Here’s a bare-bones example of setting up an HTML5 WebSockets chat service using ColdFusion 10/11:
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| <!--- application.cfc ---><cfcomponent> <cfset this.name = "Cf11Examples"> <cfset this.wschannels = [{name="chat"}]></cfcomponent> |
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| <!--- index.cfm ---><cfwebsocket name="webSocketObj" onMessage="messageHandler" onError="errorHandler" onOpen="openHandler" onClose="closeHandler" subscribeTo="chat"/> <doctype html><head> <title>WebSocket Example</title> <script type="text/javascript"> messageHandler = function(aEvent,aToken) { if (aEvent.data) { var txt=document.getElementById("msgArea"); txt.innerHTML += aEvent.data +"<br />"; } } openHandler = function() { alert("Connection is open"); } closeHandler= function() { alert("Connection Closed"); } errorHandler = function() { alert("Doh!"); console.log(arguments); } sendMessage = function() { var text = window.prompt("Enter some text",""); if (text) { webSocketObj.publish("chat", text); } } </script></head><body> <div id="msgArea" /> <input type="button" value="Send Message" onClick="sendMessage()"></body></html> |
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