springboot websocket 客户端
时间: 2023-12-22 12:29:25 浏览: 45
以下是一个使用Spring Boot实现的WebSocket客户端的示例:
```java
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.messaging.converter.MappingJackson2MessageConverter;import org.springframework.messaging.simp.stomp.StompSessionHandler;
import org.springframework.messaging.simp.stomp.StompSessionHandlerAdapter;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.socket.client.standard.StandardWebSocketClient;import org.springframework.web.socket.messaging.WebSocketStompClient;
@SpringBootApplication
public class WebSocketClientApplication {
public static void main(String[] args) {
SpringApplication.run(WebSocketClientApplication.class, args);
}
@Bean
public WebSocketStompClient stompClient() {
WebSocketStompClient stompClient = new WebSocketStompClient(new StandardWebSocketClient());
stompClient.setMessageConverter(new MappingJackson2MessageConverter());
return stompClient;
}
@Bean
public StompSessionHandler stompSessionHandler() {
return new StompSessionHandlerAdapter() {
@Override
public void afterConnected(StompSession session, StompHeaders connectedHeaders) {
// 在连接成功后的回调中,可以订阅和发送消息
session.subscribe("/topic/messages", new StompFrameHandler() {
@Override
public Type getPayloadType(StompHeaders headers) {
return Message.class;
}
@Override
public void handleFrame(StompHeaders headers, Object payload) {
// 处理收到的消息
Message message = (Message) payload;
System.out.println("Received message: " + message.getContent());
}
});
// 发送消息
Message message = new Message("Hello, server!");
session.send("/app/sendMessage", message);
}
};
}
@Bean
public CommandLineRunner commandLineRunner(WebSocketStompClient stompClient, StompSessionHandler stompSessionHandler) {
return args -> {
// 连接到WebSocket服务器
StompSession session = stompClient.connect("ws://localhost:8080/websocket", stompSessionHandler).get();
// 在连接成功后,可以进行后续操作
};
}
}
```
请注意,上述代码中的`ws://localhost:8080/websocket`是WebSocket服务器的URL,你需要根据实际情况进行修改。