Node. js Express Installation Guide

Node. js Express Installation Guide

I. Installation

To create a project, the system prompts that the express command is not found.

Npm install-g express-generator # install express-generator first
Npm install-g express
Express-V # verify whether the installation is successful

2. Create a project

$ Express myfirstexpress # The default template of express uses jade. If you need ejs template support, add the-e option, that is, express-e myfirstexpress
$ Cd myfirstexpress

$ Ls
App. js bin package. json public routes views # directory structure of the project

Iii. Run the project

$ Npm install # Wait for a while because you need to obtain many library files

$ Npm start

4. Access the first express Project

Enter http: // 127.0.0.1: 3000 in the browser

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I. Installation

Official http://expressjs.com/

There are some changes to express4.X, The 4.x version of the command tool separate (https://github.com/expressjs/generator), all to install the first express-generator, otherwise when creating the project, will prompt the express command not found

$ Npm install-g express-generator # install express-generator first

$ Npm install-g express

$ Express-V # verify whether the installation is successful

2. Create a project

$ Express myfirstexpress # The default template of express uses jade. If you need ejs template support, add the-e option, that is, express-e myfirstexpress
$ Cd myfirstexpress

$ Ls
App. js bin package. json public routes views # directory structure of the project

$ Express myfirstexpress # The default template of express uses jade. If you need ejs template support, add the-e option, that is, express-e myfirstexpress
$ Cd myfirstexpress

$ Ls
App. js bin package. json public routes views # directory structure of the project

Iii. Run the project

$ Npm install # Wait for a while because you need to obtain many library files

$ Npm start

> Myfirstexpress@0.0.1 start/root/myfirstexpress
> Node./bin/www

4. Access the first express Project

Enter http: // your IP address: 3000 in the browser

Display

Express

Welcome to Express

Express is successfully installed.

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