"Node.js" Windows installation Express: ' Express ' is not an internal or external command, nor a running program or batch file. __js

Windows installation Nodejs:

Node Download address: https://nodejs.org/download/Here is the 64bit.msi version.

Custom Installation path: D:\nodejs

To set the global installation save directory:

NPM config set prefix "D:\nodejs\node_global"

NPM config set cache "D:\nodejs\node_cache\" (first built Node_cache directory)

It is then installed directly into the global directory when the dependency is installed using the NPM-G command.

Install Express:

NPM Install-g Express (the default is to install the latest version of Express)

Because the latest version of Express to the bin, so also need to install additional Express-generator

NPM install-g Express-generator

Express version number can also be specified at installation

NPM install-g express@3

or NPM install-g express@3.5.0 (3.* version does not require additional installation express-generator)

If you want to uninstall off, use

NPM uninstall-g Express Command (no version number required)

Check for success after installation:

Express-v (v is uppercase, v somewhat unrecognized)

If you appear
' Express ' isn't recognized as an internal or external command,
Operable program or batch file. Command not recognized

, the environment variables may not be configured well.

Find the directory of Express express.cmd two files in this machine or in your own global installation directory.

Because I previously the global installation directory for D:\nodejs\node_global;

So directly will D:\nodejs\node_global; Add to Path of environment variable:

Save, close the Cmd interface and reopen it:

The installation was successful.