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- <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>
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