uwebsocket/client.js

const fs = require('fs')
const W3CWebSocket = require('websocket').w3cwebsocket;
// 房间号/用户名
const client = new W3CWebSocket('ws://127.0.0.1:49800/123/123', 'echo-protocol');

client.onerror = function () {
    console.log('Connection Error');
};

client.onopen = function () {
    console.log('已连接');

    // function sendNumber() {
    //     if (client.readyState === client.OPEN) {
    //         var number = Math.round(Math.random() * 0xFFFFFF);
    //         client.send(number.toString());
    //         setTimeout(sendNumber, 1000);
    //     }
    // }
    // sendNumber();
};

client.onclose = function () {
    console.log('echo-protocol Client Closed');
};

client.onmessage = function (event) {
    if (typeof event.data === 'object') {
        console.log('文件', event)       
    } else {
        const obj = JSON.parse(event.data)
        console.log('数据', obj)
    }
};