springBoot整合webSocket

1、使用注解@ServerEndpoint注解webSocket

@ServerEndpoint("/logWebSocket")
public class LogWebSocketHandle {

    /**
     * 新的WebSocket请求开启
     */
    @OnOpen
    public void onOpen(Session session) {
    }

    @OnMessage
    public void onMessage(String message, Session session) {
         logger.info("---------------->message："+message);
    }

    /**
     * WebSocket请求关闭
     */
    @OnClose
    public void onClose() {
    }

    @OnError
    public void onError(Throwable thr) {
        thr.printStackTrace();
    }
}

2、在页面创建webSocket链接

    var webSocketUrl = "ws://192.168.2.1:8080/webSocketPro/logWebSocket";
    var websocket = new WebSocket(webSocketUrl);
    websocket.onopen = function(e) {
        //给服务器端发消息
        websocket.send('message');
    }
    websocket.onmessage = function(event) {
        // 接收服务端的消息
         var data = event.data;
    };

3、如果在tomcat下启动springBoot应用，请求webSocket访问404，需要在springBoot应用中注入webSocket配置，同时在webSocket实现类上添加@Component注解

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.server.standard.ServerEndpointExporter;

@Configuration 
public class WebSocketConfig {

     @Bean  
     public ServerEndpointExporter serverEndpointExporter (){  
          return new ServerEndpointExporter();  
     }  
}

@ServerEndpoint("/logWebSocket")
@Component
public class LogWebSocketHandle {
}

4、springBoot中webSocket依赖的jar包

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-websocket</artifactId>
    <version>1.4.1.RELEASE</version>
</dependency>