@Component
@EnableWebSocket
public class MyWebSocketConfig implements WebSocketConfigurer {
 
    @Autowired
    private MyWebSocketHander myWebSocketHander;
 
    private static final String LINK_URI = "websocket.do";
    //添加websocket处理器，添加握手拦截器  拦截器先执行 然后到处理器
    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry webSocketHandlerRegistry) {
        webSocketHandlerRegistry.addHandler(myWebSocketHander,LINK_URI).addInterceptors(new MyHandShakeInterceptor());
    }
}