摘要： 1.引入pom文件 <!-- Apache POI for Word document generation --> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>5.2.3< 阅读全文

摘要： 1.pom文件引入 <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-websocket</artifactId> </dependency> 2.编写websocket 阅读全文