websockets.html
1.26 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Test WebSockets</title>
</head>
<body>
<script>
var url = "ws://localhost:8080/swxercise/ws/api/v1/anEndpoint/4711";
var webSocket = new WebSocket(url);
// Callback-Methoden für die WebSocket-Kommunikation
webSocket.onopen = function(e) { onWebSocketOpen(e) };
webSocket.onclose = function(e) { onWebSocketClose(e) };
webSocket.onmessage = function(e) { onWebSocketMessage(e) };
webSocket.onerror = function(e) { onWebSocketError(e) };
function onWebSocketOpen(e) {
console.log("WebSocket has been opened.");
}
function onWebSocketClose(e) {
console.log("WebSocket has been closed.");
}
function onWebSocketMessage(e) {
console.log("WebSocket Message '" + e.data + "' has been received.");
}
function onWebSocketError(e) {
alert("WebSocket Error " + e + " has been thrown!");
}
function sendWebSocketMessage() {
webSocket.send('Hello World!');
console.log("Tried to send WebSocket Message.");
}
</script>
<button onclick="sendWebSocketMessage()">Klick mich.</button>
</body>
</html>