前后台可以对多个webSocket进行数据变更的传播。支持心跳
新建web目录存放前端静态文件
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>2.3.1.RELEASE</version>
</dependency>
<!--websocket连接需要使用到的包-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-websocket</artifactId>
<version>2.3.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<version>2.3.1.RELEASE</version>
<scope>test</scope>
</dependency>
静态文件打包（红字）
<build> <resources> <resource> <directory>src/main/web</directory> <targetPath>META-INF/resources</targetPath> <includes> <include>**/**</include> </includes> </resource> </resources> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build>
创建spring boot集成webSocket前后端消息发送的实现
原文：https://www.cnblogs.com/linhongwenBlog/p/13469996.html