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要在Spring Boot中實(shí)現(xiàn)和配置WebSocket消息通信,可以按照以下步驟進(jìn)行:
pom.xml
文件中添加Spring WebSocket依賴:<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-websocket</artifactId>
</dependency>
@Configuration
,然后繼承WebSocketMessageBrokerConfigurer
或AbstractWebSocketMessageBrokerConfigurer
類,并重寫相關(guān)方法:@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer {
@Override
public void registerStompEndpoints(StompEndpointRegistry registry) {
registry.addEndpoint("/ws").withSockJS();
}
@Override
public void configureMessageBroker(MessageBrokerRegistry registry) {
registry.enableSimpleBroker("/topic");
registry.setApplicationDestinationPrefixes("/app");
}
}
@Controller
,然后添加處理WebSocket消息的方法:@Controller
public class WebSocketController {
@MessageMapping("/hello")
@SendTo("/topic/greetings")
public Greeting greeting(HelloMessage message) throws Exception {
Thread.sleep(1000); // simulated delay
return new Greeting("Hello, " + message.getName() + "!");
}
}
public class HelloMessage {
private String name;
// getter and setter methods
}
public class Greeting {
private String content;
// constructor and getter method
}
通過以上步驟,就可以實(shí)現(xiàn)和配置WebSocket消息通信功能。在Spring Boot中使用WebSocket可以實(shí)現(xiàn)實(shí)時通信功能,例如在線聊天、實(shí)時數(shù)據(jù)展示等。
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