<html>
<head>
<title>test Ws mqtt.js</title>
</head>
<body>
<script src="https://unpkg.com/mqtt/dist/mqtt.min.js"></script>
<script>
var client = mqtt.connect('ws://localhost:8384/mqtt') // you add a ws:// url here
client.on('connect', function () {
client.subscribe('/sys/fdcServerApp/Applications.FDC.FdcServerHostApp/thing/event/OnFdcControllerStateChange/post', function (err) {
if (!err) {
client.publish('presence', 'Hello mqtt')
}
})
})
client.on('message', function (topic, message) {
// message is Buffer
console.log(message.toString())
client.end()
})
</script>
</body>
</html>