aspnetcore/samples/SocketsSample/wwwroot/hubs.html

109 lines
3.6 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<script src="js/signalr-client.js"></script>
<script>
function getParameterByName(name, url) {
if (!url) {
url = window.location.href;
}
name = name.replace(/[\[\]]/g, "\\$&");
var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
results = regex.exec(url);
if (!results) return null;
if (!results[2]) return '';
return decodeURIComponent(results[2].replace(/\+/g, " "));
}
document.addEventListener('DOMContentLoaded', () => {
var transports = getParameterByName('transport');
if (transports != null) {
transports = transports.split(',')
}
document.getElementById('head1').innerHTML = transports ? transports.join(', ') : "auto (WebSockets)";
let connection = new RpcConnection(`http://${document.location.host}/hubs`, 'formatType=json&format=text');
connection.on('Send', msg => {
addLine(msg); });
connection.connectionClosed = e => {
if (e) {
addLine('Connection closed with error: ' + e, 'red');
}
else {
addLine('Disconnected', 'green');
}
}
let isConnected = false;
let connectButton = document.getElementById('connect');
connectButton.addEventListener('click', () => {
connection.start(transports)
.then(() => {
isConnected = true;
addLine('Connected successfully', 'green');
})
.catch(err => {
addLine(err, 'red');
});
});
let disconnectButton = document.getElementById('disconnect');
disconnectButton.addEventListener('click', () => {
connection.stop();
isConnected = false;
});
document.getElementById('sendmessage').addEventListener('submit', event => {
let data = document.getElementById('data').value;
if (isConnected) {
connection.invoke('SocketsSample.Hubs.Chat.Send', data)
.then(result => {
console.log("invocation completed successfully: " + (result === null ? '(null)' : result));
if (result != null) {
addLine(result);
}
})
.catch(err => {
addLine(err, 'red');
});
}
event.preventDefault();
});
});
function addLine(line, color) {
var child = document.createElement('li');
if (color) {
child.style.color = color;
}
child.innerText = line;
document.getElementById('messages').appendChild(child);
}
</script>
</head>
<body>
<h1 id="head1"></h1>
<div>
<select id="formatType">
<option value="json">json</option>
<option value="line">line</option>
</select>
<input type="button" id="connect" value="Connect" />
<input type="button" id="disconnect" value="Disconnect" />
</div>
<form id="sendmessage">
<input type="text" id="data" />
<input type="submit" value="Send" />
</form>
<ul id="messages"></ul>
</body>
</html>