTP tools, and take-out middleware from the Connect framework, creating robust, friendly APIs that are fast and easy, Express does not abstract two times the features that are already i

Node. js connects to the database Before Connecting Node. js to the database, you need to install the corresponding package. If you want to install SQL server, You Need To package node-sqlserver first. We use mysql as an example to illustrate how

" Repository Repository type and location of package "Repository": {"Type": "Git","Location": "Http://xxx.com/c.git"} Keywords Keywords that appear in NPM search "keywords": ["AAA", "BBB"] Dependencice This module relies on modules and versions that you can use * and X wildcard characters "Dependencies": {"Express": "Latest","Connect": "2.x.x","Cookies": "*"} Engies

and kill its child process.4. Log the operation of the service.This only needs to pro_a listen to the event of the child process, and write the log file in real time OK. And we can use commands to let the pro_a process of the heart view the log of a neutron process in some other pro_a process, for example:// View the log of the 1130 child processPrinciple and 3 similar, get all pro_a process information, filter out the PID of 1130 sub-process, the socket sent to get log instructions, the corres

(() => { socket.emit('random', Math.random())}, 500)socket.on('warn', count => { console.log('warning count: ' + count)})socket.on('disconnect', () => { clearInterval(interval)}) Transmission stream Socket. io can process streams Server code io.on('connection', function (socket) { let stream = ss.createStream() ss(socket).emit('script', stream) fs.createReadStream(__filename).pipe(stream)}) Client code let socket = io('http://localhost:3000') ss(socket).on('script', stream => { let buffer =

Node. js database connection Summary Author: zhanhailiang Date:1. Connect to MySQL Mysql: https://www.npmjs.org/package/mysql Instructions for use: node. js mysql package 2. Connect to Redis Redis: https://www.npmjs

Tags: style blog http io ar color OS using SP1. Connect to MySQL Mysql:https://www.npmjs.org/package/mysql Instruction for use: node. js MySQL Package usage instructions 2. Connect to Redis Redis:https://www.npmjs.org/package/redis Instruction for use: fast implementation of real-time onl

, for example,http://192.168.1.11:3000Looking at the codeLooking at the app.js file located in the Www/jxcore folder of the Express sample, the Express Server is implemented in the same as a regular node. JS application:var Express=Require(' Express ');Var app=Express(); app.Get(‘/‘,function(reqRes){Res.Send(' Hello world! (‘+ Date.Now()+")")}) ;var server = app.listen3000 function ({clog " Express server

Mongoose Library in short, a convenient package for manipulating MongoDB databases in the node environment, an object model tool similar to Orm,mongoose converts data from a database into JavaScript objects for you to use in your app.Of course, you have to install the Environment node. js and MongoDB = "MongoDB installationMongoDB is one of the most popular NoSQL

messages, and the messages may be lost. Category // The client sends the socket. emit ('hello', 'Can you hear me? ', 1, 2, 'abc'); // send the socket. broadcast. emit ('broadcast', 'Hello friends! '); // Send a message to the game chat room, which is not counted as a socket. to ('game '). emit ('Nice game', "let's play a game"); // send messages to the game1 and game2 chat rooms at the same time. It is not a socket. to ('ame1 '). to ('game2 '). emit ('Nice game', "let's play a game (too)"); //

Web AppsExpress is a minimalist, flexible Web application Development framework based on the node. JS platform that provides a range of powerful features to help you create a wide variety of web and mobile device applications.ApiRich HTTP shortcuts and any combination of Connect middleware make it fast and easy to create robust, friendly APIs.PerformanceExpress d

Node. js accesses the PostgresQL database and installs the PostgresQL module: Access usrlocallib: A node_schedules directory is found, which contains the model you installed. Node. js accesses the PostgresQL database and installs the PostgresQL module: Go to/usr/local/lib: A node_schedules directory is found, which con