nodejs建立websocket通信

依赖模块

nodejs-websocket

服务端

const ws = require(‘nodejs-websocket‘);console.log(‘开始建立连接...‘);const server = ws.createServer(function(conn) { ?conn.on(‘text‘, function(str) { ???console.log(‘收到的信息为:‘ + str); ???conn.send(str); ?}); ?conn.on(‘close‘, function(code, reason) { ???console.log(‘关闭连接‘); ?}); ?conn.on(‘error‘, function(code, reason) { ???console.log(‘异常关闭‘); ?});}).listen(8001);console.log(‘WebSocket建立完毕‘);

客户端

var ws = new WebSocket(‘ws://localhost:8001‘);ws.onopen = function() { ?console.log(‘open‘); ?ws.send(‘hello‘);};ws.onmessage = function(evt) { ?console.log(‘message:‘, evt.data)};ws.onclose = function(evt) { ?console.log(‘close‘);};