当JavaScript 遇上物联网（IoT）

var port = 1883

var host = productKey + '.iot-as-mqtt.cn-shanghai.aliyuncs.com'

var clientId = os.hostname();

var timestamp = (new Date()).valueOf()

var mqttClientId = clientId + "|securemode=3,signmethod=hmacsha1,timestamp=" + timestamp + "|";

var mqttUsername = deviceName + "&" + productKey

var content = 'clientId' + clientId + 'deviceName' + deviceName + 'productKey' + productKey + 'timestamp' + timestamp

// var forge = require('forge')

// var hmac = forge.hmac.create();

// hmac.start('sha1', deviceSecret);

// hmac.update(content);

// var mqttPassword = hmac.digest().toHex();

// console.log(mqttPassword)

// 今朝ruff上无法应用crypto等包，可以自行实现一个hmac sha1加密

var mqttPassword = '生成的秘文';

var puburl = "/" + productKey + "/" + deviceName + "/update"

var suburl = "/" + productKey + "/" + deviceName + "/get"

var tsl_options = {

port: port,

host: host,

rejectUnauthorized: false,

keepalive: 100,

clientId: mqttClientId,

username: mqttUsername,

password: mqttPassword

}

$.ready(function (error) {

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