Websocket（2）注冊攔截器

3、注冊攔截器

@Configuration
@EnableWebMvc
@EnableWebSocket
public class MyWebSocketConfig extends WebMvcConfigurerAdapter implements WebSocketConfigurer {

    @Override
    public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
        //前台 可以使用websocket環境
        registry.addHandler(myWebSocketHandler(),"/websocket").addInterceptors(new HandshakeInterceptor()).setAllowedOrigins("http://", "https://", "*");
    }
    
    // websocket 處理類
    @Bean
    public WebSocketHandler myWebSocketHandler(){
        return new MyWebSocketHandler();
    }

}