1.在Idea中安装插件lombok:
2.导入依赖的lombokjar包:
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.8</version>
<scope>provided</scope>
</dependency>
</dependencies>
3.在实体类上加注解即可: