Spring Boot (ii) websocket

Spring boot and WebSocket

1. Broadcast type

1. Use @enablewebsocketmessagebroker to turn on WebSocket support in the configuration class.

Stompendpointregistry.addendpoint ("/endpointwisely"). Withsocketjs (); Registering the node for the STOMP protocol, configuring the developed URL

Stompendpointregistry.enablesimplebroker ("/topic"); Configure the message agent and also the URL prefix of the server-side Send Message

2. In the controller

@Controller

public class wscontroller{

@MessageMapping ("/hello")//Browser request path

@SendTo ("/topic/getresponse")

Public wiselyresponse Say (Wiselymessage message) {

return new Wiselyresponse ("Hello" +message);

}

3. In the page JS

var socket = new Sockjs ('/endpointwisely '); //The node URL configured in config

Stompclient.subscribe ('/topic/getresponse ')//subscription, browser-and server, corresponding to the path of @sendto annotations in the controller

Stompclient.send ('/hello ')//Send message, server-to-browser, corresponding to the path of @messagemapping annotations in the controller

2. Point-to-point

Simpmessagingtemplate is a spring-websocket built-in message sending tool that can send messages to the specified client.

@Controller

public class wscontroller{

@Autowired

Private Simpmessagingtemplate simpmessagingtemplate;

@MessageMapping ("/point2p")//Browser request path

public void Say (String message) {

Simpmessagingtemplate.convertandsendtouser ("User receiving message", "/topic/getresponse", message);

}

}

And JS in the path Stompclient.subscribe ('/user/topic/getresponse '), more than one/user, indicating the sending of messages to the specified user.

Spring Boot (ii) websocket