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Update WebSocket-related contents. #2316

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Merged
Snailclimb merged 2 commits into from
Mar 9, 2024
Merged

Update WebSocket-related contents. #2316

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14bd566
Improve code style.
smy1999 Mar 9, 2024
0784c33
Updating the process of configuring WebSocket in Spring Boot.
smy1999 Mar 9, 2024
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18 changes: 17 additions & 1 deletion docs/system-design/web-real-time-message-push.md
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Expand Up @@ -315,7 +315,7 @@ WebSocket 的工作过程可以分为以下几个步骤：

另外，建立 WebSocket 连接之后，通过心跳机制来保持 WebSocket 连接的稳定性和活跃性。

SpringBoot 整合 Websocket，先引入 Websocket 相关的工具包，和 SSE 相比额外的开发成本。
SpringBoot 整合 WebSocket，先引入 WebSocket 相关的工具包，和 SSE 相比有额外的开发成本。

```xml
<!-- 引入websocket -->
Expand Down Expand Up @@ -374,6 +374,22 @@ public class WebSocketServer {
}
```

服务端还需要注入`ServerEndpointerExporter`，这个 Bean 就会自动注册使用了`@ServerEndpoint`注解的 WebSocket 服务器。

```java
@Configuration
public class WebSocketConfiguration {

/**
* 用于注册使用了 @ServerEndpoint 注解的 WebSocket 服务器
*/
@Bean
public ServerEndpointExporter serverEndpointExporter() {
return new ServerEndpointExporter();
}
}
```

前端初始化打开 WebSocket 连接，并监听连接状态，接收服务端数据或向服务端发送数据。

```javascript
Expand Down