Class-order

Install

• install zeromq
• install opencv4nodejs

$ cd server
$ npm install

Before open server,we need to get class.

$ cd ./server/web
$ node get_class

Open web server and zeromq

• use two process to exectue

1. first terminal open web server

$ cd server/web
$ npm install 
$ node app.js

2. second terminal open zeromq server

$ cd server/zeromq
$ node respone.js