springcloud 集成gateway使用websocket步骤
时间: 2023-11-16 10:04:17 浏览: 63
下面是使用 Spring Cloud Gateway 集成 WebSocket 的步骤:
1. 引入依赖:在 pom.xml 文件中添加 Spring Boot Webflux、Spring Cloud Gateway 和 Spring Boot WebSocket 的依赖。
```xml
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-gateway</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-websocket</artifactId>
</dependency>
```
2. 配置 Gateway:在 application.yml 文件中添加 Gateway 的路由规则和 WebSocket 的配置。
```yaml
spring:
cloud:
gateway:
routes:
- id: websocket_route
uri: lb://websocket-server
predicates:
- Path=/websocket/**
filters:
- RewritePath=/websocket/(?<segment>.*), /$\{segment}
server:
port: 8080
logging:
level:
org.springframework.cloud.gateway: TRACE
---
spring:
profiles: websocket
server:
port: 9090
logging:
level:
org.springframework.boot.web.reactive.socket: TRACE
```
3. 配置 WebSocket:创建一个 WebSocket 配置类来注册 WebSocketHandler 和 HandshakeHandler。
```java
@Configuration
public class WebSocketConfiguration {
@Bean
public HandlerMapping webSocketHandlerMapping(WebSocketHandler webSocketHandler) {
Map<String, WebSocketHandler> map = new HashMap<>();
map.put("/websocket", webSocketHandler);
SimpleUrlHandlerMapping handlerMapping = new SimpleUrlHandlerMapping();
handlerMapping.setOrder(1);
handlerMapping.setUrlMap(map);
return handlerMapping;
}
@Bean
public WebSocketHandlerAdapter handlerAdapter() {
return new WebSocketHandlerAdapter();
}
@Bean
public WebSocketHandler webSocketHandler() {
return new MyWebSocketHandler();
}
@Bean
public HandshakeHandler handshakeHandler() {
return new MyHandshakeHandler();
}
}
```
4. 编写 WebSocketHandler 和 HandshakeHandler:创建一个 WebSocketHandler 类,实现 WebSocketHandler 接口,并在其中实现 WebSocket 的相关逻辑。创建一个 HandshakeHandler 类,实现 HandshakeHandler 接口,并在其中实现 WebSocket 的握手逻辑。
```java
public class MyWebSocketHandler implements WebSocketHandler {
private static final Logger logger = LoggerFactory.getLogger(MyWebSocketHandler.class);
@Override
public Mono<Void> handle(WebSocketSession session) {
logger.info("WebSocket session opened: " + session.getId());
return session.send(session.receive()
.map(webSocketMessage -> "Echo: " + webSocketMessage.getPayloadAsText())
.map(session::textMessage)
);
}
}
public class MyHandshakeHandler extends DefaultHandshakeHandler {
@Override
protected Mono<ServerHttpRequest> upgrade(ServerHttpRequest request, ServerHttpResponse response, HttpHeaders headers, WebSocketHandler wsHandler) {
headers.setOrigin("*");
return super.upgrade(request, response, headers, wsHandler);
}
}
```
5. 启动应用程序:启动应用程序并访问 WebSocket 的端点。
以上就是使用 Spring Cloud Gateway 集成 WebSocket 的步骤。
相关推荐
![pdf](https://img-home.csdnimg.cn/images/20210720083512.png)
![pdf](https://img-home.csdnimg.cn/images/20210720083512.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)