[Learn-Note]Express install Guide and Use

Express install Guide and Use

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Refer to Express Guide

Getting Started

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Install express

npm install -g express

After the installation is complete you can use the npm info express version to confirm express.

Example1:

The sample was install for individual project under express

Create a project folder

$ mkdir helloworld

You will need a "package.json" file in the project folder, this file contains "project name" "description" "project version" and "project dependencies conten".

$ vim package.json
 {
  "name": "helloworld",
  "description": "helloworld",
  "version": "0.0.1",
  "private": true,
  "dependencies": {
   "express": "3.x"
  }
 }

Save package.json and starting install express from the project

$ npm install

After the installation is complete the following information will be shown

express@3.4.8 node_modules/express
├── merge-descriptors@0.0.1
├── methods@0.1.0
├── cookie-signature@1.0.1
├── range-parser@0.0.4
├── fresh@0.2.0
├── debug@0.7.4
├── buffer-crc32@0.2.1
├── cookie@0.1.0
├── mkdirp@0.3.5
├── commander@1.3.2 (keypress@0.1.0)

├── send@0.1.4 (mime@1.2.11)
└── connect@2.12.0 (uid2@0.0.3, pause@0.0.1, bytes@0.2.1,     raw-body@1.1.2, qs@0.6.6, batch@0.5.0, negotiator@0.3.0,    multiparty@2.2.0)

Example2:

The sample was install express on Global system

$ npm install -g express