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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