我正在尝试使用@SendToUser
回复未经身份验证的用户。
我正在使用新创建的Spring Boot应用程序,我唯一的配置是:
@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer {
@Override
public void registerStompEndpoints(StompEndpointRegistry registry) {
registry.addEndpoint("/stomp").withSockJS();
}
@Override
public void configureMessageBroker(MessageBrokerRegistry registry) {
registry.enableSimpleBroker("/topic");
registry.setApplicationDestinationPrefixes("/app");
registry.setUserDestinationPrefix("/user");
}
}
控制器代码:
@MessageMapping("/search")
@SendToUser("/search")
public String search(@Payload String xxx) {
return "TEST1234";
}
JS:
var socket = new SockJS('/webapp/stomp');
stompClient = Stomp.over(socket);
stompClient.connect({}, function(frame) {
stompClient.subscribe('/user/search', function(data){
alert(data.body);
});
});
春季输出:
DEBUG org.springframework.web.servlet.DispatcherServlet: 996 - Successfully completed request
DEBUG o.s.w.s.handler.LoggingWebSocketHandlerDecorator: 45 - New WebSocketServerSockJsSession[id=shizav88]
DEBUG o.s.m.simp.broker.SimpleBrokerMessageHandler: 158 - Processing CONNECT session=shizav88
DEBUG o.s.m.simp.user.UserDestinationMessageHandler: 187 - Translated /user/search -> [/search-usershizav88]
JS:
var name = document.getElementById('name').value;
stompClient.send("/app/search", {}, "test"));
春季输出:
DEBUG o.s.m.s.a.s.SimpAnnotationMethodMessageHandler: 348 - Searching methods to handle SEND /app/search session=shizav88
DEBUG o.s.m.s.a.s.SimpAnnotationMethodMessageHandler: 446 - Invoking de.benneq.next.search.SearchController#search[1 args]
DEBUG o.s.b.factory.support.DefaultListableBeanFactory: 247 - Returning cached instance of singleton bean 'searchController'
DEBUG o.s.m.simp.user.UserDestinationMessageHandler: 187 - Translated /user/shizav88/search -> [/search-usershizav88]
对我来说,看起来Spring将订阅映射到/search-usershizav88
。然后使用/search-usershizav88
发送响应。但我的JS客户端没有收到任何东西。
有什么问题?
答案 0 :(得分:9)
现在我开始工作,但我真的不知道为什么:
@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer {
@Override
public void registerStompEndpoints(StompEndpointRegistry registry) {
registry.addEndpoint("/stomp").withSockJS();
}
@Override
public void configureMessageBroker(MessageBrokerRegistry registry) {
registry.enableSimpleBroker("/queue", "/topic"); // <- added "/queue"
registry.setApplicationDestinationPrefixes("/app");
registry.setUserDestinationPrefix("/user");
}
}
@MessageMapping("/search")
@SendToUser // <- maps to "/user/queue/search"
public String search(@Payload String xxx) {
return "TEST1234";
}
stompClient.subscribe('/user/queue/search', function(data){
alert(data.body);
});
DEBUG org.springframework.web.servlet.DispatcherServlet: 996 - Successfully completed request
DEBUG o.s.w.s.handler.LoggingWebSocketHandlerDecorator: 45 - New WebSocketServerSockJsSession[id=fkbmnpkj]
DEBUG o.s.m.simp.broker.SimpleBrokerMessageHandler: 158 - Processing CONNECT session=fkbmnpkj
DEBUG o.s.m.simp.user.UserDestinationMessageHandler: 187 - Translated /user/queue/search -> [/queue/search-userfkbmnpkj]
DEBUG o.s.m.simp.broker.SimpleBrokerMessageHandler: 175 - Processing SUBSCRIBE /queue/search-userfkbmnpkj id=sub-0 session=fkbmnpkj
现在日志中还有一行,表示它是处理SUBSCRIBE / queue / search-userfkbmnpkj id = sub-0 session = fkbmnpkj
之前失踪了。
如果有人可以解释为什么我需要/queue
映射才能使其正常工作,那仍然会很好。
答案 1 :(得分:0)
在第一篇文章中,您订阅了“/ user / search”。 在第二个“/ user / queue / search”中。 我检查了“/ user / topic / search”,它也有效。 所以解决方案是使用有效的主题名称。没有魔法......