> For the complete documentation index, see [llms.txt](https://jack80342.gitbook.io/spring-boot/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jack80342.gitbook.io/spring-boot/iv.-spring-boot-features/44.-websockets.md).

# 44. WebSockets

Spring Boot为内嵌的Tomcat 8.5、Jetty 9和Undertow提供WebSockets自动配置。如果你正在将war包部署到独立容器中，Spring Boot将假设该容器会负责配置WebSocket。Spring框架提供[丰富的WebSocket支持](https://docs.spring.io/spring/docs/5.0.4.RELEASE/spring-framework-reference/web.html#websocket)，只需要添加`spring-boot-starter-websocket`模块即可。