<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Coolpy7 mqttjs client demo</title>
<script src="https://raw.githubusercontent.com/Coolpy7/mqttjs_browser_client_demo/master/lib/browserMqtt.js"></script>
</head>
<script>
// 连接选项
const options = {
connectTimeout: 5000, // 超时时间
keepalive: 60,
reconnectPeriod:2000,
// 认证信息
clientId: 'cp7-clientid-websocket',
username: 'cp7-username-websocket',
password: 'cp7-password-websocket',
}
const client = mqtt.connect('mqtt://127.0.0.1:8083', options)
client.on('connect', function () {
client.subscribe('coolpy/chatroom', function (err) {
if (!err) {
//client.publish('presence', 'Hello mqtt')
console.log("sub ok")
}
})
})
client.on('reconnect', (error) => {
console.log('正在重连:', error)
})
client.on('error', (error) => {
console.log('连接失败:', error)
})
client.on('message', function (topic, message) {
// message is Buffer
console.log(message.toString())
})
</script>
<body>
</body>
</html>
