第一種webSocket的WebSocketConfig.java類

import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.concurrent.ConcurrentTaskScheduler;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
import java.util.concurrent.Executors;

@Configuration
@EnableWebSocket
public class WebSocketConfig implements WebSocketConfigurer {

	@Autowired
    FlowWebSocketHandlerWs flowWebSocketHandlerWs;
    
	@Autowired
    FlowWebSocketDoorStatusWs flowWebSocketDoorStatusWs;
    
    @Autowired
    FlowWebSocketAttachmentWs flowWebSocketAttachmentWs;
    
    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        registry.addHandler(flowWebSocketHandlerWs, "/doorLog/ws")
                .addInterceptors(new WebSocketHandshakeInterceptor()).setAllowedOrigins("*");

        registry.addHandler(flowWebSocketDoorStatusWs, "/doorStatus/ws")
                .addInterceptors(new WebSocketHandshakeInterceptor()).setAllowedOrigins("*");

        registry.addHandler(flowWebSocketAttachmentWs, "/attatchment/ws")
                .addInterceptors(new WebSocketHandshakeInterceptor()).setAllowedOrigins("*");
   }
   /**不使用@ServerEndpoint這樣會造成使用定時@scheduler出現問題需要注入一個@Bean*/
   @Bean
	public TaskScheduler taskScheduler() {
    	return new ConcurrentTaskScheduler(Executors.newSingleThreadScheduledExecutor());
	}
}

第二種sockJs的WebSocketConfig.java類

import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.concurrent.ConcurrentTaskScheduler;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
import java.util.concurrent.Executors;

@Configuration
@EnableWebSocket
public class WebSocketConfig implements WebSocketConfigurer {

	@Autowired
    FlowWebSocketHandlerWs flowWebSocketHandlerWs;
    
	@Autowired
    FlowWebSocketDoorStatusWs flowWebSocketDoorStatusWs;
    
    @Autowired
    FlowWebSocketAttachmentWs flowWebSocketAttachmentWs;
    
    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        registry.addHandler(flowWebSocketHandlerWs, "/doorLog/ws")
                .addInterceptors(new WebSocketHandshakeInterceptor()).setAllowedOrigins("*").withSockJS();

        registry.addHandler(flowWebSocketDoorStatusWs, "/doorStatus/ws")
                .addInterceptors(new WebSocketHandshakeInterceptor()).setAllowedOrigins("*").withSockJS();

        registry.addHandler(flowWebSocketAttachmentWs, "/attatchment/ws")
                .addInterceptors(new WebSocketHandshakeInterceptor()).setAllowedOrigins("*").withSockJS();
   }
   /**不使用@ServerEndpoint這樣會造成使用定時@scheduler出現問題需要注入一個@Bean*/
   @Bean
	public TaskScheduler taskScheduler() {
    	return new ConcurrentTaskScheduler(Executors.newSingleThreadScheduledExecutor());
	}
}

webSocked攔截器WebSocketHandshakeInterceptor類

@Slf4j
public class WebSocketHandshakeInterceptor extends HttpSessionHandshakeInterceptor {

    /**
     * 握手前
     */
    @Override
    public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler handler, Map<String, Object> attr) throws Exception {
        String ip = request.getRemoteAddress().getHostString();
        if (ip.indexOf(".0.0.1") > -1 || ip.indexOf(":0:0:1") > -1) {
            try {
                ip = InetAddress.getLocalHost().getHostAddress();
            } catch (UnknownHostException e) {
                return false;
            }
        }
        User user = UserService.ipAndUserHashTable.get(ip);

        if (user != null) {
            return true;
        } else {
            user = UserService.ALL_ALIVE_USER_FOR_PHONE.get(ip);
            if (user != null) {
                return true;
            }
        }
        return false;
    }

    /**
     * 握手后
     */
    @Override
    public void afterHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler handler, Exception e) {
        log.info("webSocket======握手成功");
    }

}

FlowWebSocketHandlerWs類

@Component
public class FlowWebSocketHandlerWs extends TextWebSocketHandler {

    private List<WebSocketSession> sessions = new CopyOnWriteArrayList<>();

    @Override
    public void afterConnectionEstablished(WebSocketSession session) {
        sessions.add(session);
    }

    @Override
    protected void handleTextMessage(WebSocketSession session, TextMessage message) throws IOException {
        // ...
    }

}

FlowWebSocketDoorStatusWs類

@Component
public class FlowWebSocketDoorStatusWs extends TextWebSocketHandler {

    private List<WebSocketSession> sessions = new CopyOnWriteArrayList<>();

    @Override
    public void afterConnectionEstablished(WebSocketSession session) {
        sessions.add(session);
    }

    @Override
    protected void handleTextMessage(WebSocketSession session, TextMessage message) throws IOException {
        // ...
    }

}

FlowWebSocketAttachmentWs類

@Component
public class FlowWebSocketAttachmentWs extends TextWebSocketHandler {

    private List<WebSocketSession> sessions = new CopyOnWriteArrayList<>();

    @Override
    public void afterConnectionEstablished(WebSocketSession session) {
        sessions.add(session);
    }

    @Override
    protected void handleTextMessage(WebSocketSession session, TextMessage message) throws IOException {
        // ...
    }
}