<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1.0" />
<meta http-equiv="pragma" content="no-cache" />
<meta http-equiv="Cache-Control" content="no-cache, must-revalidate" />
<meta http-equiv="expires" content="Wed, 26 Feb 1997 08:21:57 GMT" />
<meta http-equiv="Expires" content="-1" />
<script type="text/javascript" src="signalr.min.js"></script>
</head>
<body>
<h1>接收消息：</h1>
<ul id="msg">
</ul>
<script>
var msgDom = document.getElementById("msg");
const connection = new signalR.HubConnectionBuilder()
.withUrl("http://localhost:5000/JT808MsgHub?access_token=123456")
.build();
connection.on("ReceiveMessage", (tno, message) => {
msgDom.append("<li>" + tno + "=>" + message + "</li>");
});
connection.start().catch(err => console.error(err));
</script>
</body>
</html>