1.安装nodejs

yum install -y nodejs

2.安装npm

yum install -y npm

3.安装ws

npm install ws

4.设置环境路径

export NODE_PATH=/usr/local/node_modules

5.示例server.js

console.log("Server started");var Msg = '';var WebSocketServer = require('ws').Server    , wss = new WebSocketServer({port: 8010});    wss.on('connection', function(ws) {        ws.on('message', function(message) {        console.log('Received from client: %s', message);        ws.send('Server received from client: ' + message);    }); });

　　执行node server.js