在pom文件中添加坐标
<dependency>
<groupId>net.bookrain</groupId>
<artifactId>swagger2</artifactId>
<version>0.0.1</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>swagger-ui</artifactId>
<version>3.37.2</version>
</dependency>
在Spring Boot主启动类中添加注解
@EnableSwagger2