websocket client in html

<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8"/>
<title>广播式WebSocket</title>
<script src="http://cdn.jsdelivr.net/sockjs/1.0.1/sockjs.min.js"></script>
<script src="https://cdn.bootcss.com/stomp.js/2.3.3/stomp.js"></script>
<script src="https://code.jquery.com/jquery-3.1.1.js"></script>
</head>
<body onload="disconnect()">
<noscript><h2 style="color: #e80b0a;">Sorry,no supporting WebSocket</h2></noscript>
<div>
<div>
<button id="connect" onclick="connect();">连接</button>
<button id="disconnect" disabled="disabled" onclick="disconnect();">断开连接</button>
</div>

<div id="conversationDiv">
<label>输入你的名字</label><input type="text" id="name"/>
<button id="sendName" onclick="sendName();">发送</button>
<p id="response"></p>
</div>

<div id="message"></div>
</div>
<script type="text/javascript">
var stompClient = null;
function setConnected(connected) {
document.getElementById("connect").disabled = connected;
document.getElementById("disconnect").disabled = !connected;
document.getElementById("conversationDiv").style.visibility = connected ? 'visible' : 'hidden';
// $("#connect").disabled = connected;
// $("#disconnect").disabled = !connected;
$("#response").html();
}
function connect() {
var socket = new SockJS('localhost:8080/endpointSang');
stompClient = Stomp.over(socket);
stompClient.connect({}, function (frame) {
setConnected(true);
console.log('Connected:' + frame);
stompClient.subscribe('/topic/getResponse', function (response) {
//showResponse(response.body);
setMessageInnerHTML(response.body)
})
});
}
function disconnect() {
if (stompClient != null) {
stompClient.disconnect();
}
setConnected(false);
console.log('Disconnected');
}
function sendName() {
var name = $('#name').val();
console.log('name:' + name);
stompClient.send("/welcome", {}, JSON.stringify({'name': name}));
}
function showResponse(message) {
$("#response").html(message);
}

//将消息显示在网页上
function setMessageInnerHTML(innerHTML) {
document.getElementById('message').innerHTML += innerHTML + '<br/>';
}
</script>
</body>
</html>
posted on 2017-10-28 17:23  白衣胜雪  阅读(212)  评论(0编辑  收藏  举报