增加晶全app静态页面

node_modules/mqtt/examples/client/simple-subscribe.js

@@ -0,0 +1,9 @@
+'use strict'
+
+var mqtt = require('../..')
+var client = mqtt.connect()
+
+client.subscribe('presence')
+client.on('message', function (topic, message) {
+  console.log(message)
+})