@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer {
@Override
public void registerStompEndpoints(StompEndpointRegistry stompEndpointRegistry) {
stompEndpointRegistry.addEndpoint("/endpointSang").withSockJS();
}
@Override
public void configureMessageBroker(MessageBrokerRegistry registry) {
registry.enableSimpleBroker("/topic");
}
}
public class RequestMessage {
private String name;
public String getName() {
return name;
}
}
public class ResponseMessage {
private String responseMessage;
public ResponseMessage(String responseMessage) {
this.responseMessage = responseMessage;
}
public String getResponseMessage() {
return responseMessage;
}
}
@Controller
public class WsController {
@MessageMapping("/welcome")
@SendTo("/topic/getResponse")
public ResponseMessage say(RequestMessage message) {
System.out.println(message.getName());
return new ResponseMessage("welcome," + message.getName() + " !");
}
}
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8"/>
<title>广播式WebSocket</title>
<script th:src="@{js/sockjs.min.js}"></script>
<script th:src="@{js/stomp.js}"></script>
<script th:src="@{js/jquery-3.1.1.js}"></script>
</head>
<body onload="disconnect()">
<noscript><h2 style="color: #e80b0a;">Sorry,浏览器不支持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>
<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('/endpointSang');
stompClient = Stomp.over(socket);
stompClient.connect({}, function (frame) {
setConnected(true);
console.log('Connected:' + frame);
stompClient.subscribe('/topic/getResponse', function (response) {
showResponse(JSON.parse(response.body).responseMessage);
})
});
}
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);
}
</script>
</body>
</html>
@Configuration
public class WebMvcConfig extends WebMvcConfigurerAdapter {
@Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController("/ws").setViewName("/ws");
}
}
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