springboot 集成ServerSocket
时间: 2023-11-09 22:08:46 浏览: 36
Spring Boot 集成 ServerSocket 可以通过以下步骤实现:
1. 在 pom.xml 文件中添加如下依赖:
```xml
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-websocket</artifactId>
</dependency>
```
2. 创建一个 ServerSocketService 类,用于处理 Socket 连接请求和消息处理:
```java
@Service
public class ServerSocketService {
private ServerSocket serverSocket;
@Autowired
private MyWebSocketHandler myWebSocketHandler;
@PostConstruct
public void init() {
try {
serverSocket = new ServerSocket(8080);
while (true) {
Socket socket = serverSocket.accept();
InputStream inputStream = socket.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
String line = reader.readLine();
myWebSocketHandler.sendMessage(line);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
```
3. 创建一个 MyWebSocketHandler 类,用于处理 Socket 连接后的消息:
```java
@Component
public class MyWebSocketHandler {
private List<WebSocketSession> sessions = new CopyOnWriteArrayList<>();
public void sendMessage(String message) {
for (WebSocketSession session : sessions) {
try {
session.sendMessage(new TextMessage(message));
} catch (IOException e) {
e.printStackTrace();
}
}
}
@OnOpen
public void onOpen(WebSocketSession session) {
sessions.add(session);
}
@OnMessage
public void onMessage(WebSocketSession session, String message) {
sendMessage(message);
}
@OnClose
public void onClose(WebSocketSession session) {
sessions.remove(session);
}
@OnError
public void onError(Throwable throwable) {
throwable.printStackTrace();
}
}
```
4. 在 Spring Boot 主类中添加 @EnableWebSocket 注解:
```java
@SpringBootApplication
@EnableWebSocket
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
```
5. 配置 WebSocket 的处理器和拦截器:
```java
@Configuration
public class WebSocketConfig implements WebSocketConfigurer {
@Autowired
private MyWebSocketHandler myWebSocketHandler;
@Override
public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
registry.addHandler(myWebSocketHandler, "/ws").addInterceptors(new WebSocketInterceptor());
}
}
```
6. 创建一个 WebSocketInterceptor 类,用于处理 WebSocket 连接的拦截逻辑:
```java
public class WebSocketInterceptor implements HandshakeInterceptor {
@Override
public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler, Map<String, Object> attributes) throws Exception {
return true;
}
@Override
public void afterHandshake(ServerHttpRequest request, ServerHttpResponse response, WebSocketHandler wsHandler, Exception exception) {
}
}
```
这样,Spring Boot 就可以集成 ServerSocket 了。当有新的 Socket 连接到服务器时,会调用 ServerSocketService 中的 init() 方法,该方法会一直等待 Socket 消息的到来,一旦有消息到来,就会将消息发送到 MyWebSocketHandler 中,MyWebSocketHandler 会将消息发送给所有已连接的 WebSocket 客户端。