1<html> 2<head> 3 <meta charset="utf-8"/> 4 <title>WebSocket Test</title> 5 <script language="javascript" type="text/javascript"> 6 var wsUri = "ws://localhost:9090/"; 7 var output; 8 function init() { 9 output = document.getElementById("output"); 10 testWebSocket(); 11 } 12 function testWebSocket() { 13 websocket = new WebSocket(wsUri); 14 websocket.onopen = function (evt) { 15 onOpen(evt) 16 }; 17 websocket.onclose = function (evt) { 18 onClose(evt) 19 }; 20 websocket.onmessage = function (evt) { 21 onMessage(evt) 22 }; 23 websocket.onerror = function (evt) { 24 onError(evt) 25 }; 26 } 27 function onOpen(evt) { 28 writeToScreen("CONNECTED"); 29 doSend("WebSocket rocks"); 30 } 31 function onClose(evt) { 32 writeToScreen("DISCONNECTED"); 33 } 34 function onMessage(evt) { 35 writeToScreen('<span style="color: blue;">RESPONSE: ' + evt.data + '</span>'); 36 websocket.close(); 37 } 38 function onError(evt) { 39 writeToScreen('<span style="color: red;">ERROR:</span> ' + evt.data); 40 } 41 function doSend(message) { 42 writeToScreen("SENT: " + message); 43 websocket.send(message); 44 } 45 function writeToScreen(message) { 46 var pre = document.createElement("p"); 47 pre.style.wordWrap = "break-word"; 48 pre.innerHTML = message; 49 output.appendChild(pre); 50 } 51 window.addEventListener("load", init, false); </script> 52</head> 53<body> 54<h2>WebSocket Test</h2> 55 56<div id="output"></div> 57</body> 58</html>